What You Need To Know About DLP HDTVs

What You Need To Know About DLP HDTVs
By Jim Johnson

HDTV is definitely the wave of the future when it comes to television viewing technology. It appears that high definition television broadcasting will start to come into it's own this year and progressively become dominant in the next couple of years. What that means for you is a much sharper image, better sound, and in turn, an improved television viewing experience.

Ever since the advent of cable and satellite TV services, the march toward entirely digital TV signal broadcasting has been taking place. Because of the limitations of the older analog TV broadcasting methods, digital signals were just not practical, but now that other methods of transmitting the TV signal are in widespread use, the switchover to the digital TV age is in high gear. And that has paved the way for high definition television standards that can make the fuzzy, unclear TV pictures of yesterday a relic of the past.

Along with the march toward better signal broadcasting, TV hardware has been steadily improving as well, and now we actually have three main competing technologies for displaying the screen image, LCD (liquid crystal display), DLP (digital light processing), and plasma TVs. They all are available in much thinner configurations than TVs of yesteryear, because the old bulky CRT monitors that have been used for so many years are on their way out. They also are capable of producing a much sharper and more colorful picture than past televisions too, and that bodes well for HDTV compatibility.

DLP TVs are the most recent technology to become commonplace in the television display field, although the technology has actually been in place for a while now. DLPs can produce an incredibly bright and high contrast screen picture that is absolutely stunning when viewed in tandem with a HDTV signal. They are also available in increasingly larger sizes and the prices are dropping rapidly as this display format becomes more commonplace. In addition, they lend themselves to a wide range of uses and can be connected to almost any digital video source that you wish to use, even your home computer.

So if you haven't seen the beauty of a HDTV signal being displayed on a DLP monitor yet, do yourself a favor and visit a local electronics retailer to see it for yourself. You will be glad that you did!

Jim Johnson is a successful author and publisher on consumer related matters. You can find out more about the best dlp tv and dlp vs lcd by visiting our HDTV website.

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Which HDTV is Right for You? Flat Screen or Projection

Which HDTV is Right for You? Flat Screen or Projection
By Will Jones

HDTV has come along way in the last couple of years. The flat screen seems to get all the hype, but projection TV has been slimmed, too.

Flat panel HDTV has had unbelievable performance gains in LCD and Plasma technology in recent years. The advantages go well beyond the space saving wall mount.

Today, HDTV flat-panels have a dependable long-life and there is no lamp replacement. Both LCD and plasma HDTVs are generally rated for 60,000 hours of enjoyment. This is the equivalent of viewing 6 hours per day for over 20 years.

HDTV flat panels now have a brighter picture to overcome the glare of daylight or room lights. LCDs are the best here because plasma screens tend to reflect room lights.

Flat panel HDTV also has a wider viewing angle and manages to maintain good color and contrast even when viewed off to the side. Plasma HDTV are a little better at this than LCD.

Projection HDTV

If you want the best money can buy, and you are not cramped for space, a projection HDTV may be the way to go.

In addition to larger screen sizes, rear-projection HDTVs offer:

A user-replacement lamp that restores your HDTV to like new picture quality, it only takes a few minutes to replace the lamp and almost anyone can do it. The average lamp life is from 5,000 to 8,000 hours. This is the equivalent of 2.5 to 3.5 years watching TV about 6 hours per day.

High quality rear-projection HDTV out performs almost all flat panel HDTV in the areas of contrast and black level performance. These big screen models are some of the best out there using these criteria.

For maximum picture quality from high-definition sources, especially HD DVD and Blu-ray, your TV needs the highest picture resolution 1920 x 1080 pixels. The top-selling 50 1080p projection models now start around $2300, so this is a little more affordable for 1080p options.

Copyright 2007 Will Jones

Will is a retired Research Food Technologist who worked over forty years with a major Fortune 500 food company in the Midwest. Product and process development of various types of foods were Wills expertise. Wills interests include reading, cooking, fishing, travel and golf.

Will is also a contributing editor for http://www.best-free-help.com a FREE Informational Website Portal that is dedicated to giving people expert knowledge of real value, to help people them decide!

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LCD Projectors for Sale

LCD Projectors for Sale
By Ken Marlborough

Do you want to continue to be at the cutting edge of technology with high-end presentation products? Do you want to keep your audience glued to you and the vibrant graphics and clear characters of your presentation? Whether you are presenting to 10 or 10,000 people, there is bound to be an LCD projector that is perfect for you. Here is a simple guide on what to look for when you want to purchase one.

Resolution

The first consideration to look for when shopping for an LCD projector is resolution. Resolution is the number of light dots (called pixels) per square inch of the image produced. The higher the number of the pixels, the clearer and tighter your image will be. Also, if your LCD projector of choice is high in resolution, the image you can broadcast can be expanded to greater degrees. If your lecture or presentation is heavy on graphics and high quality color, or if you need to present to a large crowd, then you will need an LCD projector with high resolution.

Brightness

Since the image your LCD projector will broadcast is projected with a high-powered light bulb, you will also want to consider how bright a projection you will need. Again, the brighter the image you project, the farther away it can be seen. This is an important consideration for people thinking of presenting to large and small groups.

Price and other considerations

These projectors do not come cheap, so price is a major consideration. If your company is small, a desktop projector with resolution the size of your typical computer monitor should suffice. Also, be sure to check on compatibility issues. Is the projector you want compatible with your hardware? If it is not, you may wind up with a very expensive lamp. Finally, ask about user support. Does it come with a warranty? If it does, how long is the coverage? Is there a technical support hotline you can call if you have trouble with your projector? All these things will factor into getting an LCD projector that suits your needs.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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Home Theater Front Projectors

Home Theater Front Projectors
By Jason Gluckman

The supreme home theater experience has been made possible with the help of home theater front projectors. Front projectors reproduce the experience that one undergoes while watching a movie in a theater. However, the viewing experience is more intense and personal. Front-projection home theaters offer images that are full of cinematic details and color on a larger-than-life screen that transforms viewing into a rare and novel experience.

A front-projection home theater is a system that basically consists of the projector and the screen. In the past home theater front projectors were costly and could be installed only with the help of professionals. There were heavy CRT-based units that were difficult to handle and maintain. But modern projectors incorporate LCD or DLP technology, making the projectors compressed and not too heavy to carry. Front projectors are more reasonably priced than the CRT projectors of yesteryears.

The latest types of front projectors are known for their ability to create big, beautiful images, which is their primary function. As the image is projected onto a discrete screen, the entire system within a projector's compact case is devoted to producing the picture. A projector has fewer parts than a TV, and all parts are of premier quality. A high-resolution imager (DLP chip or LCD panels), an ultra-high-intensity lamp, superb scaling and de-interlacing circuitry, superior-grade optics, and an extensive variety of video inputs can generally be found in a projector, but a projector is devoid of a built-in screen, or an awkward cabinet, or stereo speakers. No built-in TV tuner of any sort is present in a front projector, but it still exhibits signals from an HDTV tuner, satellite receiver, cable box, or the VCR's TV tuner.

Home Theater Projectors provides detailed information on Home Theater Video Projectors, Home Theater LCD Projectors, Home Theater Projector Packages, Home Theater Front Projectors and more. Home Theater Projectors is affiliated with Curtains For Home Theater Screens.

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LCD Video Projectors

LCD Video Projectors
By Ken Marlborough

Below are some of the best and most widely-used LCD Video Projectors below $2,000 (except for the Panasonic product, which is a little above $2,000) available on the market.

Epson PowerLite 81p LCD Video Projector XGA features a 5-watt audio system; high-aperture LCD with 2,000 ANSI lumens with 1,024 x 768 XGA resolution to deliver accurate color, color saturation, and image quality; four input connections; and automatic source selection, setup and operation. It also supports USB connectivity; NTSC, PAL, SECAM, and HDTV signals.

Hitachi CPX275 Video to XGA LCD Projector can project various computer signals as well as NTSC/PAL/SECAM video signals and is specifically designed for mobile professionals and budget-conscious consumers. It features 1200 ANSI lumens with 1,024 x 768 XGA max resolution, UHB lamp, and magnifying for closer viewing.

NEC VT670 Value LCD Video Projector enables you to use a variety of inputs, including video and HDTV. The projector is designed with NEC VTs Vortex and Image Processing Technology. It also features 2,100 ANSI lumens of brightness, 1,024 x 768 resolution, and Simple color-coded connections for all sources.

Panasonic PT-LB10U Video Projector is a super-slim projector from Panasonics family of ultra-compact XGA micro-portable LCD projectors, offering an XGA resolution of 1,024 x 768, 2000 ANSI lumens brightness and Digital Keystone Correction. It can display 480p, 480i and 625i component video and S-Video signals in either 4:3 or 16:9 widescreen aspect ratios.

Sony VPL-CX1 Superlite LCD Video Projector is the smallest and lightest projector from Sony, featuring a mechanical cooling structure; internal scan converter to display 1024 x 768 resolutions such as VGA, XGA, and SXGA (in addition to its native SVGA resolution); USB hub port for enhanced digital connectivity; and 550 ANSI lumens brightness.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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HDTV Projectors

HDTV Projectors
By Ken Marlborough

HDTV, also known as High Definition Television, is the future of the DTV transition. This transmits pictures with high resolution, which is twice higher than the analog TV or DVDs. HDTV projector is a specialized device for displaying the HDTV.

Today, HDTV projectors are used in various areas. This includes entertainment, business presentations, seminars, and also for public display. HDTV projector can be an addition to your home theater system as the HDTV projector is equipped to receive the HDTV.

Basically, HDTV projectors come in three different forms; DLP (stands for digital light processing) HDTV projector, LCD (liquid crystal display) HDTV projector, and LCOS (liquid crystal on silicon) HDTV projector. Among the three types, the LCOS is the latest trend in HDTV display. The cost of a HDTV projector will fluctuate based on the type. On an average, a DLP HDTV projector will cost $2,000 and more. While an LCD HDTV projector will cost less than $2,000 and an LCOS HDTV projector will approximately cost $5,000 and more.

To meet the varying needs, HDTV projectors come in a wide variety of sizes, weights, and technical features. HDTV projectors can be availed with a contrast ratio ranging from 1500:1 to 8000:1. Commonly, HDTV comes in two formats; 1080i and 720p (where i stands for interlaced, and p stands for progressive.) But, the advanced HDTV projectors come with 1920x1080 internal resolutions. Thus, this type of projectors can display 1080i with maximum clarity and it will cost $20,000 and more. Mostly, the HDTV projectors are compact in size and are very easy to operate.

Different brands of HDTV projectors are available in the market today. Some of the top brands are Sony, Mitsubishi, Dukane, Sharp, and Panasonic. Mostly, all the types and brands of the HDTV projectors are complemented with different warranty periods, A/V cables, remote control, and more. Depending on the availability, the HDTV projectors can be availed from dealers, local outlets, or online stores.

While purchasing a HDTV projector, it is always recommended to check the projector?s compatibility with other systems in the house like VCRs, DVD players, surrounding sound components and standard TV systems. If this is done, the HDTV projector will display pictures with high resolution, thus giving you a cinematic ambience and feel.

HDTV provides detailed information on HDTV, Plasma HDTV, HDTV Antennas, HDTV Reviews and more. HDTV is affiliated with Home Theater Projectors.

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Used LCD Projectors

Used LCD Projectors
By Ken Marlborough

Apart from the usual used LCD projectors, those which have been used from some considerable amount of time by someone and are now for sale, there are some other categories of used LCD Projectors.

One of these categories is called demo projectors - projectors that have been used sparingly in-house for customer demonstrations. The majority of demo projectors generally have 90% or more of the original lamp life remaining at the time of resale. Demo models that are still in production ship with a full manufacturer's warranty. The length of warranty varies on demo models that are no longer in production.

Another category is refurbished projectors - projectors are most often the source of best projector deals. These projectors have been returned to an authorized factory service center and restored to meet manufacturer's original quality standards. Refurbished projectors feature new lamps, yet the warranty varies by manufacturer.

Yet another category is bargain buys - projectors that are new, factory-sealed units and are priced less than US $1500. These projectors are typically SVGA resolution, are portable, and feature an adequate amount of brightness for most any environment. Because of their budget price, the length of warranty on these projectors varies.

There are several Web sites that sell used LCD Projectors over the Internet. However, when buying over the Internet, one should not only look at the security of the mode of payment, but also about the vendor who is selling the product on the Web site. Generally, some people who have bought a product from a vendor leave a comment about the quality of service and product sold by the vendor; these comments are often very helpful in eliminating the vendors with a poor track record.

Finding a used LCD Projector is not difficult, what is though, is narrowing down to decide on a projector that meets the requirements, comes from a vendor who can be relied upon, and is at available at the best price among all the Web sites on the Internet that sell used LCD projectors.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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DLP Projectors

DLP Projectors
By Elizabeth Morgan

Some of the indispensable parts of a projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and a rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and the quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has allowed the common man to enjoy the experience of a big theater hall in his living room.

DLP, or Digital Light Processing, is a technology implemented in todays projectors and projection televisions. In DLP projectors, the image is created by microscopically small mirrors. These minute pieces are then put in a matrix on a semiconductor chip. This chip is called DMD (Digital Micromirror Device). These mirrors are treated as pixels. The number of those minutely small mirrors exactly corresponds with the resolution of the project image.

There are single-chip projectors and three-chip projectors. A single-chip projector has a single DMD, and a single color wheel produces all the colors. The color wheel is divided into four sectors of basic primary colors. They are red, green, and blue, and an additional clear section to boost brightness. A three-chip DLP projector uses a prism to split light from the lamp. Then the basic colors are routed to their own DMD chip. Then these colors are passed through the lens, where they are combined together.

Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.

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Digital Projector Guide Some Tips for Digital Projectors

Digital Projector Guide- Some Tips for Digital Projectors
By Sardool Sikandar

Digital projectors are equipments of modern technology. These are used to convert image data directly from the computer onto a screen via lens system. Digital projectors provide visualization of data that is actually stored in a computer for presentation. These projectors enable the viewers to watch moving images from a DVD, digital versatile disc player. Advertisers or sellers also use these projectors to give demonstration of products to a large number of customers. It can easily convert written documents onto an interactive whiteboard.

Digital projectors play an important role in the formation of home theater systems. These projectors use resolution of SVGA standard i.e. 800600 pixels in expensive devices. Cost of digital projector is determined by its resolution as well as its brightness. If youre going to use it in large rooms or big conference halls its brightness should be from 1,000 to 4,000 ANSI lumens.

First digital projectors, Eidophor projectors were introduced in 1950. Eidopher projectors used an oily surface in a rotating disk with light shining through it and employed an electron beam to disrupt oil in a specific manner. Eidophor projectors were not able to produce colors. Nowadays there are several high quality models of digital projectors are available in market so Eidopher projectors are less common.

Following four technologies are used in digital projectors:

High intensity CRT
LCD projectors using LCD light gates
Texas Instruments' DLP technology
Eidophor oil-film projectors (obsolete)

At present LCD projectors use Texas Instruments DLP technology whereas the high intensity CRT devices are suitable for enduring installations. Entire working of cathode ray tube digital projectors is like CRT television set. These projectors may be configured with one RGB color tube that has three colors red, green and blue with a single lens, one black & white tube with a rotating color wheel or three RGB color tubes with three lenses. Projectors having cathode ray tubes are usually bulky thats why these are the best projectors for fixed installations.

LCD digital projectors are portable and lighter enough in comparison to CRT and can be easily shifted from one place to another. These are very much popular and available in various shapes and sizes. CRT and LCD digital projectors come under the category of transitive projectors.

Reflective projectors are the superior digital projectors that provide high quality images. These are affordable and offer next level of entertainment. Everyone can enjoy home theater applications with the help of digital projectors.

About Author: The Author owns a website on Digital Projectors. The website offers advice on how to buy cheap digital projectors. It is the best source to get latest information about digital projectors. You can visit his site about multi media projectors.

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Home Theater Video Projectors

Home Theater Video Projectors
By Jason Gluckman

A home theater enables us to view films in the comfortable ambience of our homes. The unique ambience of movie halls can be recreated completely, minus the crowds, and favorite movies can be watched with friends and relatives in comfort. Home theater video projectors are the main component around which the home theater system runs.

At present, there are three kinds of video projector technology in use. They are CRT, LCD, and DLP. Apart from these, there are certain modifications also available based on the technology used for the above three.

During the early years of video projectors, television expertise was centered on Cathode Ray Tube technology, or CRT. Cathode ray tubes are used for the generation of a television image. Three small CRTs with a single unit meant for every principal color, and a light-magnifying lens, helps in the projection of a color representation against a big screen in a dimly lit room. A CRT projector is capable of creating superior high-resolution images. This can be achieved with the help of the right combination of video processing circuitry, CRT size, and lens combination.

The second sort of video projector is the LCD projector, or Liquid Crystal Display. This is different from a CRT projector in the sense that it is not based on the conventional projection tube. An LCD projector primarily operates by delivering a strong light source through a transparent LCD chip comprising of individual pixels, which exhibits the moving video image. This image is subsequently projected through a lens to a big screen.

The rapid developing sort of video projector with respect to sales is the DLP, or Digital Light Processing projector. This type of projector is very similar to the LCD as in this also the real image is exhibited on a chip.

Home Theater Projectors provides detailed information on Home Theater Video Projectors, Home Theater LCD Projectors, Home Theater Projector Packages, Home Theater Front Projectors and more. Home Theater Projectors is affiliated with Curtains For Home Theater Screens.

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Video Projectors

Video Projectors
By Elizabeth Morgan

Some of the various indispensable parts of a video projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and a rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and the quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has allowed the common man to enjoy the experience of a big theater hall in his living room.

Video projectors have become very common throughout the world. One can have all the excitement and enjoyment of a big movie blockbuster at home. They are also used in schools and colleges where it is necessary to show videos and films on a regular basis to a large number of people.

It is always advisable to the users of video projectors or projection televisions to pay attention to the scaler. One can use a number of processors, scalers or switches to optimize the video sources to best match the native resolution of your video projector, flat panel, or LCD/DLP-based rear projection television. Video projectors have some kind of capability for scaling. Making use of or implementing an outboard processor or a scaler can raise the performance level to a much higher level for both video display and source components.

Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.

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Digital LCD Projectors

Digital LCD Projectors
By Ken Marlborough

Digital projectors are the modern replacements for the rather traditional transparency projectors. Transparency projectors worked by shining light through a semi-transparent material. Digital projectors, by contrast, project a digital image directly from a computer through a lens on to a screen.

LCD (Liquid Crystal Display) digital projectors are much lighter and more portable than their CRT (Cathode Ray Tube) versions, making them widely popular. With the advent of new LCD technologies, digital projectors have been developed which have very clear and crisp fidelity even at large projection sizes. The LCDs used in digital projectors are approximately the size of a small color slide, and in fact the projectors operate very much like a traditional slide projector. The main difference is that the slide is constantly changing.

A Digital LCD projector has its light source contained within its base. It projects light upwards through the transparent image (which sits on a glass stage) to a lens on the top (head) of the unit and out onto the projection screen. In other words, the light shines through the image to project it. These projectors work well with printed film transparencies or an LCD panel computer display and provide bright, sharp images.

Slightly higher end Digital LCD Projectors can be used for Cinema/exhibition, Post-production, On-screen advertising, Digital film mastering, Multi-media theatrical productions or other large entertainment venues. Most of the recent Digital LCD projectors can be installed with existing film projectors and also provide an interface for theatre automation equipment.

The future of digital projectors is exciting, with new technologies constantly being developed. As more and more theatres switch to digital projection, consumers cannot help but reap the benefits. As these technologies become more affordable they will inevitably find their way into home systems and allow each of us to experience the joy of a full theatre projection in our own home.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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Consumer Electronic Information: The Basics of the DLP Projector

Consumer Electronic Information: The Basics of the DLP Projector
By Simon Canfield

Projectors have come a long way in the past few decades. The desktop fossils that were once used to show home moviesor classroom filmstrips are a thing of the past. With todays technology, you can now experience a projected movie that emulates a full-blown theater flick, without thetime, effort and hassle of standing in line at the local cinema.

DLP projectors also known as Digital Light Processing projectors have brought the proverbial silver screen to the home front. The fact that some theaters actually use this type of technology for feature movie projection makes this truer than you might imagine. After being digitally converted and placed on an optical disk much in the same way as DVD technology is produced the images are fed intothe projector and sent to the movie screen. The main difference is that DLP projectors offer a high definition experience, as opposed to that of a DVD. The result is a picture that very nearly rivals the quality of a 70mm projection, but without the imperfections.

The color accuracy of the DLP system is outstanding, with an end result that beats LCD technology. Some of the advantages that make a DLP the projector of choice are its low power consumption, compactness, micro-mirror construction (which is responsible for the high level screen resolution), high contrast and brightness. All in all, this is the closest that anyone can come to having a bona fide cinema within the confines of their home.

With every set of pros, youll always find some cons lurking in the shadows. Such is the case with the DLP projector. For those who are particularly sensitive to certain visual effects, the DLP design produces a type of rainbow effect, which could serve as a distraction when looking from one side of the screen to the other during viewing. This will play out as a brief splash of colors, which is simply a result of the type of technology thats used in the production of the DLP. Most people dont even notice this color display, but those who are in tune to that sort of thing may see it as an annoyance.

While this is also true for LCD projectors, consumers mightbe disappointed to know that DLP projectors need to have their light source changed after every 1,000 to 2,000 viewing hours. All in all, though, this is nothing new and, when you consider the higher quality that this type ofsystem offers, it shouldnt be seen as much of an inconvenience at all.

Perhaps the most inhibitive aspect to the acquisition of a home theater system, such as the DLP, is that the cost willtypically fall within the range of $5,000 to $10,000 for the mid-range systems, once you purchase everything that youll need in order to complete the set-up. In addition to that, youll have to consider the cost of the rest of your home theater system, since these figures only factor in the DLP expenses.

For those who can afford to do so, the DLP projector is an excellent investment, despite its few downfalls. While no projection system is perfect, DLP is currently the most popular set-up on the market and provides a powerful theater experience for those who arent inhibited by space or finances.

(c) 2005 Simon Canfield - All Rights Reserved

Simon Canfield is a hi-tech enthusiast and freelance author.

AllAboutHeadPhones.comBigScreenTVsecrets.com

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Video Projectors Advice On Choosing The Right Model For Home Or Business

Video Projectors - Advice On Choosing The Right Model For Home Or Business
By Steve Jones

As video projectors become more affordable then more people are using them both at work and at home. You might be thinking that projectors are all alike and the more you spend the better it will be. Well this is not strictly true. The more expensive projectors will be of a higher standard, but you might not experience any benefit if you do not choose the correct model. This is why we have written this article to try and guide you and help you choose the model most suited to you.

Before any purchase it is important to have a think about what you will be using it for and in what kind of environment. The business user will have very different requirements to someone wanting to set up a home cinema. Companies are now marketing hybrid projectors that claim to be able to be used for both home cinema and business. These two environments are very different though and will need projectors designed specifically to be able to handle these two very different uses. As you read the rest of the article you will begin to understand what you need to look out for when purchasing your video projector.

LCD or DLP

Both are excellent formats and which you choose will depend on your use. The business user will be more suited to an LCD projector due to the increased brightness. The home user on the other hand would be better to opt for a DLP projector as these will give a more cinematic experience.

Brightness

Think about the level of ambient light in the room where you will be using your projector. In the home cinema you will hopefully have control of the level of light so this will not be an issue. If you are using a room at home that has ambient light then you will need to opt for a brighter projector. In the business arena you are likely to be presenting in very bright rooms with standard office lighting and windows. A good projector for business use will need to have a high brightness level.

Brightness is measured in ANSI lumens. For home cinema you should be looking at projectors that have around 700 ANSI lumens brightness and for business projectors you will need between 1000 and 1500.

Color

The color, gray-scale performance, and video playback, are only really important to the home user as they will give more natural and detailed videos.

Contrast

There is no point spending money on a high contrast video projector for business use or use in a room at home that has significant ambient light as your eyes will not notice the benefit. If you have a dedicated cinema room at home then it will be worth looking at projectors with contrast ratios of 400:1 or higher. If you are looking for a projector for business use then there is no point by one with a ratio of higher than 400:1

Portability

This will probably only be an issue for a business user. If you travel around a lot and take your projector with you then the more compact and light the better. It is possible to buy extremely light projectors.

The home user may not be concerned too much with size and weight, but it is worth considering how you will set your projector up at home. Will it be fixed to the ceiling or on a stand? If you have it on the ceiling you should look for a projector which comes with a remote control as this will make adjusting settings a lot easier.

We hope that this look at the differences with video projectors will help you make your decision.

Find more articles by Steve Jones at http://www.a1-lcdprojectors.com.

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Compare LCD Projectors

Compare LCD Projectors
By Ken Marlborough

LCD (Liquid Crystal Display) projectors are devices used for displaying presentations or videos in an enlarged size. They are the modern replacements for slide projectors and overhead projects which were popular earlier.

LCD projectors are available in several variants with differing specifications. Choosing the right projector is as simple as knowing what it will be used for. The two parameters needed to compare an LCD projector are - cost and specifications. Knowing what is needed and how much you will need to use the various features / specifications of an LCD projector are going to be will help one compare the projectors with a better perspective. For this reason, it is important to know the basics of projectors before comparing them.

Aspect Ratio: It refers to the width vs. the height of the projected image. UXGA, VGA, XGA, and SVGA resolution all have a 4:3 aspect ratio.

Brightness: A projector's brightness is measured in lumens. The more light in the room where the projector will be used, the more bright the projector should be.

Contrast Ratio: Is the ratio between the darkest and brightest areas of the projected image. Medium Contrast ratio projectors can be found with a ratio of 500:1 to 1200:1.

Data Signal Ports: These ports on the projector should be compatible with whatever image source they will be paired with.

Keystone Correction: This is the ability to correct the image distortion that is created when a projector is placed at anything other than a 90 degree angle to the screen.

Native resolution: This resolution for a digital projector is the actual number of physical pixels on the projector's image chip.

Projection screens: These screens come in various fabrics and sizes. While it's possible to project the images on a blank wall, the best image quality will be achieved by projecting the images on a good screen.

Video Format Capability: A digital projector's video format capability determines which video format data it can accept. Most projectors will offer all three: PAL, NTSC, and SECAM.

A wide range of desired projectors can be found by giving exact specifications on various website over the internet. Once these basic features of projectors are compared and the best suited LCD projector identified, one can go ahead and compare the prices of the required projector.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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Home Theater Projectors

Home Theater Projectors
By Peter Emerson

Some people who set up home theater systems prefer to use projectors rather than the traditional television sets because projectors typically produce higher quality pictures. A projector also appeals to some people due to the fact that it can offer a more authentic movie-viewing experience with its large projection.

Disadvantages of Projectors

Most light-projection theater systems produce a big picture that is not suitable for smaller rooms. These products are also not good in rooms with bright, ambient lighting. Since these projectors produce the picture by emitting the picture on a screen using light, any other light source can interfere with the projection.

If you intend to use projectors in your home theater system, you will need to have a dedicated room for theater purposes. It requires you to have a room capable of being in complete darkness, as well as having enough room for a large screen for your projector to project the picture.

Cost

The cost of the average projector is comparable to a high-quality, big-screen, HDTV-capable television. The higher quality projectors can end up costing more than the television set themselves.

The least expensive projectors can cost as much as $3,000. These products will have lower resolution than the more expensive ones. It is not be better to purchase a large-screen, HDTV-capable television rather than a $3,000 projector.

The good, quality projectors begin at $5,000 and can go as high as $12,000 or more. These are the products with very good resolution, which will give you the proper home theater experience.

If you are in the market to purchase a theater projector and are only looking to buy an average system, expect to spend up to $7,000 for the projector. You should then modify the room to allow for complete darkness.

Home Theaters provides detailed information on Home Theaters, Home Theater Systems, Home Theater Projectors, Home Theater Speakers and more. Home Theaters is affiliated with HDTV Antennas.

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Buyers Guide to Home Theater Projectors

Buyers Guide to Home Theater Projectors
By Warren Thompson

Over the years, I have grown really attached to my home theater system. I must say, of all the rooms in the house, my own little movie theater is the one I could not live without. I am absolutely in love with my home theater system and, if you are anything like me, I am sure you will love yours too. I found, when I was initially building my system, that there was so much information to absorb. Every product out there seemed better than the next, and I found myself unsure about which to buy. Here are a few things to keep in mind when shopping for a new home theater projector.

There are two main types of projectors on the market; DLP and LCD. DLP stands for digital light processing. It was invented by Texas Instruments, and utilizes a microscopic array of over 2 million mirrors. DLP has a higher contrast than LCD, but there are some unfavorable consumer reports that note something called the ainbow effect. The ainbow effect is noticeable when looking from one side of the screen to the other, and is characterized by a sudden burst of color.

LCD stands for liquid crystal display. These projectors have three distinct glass LCD panels inside; one for each component of the video signal (red, green, and blue). While DLP chips reflect light, the LCD panels allow light to pass through them. LCD projectors produce brighter images, and they are known for having excellent color saturation. In the end, you will be hard-pressed to notice a great difference between the two types of projection systems.

When shopping for a new projector, keep your particular needs in the forefront of your thoughts. As I mentioned above, it is really easy to lose yourself in the minutiae of each particular system. Connectivity is a definitely something to be mindful of. Make sure that you are able to connect all of your components, including your gaming system. Nothing beats playing Halo in real-life size! Contract ratio is another important factor; the higher the ratio, the better the picture will be.

The brightness of your projector is another thing to consider. Light output is measured in ANSI (American National Standards Institute) lumens. You will want to avoid a projector that produces anything shy of 1000 lumens. As you are likely aware, the projection resolution is extremely important. This refers to the number of pixels that can be displayed on the screen. Go for something that is no less than 1024x768, as this will allow you to fully appreciate the depth and quality of HDTV. In the end, you should buy the projector that is in line with your needs and your budget. Soprano's is coming on right now! Time to go!

Warren Thompson is like a kid in a candy store, when it comes to home theater products. When he can drag himself away from his miniature movie theater, he writes for hometheaterfocus.com an excellent resource for information about soundproofing, digital video recorders, wiring diagrams and more.

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Tips on Comparing Prices on Projectors

Tips on Comparing Prices on Projectors
By Jim Gelder

Buying a projector is an investment that you want to be sure you make wisely. So taking the time to do some comparison shopping when it comes to prices is simply a smart thing to do and something you certainly wont regret.

There are several ways you can go about comparing prices on projectors. The first is to visit electronics stores and office supply stores that sell projectors and check out their prices in the stores. This is an especially good method during sales. Its also a great way to get a good deal locally because many stores will offer to beat their competitors best price by a certain percentage, which can save you even more money.

You can also research and compare prices on projectors online. Doing your projector price comparison shopping online makes it possible for you to check out a much larger number of prices on projectors than you can do by going from store to store. This will also make it possible for you to check out the prices on a wider number of brand name projectors and even look into the prices of used projectors. Online auction sites such as eBay are great places to compare prices on used projectors.

Consumer report magazines are also a good resource for comparing prices on various projectors. These reports have the advantage of also rating the projectors, so you can compare quality as well as prices on projectors.

This is an important part of comparing prices on anything, whether its projectors or cars. You want to get the most value for your money, and that means that many times a medium priced item is actually a better value than a higher priced one because it has more features than a stripped down top brand name one has.

Also, even before you start comparing prices on projectors, its a good idea to have a budget in mind for what youre willing to spend for your projector. This will help you focus your price comparison, although you dont want to rule out looking into projectors that may cost more than youve budgeted for because you may run into an unexpected bargain as you do your research.

And if the thought of doing all the research needed to compare prices on projectors sounds like work to you, remember that at least half the fun of making any purchase is in the search! Make a game of it and see just how great a projector you can find for the least amount of money, thanks to your savvy comparison shopping. Then take those savings and splurge on something just for you!

Jim Gelder is a contributing writer for projectorian.com a website dedicated to offering information about projectors and projector rentals and also features a listing of local companies that offer LCD projector rentals, New York projector rentals and more.

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Auditorium LCD Projectors

Auditorium LCD Projectors
By Ken Marlborough

Auditorium LCD Projectors are generally up to 40kg in weight, with 3,000 lumens (a measure of brightness) and above, have SVGA (brightness range from 1700 - 2000 lumens) or XGA (brightness range from 2000 - 3000 lumens, are more expensive than SVGA) native resolution. Auditorium projectors are mostly LCD projectors and usually come with a ceiling or rear mount facility. They usually have motorized zoom lens, are generally operated via remote control and offer multiple input and output ports for both PC and video. Auditorium LCD Projectors generally require external speakers and are targeted at spacious venues like theaters, auditoriums and convention halls.

In other words, auditorium LCD projectors are heavy duty, and super bright, allowing them to provide the added illumination for very large applications. These projectors deliver high brightness that can be used in a wide range of places. They generally come with a lens shift function and a wide range of optional, interchangeable lenses also contributes to installation ease. These LCD Projectors have a variety of functions for high picture quality and network compatibility is also included. Providing realistic colors, sharp contrast, and super bright images, they enable presentations with persuasive impact in a variety of situations.

Some factors which help in choosing a better Auditorium LCD Projector are: Lumens, Resolution, Lens Power, Keystone Correction, Scanning Frequency, Contrast, Lens Throw Ratio, Aspect Ratio, Image Offset Range, Computer Compatibility, Video Compatibility, Image and Mouse control, Projection Modes, Color Reproduction and Lamp Life.

These projectors generally have a specially designed auto focus lens, which allows for quick and easy switching between multiple screens with minimal user adjustments. Their automatic color correction feature provides true color reproduction even when projecting onto colored or textured walls for a perfect presentation anywhere. Some of them have a 3-D Reform technology, which lets one set up the projector virtually anywhere in the room and still get an aligned image.

While choosing the right LCD projector for an auditorium, the dimensions of the auditorium, the ambient light conditions and the distance where the projector will be placed from the screen should considered and projectors whose specifications exceed the requirements should be considered.

LCD Projectors provides detailed information on LCD Projectors, LCD Projector Rentals, LCD Projector Lamps, LCD Video Projectors and more. LCD Projectors is affiliated with Cheap LCD TVs.

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An Introduction To Projectors

An Introduction To Projectors
By Elizabeth Morgan

A projector is an apparatus for presenting an enlarged image on a screen from a transparency such as a photographic slide or a film. In a motion picture projector, each frame is held stationary at an illuminated aperture for a brief period, and then advanced by an intermittent sprocket or reciprocating claw, the light being cut off by a rotating shutter during the movement. The soundtrack on the film is reproduced at a separate sound head where the film is moved continuously at a constant speed.

An average projector usually has a picture resolution of 800 x 600 pixels. Most of the projectors weigh four to six pounds and come with a carrying case. All of the projectors have varied brightness and contrast levels usually the brightness varies from 1300 lumens to 1500 lumens. A projector with a brightness of 1400 lumens proves to be a good choice for small to medium-sized, well-lit rooms.

Some of the indispensable parts of a projector are the feed spool, xenon arc lamp, projection lens, optical sound head, take up spool, an aperture, normal lens and rotating shutter. But with the advancement of science, new technologies have come into play. The projectors have become much more advanced in terms of clarity of picture and quality of the pixels. Also, the projectors have found use in everyday households, as new versions of domestic projectors have arrived on the market. The abundance of LCD projectors, DLP projectors and video projectors has enabled the common man to enjoy the experience of a big theater hall in his living room.

Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.

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An Introduction To LCD Projectors

An Introduction To LCD Projectors
By Elizabeth Morgan

A projector is an apparatus for presenting an enlarged image on a screen from a transparency such as a photographic slide or a film. In a motion picture projector, each frame is held stationary at an illuminated aperture for a brief period, and then advanced by an intermittent sprocket or reciprocating claw, the light being cut off by a rotating shutter during the movement. The sound track on the film is reproduced at a separate sound head where the film is moved continuously at a constant speed.

LCD projectors come with the capacity to deliver high-definition pictures with high pixel density. Most of the LCD projectors are compact and lightweight; most of the advanced LCD projectors even use two-inch poly silicon panels. These panels (an advanced LCD projector might have TFT panels) help to produce high-quality images with a high-definition quality of about 1,000 scanning lines.

Most of the ordinary and average LCD screens have a screen ratio of 4:3. However, in some cases, an LCD might also have a screen ratio of 16:9. Images are projected on to a super-large screen. Some of the salient features of a compact, lightweight LCD projector are:

1. The utilization of three high-definition two-inch poly silicon TFT LCD

panels are key elements in the production of the three RGB basic colors.

2. Images of high ratio contrast are produced. Usually the image contrast is 400:1.

3. A good LCD projector adds to the normal brightness by about 40% over most other conventional and ordinary LCD video projectors. These LCD projectors use a high-transparency LCD panel for the above purpose.

For example, one of the recent high-quality LCD projectors is the Fujitsu LPF-D711 high-definition LCD projector for home theater.

Projectors provides detailed information on Projectors, LCD Projectors, DLP Projectors, Video Projectors and more. Projectors is affiliated with DVD Projector Rentals.

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A Short Guide to Video Projectors: Business vs Home Theater Projectors

A Short Guide to Video Projectors: Business vs Home Theater Projectors
By Andrew Ghigo

Today's multimedia video projectors represent a versatile, practical, and affordable tool that can serve different purposes both in the business as well as in the home entertainment arena.

The fall in price and the developments in video projection technology we have experienced during these last few years, have made the digital projector even more accessible to a larger group of home users.

Demand has increased to such an extent that manufactures are not only producing what are referred to as 'cross-over' models - i.e. projectors that can handle both PowerPoint presentations in the office as well as DVD movies at home, but they have also started to target the home entertainment domain by producing models specifically designed for home theater use. ...why?

It is true that 'cross-over' projectors can handle both worlds, but this does not mean that a video projector that can deliver a great presentation in the boardroom is also capable of delivering a great cinematic experience in the home theater.

Home theater projectors and business projectors have to fulfill distinct requirements in their use which can only be met if the video projector is specifically designed for the purpose.

What characteristics differentiate Business Video Projectors from Home Theater Projectors?

It is no surprise that video projectors are becoming a popular choice with many home theater enthusiasts. The digital projector can deliver the largest image for your dollar. Simply hook up your DVD and there you have the most cinema-like image in the home theater. Or connect a HDTV source such as a cable set-top box or satellite receiver, and there you have a huge 100 HDTV for the cost of a 50 plasma TV.

And in the boardroom, today's powerful digital multimedia projectors are proving to be more than ideal for business presentations; they are capable of delivering bright huge images under normal ambient room lighting - something only dreamt of in the days of the overhead projector. Simply plug in your laptop, and there you have the most fantastic business presentation in the world!

However, it is important to keep in mind that the boardroom and the home theater are two different arenas that require different beasts. The distinct requirements between the two are important; the discussion that follows explains what video projector attributes should apply in these two cases.

Important Projector Attributes

Brightness:

The brightness level (measured in lumens or ANSI-Lumens) is an indication of the level of light thrown out by the projector. Brightness is a lot more important for business use - this in view that many presentations are given in conference rooms with standard office lighting rather than in reduced ambient light. This means that the image needs to be bright enough to be seen, otherwise the projection would look washed out.

For small boardrooms and presentations with a lot of ambient light, a brightness of around 1000 to 1500 lumens should normally be fine. However, keep in mind that the projector brightness required depends on the projected screen size, the level of ambient light, and the projection screen gain (more on this in our projector screen guide).

For home theater applications, a high brightness level is not important. Some video projectors intended for home theater use come with bulb setting to enable the user to dim the light source for improved viewing and deeper blacks when viewing takes place in a darkened room.

Contrast:

As discussed in our Contrast Ratio article, even a minimal level of ambient light may render a high contrast image of say 5000:1 similar to one with a contrast ratio of 500:1. This means that though a minimum level of contrast is important for the eye to perceive a sufficient bright image, yet contrast is not an important attribute in business applications, nor it is in home use if one will be using the projector in the living room with the lights turned on.

In reality, anything above 400:1 for the contrast ratio would not be perceived by the eye if viewing does not take place in a completely darkened environment. In addition, due to the eye's contrast sensitivity function, a contrast ratio of say 2000:1 would not be perceived as five times better than one with a contrast ratio of 400:1. Therefore, pay more and go for a high contrast ratio only in the case of a home theater projector and as long as viewing takes place under controlled lighting.

Color, Gray-Scale Performance, and Smooth Video Playback:

These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.

Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.

LCD or DLP:

It all depends. Strictly speaking, both technologies can do a good job in either of these applications in that advancement in technology has closed the gap between the two. Yet LCD projectors are normally the primary choice with business projectors in view that these still have a brightness edge over DLP.

On the other hand, DLP is still the favored technology when it comes to home theater use due to their improved black level performance and smoother looking projections that resembles more closely those at the movie theater.

Portability:

This is a major issue with the business video projector. Smaller and lighter is better, especially if you travel frequently. Weight is more of an issue for the business user. Business mobile professionals will want to hook up a lightweight projector to a computer or laptop, projecting an image on a large screen or wall for presentations.

Most business-oriented projectors weigh just a few pounds - some very light business models weigh no more than three pounds! These video projectors usually come with carrying cases and wireless remote controls that enable the user to control not only the projector, but also to send commands to the PC through appropriate connectivity. Some remotes include an integrated laser pointer.

Most multimedia projectors under this category come with a small integrated speaker for the sound; more expensive projectors have security features such as locking cables, etc.

Portability issue is of no concern in the home theater. One would normally setup a fixed place for the projector. For home theater projectors, the best installation spot is on the ceiling. This means that some planning has to go into how it is best to run cables into the ceiling to connect your projector with the rest of your home theater gear.

Video Projector Connectivity

It is critical that your video projector comes equipped with the appropriate inputs to enable you to connect with your PC or laptop in the case of a business projector, and home theater gear, DVD, or HDTV set-top-box in the case of a home theater projector.

It is clear that connectivity requirements between these two video projector categories vary.

Most - but not all - models support component, composite, S-video, and RGB connectivity. Home theater projectors normally also include a DVI or an HDMI port; this is very useful when it comes to interconnecting with a compatible DVD player or HDTV set-top boxes.

One standard that is starting to show up more on video projectors, and that is most appropriate in the business arena, is the M1, EVC, or P&D standard; this is most commonly referred to as M1 or M1-DA.

The M1 connector allows for the same connectivity as DVI digital single or dual link or analog transmissions in the case of DVI-I. But the added advantage of the M1 over DVI is that the M1 also provides connectivity to the USB or FireWire port on your PC. The USB/FireWire connection is used to supply commands from the projector's remote control to the computer - thus allowing you to scroll through PowerPoint presentations, etc.

Our advice: Always check before you buy to be sure that the projector has the inputs you need.

Projector Resolution: SVGA, XGA or Widescreen (WVGA or WXGA)?

This refers to the native or optical resolution and measures the level of picture detail that the projector can handle without compressing (down-scaling) the number of pixels in the original video content. Downscaling degrades picture quality and leads to picture content loss.

This is probably by far the most important video projector attribute that differentiate business from home theater projectors. In reality, it is not the number of pixels but rather how these are arranged on the screen in terms of width vs height i.e. the native aspect ratio of the projector.SXGA (1280x1024) is currently the highest resolution available for portable projectors; these video projectors are relatively very expensive. Most common video projector resolutions in the 4:3 aspect ratio are XGA (1024x768 pixels) and SVGA (800x600 pixels).

Widescreen versions of SVGA (WVGA: 854x480) and XGA (WXGA: 1280x720) have also started to emerge. These enable better projections of widescreen 16:9 content.

Business Video Projectors: SVGA and XGA projectors are more suited for business presentations, with the higher resolution XGA projectors being more capable of showing fine detail in your slide show.

Many may thing that the higher the resolution the better - but this does not necessary apply in the case of the business projector. A word of caution here arise out of the fact that if the text on a PowerPoint slide makes use of a too small a font to show using an SVGA projector (and therefore it necessitates the need of an XGA projector), it means that probably, the audience at the very back would still not be able to read it. Surely, you do not want that. In these circumstances, the cheaper SVGA projector would - in most circumstances - be able to do more than a good job.

On the other hand, the XGA projector is the best option for presentations that include graphics, software demonstrations, or full Web pages; this resolution also represents a better match for laptop computer displays.

Home Theater Projectors: If you want to use a video projector to project a huge image on a screen in your home theater, then the higher the resolution, the better since you will be less likely to suffer from pixelation issues. It is true that pixelation disappears as one moves further away from the screen but in the home theater, many would prefer to move a little bit closer for a wider angle of view and a more immersing movie experience.

Although most SVGA projectors can display HD images from your HD cable tuner or satellite, they don't have enough resolution to do it justice. The two main HD resolution formats are 1080i (1920 x 1080 pixels) and 720p (1280 x 720 pixels). SVGA projectors, with 800 x 600 pixels of resolution, don't have the ability to display either format without downscaling.

Even with DVD content - which at 852x480, comes with a lower resolution than HDTV - the lower-priced SVGA projectors cannot do a good job with DVD movies. XGA, on the other hand, gets much closer but...

Both standard SVGA and XGA projectors have a native aspect ratio of 4:3, so the image corresponds to a standard computer screen or regular television. Widescreen content - such as that available from DVDs and HDTV programming - have an aspect ratio of 16:9. The best way to match this is to use a home theater projector with a widescreen native resolution; it is only in this way that you can avoid the letterboxing, image stretching, or image cropping, or other aspect ratio management techniques that are often used to present a 16:9 content on a 4:3 screen.

Widescreen projectors come in either WVGA or WXGA. Opting for the cheaper WVGA projector makes sense if you will be watching only DVD movies. For HDTV content, a WXGA projector is necessary. This will enable you to display all HDTV content up to 720p without re-scaling. You still will be able to see 1080i HDTV material on a WXGA projector but the projected image will have to be compressed to fit the 1920x1080 pixels in a 1080i or 1080p HDTV, in the available pixel field of a WXGA video projector.

(c) 2004/2005 www.practical-home-theater-guide.com. All rights reserved.

Andrew Ghigo A Telecoms/Electronics engineer by profession. Editor and publisher of http://www.practical-home-theater-guide.com - a comprehensive home theater guide to home theater systems, product reviews and home theater design.

This article is an excerpt from a series of informative guides appearing under the Projection Television section of the site.

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