Rear Projection TV Facts advantages disadvantages of rear projection

Rear Projection TV Facts advantages disadvantages of rear projection   One of the big questions every home theater enthusiast has been in the planning of a new home theater system is whether to invest in a rear projection TV, or for two-piece video projector - screen setup. Both approaches have their advantages and disadvantages. In this article we will discuss the advantages and limitations of rear projection as a solution to a big screen at home theater.Rear projection television - lots of options at affordable prices to the consumer rear projection TV systems arise from the shear simplicity that this product offering, as always an immediate solution to a big television. No mess, no stress, if you have space, or visit your local dealer screen - or better yet, if from your favorite online electronics supermarket - to protect your product and again in a few days to unpack the product and do not have a big screen TV in your living room ready for immediate use! Rear Projection TV Facts: As already stated, rear projection offers a solution for the immediate introduction of a large TV. This is probably one of the main driving forces of the projection television sales of the real "culprit" behind the popularity of rear projection TV does not stem from particular advantage in connection with the rear projection, but the fact that most retailers canvas seem to give the impression that rear projection is less expensive than a front projection setup. This may also be in stores, but it is not necessary so when buying online. The reality is that for a given budget level, prices are in line, so that before the projectors will be much a movie as an experience for the same price category. Therefore we should not be your decision on price alone to decide between a front projection setup and a rear projection TV box.Clearly, there is a market for both - the primary decisive factor should be your room size. If you do not have a large display room, a 40 "to 60" diagonal TV will probably be more than enough, that a rear projection TV the ideal affordable - as long as space is available. Size - or rather unit depth - is becoming less of a problem with mode LCD and DLP Rear Projection TV. A typical 52? Diagonal widescreen LCD or DLP Rear-projection TV requires no more than 15 cm deep, which contrasts sharply with a similar size CRT rear projection model, which are usually 22 to 24 cm deep. What's more is that a similar size Plasma TV is still beyond the reach of most average families, today's Slim DLP and LCD rear-projection TV in style, with their prices even lower High Performance will be available 'immediately' screen TV option in the TV market in mass. However, before you with a rear projection TV, it's important to be fully aware of certain limitations associated with the projection systems, namely: limited screen size, limited viewing angle, glare problems, poor management aspect ratio, poor utilization of space, etc. We look at each of these limitations in more detail as follows: Screen Size: Rear projection TV systems come in sizes ranging from typical 42 "up to a ' height of just over 70 ". This may or may not be a limitation. It 'true that a 100 "projection with a home theater projector for the price of a high quality digital 50" rear projection TV, but the screen size should be calculated in the room. If your room is not such a big size projections, rear projection is probably the way to go.Viewing angles: Rear projection TV systems used at an angle of vision rather limited - with the optimum position of the display is a direct and with eyes -- flush with the device. Way on both sides, and the color, contrast and brightness is much worse. A limited viewing angle, the number of people who can see the series, reducing the quality of the images to the far coer. Most mode systems support a viewing angle of 150 degrees - which should be enough for normal home theater use. However, it is always advisable to check on this before buying, because some products are worse than others.Reflections: E 'habit that every source of light in a complementary angle to angle your ads in the glare - especially if the device makes l' use of screen saver (a clear protective material that the fragile screen itself). Glare can seriously affect the image quality. The only real solution is to obtain the source of light infringement and, in some cases the situation can improve if one removes the screen saver? But remember that an unprotected screen is fragile and expensive to replace if damaged.Floor-space: Any rear projection TV is literally a large box with a relatively high support. It 'true that mode slim models that are no longer than 15 to 18 cm in depth - depending on the size of the screen, yet the cheaper CRT-based rear projection televisions, which are at least 24 inches to 30, also to allow the necessary air space between the rear of 'unit and the wall. Remember these in your calculations when planning your home theater as these two feet or so should be available by the announcement distance.Rear projection TV Speakers: Forget all about it! They do not give weight to the speaker system coming with your rear projection unit. It would not be with them, as you surely want to replace your receiver with home theater surround speaker system. Do not think the building behind the TV speakers as center channel replaced. Are only with the sound of your system - so do not pay extra for this as there are certainly your TV sound completely in a movie show.Aspect reports: We have a number of limitations associated with rear projection TV, still in comparison, these are only minor problems. The real serious limitation with a rear projection TV is aspect ratio management.This is the most difficult of all. Standard TV only comes in 4:3 but rear projection TV to come to both systems standard 4:3 and 16:9 widescreen format. If the format, but you must live with it - so once you have the choice wisely.The 4:3 (1,33) or 16:9 (1.78) to determine how the aspect ratio is the ratio of the width in relation to the image. All standard non-HDTV material is in 4:3 format while most mode films come in one of the many widescreen formats - most frequently cited as 2.35, which in itself is not compatible with the aspect ratio fixed systems television. There are several ways to address the issue - also: to display the images available screen.Use black or gray bar at the top and bottom of 4:3 screen to show the film in the correct aspect ratio as originally filmed, however, l 'they will appear will be film and editing smaller.Pan scan in which only the most important part of each structure is connected to the rest discarded.Image stretching and horizontal bars can be very irritating, while in "Pan and Scan" It will be information on the role of a movie in full screen view. The worst thing is that the prolonged use of horizontal bars - especially black bars - leads to tube bu-out in CRT based systems at high cost to you.The incompatibility between screen formats renders the decision on aspect ratio a po 'complex issue when you choose a rear projection TV. Surely there is no such dilemma with a front projection setup, but if your only way forward is rear projection, then you have the choice wisely.Here nobody will help you with your decision - it is simply a matter of attitude. The best way to decide the aspect ratio is what you will see the first election most.Making: Sure, there's a market for front and rear-projection TV? It 'all a matter of knowing what are the advantages and limitations of the individual in relation to your specific needs. (c) 2004/2005 All rights reserved. About the Author Andrew Ghigo? Editor & Publisher - a complete guide to home theater systems, home theater, product reviews and home theater systems design.This article is an excerpt from a series of projection TV Guide on the same page.