Most TVs have several types
2019年3月19日If you watch many movies, look for a film mode feature on HD sets. This feature is also called 3:2 pulldown compensation or brand-specific names such as CineMotion. This can make moving images that were converted from film to video look less jerky, with less jaggedness around the edges. On 16:9 sets, stretch and zoom modes will expand or compress an image to better fill the screen shape. This helps to reduce the dark bands that can appear around images if you watch content that isnt formatted for a widescreen TV. (The picture may be distorted or cut off a bit in the process of stretching or zooming).
Most TVs have several types of inputs that handle varying levels of quality. A cable/antenna, or radio frequency (RF), input is the most basic connection, and it can be used with almost any video source. A composite-video input will give you slightly better picture quality and is often used with a VCR or regular cable box. An S-video input lets you take advantage of the still-better picture quality from a digital-cable box, a satellite-dish system, a DVD player, or a digital camcorder. A component-video input offers superior quality, making this a good choice for progressive-scan DVD players, high-definition satellite receivers, and HD digital-cable boxes that have the corresponding output. HDTVs have DVI or HDMI inputs, which provide a high-quality digital connection to devices such as DVD players, digital-cable boxes, and satellite receivers. DVI signals carry only video; HDMI signals carry audio and video on one cable. The digital-to-digital connection may ensure optimal picture quality. These connections allow the content providers to control your ability to record certain programming. Many sets have more than one of a given type of input. Having two or three S-video or component-video inputs is a plus. For a camcorder or video game, front-panel A/V inputs are helpful.
Audio outputs let you direct a stereo TVs audio signal to a receiver or self-powered speakers. An automatic volume leveler compensates for the jarring volume jumps that often accompany commercials or changes in channel. A headphone jack, if available, lets you watch (and listen) without disturbing others.
HOW TO CHOOSE
Think twice before buying an ED set. An EDTV may cost a bit less than an HD model, but the tradeoffs arent worth it with LCD sets. The picture quality probably wont be as good. The best HDTVs can display a very good picture from a high-quality source such as a satellite receiver or digital-cable box. Still, our tests have found that the image quality of LCD TVs doesnt quite match that of the best CRTs, which render a deeper black, improving image contrast. Wed recommend an ED or standard-definition LCD TV only for uses such as casual viewing in the kitchen, where you wouldnt want the cable or satellite box you generally need to receive HD signals.
Check the viewing angle. Viewing angles have improved, so many new models display a better image from off-center than older sets did--a must if a TV will be watched by several people at once. Some sets have wider viewing angles than others. Before buying one, see how the picture looks if you step off to the side or move up and down. With some, youll see a dimmer, somewhat washed-out image as your viewing position angles away, particularly in a vertical direction.
Look for easy-to-use inputs. On many LCD televisions, the connections are on the side or rear of the panel and might be hard to reach. Some larger models have separate control units that connect to the LCD panel via cables. Devices such as a cable box or DVD player are connected to the control unit, so there are fewer cables running to the panel--a big plus for wall-mounting--and the inputs may be easier to access.
Consider a set that doubles as a computer display. If you need a computer display as well as a TV, check out the connectivity options. We recommend an HD set since its most suitable for computer use. A standard VGA connection will work with all computers; a Digital Visual Interface (DVI) input would be compatible with newer mid-range computers.
Weigh the merits of an extended warranty. While extended warranties arent worthwhile for most products, they may be for high-priced devices using new technologies. Because LCD TVs are costly items that havent yet established a track record for reliability, check into the cost of a service plan. Find out whether in-home service is covered and whether a replacement is provided if a set cant be repaired.
Copyright © 2002-2006 Consumers Union of U.S., Inc.
For the latest information on this and many other products and services, visit www.ConsumerReports.org. https://www.pvcfoamprofile.com/product/foamed-profile-product/
Find More LCD TVs with Easy Deal at ShopNdeal.com .
Most TVs have several types of inputs that handle varying levels of quality. A cable/antenna, or radio frequency (RF), input is the most basic connection, and it can be used with almost any video source. A composite-video input will give you slightly better picture quality and is often used with a VCR or regular cable box. An S-video input lets you take advantage of the still-better picture quality from a digital-cable box, a satellite-dish system, a DVD player, or a digital camcorder. A component-video input offers superior quality, making this a good choice for progressive-scan DVD players, high-definition satellite receivers, and HD digital-cable boxes that have the corresponding output. HDTVs have DVI or HDMI inputs, which provide a high-quality digital connection to devices such as DVD players, digital-cable boxes, and satellite receivers. DVI signals carry only video; HDMI signals carry audio and video on one cable. The digital-to-digital connection may ensure optimal picture quality. These connections allow the content providers to control your ability to record certain programming. Many sets have more than one of a given type of input. Having two or three S-video or component-video inputs is a plus. For a camcorder or video game, front-panel A/V inputs are helpful.
Audio outputs let you direct a stereo TVs audio signal to a receiver or self-powered speakers. An automatic volume leveler compensates for the jarring volume jumps that often accompany commercials or changes in channel. A headphone jack, if available, lets you watch (and listen) without disturbing others.
HOW TO CHOOSE
Think twice before buying an ED set. An EDTV may cost a bit less than an HD model, but the tradeoffs arent worth it with LCD sets. The picture quality probably wont be as good. The best HDTVs can display a very good picture from a high-quality source such as a satellite receiver or digital-cable box. Still, our tests have found that the image quality of LCD TVs doesnt quite match that of the best CRTs, which render a deeper black, improving image contrast. Wed recommend an ED or standard-definition LCD TV only for uses such as casual viewing in the kitchen, where you wouldnt want the cable or satellite box you generally need to receive HD signals.
Check the viewing angle. Viewing angles have improved, so many new models display a better image from off-center than older sets did--a must if a TV will be watched by several people at once. Some sets have wider viewing angles than others. Before buying one, see how the picture looks if you step off to the side or move up and down. With some, youll see a dimmer, somewhat washed-out image as your viewing position angles away, particularly in a vertical direction.
Look for easy-to-use inputs. On many LCD televisions, the connections are on the side or rear of the panel and might be hard to reach. Some larger models have separate control units that connect to the LCD panel via cables. Devices such as a cable box or DVD player are connected to the control unit, so there are fewer cables running to the panel--a big plus for wall-mounting--and the inputs may be easier to access.
Consider a set that doubles as a computer display. If you need a computer display as well as a TV, check out the connectivity options. We recommend an HD set since its most suitable for computer use. A standard VGA connection will work with all computers; a Digital Visual Interface (DVI) input would be compatible with newer mid-range computers.
Weigh the merits of an extended warranty. While extended warranties arent worthwhile for most products, they may be for high-priced devices using new technologies. Because LCD TVs are costly items that havent yet established a track record for reliability, check into the cost of a service plan. Find out whether in-home service is covered and whether a replacement is provided if a set cant be repaired.
Copyright © 2002-2006 Consumers Union of U.S., Inc.
For the latest information on this and many other products and services, visit www.ConsumerReports.org. https://www.pvcfoamprofile.com/product/foamed-profile-product/
Find More LCD TVs with Easy Deal at ShopNdeal.com .
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