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 Listed in: Entertainment & Arts > Television
What is HDTV? High Definition Television: Basically, the term "HD" refers to the quality of the broadcast signal that is sent to the television set. The high definition signal represents images that are as crystal clear and lifelike as possible. When you watch a program via HDTV, you will quickly understand why it is becoming the favorite method of watching TV! The HD signal is digital in nature and provides viewers a 16:9 wide screen format, the same as used in movie theaters. The incredible, lifelike images displayed through HD televisions are unbelievable! You can literally feel like you at the racetrack or on the football field! If you are watching a concert, you will have a front row seat. Be sure to do a little research to find the format that you will prefer, primarily LCD or Plasma.
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LCD vs. Plasma HDTV
If you're looking for a flat-screen, slim display, to watch HDTV, you have a choice of two technologies, LCD and gas plasma. Technology is changing rapidly, but for now (July 2004) it's still true to say that at sizes of 40in and above, plasma offers a less-expensive and generally better solution. For screen-sizes less than 40in LCD is better. However, as LCD prices fall, this will change.
Choosing HDTV
When purchasing an HDTV make sure the set has at a resolution of at least 1280 by 720 pixels. The last number indicates the programs broadcasting standards. Choose a TV with the best possible picture. Those are the ones with digital video interface (DVI) and high definition media interface (HDMI). The new HDMI uses a single cable to transmit video and 5.1 surround sound.
All about HDTV
The HDTV digital signal gives viewers a 16:9 wide screen format, the same as movie theaters. There are 3 different formats that offer HDTV, including: CRT (it's been around for 60 years), LCD (uses 2 different polarized, transparent panels to house a liquid in the middle.) and Plasma (high resolution digital images). Be sure to do a little research to find the format that you will prefer.
HDTV and the iPod Photo a Perfect Marriage
The iPod photo could be the perfect choice for anyone who wants to view photo slideshows on an HDTV. The iPod photo can store thousands of digital photos, and syncs with a Mac or PC via iTunes. It will read any slideshow you’ve created in iPhoto on a Mac or Photoshop Album on a PC and copy them to the iPod. Alternatively you can copy a folder full of images from your hard drive as a slideshow.
720p vs. 1080i HDTV
It's important to understand the difference between 720p vs 1080i. A 720p (progressive scan) signal is made up of 720 horz lines. Each frame is displayed on-screen for 1/30th of a second. The quality is like watching 30 photographic images a second on TV. A 1080i (interlaced) signal comprises 1080 horz lines but all the lines are not displayed on-screen simultaneously.
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