GLOSSARY

 

 

 

 

Aspect Ratio

The ratio between the width and height of the TV picture on the screen. In a normal TV set the aspect ratio is 4

 

 

to 3 (4:3). The new aspect ratio in HDTV is 16:9 which resembles the aspect ratio in a movie theatre

 

 

(Widescreen). New TV systems support both 4:3 and 16:9 aspect ratio and can automatically switch between

 

 

them.

 

Audio Video (A/V)

A term often used when discussing a channel on a TV receiver or on video equipment, which has been

 

 

especially designed to accept VCR audio-video signals. This channel automatically activates special circuitry

 

 

within the TV set to prevent picture distortion and skewing. It is also used for audio-video processors, which

 

 

handle both types of signals.

 

ATSC

ATSC: Advanced Television Systems Committee. Formed to establish technical standards for advanced

 

 

television systems, including digital high definition television (HDTV).

 

CVBS

Composite Video Baseband Signal. In broadcast television this refers to the video signal,

 

 

including the colour information and syncs

 

DTV

Digital television. Generic term that refers to all digital television formats, including high-definition television

 

 

(HDTV) and standard-definition television (SDTV).

 

DOLBY Digital

Dolby Digital - Six-channel digital audio standard that is part of the U.S. digital television standard; also called AC-3 or Digital

 

 

5.1. The channels consist of front left, front right, front center, surround or rear left, surround or rear right, and a separate

 

 

subwoofer

 

Digital Tuner

A digital tuner serves as the decoder required to receive and display digital broadcasts. It can be included inside TV sets or

 

 

via a set-top box.

 

 

 

 

HDTV

The generally agreed upon definition of HDTV is approximately twice the vertical and horizontal picture resolution of today’s

 

 

NTSC TV, which essentially makes the picture twice as sharp. HDTV also has a screen ratio of 16:9 as compared with most of

 

 

today’s TV screens, which have a screen ratio of 4:3. HDTV offers reduced motion artifacts (i.e. ghosting, dot crawl), and

 

 

offers 5.1 independent channels of CD-quality stereo surround sound, (also referred to as AC-3).

 

NTSC

National television system committee. The organization that developed the analog television standard currently in use in the

 

 

U.S., Canada, and Japan. Now generally used to refer to that standard. The NTSC standard combines blue, red, and green

 

 

signals modulated as an AM signal with an FM signal for audio.

 

Progressive Scan

In Progressive Scanning all the horizontal scan lines are scanned on to the screen at one time. The Digital TV and HDTV

 

 

Standards accept both Interlaced Scan and Progressive Scan broadcast and display methods.

 

Resolution

Resolution: A measurement of the finest (smallest) detail that is visible in a video image. TV Resolutions may be expressed as

 

 

number of pixels in an image; or more commonly, “As Total Number of (horizontally scanned) Lines used to create the image.

 

 

Standard Digital TV Resolutions:

 

 

SDTV: 480i - The picture is 704x480 pixels, 480p - The picture is 704x480 pixels.

 

 

HDTV: 720p - The picture is 1280x720 pixels, 1080i - The picture is 1920x1080 pixels, 1080p - The picture is 1920x1080

 

 

pixels.

 

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Philips 27MT5005D, 27MT6005D, 32MT5015D, 32MT6015D manual Glossary, Atsc

27MT5005D, 27MT6005D, 32MT5015D, 32MT6015D specifications

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