Magnavox 32MD357B User Manual

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44GlossaryAspect Ratio The ratio between the width and height of the TV picture on the screen. In a normal TV set the aspectratio is 4 to 3 (4:3). The new aspect ratio in HDTV is 16:9 which resembles the aspect ratio in a movietheatre (Widescreen). New TV systems support both 4:3 and 16:9 aspect ratio and can automaticallyswitch between them.Audio Video (A/V) A term often used when discussing a channel on a TV receiver or on video equipment, which has beenespecially designed to accept VCR audio-video signals. This channel automatically activates special circuitrywithin 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 advancedtelevision systems, including digital high definition television (HDTV).CVBS Composite Video Baseband Signal. In broadcast television this refers to the video signal, including the co-lour information and syncs.Component VideoInput (Y Pb Pr)Component Video Input is a type of connection that uses a cinch-type connector to allow set top boxesor analog DVD players to connect a signal to the TV. By offering the cinch-type input (YPbPr) the primarycolors, red, green and blue are connected from a set top box directly into the TV allowing for the signal todisplay on the screen.DTV Digital television. Generic term that refers to all digital television formats, including high-definitiontelevision (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; alsocalled 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 includedinside TV sets or via a set-top box.DivX 3.11/4.x/5.x/6.x: The DivX code is a patent-pending, MPEG-4 based video compression technology, developed byDivXNetworks, Inc., that can shrink digital video to sizes small enough to be transported over the internet,while maintaining high visual quality.HDTV The generally agreed upon definition of HDTV is approximately twice the vertical andhorizontal 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 screenratio of 4:3. HDTV offers reduced motion artifacts (i.e. ghosting, dot crawl), and offers 5.1 independentchannels of CD-quality stereo surround sound, (also referred to as AC-3).NTSC National television system committee. The organization that developed the analog television standardcurrently in use in the U.S., Canada, and Japan. Now generally used to refer to that standard. The NTSCstandard 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 DigitalTV 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 Resolutionsmay 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.SPDIF SPDIF (Sony and Philips Digital Interconnect Format) is highly recommended for high quality digital soundoutput.