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Published byDenis Burns Modified over 9 years ago
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From Analog to Digital An introduction to HDTV
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Analog… (review) 6 MHz signal Scan lines Shadow mask Poor resolution Digital to analog conversion (satellites, DVDs, etc…)
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HDTV: High Definition Television High-resolution digital television (DTV) 480i - 640x480 pixels interlaced 480p - 640x480 pixels progressive 720p - 1280x720 pixels progressive 1080i - 1920x1080 pixels interlaced
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MPEG-2 Moving Picture Experts Group 6 MHz bandwidth for analog TV Compression: Encoding and decoding
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HDTV Stations First: WRAL-HD in Raleigh, NC All: FCC mandated by 2006 Effects Consumers/communities Broadcasters Cable
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HDTV Diffusion Nov 1998 to May 1999 Nov 1999 May 2002May 2006
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Differences from Analog Higher resolution Formats and standards Aspect ratio, Wider, CD quality sound, downloads
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Consumer Concerns Televisions Compatibility DVD and HDVD Digital cable and DBS Conversion
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