| HDTV Standards and Specs
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| ( Old style ) Interlace TV Screens ( aka NTSC )
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- analog horizontal scan frequency is: 31.5kHz
- analgo vertical scan frequency is: ..
- 1st pass draw all the "odd" numbered lines ( do it 30x a second )
- 2nd pass draw all the "even" numbered lines ( do it 30x a second )
- Frame Rates ( frames per second )
- 24fps for film
- 30fps for video
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| Video Resolution
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1,920 x 1,080
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1080
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HDTV
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1080i
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interlaced
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1,280 x 720
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720p
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HDTV - progressive-scan format ( better/smoother motion )
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852 x 480
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480p
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progressive-scan widescreen ( dvd, edtv )
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720 x 480
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480 lines
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regular tv
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| Hardware Decoders
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MITInc.co.kr ASIC
- Teralogic Janus decoder chip
- rtjpeg (from Nuppelvideo)
- mpeg4 (from libavcodec)
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