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#1
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What format are Apple and Amazon using for their new movies services? 480p?
HD? Letterbox? |
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#2
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What format are Apple and Amazon using for their new movies services?
Apple: H.264 MPEG-4 http://en.wikipedia.org/wiki/H.264 "near DVD-quality, 640-by-480-pixel video" "Exact resolution depends on aspect ratio" http://www.apple.com/itunes/store/movies.html Amazon: VC-1 WMV http://en.wikipedia.org/wiki/VC1 "DVD-quality" http://www.amazon.com/b/?&node=16261631 |
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#3
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"B" wrote in message ps.com... What format are Apple and Amazon using for their new movies services? Apple: H.264 MPEG-4 http://en.wikipedia.org/wiki/H.264 "near DVD-quality, 640-by-480-pixel video" "Exact resolution depends on aspect ratio" http://www.apple.com/itunes/store/movies.html Amazon: VC-1 WMV http://en.wikipedia.org/wiki/VC1 "DVD-quality" http://www.amazon.com/b/?&node=16261631 640x480 is DVD quality? 640x480 looks bad on anything bigger than a 14 inch display. |
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#4
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"Bliss" wrote in message
et... "B" wrote in message ps.com... What format are Apple and Amazon using for their new movies services? Apple: H.264 MPEG-4 http://en.wikipedia.org/wiki/H.264 "near DVD-quality, 640-by-480-pixel video" "Exact resolution depends on aspect ratio" http://www.apple.com/itunes/store/movies.html Amazon: VC-1 WMV http://en.wikipedia.org/wiki/VC1 "DVD-quality" http://www.amazon.com/b/?&node=16261631 640x480 is DVD quality? 640x480 looks bad on anything bigger than a 14 inch display. Yes, DVD is 720x480 (and often interlaced). But there is a big difference between filtered video and a PC desktop, or even many video games, which don't fare so well when scaled to a different screen resolution. |
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#5
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Bliss wrote:
"B" wrote in message ps.com... What format are Apple and Amazon using for their new movies services? Apple: H.264 MPEG-4 http://en.wikipedia.org/wiki/H.264 "near DVD-quality, 640-by-480-pixel video" "Exact resolution depends on aspect ratio" http://www.apple.com/itunes/store/movies.html Amazon: VC-1 WMV http://en.wikipedia.org/wiki/VC1 "DVD-quality" http://www.amazon.com/b/?&node=16261631 640x480 is DVD quality? 640x480 looks bad on anything bigger than a 14 inch display. NTSC encoded DVDs are 720x480 (actually 704x480) in resolution. Do not confuse how dynamic movies or video look with computer displays of text or spreadsheets. Alan F |
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#6
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Matthew Vaughan wrote:
"Bliss" wrote in message et... "B" wrote in message ps.com... What format are Apple and Amazon using for their new movies services? Apple: H.264 MPEG-4 http://en.wikipedia.org/wiki/H.264 "near DVD-quality, 640-by-480-pixel video" "Exact resolution depends on aspect ratio" http://www.apple.com/itunes/store/movies.html Amazon: VC-1 WMV http://en.wikipedia.org/wiki/VC1 "DVD-quality" http://www.amazon.com/b/?&node=16261631 640x480 is DVD quality? 640x480 looks bad on anything bigger than a 14 inch display. Yes, DVD is 720x480 (and often interlaced). That should read "always interlaced". Matthew -- Thermodynamics and/or Golf for dummies: There is a game You can't win You can't break even You can't get out of the game |
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