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2002 Sep 27
2
Using Theora Micro-HOWTO
...9;t), so if you
want to, for example, create an ogg-theora file from an NTSC SVCD mpeg file
(480x480) that displays the "correct" size (640x480), you will need to
explicitly scale it. Fortunately, mplayer handles this just fine:
mplayer -ao null -nosound -vo yuv4mpeg -vop scale=640:480 SVCD_File.mpg
Some 'data points':
-a 1, for 44.1khz stereo .wav file, equates to ~64-72kbps
-v 1, for 640x480 29.970fps video, equates to ~600kbps
I've tested 'transcoding' a 13-minute-long, 368x480, 29.970 fps, 3750.0 kbps
color mpeg2 video, 112kbps (?) audio file (Total file size ~315...