[theora] recommendations for web video bit rates

Tom Sparks tom_a_sparks at yahoo.com.au
Sat Mar 13 21:32:10 PST 2010

>Basil Mohamed Gohar abu_hurayrah at hidayahonline.org
>Sat Mar 13 16:13:01 PST 2010

>You might also consider looking at the "profiles" that ffmpeg2theora
>supports.  I'm not sure how rigorously those presets were chosen, but
>it's something to start with.

here are the ffmpeg2theora presets:
v2v presets:
  preview        Video: 320x240 if fps ~ 30, 384x288 otherwise
                        Quality 6
                 Audio: Max 2 channels - Quality 1

  pro            Video: 720x480 if fps ~ 30, 720x576 otherwise
                        Quality 8
                 Audio: Max 2 channels - Quality 3

  videobin       Video: 512x288 for 16:9 material, 448x336 for 4:3 material
                        Bitrate 600kbs
                 Audio: Max 2 channels - Quality 3

  padma          Video: 640x360 for 16:9 material, 640x480 for 4:3 material
                        Quality 6
                 Audio: Max 2 channels - Quality 3

  padma-stream   Video: 128x72 for 16:9 material, 128x96 for 4:3 material
                 Audio: mono quality -1
What about supporting the VCD/DVD/SDTV sizes?
Has anyone looked at the preset on http://firefogg.org/make/index.html ?



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