Dan Nelson ([EMAIL PROTECTED]) wrote: > I guess the problem might be oggenc's option parser, then. Given a > stereo 22050hz input file, I can't seem to get oggenc to encode less > than 22kbits. The lowest bitrate it will allow on the commandline (for > 22050hz/2ch input) is -b 30, but if you also add -M 1, it will generate > a file with an average bitrate of 22.
$ sox -V War\ -\ Low\ Rider.wav -r 22050 foo.wav
[...]
sox: Finished writing Wave file, 17102568 data bytes 8551284 samples
$ oggenc -b 16 -M 16 --downmix foo.wav foo.ogg
Enabling bitrate management engine
Opening with wav module: WAV file reader
Downmixing stereo to mono
Encoding "foo.wav" to
"foo.ogg"
at average bitrate 16 kbps (no min, max 16 kbps),
using full bitrate management engine
[100.0%] [ 0m00s remaining] -
Done encoding file "foo.ogg"
File length: 3m 13.0s
Elapsed time: 0m 22.2s
Rate: 8.7477
Average bitrate: 15.7 kb/s
Of course, the resulting file sounds pretty bad. (It's actually not
as bad as I expected it to be, but it has horrible artifacts in the
mid-range frequencies, and the high frequencies are gone. A lowpass
might help a bit.)
Are you sure you're using Vorbis 1.0?
--
Greg Wooledge | "Truth belongs to everybody."
[EMAIL PROTECTED] | - The Red Hot Chili Peppers
http://wooledge.org/~greg/ |
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