On Tue, 15 Dec 2009 19:28:09 -0700 Kermit Mei <kermit.mei at gmail.com> wrote: > audio effect. Finally, I find that it's better to use '-ao oss' for > the music "AUDIO: 44100 Hz", and use '-ao alsa' for the music with > "AUDIO: 48000 Hz". It's called the sample rate, and you can just have mplayer resample to any frequency you want, all the time, with -srate, -vf resample, et al. -- Ha. I'm the idiot.