[MPlayer-users] Cannot compress audio

[D Richard Felker III]

On Mon, Feb 23, 2004 at 05:34:34PM +0100, Mario Valle wrote:
> I'm using mencoder pre3 to convert old MOV files to AVI.
> No problem for the video part, but seems that I cannot compress the audio 
> track.
> 
> The following command works, but the audio track is far bigger than the 
> video one:
>    mencoder -ovc lavc -lavcopts BlaBlaBla -oac pcm -o movie.avi movie.mov
> 
> Instead:
>    mencoder -ovc lavc -lavcopts BlaBlaBla -oac mp3lame -o movie.avi 
>    movie.mov
> and:
>    mencoder -ovc lavc -lavcopts BlaBlaBla -oac copy -o movie.avi movie.mov
> 
> end with:
> MP3 audio selected
> Building audio filter chain for 22254Hz/1ch/8bit -> 22254Hz/1ch/16bit...
                                                      ^^^^^^^^^^^^^^^^^

This is a nonsensical sample rate, typical of quicktime crap. Try
resampling with the -srate option to a rate supported by mp3. I would
recommend 32000, but 22050 would also be acceptable. The rates
supported are 8000, 11025, 16000, 22050, 32000, 44100, 48000, fyi.

Rich