[FFmpeg-user] How can I convert mpeg2 5.1 audio to ac3?

[Carl Eugen Hoyos]

 <bluesky <at> caramail.com> writes:

> One of the files is an audio test file where someone 
> says "Left, Right, Center, (low hum for subwoofer), 
> Left surround, Right surround" and if I play that 
> file in MythTV it plays with all the sounds coming 
> from the correct speakers.

Please provide your input sample.

Carl Eugen