Encoding MP2 Audio using twolame
MP2 (aka Musicam) encoding is done with twolame. twolame is a high quality open source MP2 encoder.
Twolame can be run on Windows, OSX and Linux. Further information about twolame can be found at http://www.twolame.org/
Your input must be in a .wav file. FFmpeg can convert most audio formats to .wav. In broadcast applications output sample rate is 48000Hz. Only stereo and mono audio is permitted.
Run the following command:
twolame -b XXX in.wav out.mp2
Replace XXX with your chosen bitrate in kilobits per second. 384kbps is the maximum allowed. 256kbps stereo is commonplace.
This mp2 file can be muxed using OBE-VoD.