[FFmpeg-user] FFmpeg creates m4a files that don't play on Marantz CD6003

[Liam Condron-Farnos]

The 'ffmpeg' in the Ubuntu repositories is actually not ffmpeg from FFmpeg,
but rather a deliberately crippled version from the Libav fork (they want
you to use their tool, avconv, instead).

Look here for a recent ffmpeg build: http://ffmpeg.org/download.html

Or compile the latest git head from source (this is the option I'd
recommend), see instructions for compiling on Ubuntu on the ffmpeg wiki:
https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide

If the problem can be reproduced on an up-to-date real ffmpeg, then ask
again here.