Hi Vangelis, > Be sure to include -vn in the command if the output file extension is > ".m4a" Ah, this is to avoid attempting to copy any "video" album sleeve, etc? I didn't know of this option, always using -map 0:0 or similar to pluck just the audio in those cases. Thanks. -- Cheers, Ralph. https://plus.google.com/+RalphCorderoy