All entries for Monday 31 December 2012

Converting FLAC to AAC/M4A

I found myself wanting to convert some audio files that were encoded with FLAC to AAC/M4A that iTunes can understand. Conversion using ffmpeg is easy enough but I couldn't find a way to make ffmpeg copy the artwork that's embedded in the FLAC files. So I ended up using atomicparsley as well.

$ for i in *flac;do of="${i/.flac/.m4a}";af=foo.jpg;ffmpeg -i "${i}" -y "${af}"; ffmpeg -i "${i}" -vn -acodec libfaac -aq 320k -f mp4 -y "${of}";atomicparsley "${of}" --artwork "${af}" --overWrite;rm -f "${af}";done

I had to tell ffmpeg to force the mp4 container otherwise atomicparsley wouldn't process the resulting file.

Mike Willis : 31 Dec 2012 16:11 |  Tags: Aac Atomicparsley Audio Convert Ffmpeg Flac Itunes M4A |  Comments (0) |  Close comments |  Report a problem