m4a to wav ffmpeg code example
Example 1: convertingwav to mp3 linux ffmpeg
ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3
Example 2: convert m4a to wav ffmpeg
ffmpeg -i filename.mp3 newfilename.wav newfilename.ogg newfilename.mp4
ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3
ffmpeg -i filename.mp3 newfilename.wav newfilename.ogg newfilename.mp4