- audio files genereated from ffmpeg from the video, trimming first 9 secs
ffmpeg.exe -i input.mkv -acodec flac -bits_per_raw_sample 16 -ar 44100 output.flac
ffmpeg -i input.mkv output.wav
ffmpeg.exe -i output.wav -vn -ar 44100 -ac 2 -b:a 320k output_320k.mp3
ffmpeg.exe -i output.wav -vn -ar 44100 -ac 2 -b:a 128k output_128k.mp3