david@web-1:~$ grep -l 'audio' recipes/* archive/*
| DATE | FILE | TITLE |
|---|---|---|
| 2009-12-15 | extract-audio-from-video-files-to-wav-using-ffmpeg | Extract Audio from Video Files to WAV using FFmpeg |
| 2009-10-11 | extract-audio-from-video-files-to-wav-using-mplayer | Extract Audio from Video Files to WAV using Mplayer |
| 2009-09-26 | add-stereo-audio-tracks-to-mkv-files | Add Stereo Audio Tracks to MKV Files |