A free app for Android, by mytechnosound.

If you’re looking for a powerful video-to-audio converter that will help you cut your favorite songs from your favorite videos, then this app is exactly what you need. With this app, you can cut your videos into audio files. You can use the audio files for any kind of audio-related tasks, such as making a podcast, creating a music player, making a songwriter, etc.

You will be able to choose between the following video formats: 

AVI, MP4, WMV, RMVB, MKV, 3GP, M4V, MOVE, TS, MPG, FLV

How to use this app?

Choose the video file you want to cut from your library.