You can convert video files to audio files (MP3 AAC) with various options ( bitrate meta data)

1. Supports various types of videos (3GP FLV MP4 and so on)
2. Supports various types of audio (MP3 AAC)
3. Supports editing meta information (title album artist)
4. Supports application based integration. (Contact us)

* It supports only ARMv7 and higher.
* Is uses ffmpeg and mp3lame library.