If you're looking for a tool to convert video files to audio files, then you might want to check out this software. It supports a wide range of video formats, including 3GP, FLV, and MP4, among others. You can convert these videos to audio files in either MP3 or AAC format, depending on your preference.

One of the great things about this software is that it allows you to customize the output file's bitrate and meta information. You can adjust the bitrate to control the quality of the audio file, and you can edit the meta information to include details such as the title, album, and artist. This makes it easy to organize your audio files and keep them properly labeled.

If you're interested in integrating this software into your own application, you'll be pleased to know that it supports application-based integration. You can contact the developers to learn more about how to integrate this software into your own project. However, it's worth noting that this software only supports ARMv7 and higher, so it may not be compatible with all devices.

Finally, it's worth mentioning that this software uses the ffmpeg and mp3lame libraries to perform its conversions. These are well-known and respected libraries in the multimedia industry, so you can be confident that the software is using reliable and high-quality tools to perform its conversions.