Convert audio files inside your Android app easily. Supported formats: AAC, MP3, M4A, WMA, WAV and FLAC. For example : If I record audio for 1 minute it takes 4MB to 5MB. So that I want to convert the wave file into MP3 file to reduce the size of the file. Please help me to compress the wav file ,give some example. Thanks in advance. Pick MP3 as the “Convert Format”. Tap “Convert”. As soon as the conversion is complete, tap “Converted” to access the output MP3 audio. On Android. The AppGuru, a reliable developer, has many media converter & player apps, one of which is AMR to MP3 Converter. It can record, cut, join and export AMR to AMR NB, AMR WB, MP3, OGG, M4A 1 Answer. Sorted by: 3. Check out JLayer. It should run on Android. Beware, some of the calls are synchronized. If this doesn't work, tweak the source code or extract the converter modules from the entire source, since all you need is the mp3 to wav converter, not the mp3 player. Share. Improve this answer. ffmpeg is a complete, cross-platform solution to record, convert and stream audio and video. Here is a great package that ports ffmpeg features to flutter Below is a usage example of the package that converts a input.wav file to an output.mp3 file: Convert mp3 to wav on Android. 3. How to play 3gp audio file in Android using default player in the device? 1. Converting 3gp/amr audio file to mp3 in java. 22. nLt7.