Audio recorder - is an open source application makes an easy audio recording experience. 
App optimized for the fastest start as possible and helps not to miss important sound for the user.

There are few recording formats available:
M4A format is encoded with AAC audio codec has good quality and small size. 
Waveform Audio File Format (WAVE, or WAV) audio file format standard for storing an audio bitstream on PCs. Stores audio data uncompressed.
3gp  is a multimedia container format developed for mobile telecommunication services. Use it if you need to save space.

In settings, select sample rate, bitrate (for M4A and 3GP only) and stereo or mono.
Selected preferences directly affect on record file size.

With colorful themes, customize app looking, and make the experience better for you.

Features:
 - Recording audio
 - Playback records
 - Supported recording formats M4A, WAV and 3GP
 - Set recording sample rate and bitrate
 - Record and Playback in background
 - Display record waveform
 - Rename record
 - Share record
 - Import audio files
 - Records list
 - Add the selected record to bookmarks
 - Colored themes

https://github.com/Dimowner/AudioRecorder

Fast and lightweight Audio Recorder application.

Audio Recorder

Additional Information