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 f