This app voice recording app.
This can record MP4(AAC) and WAVE(PCM) file format.
And if your android device support noise suppressor, you can use it.
This app following feature.
# MP4(AAC) and WAVE(PCM) file format recording.
# Recording sound visualize (Equalizer)
# Support some bitrate for AAC.
# Export recorded file to other app.
# Support noise suppressor.