Stereo Sound Recorder

Sound and voice recorder for Android, uses RAW microphone data to capture every sound and records in lossless format (PCM WAV). Records stereo audio - listen with headphones and feel surrounded by the sound.

Features:
• record in PCM WAV (lossless), or M4A (compressed - small file size)
• raw MIC data (captures all sound)
• also recording with screen OFF
• stereo MIC (if device has 2 MICs)
• select the Audio Source (UNPROCESSED / CAMCORDER / MIC / DEFAULT)
• sample rate 8kHz to 192kHz (older devices may not support all the sample rates)
• bits per sample selection 16-bit (high quality) / 8-bit (record files to use in some embedded systems)
• ajustable gain 0 to 60 dB or automatic (look-ahead AGC)
• AGC processing step selection 10ms to 500ms
• AGC measured amplitude averaging factor A_avg 0 = max. amplitude, 1 = buffer average
• user-configurable file name including date and time
• stereo / mono channel selection
• option to swap left / right channels
• left / right channel balance +/- 10 dB
• keep screen ON - option so that device does not enter sleep mode
• disable ringing and vibration while recording - option so that the recording does not get ruined by the phone ring or vibration
• in-app audio player (listen to the recordings)
• free, NO ADS, only limitation is recording stops after 10 min. per recording, which is more than enough for recording one song.

You have to see the magic of automatic sound level / gain control (AGC), especially if you use to record meetings / lectures. It works as follows: it amplifies the quiet sounds to capture all, but then if a loud sound happens, it gets reduced volume to not damage your ears.

Free version intended for personal, non-commercial use only.