Sound Recorder Pro

Record high quality stereo audio with your phone.

High quality audio / voice recorder for Android.

Features:

- raw MIC data (captures all sound)

- also recording with screen OFF

- stereo MIC (if device has 2 MICs) - listen with headphones and feel surrounded by the sound

- select the Audio Source (UNPROCESSED / CAMCORDER / MIC / DEFAULT)

- lossless audio format (PCM WAV)

- 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 buffer 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

- swap left/right option

- left/right 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

- convert WAV to M4A to get smaller file size

- (NEW ) record directly in M4A format

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 blow your ears.

App. intended for personal and commercial use.

Recordings are now stored in the app's "recordings" folder. Old recordings are still in the old folders. They can be imported to the app's "recordings" folder using the "+ import files" button in app settings.

End-User License Agreement:

https://www.hardcodedjoy.com/app-eula?id=com.hardcodedjoy.soundrecorderpro

Known bugs:

- recording in M4A with screen OFF may skip parts of the audio on some devices.