Vocorder

A professional audio recorder intended for acousticians and sound research. Freely customisable options and powerful but with a simple interface.

Features

Zero Signal Processing ↳ Signal is truly raw and pure ↳ No noise reduction, signal gain or audio compression ↳ Ideal for ML training & classification ↳ Great for high fidelity recording

Simple Interface ↳ Record immediately when opening app ↳ Huge record button; too big to miss ↳ SPL graph to provide real time feedback ↳ Screen kept on while recording to prioritise recording ↳ Buttons disabled while recording to prioritise recording

Playback ↳ Visual waveform of recordings for clarity ↳ One tap to play, share (email, AirDrop), rename or delete ↳ Audio scrubbing to navigate within recording ↳ Playback volume booster for quiet recordings ↳ Recordings available in native Files app for manipulation

Parameters

Recording Mode ↳ Measurement - zero signal processing ↳ Default - iOS typical audio processing

Microphone ↳ iPhone - Front (Earpiece), Bottom (Left speaker grill), Back (Camera module) ↳ iPad - Top (Between camera and headphone jack), Back, Front ↳ Mac - System input

Sample Rate ↳ 44.1 kHz (Typical) ↳ 48 kHz (Studio)

Audio Channels ↳ Mono ↳ Stereo

Recording Format ↳ 16bit Integer ↳ 32bit Integer ↳ 32bit Float ↳ 64bit Float

Recording Container ↳ WAV (Typical) ↳ CAF (Apple)

Gain Override ↳ 0.1 - 1 steps