Vocorder 4+

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

Features
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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
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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