Riff Locker

Whisper Mode

It listens so you don't have to remember to press record.

Most lost riffs die the same way: you were playing, not recording, and by the time you reached for the phone the idea had moved on. Whisper Mode runs while you play and captures the passages that sound like live music.

Four stages, all on your phone

Listens

Short frames of microphone audio are scored for tone, harmonic content, brightness and sustain.

Qualifies

Sustained, harmonic playing scores high. Conversation, room noise and produced recordings coming out of a speaker score low.

Captures

When confidence stays high for a moment it starts recording, with three seconds of pre-roll so the first notes are kept.

Stops and notifies

After the silence window it saves the take as "Needs review" and sends a notification. Nothing is analyzed until you open it.

Whisper Mode control screen

How it decides

Proprietary method. How Whisper Mode tells live playing from everything else is confidential and is withheld here to protect Riff Locker's intellectual property. The blurred passages below are placeholders, not the real description.

What you control

Reviewing a capture

Where it falls short today

Privacy

Audio that does not qualify is never written to disk; the three-second pre-roll lives in memory only. Captured takes are ordinary riffs you can delete at any time. Nothing, not audio and not the numbers derived from it, leaves the device. See the privacy policy.