§ 03 / Tools

Sonic tools.

Free, client-side, no upload. Every tool runs in your browser. Your audio never touches a server.

loudness

They normalize. You decide.

Choose audio file No file loaded

— Momentary 400ms window — LUFS

— Short-term 3s average — LUFS

— Whole track — LUFS

Pick a target below.

— True peak Above −1 dBTP can distort — dBTP

0:00 / 0:00

Drop a file to measure.

tone

Tap a card to hear a tone. Tap "Mystery tone" to test your ear.

Hz 1000 Hz

Vol

Ear training

Tap a card to play.

visualizer

Drop an audio file. We render its spectrum in real time. Click anywhere to drop a frequency bracket. The file never leaves your browser.

Choose audio file No file loaded

The file is read into your browser's memory. It never leaves this device. Click anywhere on the spectrogram to drop a bracket and read the frequency.

Drop a file to begin. Click the spectrogram to identify a frequency.

roomtone

Six rooms. Each with its own noise floor. The meter shows you what the room sounds like from the inside.

Pick a room.

Engage the Lab.

Have a brief? Send it over.