All Audio Tools

Single tones, 20 Hz - 20 kHz

Test signals for engineers

Several frequencies at once

Linear & exponential sweeps

White, pink & brown noise

Full-spectrum masking

Balanced, rain-like

Deep focus rumble

Mid-band, water-like

Equal loudness to your ears

Telephone dial pad tones

Free WAV reference files

How high can you hear?

How old are your ears?

High-frequency age test

Find your voice type

Find your ringing's pitch

Bass response, down to 1 Hz

Left/right channel check

Check wiring polarity

Channels, phase, reach & buzz

5.1 channel-by-channel check

Measure Bluetooth delay

Live mic frequency view

Approximate sound levels

Waveform, level & playback

Push water out of a speaker

LUFS, true peak & waveform

Cut any file, export WAV

Slow down or speed up songs

Tap tempo, 30-300 BPM

16-step beat maker

See your singing live

Tap to find any song’s tempo

Hear any chord in any key

Classic progressions, any key

Play with keyboard or touch

Mic tuner with cents needle

Guitar, bass, violin & more

Standard, Drop D, E♭, Open G

GCEA, low G & baritone

4-string, 5-string & Drop D

Violin, viola & cello

Chromatic reference notes

Ear training quiz

Name 12 notes, no reference

Name the chord quality

Guess the boosted band

Delay & LFO sync times

Find your standing waves

Notes, Hz & cents

Ratios, dBu & dBV

Keys, capo & horn parts

Brainwave entrainment

Pulsed tones, no headphones needed

396-963 Hz healing tones

Layered meditation sounds

Infinite pitch illusion

High-frequency training whistle

Alternative "Verdi" tuning

Standard concert pitch

The "love frequency"

Solfeggio liberation tone

Solfeggio connection tone

Solfeggio crown tone

Engineering reference

Gamma research frequency

Mains hum frequency

Bass test reference

The hearing age line

Under-25s only