Noise EQ

Start a session

Starts sound and a fresh timer. Adjust the volume to a comfortable level.

Choosing a session

Use the lowest volume that helps. In a quiet room, silence may suit you better. No noise colour or beat frequency is proven best for everyone.

Concentration: steady noise can make conversations less distinct. This is masking, not noise cancellation or a guaranteed attention boost. Office masking study (2024).

Sleep: use quiet sound only if it helps with background noise. A 2026 overnight study found less REM sleep with pink noise at 50 dBA; darker noise is not proven better. This session stops after one hour. Sleep study (2026).

Meditation: pink noise provides a steady background; 15 minutes is a starting duration. Optional 6 Hz binaural tones are prepared in the controls below (headphones needed), but stay off initially. One five-minute study found improved self-reported calmness and focus; lasting meditation benefits are unproven. Binaural beat study (2026).

EQ curve (drag to draw)Live spectrum

Equalizer

Double-click a band to zero it

Volume Fade in Fade out before the timer ends

Session timer

Pausing keeps your remaining time.

Constant loudnessKeeps perceived loudness the same as you reshape the sound.

Texture & movement

Tilt Stereo width Animate depth Animate speed Swell depth Swell period

Animate slowly drifts every band so the sound feels alive instead of static. Swell adds wave-like surges, like the ocean or gusts of wind.

Hearing calibration

Your ears and your headphones or speakers don't hear every frequency equally. Calibrate once per device: for each band you lower a test sound until you can barely hear it. Noise EQ then compensates, so every preset sounds balanced to you.

Compensation amount

Tinnitus notch

Notch out a frequencyRemoves one octave around your tinnitus pitch.Notch center

This isn't a medical treatment, so check with an audiologist.

Binaural beats

Binaural tonesA slightly different tone in each ear. Use headphones.

Beat

Carrier tone Tone level

Delta, theta, alpha and beta label frequency ranges. They do not reliably produce sleep, relaxation or focus. Evidence for binaural beats is mixed; leave them off if you prefer noise alone.