Sound
Made in your browser. Nothing is uploaded.Tone generator
Play a steady tone at any pitch, sweep through pitches to find a rattle, or play noise to test speakers.
Sine waveStopped
440HzA4
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Start quietly. Loud tones can hurt your ears and your speakers.
How to use it
- Pick a pitch
Drag the slider, type it, or jump an octave with ½ × and 2 ×.
- Press Play
Start with the volume low and raise it slowly.
- Sweep or noise
Sweep glides between two pitches. Noise plays every pitch at once.
Tips
- Find a rattle
Sweep slowly from 40 to 200 Hz. The panel or part that buzzes is loose.
- Check the wiring
Play through Left only, then Right only, to check which speaker is which.
- Tune by ear
A above middle C is 440 Hz. The note name shows beside the number.
In the app
Audio analyzer in Decibel Meter
- Tone, sweep and pink noise with saved presets
- Live spectrum and spectrogram
- Peak hold and frozen snapshots
- A sound meter and logs in the same app
Get it onGoogle PlayComing soon to the App Store
Audio analyzer guide ›