Procedure
Procedure
- Select sine, square, triangle, or sawtooth.
- Adjust one control at a time: cycles, amplitude, or phase.
- Use the center line and repeated periods to compare the waveform.
Sound tools
Waveform generator
See how wave shape, frequency, amplitude, and phase change a synthetic waveform.
- Free to use
- Runs on this device
- No account
Function
Model limits
This tool draws a synthetic, normalized waveform. It does not measure microphone audio or a physical sound level.
Browser support
Use a current version of Safari, Chrome, Edge, or Firefox. Microphone tools require HTTPS and microphone permission.
Technical sources
MDN Web Audio APISound tools