Developer website: NCH Software
ToneGen is a sine wave generator, frequency generator and signal generator that lets you create audio test tones, sweeps or noise waveforms using your Mac OS X computer.
- Generate sine wave, square wave, triangular waveform, saw tooth waveform, impulse, white noise and pink noise.
- Supports frequencies from 1Hz to 22kHz bandwidth (subject to sound card).
- Multiple simultaneous tones (1 to 16 tones can be created at the same time) (useful to create harmonics).
- Mono or separate stereo operation (ideal to create dual tones or 'beats').
- Tone Sweeps (Log or Linear).