ToneGen

ToneGen is a sine wave generator, frequency generator and signal generator that lets you create audio test tones, sweeps or noise waveforms using your computer or a PDA handheld.

The application provides generation of test tones in radio and other studios for the alignment of levels, calibration and testing of audio equipment or speakers, tuning music instruments as an accurate reference tone, demonstration of audio principles to students, acoustics testing and equalisation, quality control and testing of sound cards, white noise generator, audio band signalling, hearing tests.