Create different audio waveforms with this free online tone generator. Produce sine, square, sawtooth or triangle tones at frequencies from 20 Hz through 20 kHz, then control volume and choose both-ear, left-ear or right-ear output. The tool is useful for musical reference pitches, tuning, speaker and headphone testing, sound experiments, room checks and audio engineering tasks in a b... https://aitoolspros.com/tools/audio/tone-generator/