Use an online tone generator for basic hearing self-checks, musical tuning and audio testing. Generate frequencies from 20 Hz to 20 kHz and compare tones through both ears or one side at a time. Choose a waveform, adjust volume and test common preset frequencies. The tool can provide a rough hearing self-check, but it is not a medical audiogram or substitute for professional hearing a... https://aitoolspros.com/tools/audio/tone-generator/