Tone Generator
Generate audio tones
Frequently Asked Questions
What frequencies can the Tone Generator produce?
The Tone Generator produces frequencies from 20Hz to 20,000Hz, covering the full range of human hearing. You can set exact frequencies by typing a value or using the slider for quick adjustment.
What waveforms are available in the Tone Generator?
Four standard waveforms are available: Sine (pure tone), Square (hollow, buzzy), Sawtooth (bright, harsh), and Triangle (soft, mellow). Each produces a distinct sound character at the same frequency.
Can I use this tool to test my speakers or headphones?
Yes. Generate a frequency sweep from 20Hz to 20kHz to test the full range of your audio equipment. Low frequencies (20-200Hz) test bass response, mid frequencies (200-5000Hz) test clarity, and high frequencies (5000-20000Hz) test treble.
What is 440Hz and why is it important?
440Hz is the standard tuning pitch for the musical note A4, used as a reference for tuning musical instruments worldwide. It was adopted as the international standard (ISO 16) in 1955.
Can I use the Tone Generator for hearing tests?
While this tool can generate test tones, it is not a medical device. For a basic hearing range check, slowly increase frequency from 20Hz and note when you first hear sound, then increase until you can no longer hear it. Consult an audiologist for clinical hearing tests.