Frequency Generator
Generate pure tones from 20Hz to 20kHz directly in your browser.
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About Tone Generator
A client-side audio oscillator tool utilizing the Web Audio API to construct mathematically pure waveforms instantly. Whether you want to test the low-end capabilities of a subwoofer or find out what "mosquito sound" frequencies you can still hear, this tool covers it natively.
How to
Set Frequency
Set the frequency in Hz using the slider or type a value directly.
Configure Audio
Select your preferred oscillator waveform. Keep the volume relatively low to avoid hardware damage.
Play
Press PLAY. You can adjust the frequency slider while the tone is playing without any audio glitches.
Glossary
- Frequency (Hertz)
- The number of complete audio waves hitting your ear per second. Higher values mean higher pitch.
- Hearing Limits
- Average human hearing spans from 20Hz (ultra low bass) to 20,000Hz (piercing high pitch).
- Mosquito Tone
- A sound played at ultra-high frequencies (above 15kHz) which older individuals frequently lose the ability to detect.
FAQ
- Q.I cannot hear anything.
- Ensure your hardware isn't muted. Also note that standard laptop speakers often cannot reproduce frequencies below 80Hz.
- Q.Is it dangerous?
- Potentially. Pure tones can be quite intense. Start at 10% volume, especially when using headphones.
Use Cases
🎧 Hearing Diagnostics
Testing your own hearing limits by sweeping through massive top-end scales.
🔊 Speaker Alignment
Checking resonance frequencies and distortion points of your speakers.
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