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Online Tone Generator

About

For comments or suggestions, please use the contact form below.

The Online Tone Generator uses the recently developed HTML5 Web Audio API. It is currently compatible with most modern desktop browsers. More details can be found in the Web Audio working draft.

All frequencies on this site were calculated using equal temperament with a reference of A4 = 440Hz. All semitones have a frequency ratio of the twelfth root of two. See Wikipedia's entry on equal temperament for more details.

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Online Tone Generator utilises HTML5 and the Web Audio API. It is optimized for use with the latest versions of Chrome, Safari, Firefox and Microsoft Edge.
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