About the editor & content policy
Editor: Lin Yifan — Audio & music tools content editor
Lin Yifan curates and fact-checks the audio test tools on this site. All tests are browser-side Web Audio; the explanatory figures come from public authorities such as MDN, Wikipedia and the World Health Organization (WHO), cited on the page.
Content policy
Tool data and explanations follow public authoritative sources; estimated figures are labelled as estimates. We do not exaggerate and never collect user audio. Corrections backed by a source are welcome.