The original study: http://randomwalker.info/publications/OpenWPM_1_million_site_tracking_measurement.pdf http://randomwalker.info/publications/OpenWPM_1_millio

The original study: http://randomwalker.info/publications/OpenWPM_1_million_site_tracking_measurement.pdf http://randomwalker.info/publications/OpenWPM_1_million_site... The relevant section of the study is "6.4 AudioContext Fingerprinting", on page 15. Notably, they link to an online tool they developed that demonstrates this fingerprinting technique [1] [1] https://audiofingerprint.openwpm.com/ https://audiofingerprint.openwpm.com/