https://arstechnica.com/information-technology/2017/04/microsoft-opens-up-on-windows-telemetry-tells-us-most-of-what-data-it-collects/ https://arstechnica.com/i

https://arstechnica.com/information-technology/2017/04/microsoft-opens-up-on-windows-telemetry-tells-us-most-of-what-data-it-collects/ https://arstechnica.com/information-technology/2017/04/micro... There were earlier articles that talked about the frequency of audio dumps (every 30 minutes) but I wouldn't call them as reliable sources as Ars or Microsoft.