Apparently Sonos acquired them in 2020. https://audioxpress.com/news/data-over-sound-pioneer-chirp-acquired-by-sonos https://audioxpress.com/news/data-over-sou

Apparently Sonos acquired them in 2020. https://audioxpress.com/news/data-over-sound-pioneer-chirp-acquired-by-sonos https://audioxpress.com/news/data-over-sound-pioneer-chirp-a... Seems to have been euthanized.