The CarANC companion app (iOS and Android) is a remote control for the CarANC hardware console. It communicates with the console exclusively over Bluetooth Low Energy.
The console's microphones feed a signal processor that computes anti-noise thousands of times per second. Audio exists only transiently in that computation and is immediately discarded. The device has no internet connection, no storage of audio, and no way to transmit sound anywhere. Your cabin audio never leaves the box.
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