Adaptive noise floor reduction for wearable audio devices

Abstract

A wearable audio device including an acoustic driver, a feedforward microphone, a feedback microphone, and a controller is provided. The controller generates an aware audio signal based on a playback audio signal and an external audio signal corresponding to the feedforward microphone. The controller further generates a feedback path signal based on the aware audio signal and a feedback audio signal. The feedback audio signal corresponds to the feedback microphone. The controller further generates a noise floor reduction signal based on the feedback path signal, the playback audio signal, and the external audio signal. The controller further generates an acoustic driver signal based on feedback path signal and the noise floor reduction signal. The controller renders, via the acoustic driver, output audio based on the acoustic driver signal.

Dependencies are inferred from the claim text.