- Cupertino CA, US Brian D. Clark - San Jose CA, US Hanchi Chen - San Jose CA, US Victoria Chiu - San Jose CA, US Vladan Bajic - San Francisco CA, US Dana Massie - Santa Cruz CA, US Andrew P. Bright - Los Gatos CA, US Thomas M. Jensen - San Francisco CA, US
A method for audio signal processing of microphone signals of a headphone. An audio signal from a first microphone of a headphone is filtered by an ANC system to produce a first filtered signal. Dynamic range control is performed upon the first filtered signal to produce a first dynamic range adjusted signal that drives a speaker of the headphone. Other aspects are also described and claimed.