Patent ID: 9743170
Date: 2017-08-22
CPC Classifications: G10K,H04R

Claim:
1. An acoustic noise reduction (ANR) audio system having tap control, comprising: a first ANR module having a first ANR input to receive a first audio input signal, a second ANR input to receive a first supply current from a power supply, and an ANR output to provide a first audio output signal having reduced acoustic noise; a first current sensor having a sensor output and configured for communication with the power supply, the first current sensor providing a signal responsive to a characteristic of the first supply current at the sensor output; a first signal conditioner module having an input in communication with the sensor output of the first current sensor and having a first signal conditioner output, the first signal conditioner module providing a first conditioned signal at the first signal conditioner output in response to the signal responsive to the characteristic of the first supply current; and an audio and mode control module having a first input to receive a source audio signal, a second input in communication with the first signal conditioner output, and a first output in communication with the first ANR input of the first ANR module, the audio and mode control module controlling at least one of a mode of operation of a headphone system and an attribute of the first audio input signal in response to the first conditioned signal.