Patent ID: 9674598
Date: 2017-06-06
CPC Classifications: G10L,H04R

Claim:
1. An accessory headset system, comprising: an advanced slave circuit configured to communicate with a master device using a first connection of an audio jack; an ambient noise cancelling (ANC) circuit configured to receive a left audio signal from a second connection of the audio jack and a right audio signal from a third connection of the audio jack, to receive ambient noise information, and to provide corrected left and right audio signals using the left and right audio signals and the ambient noise information; and a battery configured to provide power to the ambient noise cancelling circuit, wherein the advanced slave circuit is configured to receive power from the master device using the first connection of the audio jack in a first mode, and to selectively couple a microphone to the master device using the first connection of the audio jack in a second mode, wherein the advanced slave circuit includes: