Patent ID: 8484026
Filing Date: 2013-07-09
Classification: H04R

Abstract:
1. An audio control device, used for enabling an electronic device to issue an audio signal and output sound to an earphone device, comprising: an audio source receiver, selectively coupled with the electronic device, used for receiving the audio signal from the electronic device; a sound synthesis module, used for receiving a voice signal from outside the audio control device, and the audio signal received by the audio source receiver, wherein the audio signal and the voice are synthesized as a synthesis sound; an audio transmitter, used for outputting the synthesis sound to the earphone device; a microphone retrieval unit, used for retrieving the voice signal; a microphone receiving unit, electrically connected to an external microphone, for receiving the voice signal retrieved by the external microphone; and a switch, electrically connected to the microphone retrieval unit and the microphone receiving unit, wherein one of the microphone retrieval unit and the microphone receiving unit is selected by the switch for retrieving the voice signal.