Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei-Chan Hsu0
Li-Te Wu0
Date of Patent
June 14, 2011
0Patent Application Number
117485190
Date Filed
May 15, 2007
0Patent Primary Examiner
Patent abstract
The invention provides an audio interface device and method to acquire audio signal from either an analog or digital microphone through a common connector. The audio interface comprises a connector, electrically connected with a microphone plugged thereinto, an analog readout circuit, acquiring an analog audio signal from an analog microphone, a digital readout circuit, acquiring a digital audio signal from a digital microphone, and a decision circuit, selectively connecting the analog or digital readout circuit to the connector to acquire the analog or digital audio signal respectively according to whether the microphone plugged into the connector is analog or digital.
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