Audio interface device and method

Details Audio interface device and method Audio interface device and method

2011-06-14

2011-06-14

Faulk, Devona E (Department: 2614)

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Multiple channel

C381S077000, C381S085000, C381S123000, C381S122000, C381S113000

Reexamination Certificate

active

07961895

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.

REFERENCES:
patent: 7187775 (2007-03-01), Fujita
patent: 2004/0156520 (2004-08-01), Poulsen et al.
patent: 2004/0160993 (2004-08-01), Ganton et al.
patent: 2004/0175993 (2004-09-01), Chennakeshu
patent: 2006/0215856 (2006-09-01), Meyer et al.
patent: 2007/0104332 (2007-05-01), Clemens et al.
PCT International Search Report, Apr. 4, 2008.

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