Audio interface device and method
US7961895B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2007 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Apr 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.