Invention Grant
- Patent Title: Calibrating multiple microphones
- Patent Title (中): 校准多个麦克风
-
Application No.: US12989574Application Date: 2009-04-22
-
Publication No.: US08611556B2Publication Date: 2013-12-17
- Inventor: Kalle Makinen , Matti Kajala
- Applicant: Kalle Makinen , Matti Kajala
- Applicant Address: FI Espoo
- Assignee: Nokia Corporation
- Current Assignee: Nokia Corporation
- Current Assignee Address: FI Espoo
- Agency: Nokia Corporation
- International Application: PCT/FL2009/050314 WO 20090422
- International Announcement: WO2009/130388 WO 20091029
- Main IPC: H04R3/00
- IPC: H04R3/00
Abstract:
The specification and drawings present a new method, apparatus and software product for calibrating multiple microphones (e.g., a microphone array) to match their sensitivity using an ambient noise by creating and updating one or more calibration signal level difference histograms.
Public/Granted literature
- US20110051953A1 CALIBRATING MULTIPLE MICROPHONES Public/Granted day:2011-03-03
Information query
