Invention Grant
- Patent Title: Echo cancellation and noise reduction adaptation during ringing signal playback
- Patent Title (中): 振铃信号回放时的回波消除和降噪适应
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Application No.: US11490528Application Date: 2006-07-21
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Publication No.: US08054966B2Publication Date: 2011-11-08
- Inventor: Fredrik Stenmark , Per Hiselius , Stefan Gustavsson
- Applicant: Fredrik Stenmark , Per Hiselius , Stefan Gustavsson
- Applicant Address: SE Lund
- Assignee: Sony Ericsson Mobile Communications AB
- Current Assignee: Sony Ericsson Mobile Communications AB
- Current Assignee Address: SE Lund
- Agency: Snyder, Clark, Lesch & Chung, LLP
- Main IPC: H04M9/08
- IPC: H04M9/08
Abstract:
A communication device is provided that includes a speaker for outputting a ringing signal, a microphone for receiving the ringing signal, and logic configured to analyze the spectral content of the received ringing signal and adjust noise reduction parameters and echo cancellation parameters based on the analyzed spectral content of the received ringing signal.
Public/Granted literature
- US20080043999A1 Echo cancellation and noise reduction adaptation during ringing signal playback Public/Granted day:2008-02-21
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