Invention Application
- Patent Title: MULTI-CHANNEL ECHO CANCELLATION AND NOISE SUPPRESSION
- Patent Title (中): 多通道ECHO消除和噪声抑制
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Application No.: US14156292Application Date: 2014-01-15
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Publication No.: US20140328490A1Publication Date: 2014-11-06
- Inventor: Asif Iqbal Mohammad , Lae-Hoon Kim , Ian Eman Liu , Erik Visser
- Applicant: QUALCOMM INCORPORATED
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM INCORPORATED
- Current Assignee: QUALCOMM INCORPORATED
- Current Assignee Address: US CA San Diego
- Main IPC: H04R3/00
- IPC: H04R3/00

Abstract:
A method for multi-channel echo cancellation and noise suppression is described. One of multiple echo estimates is selected for non-linear echo cancellation. Echo notch masking is performed on a noise-suppressed signal based on an echo direction of arrival (DOA) to produce an echo-suppressed signal. Non-linear echo cancellation is performed on the echo-suppressed signal based, at least in part, on the selected echo estimate.
Public/Granted literature
- US09936290B2 Multi-channel echo cancellation and noise suppression Public/Granted day:2018-04-03
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