Title:
NOISE CANCELLATION METHOD FOR AUDIO SIGNAL, AUDIO SIGNAL PROCESSING APPARATUS, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/272631
Kind Code:
A1
Abstract:
A noise cancellation method for an audio signal, an audio signal processing apparatus, and an electronic device. The method comprises: if a current noise cancellation coefficient needs to be updated into a new noise cancellation coefficient, a digital signal processor calculates the new noise cancellation coefficient and writes same into an idle storage module among at least two storage modules (301), and sends an update request for updating the noise cancellation coefficient to an active noise cancellation module, position information carried by the update request being used for indicating the position where the new noise cancellation coefficient is written into the storage module (302); and the active noise cancellation module reads a new noise cancellation coefficient on the basis of the position information carried by the update request (303), and performs noise cancellation processing according to the new noise cancellation coefficient after the current noise cancellation processing period is ended (304). Coefficient updating is performed under the condition that active noise cancellation is not closed, the integrity of coefficient updating is improved, noise caused by uneven coefficient updating is avoided, a better active noise cancellation effect is achieved, and the auditory feeling of a user is improved.
Inventors:
CHEN JIACHAO (CN)
LIU CHANG (CN)
YAN XIAODONG (CN)
LIU CHANG (CN)
YAN XIAODONG (CN)
Application Number:
PCT/CN2021/103773
Publication Date:
January 05, 2023
Filing Date:
June 30, 2021
Export Citation:
Assignee:
SHENZHEN GOODIX TECH CO LTD (CN)
International Classes:
H04R1/10; G10K11/178; H04R3/04
Foreign References:
| GB2522760A | 2015-08-05 | |||
| CN112669864A | 2021-04-16 | |||
| CN101222243A | 2008-07-16 | |||
| CN109246515A | 2019-01-18 | |||
| US20060176546A1 | 2006-08-10 |
Other References:
See also references of EP 4138406A4
Attorney, Agent or Firm:
SHANGHAI CHENHAO INTELLECTUAL PROPERTY LAW FIRM GENERAL PARTNERSHIP (CN)
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