Title:
SIGNAL PROCESSING METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/227625
Kind Code:
A1
Abstract:
The present disclosure relates to a signal processing method and apparatus. The signal processing method comprises: calling an internal audio recording interface of a terminal, and obtaining an internal audio recording signal, the internal audio recording signal comprising the sound played back by the terminal; on the basis of the internal audio recording signal, executing echo silencing processing on a microphone signal of the terminal, the microphone signal being the sound collected by the microphone of the terminal; mixing the internal audio recording signal with the microphone signal that has undergone echo silencing processing, and obtaining a first mixed signal; and sending the first mixed signal to an external apparatus.
Inventors:
ZHANG CHEN (CN)
ZHENG XIGUANG (CN)
ZHENG XIGUANG (CN)
Application Number:
PCT/CN2021/139274
Publication Date:
November 03, 2022
Filing Date:
December 17, 2021
Export Citation:
Assignee:
BEIJING DAJIA INTERNET INFORMATION TECH CO LTD (CN)
International Classes:
H04N21/2187; A63F13/87; G10L21/0208; H04N21/4788
Domestic Patent References:
| WO2001097045A1 | 2001-12-20 |
Foreign References:
| CN113225574A | 2021-08-06 | |||
| CN111445901A | 2020-07-24 | |||
| CN111583952A | 2020-08-25 | |||
| CN110956969A | 2020-04-03 | |||
| CN109166589A | 2019-01-08 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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