Title:
SIGNAL PROCESSING METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/020247
Kind Code:
A1
Abstract:
Embodiments of the present invention provide a signal processing method, a signal processing device, and a computer storage medium. The method comprises: receiving a first audio signal and playing the first audio signal by at least one loudspeaker; obtaining, according to at least one loudspeaker model, at least one microphone model, and the first audio signal, at least one echo estimation signal corresponding to the first audio signal; receiving a second audio signal using at least one microphone, wherein the second audio signal comprises an echo signal generated by the first audio signal, output by the at least one loudspeaker, and received by the at least one microphone; and removing, from the second audio signal, at least one echo estimation signal corresponding to the first audio signal to obtain an echo-processed audio signal.
Inventors:
CUI TENGFEI (CN)
Application Number:
PCT/CN2019/097552
Publication Date:
January 30, 2020
Filing Date:
July 24, 2019
Export Citation:
Assignee:
XIAN ZHONGXING NEW SOFTWARE CO LTD (CN)
International Classes:
H04M9/08; G10L21/0216
Domestic Patent References:
| WO2017065989A1 | 2017-04-20 |
Foreign References:
| CN1176034A | 1998-03-11 | |||
| CN1176034A | 1998-03-11 | |||
| CN1176034A | 1998-03-11 | |||
| CN106297816A | 2017-01-04 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
Download PDF: