Title:
FREQUENCY-DOMAIN PROCESSING AMOUNT REDUCTION METHOD, APPARATUS AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/205796
Kind Code:
A1
Abstract:
A frequency-domain processing amount reduction method, comprising: according to the calculation amount level of a frequency-domain processing platform, selecting a Fourier transform method of a specified frequency point (S20); after a first time-domain signal of a current voice signal acquired by respective dual-microphone voice channel is processed in advance, obtaining a frequency-domain signal corresponding to the first time-domain signal by means of the Fourier transform method of the specified frequency point (S21); and dividing, according to a preset rule, the frequency-domain signal into a plurality of sub-bands arranged in sequence (S2).
Inventors:
AN HUANGBIN (CN)
Application Number:
PCT/CN2019/076187
Publication Date:
October 31, 2019
Filing Date:
February 26, 2019
Export Citation:
Assignee:
SHENZHEN WATER WORLD CO LTD (CN)
International Classes:
G10L21/02
Foreign References:
| CN108806712A | 2018-11-13 | |||
| CN107749305A | 2018-03-02 | |||
| CN1551588A | 2004-12-01 | |||
| CN102509552A | 2012-06-20 | |||
| CN105848056A | 2016-08-10 | |||
| CN101477800A | 2009-07-08 | |||
| CN103177727A | 2013-06-26 |
Attorney, Agent or Firm:
SHENZHEN MINGRIJINDIAN INTELLECTUAL PROPERTY AGENCY FIRM(GENERAL) (CN)
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