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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 (503602, Block B Digital Building, Garden City, No.1079, Nanhai Road, Shekou, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
Application Number:
CN2019/076187
Publication Date:
October 31, 2019
Filing Date:
February 26, 2019
Export Citation:
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Assignee:
SHENZHEN WATER WORLD CO., LTD (503602, Block B Digital Building, Garden City, No.1079, Nanhai Road, Shekou, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
International Classes:
G10L21/02
Foreign References:
CN108806712A2018-11-13
CN107749305A2018-03-02
CN1551588A2004-12-01
CN102509552A2012-06-20
CN105848056A2016-08-10
CN101477800A2009-07-08
CN103177727A2013-06-26
Attorney, Agent or Firm:
SHENZHEN MINGRIJINDIAN INTELLECTUAL PROPERTY AGENCY FIRM(GENERAL) (Room 405, Building 01B E District, Zhiheng New Industrial Park, Nantou Street, Nanshan Distric, Shenzhen Guangdong 0, 518000, CN)
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