Title:
DISTANT SOUND AMPLIFICATION METHOD, STORAGE MEDIUM, AND SMART DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/021633
Kind Code:
A1
Abstract:
The present application discloses a distant sound amplification method, a storage medium, and a smart device. The method comprises: filtering and amplifying first sound information so as to obtain a first amplified sound signal, and performing differential amplification processing on the first sound information and second sound information so as to obtain a first differential amplification sound signal; and performing differential amplification processing on the first differential amplification sound signal and the first amplified sound signal. The invention allows distant sounds at a direct-facing position to be monitored without being masked by nearby sounds.
Inventors:
JIANG ZHUANG (CN)
ZHANG LIXIN (CN)
ZHOU BIXING (CN)
ZHANG LIXIN (CN)
ZHOU BIXING (CN)
Application Number:
PCT/CN2020/123687
Publication Date:
February 03, 2022
Filing Date:
October 26, 2020
Export Citation:
Assignee:
SHENZHEN WATER WORLD CO LTD (CN)
International Classes:
H04R1/40
Foreign References:
| CN109151408A | 2019-01-04 | |||
| CN109167982A | 2019-01-08 | |||
| CN110958343A | 2020-04-03 | |||
| EP1564980A1 | 2005-08-17 |
Attorney, Agent or Firm:
SHENZHEN MINGRIJINDIAN INTELLECTUAL PROPERTY AGENCY FIRM (GENERAL) (CN)
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