Title:
METHODS AND SYSTEMS FOR SOUND SOURCE LOCATING
Document Type and Number:
WIPO Patent Application WO/2018/010398
Kind Code:
A1
Abstract:
A method and system for locating a sound source are provide. The method may include detecting a sound signal of a sound by each of two audio sensors (410). The method may also include converting the sound signals detected by the two audio sensors from a time domain to a frequency domain (420). The method may further include determining a high frequency ratio of each of the sound signals in the frequency domain (430). The method may further include determining a direction of the sound source based on the high frequency ratios (440).
Inventors:
QIAO GANG (CN)
GAO YA (CN)
GAO YA (CN)
Application Number:
PCT/CN2016/114014
Publication Date:
January 18, 2018
Filing Date:
December 31, 2016
Export Citation:
Assignee:
ZHEJIANG DAHUA TECHNOLOGY CO (CN)
International Classes:
G01S3/80; G01S5/20
Foreign References:
| CN106125048A | 2016-11-16 | |||
| CN104535964A | 2015-04-22 | |||
| CN204788411U | 2015-11-18 | |||
| CN104777450A | 2015-07-15 | |||
| CN103630872A | 2014-03-12 | |||
| JP2004325284A | 2004-11-18 |
Other References:
See also references of EP 3469391A4
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