Title:
TIME DELAY ESTIMATION APPARATUS AND TIME DELAY ESTIMATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2015/182936
Kind Code:
A1
Abstract:
The present invention relates to a time delay estimation apparatus. The time delay estimation apparatus of the present invention comprises: an acoustic signal detection unit for detecting acoustic signals through a plurality of microphones; a frequency domain conversion unit for converting the detected acoustic signals into signals of a frequency domain; and a time delay estimation unit for estimating a time delay on the basis of a slope of a phase difference between the acoustic signals converted into the frequency domain.
Inventors:
KWON HYU-SANG (KR)
CHO WANHO (KR)
CHO WANHO (KR)
Application Number:
PCT/KR2015/005206
Publication Date:
December 03, 2015
Filing Date:
May 22, 2015
Export Citation:
Assignee:
KOREA RES INST OF STANDARDS (KR)
International Classes:
G01S3/808
Foreign References:
| KR20080013734A | 2008-02-13 | |||
| JP2003337164A | 2003-11-28 | |||
| JP2007298503A | 2007-11-15 | |||
| JP2000235063A | 2000-08-29 |
Attorney, Agent or Firm:
KORYO IP & LAW (KR)
특허법인 고려 (KR)
특허법인 고려 (KR)
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