Title:
SIGNAL PROCESSING DEVICE, TELECONFERENCING DEVICE, AND SIGNAL PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/229821
Kind Code:
A1
Abstract:
A signal processing device is provided with a first microphone, a second microphone and a signal processing unit. The signal processing unit performs echo removal processing for at least one of a collected sound signal of the first microphone and a collected sound signal of the second microphone, and determines, using signals after echo has been removed by the echo removal processing, a correlated component between the collected sound signal of the first microphone and the collected sound signal of the second microphone.
Inventors:
KAWAI TETSUTO (JP)
KANAMORI KOHEI (JP)
INOUE TAKAYUKI (JP)
KANAMORI KOHEI (JP)
INOUE TAKAYUKI (JP)
Application Number:
PCT/JP2017/021616
Publication Date:
December 20, 2018
Filing Date:
June 12, 2017
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
H04R3/02; H04R3/00
Domestic Patent References:
| WO2009104252A1 | 2009-08-27 | |||
| WO2014024248A1 | 2014-02-13 |
Foreign References:
| JP2015070291A | 2015-04-13 | |||
| JPS63262577A | 1988-10-28 | |||
| JP2013061421A | 2013-04-04 | |||
| JP2014229932A | 2014-12-08 | |||
| JP2009049998A | 2009-03-05 |
Other References:
See also references of EP 3641337A4
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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