Title:
SOUND SIGNAL MIXING DEVICE AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/066373
Kind Code:
A1
Abstract:
In the present invention, a mixing device has a K-th speaker-set processing means corresponding to each speaker set consisting of two speakers among N speakers, and the K-th speaker-set processing means has a processing means provided so as to correspond to each set of microphones and serving to output a first sound signal and a second sound signal. The mixing device adds up the first sound signals output by the processing means and adds up the second sound signals output by the processing means, and outputs signals for driving the speakers of the corresponding speaker set. Each processing means processes sound signals output by the two microphones of the corresponding microphone set on the basis of a scaling coefficient for determining the scaling ratio of a sound field, a shift coefficient for determining a shift amount of the sound field, and an attenuation coefficient for determining the amount of attenuation of a sound signal output by each microphone.
Inventors:
HORIUCHI TOSHIHARU (JP)
Application Number:
PCT/JP2019/032668
Publication Date:
April 02, 2020
Filing Date:
August 21, 2019
Export Citation:
Assignee:
KDDI CORP (JP)
International Classes:
H04R3/00; H04S5/02
Foreign References:
| JP2003169399A | 2003-06-13 | |||
| JP2006033501A | 2006-02-02 | |||
| JP2019068210A | 2019-04-25 |
Other References:
HORIUCHI, TOSHIHARU: "Sound image localization based on spectral modification between multiple channels", PROCEEDINGS OF THE 2017 ITE ANNUAL CONVENTION, 2017
Attorney, Agent or Firm:
OHTSUKA, Yasunori et al. (JP)
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