Title:
収音装置および収音方法
Document Type and Number:
Japanese Patent JP6849055
Kind Code:
B2
Abstract:
A sound pickup device includes a level control portion. The level control portion, according to a ratio of a frequency component of which a correlation between a first sound pickup signal to be generated from a first microphone and a second sound pickup signal to be generated from a second microphone exceeds a threshold value, performs level control of the first sound pickup signal or the second sound pickup signal.
Inventors:
Kawai Chosen
Muramatsu Mikio
Takayuki Inoue
Ukai Norifumi
Muramatsu Mikio
Takayuki Inoue
Ukai Norifumi
Application Number:
JP2019506958A
Publication Date:
March 24, 2021
Filing Date:
March 22, 2018
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
H04R3/00; G10L21/0208; H04R1/40
Domestic Patent References:
| JP20095133A | ||||
| JP1118193A | ||||
| JP667691A | ||||
| JP201642613A | ||||
| JP2010232717A | ||||
| JP2004289762A |
Foreign References:
| WO2009044562A1 |
Attorney, Agent or Firm:
Kaede International Patent Office