Title:
ACOUSTIC PROCESSING DEVICE AND ACOUSTIC PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/183405
Kind Code:
A1
Abstract:
An acoustic processing device (1) comprises: a first filter coefficient calculation unit (31) that calculates a first filter coefficient while associating the first filter coefficient with a first gain inputted and set in each band by a user; a second filter coefficient calculation unit (32) that, if the value of a third gain in each band of the first filter coefficient is larger than the absolute value of a second gain set by the user, limits the value of the third gain in each band to the absolute value of the second gain and calculates a second filter coefficient; and a filter processing unit (35) that performs filter processing on an audio signal converted into a signal in a frequency domain using the second filter coefficient.
Inventors:
WATANABE TETSUO (JP)
HASHIMOTO TAKESHI (JP)
HASHIMOTO TAKESHI (JP)
Application Number:
PCT/JP2017/013072
Publication Date:
October 26, 2017
Filing Date:
March 29, 2017
Export Citation:
Assignee:
CLARION CO LTD (JP)
International Classes:
H03G9/00; H03G5/02; H03G9/02; H03H17/02
Domestic Patent References:
| WO2010041381A1 | 2010-04-15 |
Foreign References:
| JP2013065952A | 2013-04-11 | |||
| JP2002345075A | 2002-11-29 | |||
| JP2010212887A | 2010-09-24 | |||
| JP2000013158A | 2000-01-14 |
Other References:
See also references of EP 3444946A4
Attorney, Agent or Firm:
TONOMOTO, Motoki (JP)
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