Title:
NOISE SUPPRESSION DEVICE, NOISE SUPPRESSION SYSTEM, NOISE SUPPRESSION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/140274
Kind Code:
A1
Abstract:
Provided is, inter alia, a noise suppression device with which it is possible, in a case in which a noise suppression device is installed with respect to each area such as a seat in a single moving body such as a train or an aircraft, to increase the suppression performance so as to be higher than that of conventional noise suppression devices without increasing the size of, or complicating, each of the devices. The noise suppression device performs active noise control. The noise suppression device has suppression information, which relates to noise suppression, that is shared with a noise suppression device that is disposed within the same moving body and that corresponds to a reference microphone different from a reference microphone of this noise suppression device, the noise being suppressed using the common suppression information.
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Inventors:
KOZUKA SHIHORI (JP)
KAMADO NORIYOSHI (JP)
ITO HIROAKI (JP)
WAKISAKA YOHEI (JP)
MURATA SHIN (JP)
KAMADO NORIYOSHI (JP)
ITO HIROAKI (JP)
WAKISAKA YOHEI (JP)
MURATA SHIN (JP)
Application Number:
PCT/JP2023/001284
Publication Date:
July 27, 2023
Filing Date:
January 18, 2023
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G10K11/178
Domestic Patent References:
| WO2017170321A1 | 2017-10-05 |
Foreign References:
| JP2018530772A | 2018-10-18 | |||
| JP2020203643A | 2020-12-24 |
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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