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Title:
SOUND MASKING DEVICE, SOUND MASKING SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/162929
Kind Code:
A1
Abstract:
A sound masking device (100) has an acquisition unit (120), a generation unit (140), and an output control unit (160). The acquisition unit (120) acquires a maskee sound signal, which is a signal of a maskee sound that was inputted to a microphone (200). On the basis of the maskee sound signal, the generation unit (140) generates a reverberation sound signal, which is a signal of a reverberation sound of the maskee sound. The output control unit (160) provides control such that a reverberation sound that is based on the reverberation sound signal is outputted from a speaker (106).

Inventors:
HOSOYA KOSUKE (JP)
KIMURA MASARU (JP)
KAMEKAWA TORU (JP)
MARUI ATSUSHI (JP)
Application Number:
PCT/JP2021/003476
Publication Date:
August 04, 2022
Filing Date:
February 01, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
TOKYO UNIV OF THE ARTS (JP)
International Classes:
G10K11/175
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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