Invention Grant
- Patent Title: Array microphone and sound collection method
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Application No.: US17091003Application Date: 2020-11-06
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Publication No.: US11297419B2Publication Date: 2022-04-05
- Inventor: Takashi Yamakawa , Yuji Ikegaya
- Applicant: YAMAHA CORPORATION
- Applicant Address: JP Hamamatsu
- Assignee: YAMAHA CORPORATION
- Current Assignee: YAMAHA CORPORATION
- Current Assignee Address: JP Hamamatsu
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JPJP2018-200307 20181024
- Main IPC: H04R1/40
- IPC: H04R1/40 ; G10L21/0208 ; H04M9/08 ; H04R3/00 ; G10L21/0216
Abstract:
A sound collection method and a microphone array estimate at least one sound source direction and form a plurality of sound collection beams in the estimated plurality of sound source direction, using sound collection signals of a plurality of microphones. The number of sound source directions estimated is smaller than the number of sound collection beams formed.
Public/Granted literature
- US20210058700A1 ARRAY MICROPHONE AND SOUND COLLECTION METHOD Public/Granted day:2021-02-25
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