Invention Grant
- Patent Title: Sound field controlling apparatus
- Patent Title (中): 声场控制装置
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Application No.: US11522068Application Date: 2006-09-14
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Publication No.: US08098841B2Publication Date: 2012-01-17
- Inventor: Shinichi Sawara , Akira Miki , Atsuko Ito
- Applicant: Shinichi Sawara , Akira Miki , Atsuko Ito
- Applicant Address: JP Hamamatsu-shi
- Assignee: Yamaha Corporation
- Current Assignee: Yamaha Corporation
- Current Assignee Address: JP Hamamatsu-shi
- Agency: Morrison & Foerster LLP
- Priority: JP2005-267181 20050914
- Main IPC: H04R27/00
- IPC: H04R27/00 ; H04R15/00

Abstract:
A sound field controlling apparatus for a public-address system comprises a microphone that picks up a sound of a speaker, a loudspeaker that sound a sound signal based on the sound picked up by the microphone, a sound source position detector that detects a position of a sound source, and a signal processor that controls a level, delay time and equalizing property of the sound signal output to the loudspeaker in accordance with the sound source position detected by the sound source position detector.
Public/Granted literature
- US20070058820A1 Sound field controlling apparatus Public/Granted day:2007-03-15
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