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Title:
Multi-beam sound system
Document Type and Number:
Japanese Patent JP5913340
Kind Code:
B2
Abstract:
A multi-beam sound system includes a fixed beamforming section which steers the input signal inputted from the microphone array to an intended direction, a blocking matrix which receives the input signal and acquires a noise reference signal from the input signal, a variable beamforming section which acquires an adaptive noise signal from the noise reference signal outputted from the blocking matrix, and a generalized sidelobe canceller (GSC) which includes canceling means for outputting an object signal from the input signal outputted from the fixed beamforming section by removing the adaptive noise signal from the input signal. The fixed beamforming section steers the input signal in at least two directions.

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Inventors:
Kim Seung
Application Number:
JP2013536536A
Publication Date:
April 27, 2016
Filing Date:
October 31, 2011
Export Citation:
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Assignee:
Mighty Works
International Classes:
H04R3/00; G10L15/20; G10L21/0208; G10L21/0224; H04R1/40; H04R3/02
Domestic Patent References:
JP2010091912A
JP2001100800A
JP2006101499A
JP11052977A
JP2007290691A
JP2007018293A1
Attorney, Agent or Firm:
Kumiko Yamada



 
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