Dereverberation method, apparatus, and program for...

Details Dereverberation method, apparatus, and program for... Dereverberation method, apparatus, and program for...

2006-11-10

2011-12-06

Smoot, Stephen W (Department: 2813)

Electrical audio signal processing systems and devices

Dereverberators

C381S094100, C381S094200, C381S063000, C381S061000, C379S406010, C370S286000

Reexamination Certificate

active

08073147

ABSTRACT:
A dereverberation device includes a reverberation estimation unit for estimating a later reflection component by using information on an impulse response from a signal source to an observation point, a noise estimation unit, and a mixing unit. As a result, it is possible to obtain a high-quality dereverberated signal with a small calculation amount even in a noisy environment.

REFERENCES:
patent: 2003/0076947 (2003-04-01), Furuta et al.
patent: 2004/0049383 (2004-03-01), Kato et al.
patent: 2002-204175 (2002-07-01), None
patent: 2003-131689 (2003-05-01), None
patent: 2003-140700 (2003-05-01), None

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