Sound reproduction apparatus and method of enhancing low...

Electrical audio signal processing systems and devices – Binaural and stereophonic

Reexamination Certificate

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C381S061000

Reexamination Certificate

active

08009834

ABSTRACT:
A sound reproduction apparatus and method enhances a low frequency component in a reproduced sound signal using a reflective sound. The sound reproduction apparatus delays and controls gains of input signals, generates a predetermined number of reflective sound signals to enhance a low frequency component, and outputs a sum of reflective sound signals with the enhanced low frequency component.

REFERENCES:
patent: 2920138 (1960-01-01), Fogel
patent: 3970787 (1976-07-01), Searle
patent: 5123050 (1992-06-01), Serikawa et al.
patent: 5371799 (1994-12-01), Lowe et al.
patent: 5740253 (1998-04-01), Takeuchi
patent: 5999630 (1999-12-01), Iwamatsu
patent: 6108430 (2000-08-01), Kurisu
patent: 6307941 (2001-10-01), Tanner, Jr. et al.
patent: 6721426 (2004-04-01), Kurisu et al.
patent: 41 02 078 (1991-07-01), None
patent: 63-202200 (1988-08-01), None
patent: 2001-189999 (2001-07-01), None
patent: 1997-58321 (1997-07-01), None
patent: 2003-0076332 (2003-09-01), None
Dutch Search Report dated Mar. 3, 2008 issued in NL 1032460.
Korean Office Action dated Aug. 18, 2006 issued in KR 2005-84239.

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