Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate
2007-06-26
2007-06-26
Tran, Sinh (Department: 2615)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Digital audio data processing system
C381S119000
Reexamination Certificate
active
09939048
ABSTRACT:
A signal processing apparatus includes a decoder for decoding a stream signal so as to generate a digital audio signal of a low frequency effect channel and digital audio signals of first through n'th (n≧2) channels; an adder section for adding the digital audio signal of the low frequency effect channel and the digital audio signal of a specified channel among the first through n'th channels, so as to generate an addition signal; an n number of D/A conversion sections for converting the digital audio signals of the first through n'th channels, excluding the digital audio signal of the specified channel, and the addition signal into n types of analog audio signals; a first signal processing section for generating a digital audio signal of the low frequency effect channel; and a second signal processing section for generating an analog audio signal of the specified channel.
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patent: 5727067 (1998-03-01), Iwamatsu
patent: 6052470 (2000-04-01), Mouri
patent: 6381333 (2002-04-01), Suzuki
patent: 6757659 (2004-06-01), Tanaka et al.
patent: 10-210600 (1998-07-01), None
Abe Kazutaka
Fujita Takeshi
Katayama Takashi
Kawamura Akihisa
Matsumoto Masaharu
Flanders Andrew C
Matsushita Electric - Industrial Co., Ltd.
Renner, Otto, Boiselle & Sklar, LLP.
Tran Sinh
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