Digital signal processing apparatus and digital signal processing method

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United States of America Patent

PATENT NO 7299100
APP PUB NO 20030225468A1
SERIAL NO

10448067

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Herein disclosed is a digital signal processing apparatus comprising: input means for inputting a plurality of acoustic signals from an external outputting device; a plurality of digital signal processing units electrically connected with one another in series to form a closed loop, for receiving and processing said acoustic signals as shared data elements in a sequential order; and output means for outputting a plurality of acoustic data elements processed and generated by said digital signal processing units to an external inputting device, whereby each of said digital signal processing units comprises: receiving means for receiving said shared data elements from a preceding digital signal processing unit; copied data storing means for copying said shared data elements to a shared memory section; acoustic signal processing means for inputting said shared data elements stored in said shared memory section as an input signal, processing said shared data elements thus inputted, and writing an output signal into said shared memory section as shared data elements; transmitting data storing means for storing shared data elements stored in said shared memory section into a transmitting memory; and transmitting means for transmitting said shared data elements stored in said transmitting memory to a subsequent digital signal processing unit.

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Patent Owner(s)

Patent OwnerAddress
MATSUSHITA ELECTRIC INDUSTRIAL CO LTDOSAKA JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Ryoji Kanagawa-ken, JP 37 246

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