Digital signal processing apparatus and digital signal...

Details Digital signal processing apparatus and digital signal... Digital signal processing apparatus and digital signal...

2007-11-20

2007-11-20

Tran, Sinh (Department: 2615)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Digital audio data processing system

C381S056000, C712S028000

Reexamination Certificate

active

10448067

ABSTRACT:
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.

REFERENCES:
patent: 6104721 (2000-08-01), Hsu
patent: 6275899 (2001-08-01), Savell et al.
patent: 2002/0082716 (2002-06-01), Hashimoto et al.

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