System and method for interfacing a digital signal processor (DS

Details System and method for interfacing a digital signal processor (DS System and method for interfacing a digital signal processor (DS

1998-06-02

2000-02-22

Ray, Gopal C.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

710100, 379 8807, G06F 1300

Patent

active

060292210

ABSTRACT:
An audio bus interface system and method interfaces a plurality of digital signal processing devices to an audio bus to facilitate variable processing loading on the DSPs. The audio bus contains frames with synchronization data. The system utilizes a programmable interrupt controller for each digital signal processing unit. The programmable interrupt controller controls the rate at which a given DSP can be interrupted. The respective digital signal processor controls the programmable interrupt controller to maximize its throughput. Also, an audio format translator allows differing audio format protocols to be processed by the same audio DSP.

REFERENCES:
patent: 5481727 (1996-01-01), Asano et al.
patent: 5497373 (1996-03-01), Hulen et al.
patent: 5753841 (1998-05-01), Hewitt
patent: 5854908 (1998-12-01), Ogilvie et al.
patent: 5872565 (1999-02-01), Greaves et al.

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