Computer system and method having a dedicated multimedia engine

Details Computer system and method having a dedicated multimedia engine Computer system and method having a dedicated multimedia engine

1995-09-11

1997-11-25

Coleman, Eric

395281, G06F 1300

Patent

active

056922116

ABSTRACT:
The present invention comprises a computer system and method optimized for real-time applications which provides increased performance over current computer architectures. The system includes a dedicated multimedia engine and dedicated multimedia memory coupled directly to the main memory. The computer system includes a data path to the main memory and the multimedia memory, and includes a separate command path to the multimedia engine. In one embodiment, the CPU includes a separate command path through the chipset logic to the multimedia engine. In an alternate embodiment, the CPU includes a separate command path to the multimedia engine through the PCI bus. In this alternate embodiment, the multimedia engine includes a PCI interface which couples to the PCI bus. The multimedia engine executes commands and data from the multimedia memory to perform a number of real-time operations, including audio and video functions, as well as others. Thus the computer system of the present invention provides greater performance for real-time applications than prior systems.

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Kettler, Kevin A. and Jay K. Strosnider, "Scheduling Analysis of the MicroChannel Architecture for Multimedia Applications," Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA, May 1994, pp. 403-414.
PCI Local Bus--PCI Multimedia Design Guide--Revision 1.0--Mar. 29, 1994, 43 pages.

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