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Fremont, Calif. - Cirrus Logic Inc. has introduced its long-awaited MPEG-1 video-decoder chip designed for personal-computer applications. The low-gate-count chip employs CompCore Multimedia's MPEG-1 video core, which Cirrus Logic licensed more than a year ago.
Designated the CL-GD5520, the graphics-chip giant's first MPEG chip features PCI bus mastering, VESA Advanced Feature Connector (VAFC) video output, and an integrated color space converter, providing a glueless MPEG solution for multimedia PCs that requires no additional video windowing devices or bus-interface chips.
Unlike currently available MPEG-1 decoder ICs that often have both audio and video decoding functions integrated into a single chip, the CL-GD5520 does not feature an MPEG-1 audio-decoding function.
The omission of an MPEG audio decoder on Cirrus's offering, is intentional, according to Saul Altabet, marketing manager of entertainment graphics at Cirrus.
"Our chip is not a point solution. It's a scalable solution," he said. By...