Cirrus Integrates CobraNet into Digital Audio Networking Processor

3/22/2004 - The Commercial Audio Products business of Cirrus Logic Inc. (Nasdaq: CRUS), has announced the availability of the CS18101 digital audio networking processor, a new generation of Cirrus Logic CobraNetTM technology. The CS18101 is the first release of CobraNet technology integrated into a microprocessor. CobraNet technology is the professional audio industry’s de facto standard technology for distributing uncompressed, real-time, digital audio over a Fast Ethernet network.

Capable of handling eight bidirectional audio channels, the new CS18101 is ideal for use in powered speakers, power amplifiers and signal processing devices. The CS18101 will allow manufacturers to embed CobraNet technology, previously available only through the use of design using discrete components, into a wider range of audio devices due to the great reduction in parts costs compared to the original reference design.

Washington-based Symetrix introduced and is currently demonstrating four new DSP audio backbone products — the Express 12X4 Cobra, Express 4X12 Cobra, Express 8X8 Cobra, and Express 4X4 Cobra — at the 2004 NSCA Convention. These new Symetrix products, which feature the CS18101 chip, target commercial audio applications.

“We are pleased to see a leading manufacturer, Symetrix, showcase new products based upon the CS18101 networking processor,” said Rich Zwiebel, vice president of Commercial Audio Products, Cirrus Logic. “There are currently 42 licensees of CobraNet technology, and now that we’ve integrated the technology into silicon, commercial audio system manufacturers are able to offer the CobraNet technology in lower-cost products. This opens entire new market segments to the power, performance and flexibility of CobraNet technology utilized across Ethernet networks.”

Along with the CS18101, Cirrus is now shipping the CM-2 module, which utilizes the CS18101 and is the same size as and electrically compatible with the original CobraNet reference design, the CM-1 module. Manufacturers will be able to adapt the new lower-cost module seamlessly for use in products with up to eight inputs and eight outputs. CobraNet technology is being utilized in many diverse venues including the Indianapolis Motor Speedway, Sydney Opera House, convention centers in San Jose and Portland, Oregon, Christ Church of the Valley in Phoenix and several of the world’s largest theme parks and major sporting events venues.

The CS18101 and CM-2 are currently sampling to key customers with expected volume production in Q2 2004.

Cirrus Logic Inc.
Cirrus Logic is a premier supplier of high-performance analog, mixed-signal and digital processing solutions for consumer entertainment electronics, automotive entertainment and industrial product applications. Building on its global market leadership in audio ICs and its rich mixed-signal patent portfolio, Cirrus Logic targets audio, video and precision mixed-signal applications in these growing markets. The company operates from headquarters in Austin, Texas, with offices in California, Colorado, Europe, Japan and Asia.

Cirrus Logic and Cirrus are trademarks of Cirrus Logic Inc.

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