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Cirrus Logic DSPs eye AVR, entertainment markets

Posted: 26 Jan 2004 ?? ?Print Version ?Bookmark and Share

Keywords:cirrus logic? cs49500? digital signal processor? dsp? cs49520?

Cirrus Logic Inc. has introduced the CS49500 family of multi-channel audio digital signal processors (DSPs) that are targeted for the audio/video receiver (AVR) and other digital entertainment markets.

The CS49500 family relies on dual 32-bit DSP cores, optimized for audio, with dual multiply-and-accumulate (MAC) units and 72-bit accumulators, to deliver up to 1,440MOPS for advanced decoding and robust 96kHz multichannel post processing. Without requiring any external RAM, the product can support all industry-standard decoding algorithms, such as Dolby Digital-Pro Logic IIx, DTS-ES 96/24 with THX and other advanced post-processing. It has enough ROM to store all mainstream application codes and also supports extension to future algorithms via external download of code into RAM.

The highlight of the CS49500 family is the CS49520 dual decoder, which can simultaneously decode DTS and Dolby Digital or AAC and Dolby Digital. The dual core architecture can operate as two separate 32-bit DSPs with different clock domains.

Raghunath Rao, director of Audio Video Systems Marketing, said, "The CS49500 family is easy to design and customize, because we offer a complete solution that includes a reference system design with a modular software framework, an optimized library of algorithms, programming tools and extensive customer support."

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