Conexant launches next-generation A/V decoder

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Conexant Systems Inc. announced today that it will introduce the next generation of audio/video (A/V) decoders for PC TV devices and consumer electronics for digital TVs, set-top boxes, DVD recorders and Windows Media Center Edition Personal computer. CX25845 An integrated A/V decoder with a 3D comb filter that improves the picture quality of industry-standard NTSC and PAL-based broadcast video programs. The product integrates the functionality of a multi-format video decoder, 3D comb filter and global broadcast audio decoder into a cost-effective package. The high level of integration of the decoder with the memory reduces the number of external components required, the overall board area and raw material costs.

Lewis Brewster, vice president and general manager of Conexant's broadband media processing business, said: "Conexant's latest decoders break through the barriers of broadcast audio and video, significantly improving the picture quality of consumer products such as digital TVs and personal computers. Integrating three separate chip functions into one package helps our customers streamline the design process and reduce overall system cost."

The A/V decoder converts analog signals to digital format, providing a solution for displaying analog audio and video content on flat-panel TVs, set-top boxes, personal video recorders, multimedia PCs and other user devices. The 3D comb filter separates the black and white picture information from the color information in the composite video signal. The product uses multi-frame video stored in an integrated memory to determine which image areas should be processed as black and white (brightness) and which should be processed as color (chrominance) information. This will provide users with more beautiful and clear high quality video.

Additional features include integrated Synchronous Dynamic Random Access Memory (SDRAM) to help pin-to-pin compatibility with Conexant's previous generation CX25480/1/2/3 series. This will give manufacturers a flexible, single-chip solution for multiple product lines to ensure an easy transition to new devices.

Samples of the CX25845 are currently available and will be available in volume production in February 2007. The chip is available in an 80-pin bare thin quad flat (ETQFP) lead-free package and is priced at $8 each.

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