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Low cost video processor for DVRs

Texas Instruments : 16 April, 2007  (New Product)
Techwell and TI have developed a DaVinci based digital video processor for use by OEMs in creating low cost DVR systems.
Bringing more flexibility and features to low-end video security applications, Texas Instruments Incorporated (TI) and Techwell have collaborated to create technology for low-cost Digital Video recorder (DVR) security systems. The solution, which combines TI's TMS320DM6446 Digital Video processor based on DaVinci technology with the four-channel video and audio controller from Techwell, will help manufacturers of video security systems realize the implementation of their next generation, low-cost DVR products.

"Techwell is pleased to collaborate with TI on the development of this video security technology," said Tom Krause, director of business development, Techwell. "Our demonstration proves how robust an inexpensive DVR security system can be, by combining Techwell's TW2835 with TI's DM6446 DaVinci technology."

The DVR security demo provides a basis for the development of security applications using video recording and multiple camera sources. The demo is based on TI's high-performance DM6446 digital media processor, which adapts TI's industry-leading digital signal processing technology to the data-intensive requirements of video applications. The demo connects the DM6446 evaluation module (EVM) to Techwell's TW2835 Video and Audio decoder, which produces four channels of video output at CIF resolution (352×288 pixels). In order to minimize bandwidth and storage requirements, each channel is compressed using the MPEG-4 algorithm at 30 frames per second. The TW2835 multiplexes the four channels as an input for the DM6446, which reads and processes the information through a single, high-speed video port.

"The TI-Techwell demo ensures OEMs that they can build their next-generation, low-cost DVRs with extended Digital Video security functionality," said Danny Petkevich, video security business manager, TI. "The high performance of the DM6446 digital media processor enables them to design multiple-source video and recording systems quickly and cost-effectively."

The DM6446 processor makes use of DaVinci technology to meet the networked media encode and decode application processing needs of embedded devices. Tuned for video encode and decode applications, the DM6446 adds video encoding capabilities through a dedicated video processing front end capable of capturing various Digital Video formats. The processor enables manufacturers to quickly bring to market devices featuring robust operating systems support, rich user interfaces, high processing performance and long battery life through the maximum flexibility of a fully integrated mixed processor solution.

DaVinci technology from TI makes the next generation of Digital Video and audio end-equipment applications possible. The portfolio of products based on DaVinci technology includes processors, software, tools and support, addressing Digital Video requirements across a range of applications.
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