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Video chip allows low-cost video streaming

Posted: 02 Jun 2011 ?? ?Print Version ?Bookmark and Share

Keywords:video processor? video streaming? universal wireless?

Cavium Networks has unveiled the PureVu CNW66xx, its latest line of SoC video processors for universal wireless display receivers.

According to Cavium, the processor supports a wide range of home networking and wireless video transmission protocols including its WiVu WiFi Alliance 802.11-based wireless display standard (WFD) and DLNA.

Touted as flexible, low-cost and high-performance the PureVu CNW66xx line expands Cavium's wireless display product portfolio.

Unlike the CNW5xxx family, which targets the high-end, fully interactive, 2D and 3D home theater solutions, the CNW66xx processors are designed for very low-cost video streaming wireless display receivers found in portable consumer devices with built-in wireless display functionality. These include portable CE devices such as smartphones, tablets and notebook computers running a software client to enable seamless wireless connectivity with Cavium's CNW66xx based receivers.

The CNW66xx offers up to 1080p performance, a level that exceeds the requirements of most software transmit solutions.

With the CNW66xx, Cavium believes that OEMs will now be able to build a single wireless display adapter that can work with various video and networking protocols. The processor also provides a wireless display link with a wide range of popular portable devices in the market today, according to Cavium.

The processor's key features include multiformat video processing engine capable of decoding up to 1920x1080 p30/i60 resolutions for a wide range of video standards including MPEG2, H.264, MPEG4, AVS, VC-1, and MJPEG; ARM CPU core; programmable audio DSP with advanced DMA functionality to enable real time decoding of popular audio standards including MP3, AAC, and AC3; display processor with multilayer alpha compositor, 2D graphics layer with color key and programmable screen locations, and video layer with 16:9 to 4:3 conversion, letterboxing, pre-scan, and up/down scaling; and video post-processor with 3D motion adaptive de-interlacer and high quality polyphase FIR video scaler.

PureVu CNW66xx system interface features 4 video DACs for YPbPr/RGB, S-video, and CVBS output; integrated HDMI 1.3 transmitter, with DVI support; integrated TV encoder supporting both Standard Definition and High Definition video; I2S and S/PDIF digital audio output; 10/100Mbps Ethernet (MII interface); USB 2.0 high speed host controller (with embedded PHY); and Misc I/O including UART, SPI, I2C, and GPIOs.





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