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Network multimedia coprocessor is video codec agnostic

Posted: 27 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Standard Microsystems? LAN9131? coprocessor? RipStream? network multimedia?

Aimed at network-enabled HDTV, STBs, digital video recorders and home media servers, Standard Microsystems Corp. has released the LAN9131 network multimedia coprocessor based on RipStream technology that combines support of multiple high-definition (HD) A/V streams, software protocol stack management and security.

The LAN9131 is video codec agnostic, supporting MPEG2, MPEG4, WMV9/VC-1 and H.264/AVC standards. It provides A/V streaming over Ethernet with support for multiple HD streams, as well as support for UPnP protocols, including HTTPU, HTTPMU, GENA, SOAP, XML and SSDP.

It is said to be the only wired Ethernet coprocessor that supports Digital Living Network Alliance (DLNA) guidelines.

The LAN9131 interfaces to most 32bit and 16bit embedded CPU buses, and integrates a 10/100 Ethernet Mac/PHY.

The LAN9131 leverages the 32bit ARM926 core to offload the main SoC's high TCP/IP processing burden while supporting multiple HD A/V streams with what the company claims are the fastest Fast Ethernet data rates available. The main SoC can now partition out CPU intensive networking, interoperability and content-protection functions to the LAN9131 coprocessor, allowing the SoC to focus its finite resources on core multimedia and user interface applications.

Additional offloading from the main SoC is achieved through two dedicated bi-directional Transport Stream Interfaces (TSIs), enabling the LAN9131 multimedia coprocessor to assign both audio and video packets without interfering with the main SoC's system bus.

The LAN9131 is already sampling with production volumes expected in Q1 2007. Pricing for LAN9131 is expected to be in the sub-$18 range per unit in OEM quantities.

- Ismini Scouras

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