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STB IC supports latest video compression techs

Posted: 09 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:MPEG-4? AVC? STB? digital cable? Broadcom?

Broadcom Corp. has announced what it claims is the first advanced digital cable STB chip that includes support for DOCSIS/EuroDOCSIS 2.0 cable modem specifications, as well as downstream channel bonding compatible with the upcoming DOCSIS 3.0 specification. Broadcom's BCM7118 single-chip silicon solution supports the latest video compression technologies, including AVC, which is the ITU and ISO joint standard, MPEG-4, part 10) and VC-1 (the SMPTE standard), and combines the features of channel bonding with powerful security enabling multiple system operators (MSOs) to provide new Internet-based IP and more secure video services to consumers.

Downstream channel bonding
The new cable STB chip enables MSOs to use DOCSIS 2.0 for high-speed, two-way set-top communications, including IP video services. To support high-speed cable STB communications, the chip includes downstream channel bonding, which combines several DOCSIS channels together to significantly increase data rates when compared to cable modem solutions.

The BCM7118 incorporates downstream channel bonding, enabling cable STBs to support present and future MSO requirements, as defined by the industry developed Next Generation Network Architecture (NGNA) guidelines. By moving to a DOCSIS-based platform for voice, video and data, MSOs operating costs can be decreased while enabling their networks to support richer interactive services, switched or broadcasted IP video delivery, as well as other IP voice and data services. At the same time, the BCM7118 will enable the development of cost-effective cable STBs that provide superior performance and consumer-friendly features, while featuring embedded security with unprecedented levels of content protection.

Sophisticated security features
The BCM7118 also features an integrated Broadcom secure processor (BSP), which provides very sophisticated security features to protect high-value content and to prevent STB tampering. Using distinctive multilayered security, the BCM7118 integrates hardware and software that performs content security functions in a highly protected environment on-chip, effectively providing a tamper-proof barrier for video and audio content. Moreover, each chip is programmed by Broadcom with a permanent unique identification and configuration that forms the foundation for specific conditional access systems, decryption key processing, key management and system protection that includes the forthcoming downloadable security system.

The BCM7118 is sampling to early access customers.

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