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Telairity's H.264 video encoder delivers 55.5GOP/s performance

Posted: 23 Sep 2005 ?? ?Print Version ?Bookmark and Share

Keywords:telairity semiconductor? high-definition? hd? h.264? video encoder?

Telairity Semiconductor's high-definition (HD) H.264 video encoder is based on the telairity-1 processor architecture, which has been developed specifically for broadcast-quality HD applications.

At a clock rate of 668.25MHz, or nine times the 74.25MHz 20bit video standard, the T1P2000 chip achieves a total sustained chip performance of 55.5GOP (Giga operations) per second. Where a general-purpose, 600MHz to 1GHz DSP-based real-time H.264 encoder implementation would require 18 to 32 DSPs and six or more FPGAs, the Telairity-1/AVClairity solution requires only four to eight Telairity video processors and one small FPGA to achieve equivalent bit rates and quality, added the company.

Telairity-1 architecture

Specifically designed for HD video compression compliant with the H.264 standard, Telairity-1 delivers all the computational horsepower of a programmable multicore processor with five independent vector/scalar cores, a video controller and a DRAM controller supporting a 5.3GBps I/O bandwidth. AVClairity maximizes the performance of Telairity-1 in AVC H.264 encoding applications by fully utilizing the strong capabilities of the Telairity-1 instruction set and the immense parallelism built into a multi-pipe vector processor.

"There is strong demand for infrastructure equipment that can support high-definition video for satellite, cable, and over-the-air broadcasting, as well as for IPTV services," said Howard Sachs, president and CEO of Telairity. "But the ability to support real-time, high-definition video processing is compounded by two challenges: HD video has six times as much data as standard definition (SD) video, and the next-generation AVC (H.264) video compression standard is at least four times as computationally intensive as the MPEG-2 compression standard. Telairity-1 and AVClairity were designed from the ground up to meet these challenges as the H.264 encoding engines for next-generation broadcast encoders, video servers, and video edit and authoring systems."

The company provides two development platforms. The T1P2000EP Evaluation Platform provides software developers and architects a tool to evaluate the exceptional performance of the Telairity-1 architecture and develop their proprietary video software, while the T1P2000DP Encoder Development Platform is targeted specifically at OEMs developing encoder solutions based around Telairity's AVClairity technology.

The company is currently sampling the Telairity-1 T1P2000 video processor and is also shipping the T1P2000EP Evaluation Platform. Telairity will begin sampling its first complete hardware/software H.264 encoding solution and the T1P2000DP Development Platform in Q1 2006.

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