*1 MPEG-2: Moving Picture Experts Group-2 (A standard of coding high-quality video including HDTV, and it is used on DVDs and in digital television broadcasting services.) *2 CODEC: COder and DECoder. We will develop more economical CODEC systems and study the system configuration technology for future super-high-resolution video communications.
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This CODEC equipments, including a transcoder that can convert MPEG-2 streams into H.264, can be used in distribution transmission systems of next generation network (NGN) video services and in the professional broadcast infrastructures such as contribution transmission systems and interruption transmission systems. We also developed compact (postcard size) CODEC modules for various high-end and low-power CODEC systems. With these functions, SARA provides high image quality and low latency needed for broadcasting infrastructures.
Various functions optimized for H.264, such as advanced motion estimation/compensation, rate control algorithm, and pre-analysis processing, are implemented with our original LSI architecture technologies. SARA is the first CODEC chip set that can support the High 4:2:2 profile* 5 for broadcasting materials transmission.
To fill in this usage gap, we have developed a professional H.264 video CODEC* 2 chip set (SARA* 3 ) and HDTV* 4 CODEC equipments. Although several H.264 video cameras have already been put to practical use, they do not have the functions and performance necessary for professional broadcasting usage. Video data conforming to the H.264 video coding standard can be transmitted and recorded more efficiently than MPEG-2* 1 video data because H.264 enables twice as high a compression ratio as MPEG-2.
Contents H-SW-1 H-SW-2 H-SW-3 H-SW-4 Professional H.264 Video CODEC Systems for HDTV Broadband Infrastructures Scalable Wideband Speech Coding Standard, ITU-T G On-demand VPN (SIP Dial-up System) RedTacton New Human Area Networking Technology that Uses Humans as Transmission PathsĢ H.264 Video CODEC LSI Professional H.264 Video CODEC Systems for HDTV Broadband Infrastructures NTT Cyber Space Laboratories As high-definition video applications like terrestrial digital broadcasting become more popular, a need is arising for systems that can compress video data more efficiently than before.
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1 What's Hot in R&D Terminal, Software Technologies Terminal technologies for ubiquitous services and software technologies related to solution businesses.
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