Envivio 4Caster HD3 HD encoding system
Envivio is shipping 4Caster HD3, a real time, high definition (HD) encoding system. It provides video at a flexible range of target bit rates between 6 and 12 Mbps.
The system compresses content for immediate distribution to air or can save files to an onboard hard drive for VOD (video on demand) content creation. 4Caster HD3 implements advanced MPEG-4 AVC/H.264 features, enabling telcos to deploy HDTV on their existing network infrastructure. The constant bit rate (CBR) implementation maintains the steady stream rates required for efficient video delivery over IPTV networks, according to the folks at Envivio. The system also provides capped variable bit rate (VBR) encoding for multi-channel broadcast applications.
4Caster HD3 supports the Pure IP transport mechanism, a structure for video over IP applications. It also supports MPEG-2 Transport Stream (TS) over IP for integration with traditional infrastructures. 4Caster HD3 also features a one rack unit (1RU) form factor, remote web-based system control, and compression support for 720p and 1080i broadcast content.
