In developing its IPTV protocols, Penstar utilizes and complies with the AVS encoding and decoding standard, which is currently the most established and favored video compression technology in China. AVS standard supports a comparatively high compression rate, thus enables fast media data transfer. For end-product video of same quality, AVS achieves a compression rate that is roughly twice that of current MPEG-2 provides. Applying AVS standard in media data compression requires less bandwidth therefore making it an ideal and economical solution for content delivery.

Penstar's AVS video IC decoder is capable of decoding both AVS and MPEG-2 video streams and is designed for IPTV set-top box that supports both AVS and MPEG-2 standards.

AVS 1.0 DS1000 STB main features:

• Support trick modes, fast forward/backward
• Support multiple video format scaling
• Support AVS/MPEG-2 video standard, automatically switch between them
• Support multiple video format (D1、CIF etc)
• Support multiple audio standard output
• Plug and play, easy for install and setup
• Easy update
• Friendly API interface
• easy for integrating and supporting various extension application developments
• Support various video server
• middleware and content protection solutions

System diagram