Our Multi-Channel H.264 /H.265 HD Encoder features high performance, ultra-low latency and low bit rates for DTV systems, and adopts state-of-the-art compression technology (H.264/AVC-H.265/HEVC) to achieve compression efficiency of the former MPEG-2 standard by over two times, as well as excellent resolution. Also audio encoding supports MPEG-1 Layer2. The device provides input interfaces of 4/8/12/16/20/24 HDMI, and ASI output and 4/8/12/16/20 /24*SPTS/4*MPTS TSoIP(UDP/IP) output after loss-less compression processing. The unique empty packets filtering capability enables the spectrum source to be saved for IPTV systems.