The AT-HD-3GSDI provides a professional way to convert HDMI to 3G/HD/SD SDI in real time. The conversion between SDI and HDMI is pure digital and guarantees lossless transformation for both audio and video. Unit supports 8 channel, 7.1 channel or 5.1 channel audio. Unit also provides 2 low jitter SDI outputs for daisy chain or multiple monitors. With the use of AT-HD-3GSDI, the most popular uncompressed video interface in the consumer world is readily available for professional SDI equipments!