VC-1-DL converter not only allows bidirectional conversion of SDI/HDMI but it also provides frame sync and delay adjustment of up to 9 fields (4.5 frames) for audio and video independently. This is helpful when keeping various types of cameras in sync as well as ensuring a projector stays in sync with an LED wall. In this way it is an indispensable tool live production, broadcast and recording applications. These video converter series provides uncompromising picture quality by maintaining the video characteristics of the original signal with rich-blacks and super-whites. There are no interlacing artifacts or other conversion or signal errors sometimes found with other video converters. The VC-1 series also features an on-board re-clocker to compensate for attenuation of SDI signals carried over long distances. The VC-1 series also supports both level A and B 3G-SDI, letting you connect a variety of higher quality SDI sources.