Blackmagic Design Mini Converter Heavy Duty HDMI to SDI (CONVMH/DUTYBHS) A huge range of video standards are supported including, NTSC, PAL, 1080i/59.94, 1080i/50, 1080psf/23.98, 1080psf/24, 720p/59.94 and 720p/50 formats, plus new formats can be added via USB. Mini Converters feature a unique redundant input for mission critical tasks such as broadcast or live events. Standard 1/4 inch jacks are built in for balanced analog or AES/EBU audio. Mini Converters are built to highest quality standards with low SDI jitter so you get the longest SDI cable lengths combined with multiple internal power supplies for ultra low noise broadcast quality analog video and audio. Power Supply Included.