Fernando Tirelli @fernandotirelli • Joined Aug 2011 • Active 6 years ago Remove Connection Are you sure you want to remove from your connections? Timeline Profile Connections Photos Forums Points Leader Badges Discussions Replies Favorites Discussions Replies Favorites Forum Replies Created Fernando Tirelli August 12, 2011 at 3:44 pm in reply to: Two DeckLink BlackMagic Cards (Can be Studio, Quad, Intensity, Extreme 3D) and DirectShow Fitlers I fix the problem with a reference signal. It seems that without a ref signal the video and the audio of the input card gets out of sync after running the graph for several hours. Fernando Tirelli August 9, 2011 at 4:10 pm in reply to: Two DeckLink BlackMagic Cards (Can be Studio, Quad, Intensity, Extreme 3D) and DirectShow Fitlers Anyone can help me with my problem?.