Erwin Hayamz @erwinhayamz • Joined Aug 2014 • 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 Erwin Hayamz August 3, 2014 at 8:50 am in reply to: Horizontal white line artifacts after chroma key render in FCP7 In sequence –> settings —> video processing —> make sure click Render in 8-bit YUV. When in 10-bit it couse that glitch, hope this help.