Film technology, 3D entertainment and the multiscreen future will be the hot topics at a series of three confabs Wednesday and Thursday in Hollywood. Highlights include a special screening of 3D “Top Gun” footage that Tony Scott color-timed and wrapped last month before his death, presented by Legend3D’s Barry Sandrew at the 3D Summit.All three events will take place at the Hollywood and Highland Center. Turner’s Coleman Breland, Cinedigm’s Chris McGurk and Alloy’s Jordan Levin will be among the speakers at the two-day Multiscreen Summit, which examines battles between screens, devices, distributors and content creators. Topics include monetization, marketing and advertising across platforms and focus groups on gaming, music and sports. Unicomm and the Bob Dowling Group, in association with Variety, are sponsoring the event. Variety’s Film Technology Summit on Thursday will be headlined by studio production chiefs, creative talent and technology pros detailing how to succeed in filmmaking in the digital age. Speakers include Marvel’s Victoria Alonso, Warner Bros.’ Darcy Antonellis, DreamWorks’ Jim Beshears, Disney’s Andy Hendrickson, Pixar’s Michael K. O’Brien and Legendary’s Ty Warren. Sessions will cover higher frame rates, 4K filmmaking and the latest in previsualization and virtual production techniques. Jeff Katzenberg will keynote the two-day 3D Summit, produced by Unicomm and Bob Dowling in association with Variety. Speakers include Weta’s Joe Letteri, Sony’s Peter Lude and Sony Pictures Imageworks’ Von Williams. Special presentations will include footage from “Hotel Transylvania” and the presentation of the 3D Visionary Award to James Cameron. Additional topics are glassless 3D sets, 3D at home, 3D in China and laser light sources.