3924 Pendleton Way • Indianapolis, IN• 46226• 317-536-1283 www.bowentechnovation.com "Digital Video and Graphics for Planetaria and Exhibits" © Jeff Bowen. June 25, 2004
[email protected] Section 1.0 Workshop Synopsis As we are heading into an era in which all visual media in the planetarium will be digital, attendees will learn what are current and forthcoming visual file formats and production methodologies. What is MPEG...DVI...when do you import an avi or mov? What are SD files...is 16:9 HD? Why is editing MPEG a bad idea? How do you archive and access digital files? What formats will soon be obsolete and which new ones will stay? Which of the new DVD formats will stick around? Jeff Bowen will share his extensive experience in producing award-winning digital media for education, planetariums, exhibits and broadcast. Section 2.0 Qualification of Attendees Number who have worked with video editing? Number who have worked with Photoshop? Number who have worked with digital video editing? Number who use digital playback in the dome? Number who have worked with digital audio editing? Number who have worked with digital editing? Created by Jeff Bowen Page 1 7/6/2004 Section 3.0 Digital Video Terminology and Specs Analog Video is represented as a continuous (time varying) signal. Digital Video is represented as a sequence of digital images. NTSC Video- 525 scan lines per frame, 30 frames per second (or be exact, 29.97 fps, 33.37 msec/frame) Interlaced, each frame is divided into 2 fields, 262.5 lines/field.