Lecture #25 Digital Video Editing I

Digital Video

Representing video An array of images Movie = video + audio

How big is a movie Frames (pictures) per second –30 FPS faster than human eyes –24 FPS – OK, about the fastest our eyes can see –10 FPS - a little jerky How big is a frame –This screen 1024x768 –TV x 480

How big? 10 minutes x 60 sec x 30 fps –18,000 x 640 x 480 –5.5 billion pixels x 3 (RGB) –16.6 billion bytes Audio x 10 min x 60 sec/min x 2 –58 million bytes Compression (reduce the size)

Video Standards NTSC - American Television –Mostly black and white with a little color added –460x360 VHS - video tapes –Cheat a lot on the color –300x360 DVD - 720x480 HDTV - High definition TV –1920x1080

Video Standards Digital video –MPEG –Quicktime –AVI PAL - European standard –More lines, better color

Movie Editing Software iMovie Windows Live Movie Maker 2011 ( Adobe Premiere

iMovie

Frame/Movie Viewer

iMovie Frame/Movie Viewer Digital Assets

iMovie Frame/Movie Viewer Digital Assets Audio Select

iMovie Frame/Movie Viewer Digital Assets Audio Select Project Viewer

iMovie Frame/Movie Viewer Digital Assets Audio Select Project Viewer Trim, Adjust Audio, Video

iMovie Frame/Movie Viewer Digital Assets Audio Select Project Viewer Trim, Adjust Audio, Video Frame Time

iMovie Frame/Movie Viewer Digital Assets Audio Select Photo Select Project Viewer Trim, Adjust Audio, Video Frame Time

iMovie Frame/Movie Viewer Digital Assets Audi Titling & Captions Project Viewer Trim, Adjust Audio, Video Frame Time

iMovie Frame/Movie Viewer Digital Assets Transitions Project Viewer Trim, Adjust Audio, Video Frame Time

iMovie Demo Importing movies Saving movies Editing movies (select, split, trim, rearrange) Importing photos Transitions Adding/Editing Sound, Music Titling and Captions Adding Effects (brightness, contrast, filters, color, etc.)

iMovie Demo Importing movies (File  Import  Movies)

iMovie Demo Saving movies (Share  Export Movie)

iMovie Demo Editing movies (Drag over clip  )

iMovie Demo Titling and Captions - Click on desired place in project - Select Style from button - Drag style to desired postion - Adjust duration of titling/caption as needed

iMovie Demo Changing Brightness, Contrast, etc. - Double click clip you want to edit - Select Video in the Inspector window - Use sliders to create desired effect

iMovie Demo Changing Clip Speed, Direction, etc. - Double click clip you want to edit - Select Clip in the Inspector window - Use sliders to create desired effect

iMovie Demo Changing Audio volume on tracks - Double click clip you want to edit - Select Audio in the Inspector window - Use sliders, buttons to create desired effect

iMovie Demo Deleting/Adding Sound, Music - double click clip - Edit  Detach Audio - Double click (purple) audio track - Delete audio track - Select, Drag other audio track - Slide and position audio track as desired - Editing operations apply to entire clip

iMovie Demo Deleting Part of Sound, Music - Double click clip where you want to split - Edit  Split Clip - Repeat previous 2 steps at second split - Click on split clip - Edit  Detach Audio - Double Click on (purple) Audio - Delete Audio with Delete Key

iMovie Demo Pan, Zoom, Rotate, etc. - Double click clip - Window  Cropping, Ken Burns, Rotation - Crop to initial window - Select Ken Burns - Click Done - Preview and repeat as necessary

iMovie Demo - Application Video Editing - Trim Clip in Event Window - Drag desired clip to project window - Split Clip and mute or delete audio - Sub in other audio - Control-click in Event Window & “Add still frame to project” - Delete excess frames - Control-click still frame & “Reveal in Finder” - Drag still from Finder to Photoshop/Gimp & Edit - Save in iPhoto - Drag from iPhoto into Project Window

Review Importing movies Saving movies Editing movies (select, split, trim, rearrange) Importing photos Transitions Adding/Editing Sound, Music Titling and Captions Adding Effects (brightness, contrast, filters, color, etc.)