lecture #25 digital video editing i. digital video

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Lecture #25 Digital Video Editing I

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Page 1: Lecture #25 Digital Video Editing I. Digital Video

Lecture #25

Digital Video Editing I

Page 2: Lecture #25 Digital Video Editing I. Digital Video

Digital Video

Page 3: Lecture #25 Digital Video Editing I. Digital Video

Representing video

• An array of images

• Movie = video + audio

Page 4: Lecture #25 Digital Video Editing I. Digital Video

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 - 640 x 480

Page 5: Lecture #25 Digital Video Editing I. Digital Video

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 - 48000 x 10 min x 60 sec/min x 2– 58 million bytes

• Compression (reduce the size)

Page 6: Lecture #25 Digital Video Editing I. Digital Video

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

Page 7: Lecture #25 Digital Video Editing I. Digital Video

Video Standards

• Digital video– MPEG– Quicktime– AVI

• PAL - European standard– More lines, better color

Page 8: Lecture #25 Digital Video Editing I. Digital Video

Movie Editing Software

• iMovie

• Windows Live Movie Maker 2011

(http://explore.live.com/windows-live-movie-maker)

• Adobe Premiere

Page 9: Lecture #25 Digital Video Editing I. Digital Video

iMovie

Page 10: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Page 11: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Page 12: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Audio SelectAudio Select

Page 13: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Audio SelectAudio Select

Project Viewer

Page 14: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Audio SelectAudio Select

Project Viewer

Trim, Adjust Audio, Video

Page 15: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Audio SelectAudio Select

Project Viewer

Trim, Adjust Audio, Video

Frame Time

Page 16: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Audio SelectPhoto Select

Project Viewer

Trim, Adjust Audio, Video

Frame Time

Page 17: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

AudiTitling & Captions

Project Viewer

Trim, Adjust Audio, Video

Frame Time

Page 18: Lecture #25 Digital Video Editing I. Digital Video

iMovie Frame/Movie Viewer

Digital Assets

Transitions

Project Viewer

Trim, Adjust Audio, Video

Frame Time

Page 19: Lecture #25 Digital Video Editing I. Digital Video

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.)

Page 20: Lecture #25 Digital Video Editing I. Digital Video

iMovie Demo

• Importing movies (File Import Movies)

Page 21: Lecture #25 Digital Video Editing I. Digital Video

iMovie Demo

• Saving movies (Share Export Movie)

Page 22: Lecture #25 Digital Video Editing I. Digital Video

iMovie Demo

• Editing movies (Drag over clip )

Page 23: Lecture #25 Digital Video Editing I. Digital Video

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

Page 24: Lecture #25 Digital Video Editing I. Digital Video

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

Page 25: Lecture #25 Digital Video Editing I. Digital Video

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

Page 26: Lecture #25 Digital Video Editing I. Digital Video

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

Page 27: Lecture #25 Digital Video Editing I. Digital Video

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

Page 28: Lecture #25 Digital Video Editing I. Digital Video

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

Page 29: Lecture #25 Digital Video Editing I. Digital Video

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

Page 30: Lecture #25 Digital Video Editing I. Digital Video

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

Page 31: Lecture #25 Digital Video Editing I. Digital Video

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.)