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First lecture for EMC 3210, New Media Video Applications
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New Media Video Overview
The collision and evolution
Images
Audio
Video
Digital formats
Images = jpg, gif
Audio = wav, aiff
Video = mov, avi
Recorded Audio
Cylinders
Discs
Wire
Open reel tape
8 Tracks
Cassettes
CD
File based
Recorded Video
Disc – 1926 – Phonovision
Film – 1930s - Kinescope
Tape – 1951 – Ampex
Videocassettes (tape) – 1971 – Sony
Videodiscs – 1964 (RCA), 1978 (Pioneer)
CD (Video CD, CD-G, CD-ROM/RW)
DVD / Blu-ray / HD DVD
File based
Capacitance Electronic Disc (CED)
RCA selectvision (1964) 1981 Mechanical 30 cm – 11.81 inches Composite video Conductive vinyl platter
PVC blended with carbon to allow the disc to be conductive
Layer of silicone applied to the disc as A lubricant
Handled in A caddy
http://en.wikipedia.org/wiki/Capacitance_Electronic_Discwww.videointerchange.com
LaserDisc/DiscoVision
1978
Optical – laser
30 cm – 11.81 inches
Two single-sided aluminum discs
layered in plastic
Looks like a vinyl record or very large DVD
Used interactively under computer control
Wikipedia
http://en.wikipedia.org/wiki/Laser_disc-www.laserdiscarchive.co.uk
CD-ROM
1998
650Mbs to 900Mbs
12 cm
Special Formats
Video CD
CD-G
www.arsenmusic.com
Early Digital Video file types
Motion JPEG IEEE
1989
QuickTime Apple
June 1991
Video for Windows Microsoft
Video for Windows
November 1992
DVD
Digital Versatile Disk
1995
12 cm
4Gbs to 18Gbs (Double sided, double layer)
First DVD movie – “The Assassin” Japan
obamaeffectmovie.com
Blu-ray / HD DVD
2006
12 cm
25Gbs to 128 Gbs
First Blu-Ray film “Fifty First Dates”
harddrivedvdrecordertech.co.ukwww.gadgetreview.com
Video on networks
Ethernet
Internet
Cloud
Formats
Real – RM
Quicktime - MOV
Flash - FLV
Windows Media – WMV
MPEG – MPEG or MPG
Downloaded
Save As
Large files
High bandwidth for download
Large disk storage
Streamed
Embedded from URL
File is not “on” webpage
Points to a file in another directory or on a another site
Large file sizes
Requires high bandwidth for playback
Digital Compression
Eliminates redundant or unnecessary bits
Reduces the size of movies so that
they can be stored, transmitted, and
played back effectively
Adobe - About video and audio encoding and compression.http://help.adobe.com/en_US/mediaencoder/cs/using/WSb8e30982e628fbecc0e59e6131255b4dd2-8000.html
File Encoding
Uses various compression schemes to
compress the information.
Each encoder has a corresponding
decoder that decompresses and
interprets the data for playback.
Adobe - About video and audio encoding and compression. http://help.adobe.com/en_US/mediaencoder/cs/using/WSb8e30982e628fbecc0e59e6131255b4dd2-8000.html
Video breakthroughs
IEEE 1394 Firewire standard – 1986
Digital video encoding – 1991
DV Camcorders - 1995
Digital video editing - 1998
Firewire
IEEE 1394
commons.wikimedia.org
Digital Video Encoding
QuickTime and Video for Windows
kootation.comwww.starming.com
Digital Camcorder
DCR-VX1000
clear.unt.edu
Non –Linear Editing
CMX 600 - 1971
EditDroid – 1984
Avid – 1989
Adobe Premiere – 1991
Media 100 - 1993
Macromedia Keyframe – 1998
Apple Final Cut Pro - 1999
Analog Video Editing
Linear (tape to tape)
www.mediacollege.com
Digital Video Editing
Non-Linear (tape to hard drive)
www.tbc.school.nz