new media video overview
DESCRIPTION
First lecture for EMC 3210, New Media Video ApplicationsTRANSCRIPT
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New Media Video Overview
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The collision and evolution
Images
Audio
Video
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Digital formats
Images = jpg, gif
Audio = wav, aiff
Video = mov, avi
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Recorded Audio
Cylinders
Discs
Wire
Open reel tape
8 Tracks
Cassettes
CD
File based
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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
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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
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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
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CD-ROM
1998
650Mbs to 900Mbs
12 cm
Special Formats
Video CD
CD-G
www.arsenmusic.com
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Early Digital Video file types
Motion JPEG IEEE
1989
QuickTime Apple
June 1991
Video for Windows Microsoft
Video for Windows
November 1992
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DVD
Digital Versatile Disk
1995
12 cm
4Gbs to 18Gbs (Double sided, double layer)
First DVD movie – “The Assassin” Japan
obamaeffectmovie.com
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Blu-ray / HD DVD
2006
12 cm
25Gbs to 128 Gbs
First Blu-Ray film “Fifty First Dates”
harddrivedvdrecordertech.co.ukwww.gadgetreview.com
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Video on networks
Ethernet
Internet
Cloud
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Formats
Real – RM
Quicktime - MOV
Flash - FLV
Windows Media – WMV
MPEG – MPEG or MPG
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Downloaded
Save As
Large files
High bandwidth for download
Large disk storage
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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
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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
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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
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Video breakthroughs
IEEE 1394 Firewire standard – 1986
Digital video encoding – 1991
DV Camcorders - 1995
Digital video editing - 1998
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Firewire
IEEE 1394
commons.wikimedia.org
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Digital Video Encoding
QuickTime and Video for Windows
kootation.comwww.starming.com
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Digital Camcorder
DCR-VX1000
clear.unt.edu
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Non –Linear Editing
CMX 600 - 1971
EditDroid – 1984
Avid – 1989
Adobe Premiere – 1991
Media 100 - 1993
Macromedia Keyframe – 1998
Apple Final Cut Pro - 1999
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Analog Video Editing
Linear (tape to tape)
www.mediacollege.com
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Digital Video Editing
Non-Linear (tape to hard drive)
www.tbc.school.nz