Digital vs. Analog
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Transcript of Digital vs. Analog
Digital vs. Analog
• What’s the difference?
• Analog is VHS/NTSC
• Digital is DV/HDTV
Digital vs. AnalogPrice Size Video
QualityPurity &Scaling
Noise Copy Quality
VHSAnalog
$1/120 min.
Large Fairly Good
Full, rich audio & video
Electrical Hum, crackle, dropout
Degrades Quickly
DVDigtial
$3/60 min.
Small Good Digital loses some richness, pixelates
Almost none, signal is either good or gone
Infinite
Linear vs. NLE•Linear = assembly editing, like putting together a train, one car at a time
•NLE = drag and drop, computer allows it to all be moved around
NON LINEAR EDITING (NLE)
• What is NLE?
NLE
• NLE - is any computer based editing system where video can be easily moved around.
NLE Consumer Level
• iMovie (Mac)• -To install iMovie HD 6 you need:• Macintosh computer with a PowerPC
G4, PowerPC G5, or Intel Core processor
• 512 MB RAM recommended• Mac OS X v10.4.4 recommended• QuickTime v7.0.4 or later • Price: Free with OS
Windows Movie Maker •-To install Movie Maker 2.1 you need:•Windows SP2 for XP Home, Pro or x64 Pro •1.5 GHz Processor•256 MB RAM recommended• Price: Often bundled free with OS
NLE Professional LevelAvidXpress
AdobePremiere Pro
Final CutStudio 2
RAM 1 GB RAM 2 GB RAM 1 GB
Windows/Mac Windows/Mac Mac
$800 $790 $1,400