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Telecommunications
The first steps in learning telecommunications
16
Photography
10th Grade
09/10/2012

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Cards

Term
analog vs digital
Definition
analog-less lines in picture; electronic copy of original stimulus

digital- more lines in picture, picture contrast better; not a copy of original stimulus
Term
FPS in standard definition
Definition
29.97fps or 30fps
Term
Sampling
Definition
the number of assigned samples taken at equal differences e.g. different Hz that sounds are presented at depending on quality.
Term
Quantizing
Definition
Changing the sampling points and discreet number values by giving each point a specific number.
Term
What is a codec?
Definition
Process that is used to compress digital media products.
Term
What are the two types of codecs with examples?
Definition
Lossless compression-rearranges data (still works with large files.

Lossy Compression-Throws out unneeded data.

e.g. WMV QTM MP1 MP2 MP4
Term
Picture file types:
Definition
JPEG- Smallest
TIF- keeps layers
MPEG4- iPod Pictures
Term
Basic Camera Elements
Definition
Lenses
CCD
Term
Three Most Important Camera Elements
Definition
Lens
CCD
Viewfinder
Term
What is an electronic shutter?
Definition
Can be used to control flicker when shooting a computer screen.
Term
Component Signal
Definition
Separates luminants & chromanants & red, green, and blue until video was seen.
Term
Composite Signal
Definition
Lowest level of video
Term
SVHS Signal
Definition
Separates luminants and chrromanants until video was seen.
Term
Digital Signal
Definition
Seperates everything and brings it back together when video is seen.
Term
Video Connectors
Definition
BNC
RCA
RF Connector
SVHS cable
Firewire
Term
Video Displays
Definition
Plasma
LCD
LED
Projection
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