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Glossary
  
   
 
      

Glossary of Audio Visual and Video Terms
Here you can find definitions for most common technical terms used in audio and video. 

0-9
24P
24PsF 
25P
3.58mhz
4.43mhz		 4:2:2
4:4:4
 5.1 Audio
8281
1080/24P

A
A-B Roll
A/D Conversion
AGC (Automatic Gain Control)
Amplitude
AMPS (Amperes)
Analog (Analogue)
Analog Component
ANSI		 APL
Artifacts
Aspect Ratio
Assemble Edit (assemble mode)
Asynchronous
Attenuation
Auto-Termination

B
Back Porch
Background Generator
Balanced Audio
Bandwidth
Baud
Betacam
Betacam SP
Black & White
Blanking		 Blanking Level
Blooming
BNC
Breezeway
Brightness Radio
Buffer
Burst
B-Y

C
Cable Equalization
Camera Control Unit (CCU)
Capacitance
CAV (Component Analog Video)
CCD
CD-ROM
CD-ROM XA
Chroma
Chroma Key (Color Key)
Chrominance Signal
Clamp, clamping
Clipping
Coaxial Cable
Color Bar		 Color Burst
Color Difference Signals
Color Phase (Hue)
Color Sub-Carrier
Comb Filter
Component
Component Video
Composite Sync
Composite Video
Computer-Video Interface
Contrast
Contrast Radio
Convergance
CRT

D
D1
D2
D3
DA
DAT (Digital Audio Tape)
Data Monitor
dB (Decibel)
DC (Direct Current)
DC Restoration
Decoder
Degauss		 Diagnostics
Differential Gain
Digital Signal
Distribution Amplifier
Dot Pinch
Downstream
Downstream Keyer
Drop-Frame Time Code
Dropout
DVE

E
ECL
Edit Decision List (EDL)
E-E Mode
Electron Guns		 ENG
Equalization
Equalization Pulses

F
Farad
Fiber Optic
Field
First Generation
Flyback (Retrace)
Foot Candle
Foot Lambert
Format		 Frame
Frame Synchronizer
Free-run
Frequency
Frequency Response
Fresnel Lens
Front Porch

G
Gain
Gamma
General Purpose Interface (GPI)
Generation Loss
Genlock		 Graphics Monitor
Graticule
Gray Scale
Ground Loop

H
Harmonic Distortion
HDTV (High Defintion Television)
Hertz (Hz)
Horizontal Blanking (Retrace)
Horizontal Line
Horizontal Period
Horizontal Rate (Frequency)		 Horizontal Resolution
Horizontal Sync
Hue (Tint Control)
Hum
Hum-bucker
Hz (Hertz)

I
I
IC (Integrated Circuit)
IDTV
Impedance 		Insert Edit (Insert Mode)
Interlaced
IRE (Institute of Radio Engineers)

J
JPEG (Joint Photographic Experts Group) Jog, jogging

K
Kelvin KiloHertz (kHz)

L
LCD
LED
Limiter
Lenticulation
Lenticular Screen
Linear
Line Doubler		 Line Voltage
Loop-Through
Low Impedance
Lumen
Luminance
LUX

M
MHz
MII Format
Moire
Monitor		 Mosaic Effect
MPEG (Motion Picture Experts Group)
Mute

N
NDF
Noise
Non-Composite Video Signal
Non-Drop Frame Time Code		 Non-Interlaced
Notch Filter
NTSC

O
Off-line Editing
Oscillator
Output		 Output Impedance
Overscan

P
PAL (Phase Alternate Line)
Peak-To-Peak
Peaking
Persistence
Phase (Chroma phase, hue, tint)
Phasing
Phosphor
Pink Noise		 Pixel
Pluge (Picture Line Up Generation Equipment)
Posterize, posterization
Preroll
Preview
Primary Colors
Processing Amplifier (Proc Amp)

Q
Q Quad Split Generator

R
Raster
Reference Video Signal
Reset
Resolution
RF
RGB (Red, Green, Blue)
RGB Monitor
Retrace		 Retrace Time
Rise Time
RMS
Routing Switcher
RS-170A
RS-232C
RS-422
R-Y

S
Saturation
Scan-Doubling
Scanning
Schematic
SECAM (Sequential Couleur Ave Memoire)
Serial
Serial Control Panel
Serial Interface
Serration
Set-up (Black Reference, Black Level)
Shadow Mask
Signal		 Signal to Noise Radio
Slave
SMPTE
SMPTE Time Code
Split Edit
Subcarrier
Super VGA
Switcher (Production Switcher)
Sync
S-VHS
S-Video

T
Termination
Terminator
Time Base Corrector
Time Base Error
Time Code		 Transcoder
Translator
TTL
Triaxial

U
UHF
Underscan		 Unity Gain
Unmodulated

V
Vectorscope
Vertical Banking Interval
Vertical Blanking (Retrace)
Vertical Interval
Vertical Resolution
VGA
Video Distribution Amplifier		 Video Signal
Video Switcher (production switcher, video mixer)
Videotape Recorder (Video Tape Recorder, VTR)
VITC
VU Meter

W
Waveform Monitor
Wow and Flutter		 WYSIWYG

X
XGA-2

Y
Y
Y, R-Y, B-Y		 Y to C delay

Z
Z

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