Videoconferencing Terms

 & Definitions

A

    Address Mask

    Algorithm

    Analog signals

    Analog to Digital Conversion

    ANSI

    API

    Application Sharing

    Asynchronous

    ATM

    Audio

    Audio Bridge

    Audio Conferencing

    Audiographic Conferencing

    Autotrack

B

    Backhaul

    Backlight

    Bandwidth

    Baud

    B channel

    Bell Operationg Company

    Bellcore

    Bit

    Bit Error Rate

    Bit Map

    Bit Rate

    Blanking

    Bonding

    Bps

    BRI

    Bridge

    Broadband

    Broadcast

    Brouter

    Bursty data

    Business Television

    Byte

C

    Camera Control

    Camera Presets

    Carrier

    CCD

    CCITT

    Chair Control

    Channel

    CIF

    Codec

    Collaboration

    Color Bars

    Compressed Video

    Computer-based Training

    Continuous Presence

    Coordinator

D

    D channel

    Data Compression

    Data Conference

    DBS

    Delay

    Demodulator

    Desktop Videoconferencing

    Digital Signals

    Digital Speech Interpolation

    Distance Learning

    Document Camera

    Document Sharing

    DSL

    DVB

E

    Echo Canceller

    Echo Effect

    Echo Suppression

    EIRP

    Electronic Whiteboard

    Encoder

    Ethernet

F

    Fast Ethernet

    Focus

    Forward Error Correction

    Fps

    Fractional T-1

    Frame Rate

    Frame Relay

    Frame Store

    Frequency

    Full-CIF (FCIF)

    Full-duplex

    Full-motion Video

G

    G.711

    G.722

    G.728

    Gateway

    Gigahertz (GHz)

    Groupware

H

    H.320 Standard

    H.323 Standard

    Handshake

    Headend

    Hertz (Hz)

    Hub

I

    IMUX

    Interoperability

    Intra-LATA

    IP

    IP Address

    ISDN

    Isochronous

    ITU

    IEC

    IXC

J

    JPEG

K

    Kbps

    Kilohertz (kHz)

L

    LAN

    LATA

    LDC (long Distance Carrier)

    LEC

    Leased Line

    Loop Qualification

M

    MAC (A, B, C, D2)

    MAN

    Margin

    MBone

    Mbps

    MCU

    Megahertz (MHz)

    Microwave

    Modulation

    MPEG

    Multiplexing

    Multipoint

    Multipoint Control Unit

    Mute (Audio)

N

    Narrowband

    Netmeeting

    Network

    Network Termination Device

    Node

    Noise

    NT-1

    NTSC

O

    One-way Videoconferencing

P

    Packet Switching

    PAL

    Pan

    PBX

    PIP

    Pixel

    Point-to-point Videoconference

    POTS

    PowerPoint Presentation

    PRI

    Proprietary compression algorithm

    PTT

    Public Room

    Pulse Code Modulation

Q

    Q-CIF

    QOS

    QPSK

R

    RBOC

    Real-time

    Receiver (Rx)

    RGB

    Room-based Videoconferencing

    RS-232-C

S

    Scan Converter

    Secam

    Signal to Noise Ratio (S/N)

    Single Channel Per Carrier (SCPC)

    Slide

    Snapshot

    Spectrum

    Speed Match

    SPID

    Splitter

    Spread Spectrum

    Standard compression algorithm

    Streaming

    Synchronization (Sync)

    Switched 56

T

    T-1

    T-3 Channel (DS-3)

    T.120

    Tilt

    TDMA

    Telco

    Telecommuting

    Telemedicine

U

    Uplink

V

    Video bridge

    Videoconferencing

    Videostreaming

    Viewgraph

    Voice Activated Switching

W

    WAN

    Whiteboarding

    Wideband

    Wireless

X

    X.25

Y

    Y/C

Z

    Zoom