Click to enlargeIntroduction to Cable <br>Television, 3rd Edition<a name="top">

Author: Lawrence Harte
Number of Pages: 112
Number of Diagrams: 38
Copyright: 2016



Cable TV Tutorial

Printed or Electronic Version (7.2MB) Available - Electronic Version has Color Diagrams


Cable television (CATV) systems uses a network of cables to deliver multiple video, data, and audio channels. This excerpted chapter from Telecom Systems provides an overview of cable television systems including cable modems, digital television, high definition television (HDTV), and the market growth of cable television and advanced services such as video on demand. Some of the topics described include: broadcast television, cable television, cable converters, distribution network, head-end, market growth, analog video, digital video, signal scrambling, National Television Standards Committee (NTSC), Phase Alternating Line (PAL), Sequential Couleur Avec Memoire (SECAM), Motion Picture Experts Group (MPEG) Compression, Data Over Cable Service Interface Specifications (DOCSIS), and Pay per View (PPV). Future enhancements such as wireless cable, cable telephony, and interactive television are also included.

Related Books

Sample Diagrams

Head End System

This figure shows a diagram of a simple head-end system. This diagram shows that the head-end gathers programming sources, decodes, selects and retransmits video programming to the distribution network. The video sources to the headend typically include satellite signals, off air receivers, microwave connections and other video feed signals. The video sources are scrambled to prevent unauthorized viewing before being sent to the cable distribution system. The headend receives, decodes and decrypts these channels. This example shows that the programs that will be broadcasted are supplied to encoders and modulators to produce television channels on multiple frequencies. These channels are combined onto a single transmission line by a channel combiner.

Set Top Box Operation

This figure shows a block diagram of a video set-top box. This device converts incoming RF channels into a lower frequency that can be provided to a television. This diagram shows an analog setup box usually involves the conversion of the incoming RF channel frequency to channel 3 or channel 4. The conversion of a digital cable channel is more complex as it requires demodulation, decoding (data decompression), and RF modulation back to a form suitable for a television. Optionally, a digital decryption section and/or video descrambling section may be included.p>

Cable Modem System

This figure shows a basic cable modem system that consists of a head end (television receivers and cable modem system), distribution lines with amplifiers, and cable modems that connect to customers' computers. This diagram shows that the cable television operator's head end system contains both analog and digital television channel transmitters that are connected to customers through the distribution lines. The distribution lines (fiber and/or coaxial cable) carry over 100 television RF channels. Some of the upper television RF channels are used for digital broadcast channels that transmit data to customers and the lower frequency channels are used to transmit digital information from the customer to the cable operator. Each of the upper digital channels can transfer 30 to 40 Mbps and each of the lower digital channels can transfer data at approximately 2 Mbps. The cable operator has replaced its one-way distribution amplifiers with precision (linear) high frequency bi-directional (two-way) amplifiers. Each high-speed Internet customer has a cable modem that can communicate with the cable modem termination system (CMTS) modem at the head end of the system where the CMTS system is connected to the Internet.

Table of Contents

Overview

Broadcast Television
Cable Television Systems (CATV)

Contribution Network

Connection Types
Program Transfer Scheduling
Content Feeds

Headend

Integrated Receiver Decoder (IRD)
Off Air Receivers
Encoders
Transcoders
Rate Shaper
Channel Modulators
Channel Processors
Channel Signal Combiners

Asset Management

Content Acquisition
Metadata Management
Playout Scheduling
Asset Storage
Content Processing
Ad Insertion
Distribution Control

Distribution Network

Core Network
Access Network
Premises Distribution

CATV End User Devices

Tuners
Display Capability
Security
Media Processing
Software Applications
Accessories
Middleware Compatibility
Upgradability
Media Portability

CATV Access Devices

Cable Ready Televisions
Set-Top box (Cable Converters)
Cable Modems
Cable Telephone Adapters

Market Growth

Cable Television Market
Cable Modem Market
Cable Telephone Market

Technologies

Analog Video
Digital Video
Rights Management
Cable Modems
High Definition Television (HDTV)
Cable Telephony
Wireless Cable
Interactive Television
Internet Protocol Television (IPTV)

Systems

National Television Standards Committee (NTSC)
Phase Alternating Line (PAL)
Sequential Couleur Avec Memoire (SECAM)
Motion Picture Experts Group (MPEG)
Data Over Cable Service Interface Specifications (DOCSIS)
PacketCable™
OpenCable™

Services

Television Programming
Pay per View (PPV)
Advertising
High Speed Data (Cable Modems)
CATV Telephone Services




Cable Television Acronyms-Appendix 1

60i - 60 Interlaced
ASN - Abstract Syntax Notation
AWT - Abstract Widowing Toolkit
ADPCM - Adaptive Differential Pulse Code Modulation
AAC - Advanced Audio Codec
AAF - Advanced Authoring Format
AES - Advanced Encryption Standard
ASP - Advanced Simple Profile
ASF - Advanced Streaming Format
ASF - Advanced Systems Format
ATA - Advanced Technology Attachment
ATVEF - Advanced Television Enhancement Forum
ATSC - Advanced Television Systems Committee
Avail - Advertising Availability
Ad Credits - Advertising Credits
Ad Model - Advertising Model
AoD - Advertising on Demand
Ad Splicer - Advertising Splicer
ADET - Aggregate Data Event Table
AEIT - Aggregate Event Information Table
ATIS - Alliance for Telecommunications Industry Solutions
ANSI - American National Standards Institute
ASCII - American Standard Code for Information Interchange
Analog HDTV - Analog High Definition Television
APS - Analog Protection System
ATV - Analog Television
ADC - Analog to Digital Converter
AEE - Application Execution Environment
AIR - Application Information Resource
AIT - Application Information Table
API - Application Program Interface
ARIB - Association for Radio Industries and Business
ADSL - Asymmetric Digital Subscriber Line
AJAX - Asynchronous Javascript and XML
ASI - Asynchronous Serial Interface
ATM - Asynchronous Transfer Mode
AALn - ATM Adaptation Layer n
AC3 - Audio Compression 3
AES - Audio Engineering Society
AV - Audio Video
AVI - Audio Video Interleaved
A/V - Audio Visual
AFI - Authority and Format Identifier
AUX - Auxiliary
AVT - AV Transport Service
BIOP - Basic Input Output Protocol
BIFF - Binary Interchange File Format
bslbf - Bit Serial Leftmost Bit First
BMP - BitMaP
BPS - Bits Per Second
BGP - Border Gateway Protocol
BLC - Broadband Loop Carrier
Broadband TV - Broadband Television
BCG - Broadcast Cable Gateway
BFS - Broadcast File System
BML - Broadcast Markup Language
BTSC - Broadcast Television Systems Committee
BTA - Broadcasting Technology Association in Japan
BUC - Buffer Utilization Control
BOF - Business Operations Framework
B2B - Business to Business
B2B Advertising - Business to Business Advertising
B2C - Business to Consumer
CableCARD - Cable Card
CMTS - Cable Modem Termination System
CATV - Cable Television
CTAB - Cable Television Advisory Board
CVCT - Cable Virtual Channel Table
CRLF - Carriage Return Followed by a Line Feed
CSS - Cascading Style Sheets
CUTV - Catch Up Television
CRT - Cathode Ray Tube
CA - Central Arbiter
CPU - Central Processing Unit
CA - Certificate Authority
CRL - Certificate Revocation List
CTL - Certificate Trust List
CDATA - Character Data
CG - Character Generator
CC - Closed Caption
CCTV - Closed-Circuit Television
Coax Amp - Coaxial Amplifier
COFDM - Coded Orthogonal Frequency Division Multiplexing
CLUT - Color Look - Up Table
CVBS - Color Video Blank and Sync
CCIR - Comite' Consultatif International de Radiocommunications
CDR - Common Data Representation
CI - Common Interface
COM - Common Object Model
CORBA - Common Object Request Broker Architecture
CSP - Communication Service Provider
CDA - Compact Disc Audio
CSM - Component Splice Mode
CPL - Composition Playlist
CA - Conditional Access
CAT - Conditional Access Table
CM - Configuration Management
CM - Connection Manager Service
CERN - Conseil European pour la Recherche Nucleaire
CBR Feed - Constant Bit Rate Feed
CE - Consumer Electronics
CEA - Consumer Electronics Association
CGM - Consumer Generated Media
CDS - Content Directory Service
CDA - Content Distribution Agreement
CRID - Content Reference Identifier
CSS - Content Scramble System
CSRC - Contributing SouRCe
CP - Control Point
Co-op - Cooperative Advertising
CN - Core Network
CCBS - Customer Care And Billing System
CSS - Customer Support System
CRC - Cyclic Redundancy Check
DAU - Data Access Unit
DCG - Data Channel Gateway
DDI - Data Driven Interaction
DES - Data Elementary Stream
DEBn - Data Elementary Stream Buffer
DEBSn - Data Elementary Stream Buffer Size
DES - Data Encryption Standard
DET - Data Event Table
DOCSIS® - Data Over Cable Service Interface Specification
DOCSIS+ - Data Over Cable Service Interface Specification Plus
DSI - Data Service Initiate
DST - Data Service Table
DDE - Declarative Data Essence
DTS - Decode Time Stamp
DCH - Dedicated Channel
DER - Definite Encoding Rules
DWDM - Dense Wave Division Multiplexing
DDL - Description Definition Language
DCM - Device Control Module
DIB - Device Independent Bitmap
DH - Diffie Hellman
DAVIC - Digital Audio Video Council
DCI - Digital Cinema Initiative
DECT - Digital Enhanced Cordless Telephone
DHN - Digital Home Network
DMA - Digital Media Adapter
DMC - Digital Media Controller
DMD - Digital Media Downloader
DPX - Digital Picture eXchange
DPI - Digital Program Insertion
DRM - Digital Rights Management
DSNG - Digital Satellite News Gathering
DSS - Digital Satellite System
DSP - Digital Signal Processor
DSA - Digital Signature Algorithm
DSS - Digital Signature Standard
DSM - Digital Storage Media
DSM-CC - Digital Storage Media Command and Control
DSM-CC-OC - Digital Storage Media-Command and Control Object Carousel
DSM-CC-UU - Digital Storage Media-Command and Control User to User
DTV - Digital Television
DTT - Digital Terrestrial Television
DTS - Digital Theater Sound
DTS - Digital Theater Systems
DAC - Digital To Analog Converter
DV25 - Digital Video 25
DVB - Digital Video Broadcast
DVBSI - Digital Video Broadcast Service Information
DVB-ASI - Digital Video Broadcast-Asynchronous Serial Interface
DVB-MHP - Digital Video Broadcasting Multimedia Home Platform
DV Camcorder - Digital Video Camcorder
DVD - Digital Video Disc
DVE - Digital Video Effect
DVR - Digital Video Recorder
DVS - Digital Video Service
DVI - Digital Visual Interface
Digitizing Tablet - Digitizing Pad
DCC Table - Direct Channel Change Table
DMA Engine - Direct Memory Access Engine
DTC - Direct to Consumer
DTH - Direct To Home
DCC - Directed Channel Change
DCCT - Discrete Channel Change Table
DCT - Discrete Cosine Transform
DFT - Discrete Fourier Tranform
DLP - Discrete Logarithm Problem
DCD - Document Content Description
DOM - Document Object Model
DTD - Document Type Definition
DDB - Download Data Block
DII - Download Info Indication
DCAS - Downloadable Conditional Access System
Drop Amp - Drop Amplifier
DMIF - DSM-CC Multimedia Integration Framework
DASE - DTV Application Software Environment
Dub - Dubbing
DHCP - Dynamic Host Configuration Protocol
DHTML - Dynamic Hypertext Markup Language
DRAM - Dynamic Random Access Memory
EDL - Edit Decision List
EEPROM - Electrically Erasable Programmable Read Only Memory
EFF - Electronic Frontier Foundation
EPF - Electronic Picture Frame
EPG - Electronic Programming Guide
E-Tailers - Electronic Retailers
E-Wallet - Electronic Wallet
ES - Elementary Stream
ESCR - Elementary Stream Clock Reference
EAS - Emergency Alert System
EBS - Emergency Broadcast System
EKE - Encrypted Key Exchange
EDTV - Enhanced Definition Television
EDCA - Enhanced Distributed Channel Access
ECM - Entitlement Control Messages
EFS - Error Free Seconds
EBU - European Broadcasting Union
ECMA - European Commerce Applications Script
ECMA - European Computer Manufactures Association
Euro-DOCSIS - European Data Over Cable Service Interface Specification
EFTA - European Free Trade Association
ETSI - European Telecommunications Standards Institute
EIT - Event Information Table
EOD - Everything on Demand
EE - Execution Engine
EDS - Extended Data Services
ETM - Extended Text Message
ETT - Extended Text Table
EUMID - Extended Unique Material Identifier
FCC - Federal Communications Commission
FIPS - Federal Information Processing Standards
FDDI - Fiber Distributed Data Interface
FTTC - Fiber To The Curb
FTP - File Transfer Protocol
FW - Firmware
FDC - Forward Data Channel
Forward OOB - Forward Out of Band Channel
FourCC - Four Character Code
FOD - Free on Demand
FOSS - Free Open Source Software
FTA - Free to Air
FES - Front End Server
FPA - Front Panel Assembly
FAB - Fulfillment, Assurance, and Billing
GXF - General eXchange Format
GCT - Global Color Table
GPS - Global Positioning System
GSM - Global System For Mobile Communications
GUI - Graphic User Interface
GIF - Graphics Interchange Format
GP - Graphics Processor
HAL - Hardware Abstraction Layer
HCCA - HCF Coordination Channel Access
HITS - Headend in the Sky
HMS - Headend Management System
HSM - Hierarchical Storage Management
HD - High Definition
HD-LC - High Definition Power Line Communication
HDTV - High Definition Television
HANA - High-Definition Audio-Video Network Alliance
HAVi - Home Audio Video Interoperability
HomePNA - Home Phoneline Networking Alliance
HVN - Home Video Network
HomePlug AV - HomePlug Audio Visual
HMS - Hosted Media Server
HCCA - Hybrid Coordination Function Controlled Channel Access
HFC - Hybrid Fiber Coax
HSTB - Hybrid Set Top Box
HTML - Hypertext Markup Language
HTTP - Hypertext Transfer Protocol
HTTPS - Hypertext Transfer Protocol Secure
IPPV - Impulse Pay Per View
IHDN - In-Home Digital Networks
IR Blaster - Infrared Blaster
IR Receiver - Infrared Receiver
IWS - Initial Working Set
Inline Amp - Inline Amplifier
InstanceID - Instance Identifier
IEEE - Institute Of Electrical And Electronics Engineers
IC - Integrated Circuit
IDE - Integrated Development Environment
IDE - Integrated Drive Electronics
IRD - Integrated Receiver and Decoder
IRT - Integrated Receiver and Transcoder
ISDN - Integrated Services Digital Network
IVG - Integrated Video Gateway
IPR - Intellectual Property Rights
IS - Intensity Stereo
IIC - Inter - Integrated Circuit Bus
ICG - Interactive Cable Gateway
ICAP - Interactive Communicating Application Protocol
IPG - Interactive Programming Guide
IDL - Interface Definition Language
IF - Intermediate Frequency
IF Switching - Intermediate Frequency Switching
ICC - International Color Consortium
IDEA - International Data Encryptions Algorithm
ISAN - International Standard Audiovisual Number
ISBN - International Standard Book Number
ISO - International Standards Organization
ITU - International Telecommunication Union
Net - Internet
IANA - Internet Assigned Numbering Authority
IETF - Internet Engineering Task Force
IGMP - Internet Group Management Protocol
IIOP - Internet Inter-ORB Protocol
ISMA - Internet Media Streaming Alliance
IP - Internet Protocol
IPCATV - Internet Protocol Cable Television
IPDC - Internet Protocol Datacasting
IP STB - Internet Protocol Set Top Box
IPTV - Internet Protocol Television
ISP - Internet Service Provider
iTV - Internet TV
IOR - Interoperable Object Reference
IDCT - Inverse Discrete Cosine Transform
IPVBI - IP Multicast over VBI
IMS - IP Multimedia System
IIF - IPTV Interoperability Forum
JAR - Java Archive
JAAS - Java Authencation and Authroization Service
JCA - Java Cryptography Architecture
JCE - Java Cryptography Extentions
JDK - Java Development Kit
JMF - Java Media Framework
JNI - Java Native Interface
JNM - Java Native Methods
JSSE - Java Secure Socket Extension
JVM - Java Virtual Machine
JCIC - Joint Committee on Intersociety Coordination
JPEG - Joint Photographic Experts Group
JS - Joint Stereo
JFIF - JPEG File Interchange Format
JNG - JPEG Network Graphics
KoD - Karaoke on Demand
KDF - Key Derivation Function
KLV - Key Length Value
KPI - Key Performance Indicator
KQI - Key Quality Indicators
Killer App - Killer Application
kbps - Kilo bits per second
LBI - Late Binding Interface
Linear TV - Linear Television
LCD - Liquid Crystal Display
Liquid LSP - Liquid Label Switched Path
LISP - LIS Processing
LAN - Local Area Network
LID - Local Identifier
LMDS - Local Multichannel Distribution Service
LMDS - Local Multipoint Distribution System
LOC - Local Operations Center
LP-2 - Local Primary Monitoring Station Alternate
LP-1 - Local Primary Monitoring Station First
LCN - Logical Channel Number
LLC-SNAP - Logical Link Control-Sub Network Access Protocol
LSD - Logical Screen Descriptor
MGG-LC - Low Complexity MNG
LFE - Low Frequency Enhancement
LSF - Low Sampling Frequency
MRD - Marketing Requirements Document
MCR - Master Control Room
MGT - Master Guide Table
MXF - Material eXchange Format
MTU - Maximum Transmission Unit
MSE - Mean Square Error
MAC - Media Access Control
MAP - Media Access Plan
MB - Media Block
MDI - Media Delivery Index
MIU - Media Interoperability Unit
MS - Media Server
MAC - Medium Access Control
MMU - Memory Management Unit
MAC - Message Authentcation Code
MMS - Microsoft Media Server Protocol
MRLE - Microsoft Run Length Encoding
Mbps - Millions of bits per second
MG - Minimum Guarantee
MITRE - Missile Test and Readiness Equipment
MTT - Mobile Terrestrial Television
MDCT - Modified Discrete Cosine Transformation
MER - Modulation Error Ratio
MSB - Most Significant Bit
MJPEG - Motion JPEG
MPEG - Motion Picture Experts Group
MP3 - Motion Picture Experts Group Layer 3
Studio - Movie Studio
MPEGoIP - MPEG over Internet Protocol
MRD - MPEG-2 Registration Descriptor
MP4 - MPEG-4
MBONE - Multicast Backbone
MBGP - Multicast Border Gateway Protocol
MSDP - Multicast Source Discovery Protocol
MMDS - Multichannel Multipoint Distribution Service
MVDDS - Multichannel Video Distribution and Data Service
MVPD - Multichannel Video Program Distributor
MCNS - Multimedia Cable Network System
MHP - Multimedia Home Platform
MoCA - Multimedia over Coax Alliance
MHEG - Multimedia/Hypermedia Expert Group
MNG - Multiple image Network Graphics
MCard - Multiple Stream CableCARD
MSO - Multiple System Operator
MuX - Multiplexer
MMDS - Multipoint Microwave Distribution System
MPTS - Multiprogram Transport Stream
MPTS Feed - Multiprogram Transport Stream Feed
MIME - Multipurpose Internet Mail Extensions
MIDI - Musical Instrument Digital Interface
NISDN - Narrrow-band Integration Services Digital Network
NAB - National Association Of Broadcasters
NCTA - National Cable Television Association
NIST - National Institute Of Standards And Technology
NOC - National Operations Center
NTSC - National Television System Committee
NICAM - Near Instantaneous Companded Audio Multiplexing
NVOD - Near Video On Demand
NUT - Net UDP Throughput
NCF - Network Connectivity Function
NI - Network Interface
NIC - Network Interface Card
NOC - Network Operations Center
NPVR - Network Personal Video Recorder
NRT - Network Resources Table
NSAP - Network Service Access Point
NTP - Network Time Protocol
NNW - No New Wires
NPT - Normal Play Time
NAN - Not A Number
OC - Object Carousel
ORB - Object Request Broker
OSD - On Screen Display
On Airwaves - On-Air
OCAP - Open Cable Application Platform
OSPF - Open Shortest Path First
OSGI - Open Systems Gateway Initiative
OS - Operating System
OSS - Operations Support System
OUI - Organization Unique Identifier
OOB Channel - Out of Band Channel
OOB Receiver - Out of Band Receiver
OBE - Out of Box Experience
PDV - Packet Delay Variation
PER - Packet Error Rate
PID - Packet Identifier
PID Dropping - Packet Identifier Dropping
PES - Packetized Elementary Stream
Parametric QoS - Parametric Quality of Serivce
PCDATA - Parsed Character Data
PLTV - Pause Live Television
PPD - Pay Per Day
PPV - Pay Per View
PSNR - Peak Signal to Noise Ratio
PCI - Peripheral Component Interconnect
PCMCIA - Personal Computer Memory Card International Association
PDA - Personal Digital Assistant
PMS - Personal Media Server
PVR - Personal Video Recorder
PAL - Phase Alternating Line
PIG - Picture in Graphics
PIP - Picture in Picture
PSU - Pillow Speaker Unit
PKIX - PKI X.509
POTS - Plain Old Telephone Service
Play - List - Playlist
POD - Point of Deployment
POD Module - Point of Deploymnet
POE - Point of Entry
PFR - Portable Font Resource
PMI - Portable Media Interface
PMP - Portable Media Player
PNG - Portable Network Graphics
PLC - Power Level Control
Preamp - Pre-Amplifier
PE - Presentation Engine
PTS - Presentation Time Stamp
PU - Presentation Unit
PGP - Pretty Good Privacy
Priority Based QoS - Priority Based Quality of Serivce
PEM - Privacy Enhanced Mail
Private TV - Private Television
PCR - Production Control Room
PSIP - Program and System Information Protocol
PAT - Program Association Table
PCR - Program Clock Reference
PMT - Program Map Table
PSI - Program Specific Information
PSM - Program Splice Mode
PSTD - Program System Target Decoder
PMS - Property Management System
PIMDM - Protocol Independent Multicase Dense Mode
PIM - Protocol Independent Multicast
PBS - Public Broadcast Service
PKI - Public Key Infrastructure
PLMN - Public Land Mobile Network
PSTN - Public Switched Telephone Network
PAM - Pulse Amplitude Modulation
PCM - Pulse Coded Modulation
PDM - Pulse Duration Modulation
Push VOD - Push Video on Demand
QAM - Quadrature Amplitude Modulation
QPSK - Quadrature Phase Shift Keying
QoS - Quality Of Service
QoS Policy - Quality of Service Policy
QT Atoms - Quicktime Atoms
MOV - QuickTime MOVie format
RF Bypass - Radio Frequency Bypass Switch
RF Modulator - Radio Frequency Modulator
RF Out - Radio Frequency Output
RAM - Random Access Memory
RRT - Rating Region Table
ROM - Read Only Memory
RTOS - Real Time Operating System
RTP - Real Time Protocol
RTSPT - Real Time Streaming Protocol over TCP
RTSPU - Real Time Streaming Protocol over UDP
RTCP - Real - Time Transport Control Protocol
RSS - Really Simple Syndication
RM - RealMedia
RPTV - Rear Projection Television
RGBA - Red Green Blue Alpha
RGB - Red, Green, Blue,
RPC - Regional Protection Control
RA - Registration Authority
RADIUS - Remote Access Dial In User Service
RAS - Remote Access Server
RC - Remote Control
RDP - Remote Display Protocol
RHVO - Remote Video Hub Operation
RCS - Rendering Control Service
RP - Rendezvous Point
RFC - Request For Comments
RG - Residential Gateway
RDF - Resource Description Framework
RIFF - Resource Interchange File Format
RSVP - Resource Reservation Protocol
RCC - Reverse Control Channel
RDC - Reverse Data Channel
Reverse OOB - Reverse Out of Band Channel
RPF - Reverse Path Forwarding
RAS - Rights Access System
RSA - Rivest, Shamir, Adleman
SBNS - Satellite and Broadcast Network System
SMATV - Satellite Master Antenna Television
SMS - Screen Management System
SAP - Secondary Audio Program
SRTP - Secure Real Time Protocol
SDD - Self Describing Device
S-Video - Separate Video
SECAM - Sequential Couleur Avec MeMoire
SDI - Serial Digital Interface
SCP - Service Control Protocol
SDF - Service Description Framework
SDT - Service Description Table
SDS - Service Discovery and Selection
SGW - Service Gateway
SID - Service Identifier
SI - Service Information
SRM - Session and Resource Manager
SAP - Session Announcement Protocol
SDP - Session Description Protocol
SBB - Set Back Box
SNMP - Simple Network Management Protocol
SCard - Single Stream CableCARD
SCSI - Small Computer Systems Interface
SCTE - Society of Cable Telecommunication Engineers
Softkeys - Soft Keys
SDK - Software Development Kit
S/PDIF - Sony Philips Digital InterFace
SD - Standard Definition
SDTV - Standard Definition Television
SGML - Standard Generalized Markup Language
SII - Station Identification Information
Stereo - Stereophonic
SAN - Storage Area Network
Stylesheet - Style Sheet
SAC - Subscriber Acquisition Cost
SAS - Subscriber Authorization System
SMS - Subscriber Management System
STV - Subscription Television
SVOD - Subscription Video on Demand
SHE - Super Headend
SDV - Switched Digital Video
Sync Impairment - Synchronization Impairments
SPG - Synchronization Pulse Generator
SDH - Synchronous Digital Hierarchy
SRTS - Synchronous Residual Time Stamp
SCR - System Clock Reference
SI - System Information
SMBUS - System Management Bus
SOC - System On Chip
STC - System Time Clock
TV Centric - Television Centric
TV Channel - Television Channel
T-Mail - Television Mail
TVoF - Television over Fiber
TV Portal - Television Portal
TV Studio - Television Studio
TMS - Theater Management System
TSTV - Time Shift Television
TSTV - Time Shifted Television
Timestamp - Time Stamp
TRT - Total Running Time
TFS - Transient File System
TXOP - Transmission Opportunity
TFS - Transport File System
Transport ID - Transport Identifier
TSFS - Transport Stream File System
3DES - Triple Data Encryption Standard
TLV - Type Length Value
UMB - Ultra Mobile Broadband
UMID - Unique Material Identifier
UPnP - Universal Plug and Play
UPnP AV - Universal Plug and Play Audio Visual
Upfronts - Upfront Advertising
UGC - User Generated Content
UI - User Interface
USC - User Selectable Content
USM - User Services Management
V-Factor - V Factor
VBR Feed - Variable Bit Rate Feed
VLE - Variable Length Encoding
VBI - Video Blanking Interval
vBook - Video Book
VBV - Video Buffer Verifier
VDN - Video Distribution Network
VHO - Video Hub Office
VOD - Video On Demand
VQI - Video Quality Index
VQM - Video Quality Measurement
Video Ringtone - Video Ring Tone
VC - Virtual Channel
VCT - Virtual Channel Table
VM - Virtual Machine
Virtual TV Channel - Virtual Television Channel
WTCG - Watch This Channel Grow
WM - Windows Media
WMA - Windows Media Audio
XSLT - XML Stylesheet Language Transformation





About the Author

Mr. Harte is the president of Althos, an expert information provider covering the communications industry. He has over 29 years of technology analysis, development, implementation, and business management experience. Mr. Harte has worked for leading companies including Ericsson/General Electric, Audiovox/Toshiba and Westinghouse and has consulted for hundreds of other companies. Mr. Harte continually researches, analyzes, and tests new communication technologies, applications, and services. He has authored over 80 books on telecommunications technologies on topics including Wireless Mobile, Data Communications, VoIP, Broadband, Prepaid Services, and Communications Billing. Mr. Harte holds many degrees and certificates including an Executive MBA from Wake Forest University (1995) and a BSET from the University of the State of New York, (1990). Mr. Harte can be contacted at LHarte@tvdictionary.com.






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