| 2G |
2nd Generation |
| 3G |
3rd Generation |
| 3GPP |
Third Generation Partnership Project |
| 4WM |
Four Wave Mixing |
| 8PSK |
8 Phase Shift Keying(ed) |
| AAA |
Authentication, Authorization, and Accounting |
| AAC |
Advanced Audio Compression |
| AC |
Access Category |
| AC_BE |
Access Category – Best Effort |
| AC_BK |
Access Category – BacKground |
| AC_VI |
Access Category – VIdeo |
| AC_VO |
Access Category – VOice |
| AC3 |
Adaptive Transform Coder 3 |
| ACAP |
Advanced Common Application Platform |
| ACE |
Advanced Component Exchange |
| ADSL |
Asymmetric Digital Subscriber Line |
| AES |
Advanced Encryption Standard |
| AFF |
Adaptive Field/Frame |
| AGC |
Automatic Gain Control |
| AI |
Artificial Intelligence |
| AIFS |
Arbitration InterFrame Space |
| AIN |
Advanced Intelligent Network |
| AIT |
Application Information Table |
| AKA |
Authentication and Key Agreement |
| ALG |
Application Layer Gateway |
| AMOL |
Automated Measurement Of Lineup |
| A-MPDU |
Aggregated MAC (Media Access Control) Protocol Data Unit |
| ANSI |
American National Standards Institute |
| AoR |
Address of Record |
| AP |
Automatic Power |
| AP |
Audio Processor |
| API |
Application Programming Interface |
| APS |
Automatic Protection Switching |
| ARDP |
Advanced Return Path Modulator |
| ARPU |
Average Revenue per Unit (or User) |
| AS |
Application Server |
| ASCII |
American Standard Code for Information Interchange |
| ASI |
Asynchronous Serial Interface |
| ASP |
Advanced Streaming Profile |
| ASTB |
Advanced Set-Top Box |
| ATM |
Asynchronous Transfer Mode |
| ATSC |
Advanced Television Systems Committee |
| AV |
Audio/Video |
| AV |
Audiovisual |
| AVC |
Advanced Video Coding |
| B2B |
Business to Business |
| B2BUA |
Back-to-Back User Agent |
| B2C |
Business to Consumer |
| BB |
BroadBand |
| BER |
Bit Error Rate |
| BFT |
Broadcast File Transfer |
| BGCF |
Breakout Gateway Control Function |
| BIF |
Binary Interchange Format |
| BNC |
Broadcast Network Controller |
| BPF |
Band Pass Filter |
| BPL |
Broadband over Power Lines |
| B-PON |
Broadband Passive Optical Network |
| bps |
Bits Per Second |
| BSAM |
Basic Sequential Access Method |
| BSAM |
Broadband Services Access Multiplexer |
| BSCC |
Broadcast Stream Client Connector |
| BSS |
Basic Service Set |
| BTS |
Base Transceiver Station |
| BTSC |
Broadcast Television Systems Committee |
| BW |
Bandwidth |
| BYOI |
Bring Your Own Infrastructure |
| CA |
Conditional Access |
| CAN |
Cellular Access Network |
| CapEx |
Capital Expenditure |
| CAS |
Conditional Access System |
| CAT |
Conditional Access Table |
| CB |
Channel Bonding |
| CBR |
Constant Bit Rate |
| CC |
Closed Caption |
| CCA |
Circuit Card Assembly |
| CCI |
Copy Control Information |
| CCM |
Channel Change Message |
| CCNR |
Completion of Calls No Reply |
| CCS |
Control Channel System |
| CD |
Compact Disc |
| CDL |
Code DownLoad |
| CDMA |
Code Division Multiple Access |
| CDN |
Content Delivery Network |
| CDR |
Call Detail Record |
| CDT |
Carrier Definition Table |
| CE |
Consumer Electronics |
| CEA |
Consumer Electronics Association |
| CEPCA |
Consumer Electronics Powerline Communication Alliance |
| CFP |
Contention Free Periods |
| CIF |
Common Image Format |
| CIN |
Call Indentity Number |
| CLEC |
Common Local Echange Carrier |
| CM |
Cable Modem |
| CMS |
Call Management Server |
| CMTS |
Cable Modem Termination System |
| CNAM |
Calling NAMe |
| CNR |
Carrier-to-Noise Ratio |
| CNR |
Chronic Non-Responder |
| COFDM |
Coded Orthogonal Frequency Division Multiplexing |
| CoS |
Class of Service |
| CPE |
Customer Premises Equipment |
| CPMS |
Copy Protection Management System |
| CPU |
Central Processing Unit |
| CRC |
Cyclic Redundancy Check |
| CRM |
Customer Relationship Management |
| CSA |
Common Scrambling Algorithim |
| CSCF |
Call State/Session Control(ler) Function |
| CSMA/CA |
Carrier Sense Multiple Access with Collision Avoidance |
| CSMA/CD |
Carrier Sense Multiple Access with Collision Detection |
| CSO |
Composite Second Order |
| CTB |
Composite Triple Beat |
| CTIA |
Cellular Telecommunications and Internet Association |
| CW |
Continuous Wave |
| CWDM |
Coarse Wavelength Division Multiplexing |
| D/E |
Decrypt/Extract |
| DAB |
Digital Audio Broadcast |
| DAC |
Descrambler Authorization Center |
| DAC |
Digital Access Controller |
| DAC |
Digital to Analog Converter |
| DANIS |
Digital Addressable Network Interface System |
| DASE |
Digital TV Application Software Environment |
| DAVIC |
Digital Audio Visual Council |
| DB |
Database |
| dB |
Decibel |
| dBc |
Decibel Referenced to the Carrier |
| dBFS |
Decibel Below Full Scale |
| dBm |
Decibel milliwatt |
| dBmV |
Decibel milliVolt |
| DBS |
Direct Broadcast Satellite |
| DC |
DigiCipher® |
| DC |
Direct Current |
| DC |
Directional Coupler |
| DC |
Dispersion Compensator |
| DCAS |
Downloadable Conditional Access System |
| DCF |
Distributed Coordination Function |
| DCII |
DigiCipher® II |
| DCP |
Digital Convergence Platform |
| DCT |
Digital Cable Terminal |
| DCT |
Discrete Cosine Transform |
| DEM |
DigiCipher Event Manager |
| DES |
Data Encryption Standard |
| DES |
Digital Encryption Standard |
| DFB |
Distributed Feedback |
| DHCP |
Dynamic Host Configuration Protocol |
| DHEI |
DigiCable Headend Expansion Interface |
| DLNA |
Digital Living Network Alliance |
| DLS |
Down Load Server |
| DM |
Demodulator |
| DM |
Device Manager |
| DMB |
Digital Multimedia Broadcasting |
| DMIF |
Delivery Multimedia Integration Framework |
| DNS |
Domain Name System |
| DOA |
Dead on Arrival |
| DOCSIS® |
Data-Over-Cable Service Interface Specifications |
| DPI |
Digital Program Insertion |
| DRAM |
Dynamic Random Access Memory |
| DRC |
Dynamic Range Control |
| DRM |
Digital Rights Management |
| DS |
Downstream |
| DSCP |
Differentiated Service Code Point |
| DSE |
Digital Service Encoder |
| DSG |
DOCSIS® Set-top Gateway |
| DSL |
Digital Subscriber Line |
| DSLAM |
Digital Subscriber Line Access Multiplexer |
| DSM-CC |
Digital Storage Medium Command and Control |
| DSP |
Digital Signal Processor |
| DSR |
Digital Satellite Receiver |
| DSSS |
Direct Sequencing Spread Spectrum |
| DS-UWB |
Direct Sequence Ultra-WideBand |
| DTH |
Direct-to-Home |
| DTMF |
Dual Tone Multi-frequency |
| DTV |
Digital Television |
| DVB |
Digital Video Broadcast |
| DVB-ASI |
DVB Asynchronous Serial Interface |
| DVB-H |
DVB Handheld |
| DVB-S |
DVB Satellite |
| DVB-T |
DVB Terrestial |
| DVC |
Digital Video Compressor |
| DVD |
Digital Versatile Disc or Digital Video Disc |
| DVD+RW |
Rewritable Digital Versatile Disc |
| DVNR |
Digital Vision Noise Reducer |
| DVR |
Digital Video Recorder |
| DVS |
Digital Video Standard |
| DVS |
Digital Video Subcommittee |
| DWDM |
Dense Wavelength Division Multiplexing |
| E/I |
Encrypt/Insert |
| eBIF |
Enhanced Binary Interchange Format |
| ECC |
Encryption Control Center |
| ECM |
Entitlement Control Message |
| EDCA |
Enhanced Distributed Channel Access |
| EDFA |
Erbium Doped Fiber Amplifier |
| EDGE |
Enhanced Data Rates for Global Evolution |
| eEAP |
Extensible Authentication Protocol |
| EEPROM |
Electronically Erasable Programmable Read Only Memory |
| EIA |
Electronics Industry Association |
| EMC |
Encoder Monitor and Control |
| EMS |
Element Management System |
| eMTA |
Embedded Multimedia Terminal Adapter |
| ENDEC |
Encode/Decode |
| EoD |
Everything on Demand |
| EPG |
Electronic Program Guide |
| EPROM |
Electrically Readable Programmable Read Only Memory |
| EQAM |
Edge QAM (Quadrature Amplitude Modulation) |
| ERS |
Encryption Renewal System |
| ES |
Exclusive Session |
| ESP |
Encapsulating Security Payload |
| ETS |
Event Trigger System |
| ETSI |
European Telecommunications Standards Institute |
| eTV |
Enhanced Television |
| EV-DO |
Evolution-Data Only |
| ExCCI |
Extended CCI |
| FAT |
File Allocation Table |
| FCC |
Federal Communications Commission |
| FDD |
Frequency Division Duplexed |
| FDDI |
Fiberoptic Digital Data Interface |
| FDIS |
Final Draft International Standard |
| FDP |
Face Description |
| FEC |
Forward Error Correction |
| FFT |
Fast Fourier Transform |
| FHSS |
Frequency Hopping Spread Spectrum |
| FIFO |
First In First Out |
| FM |
Frequency Modulation |
| FPM |
FEC and Packet Multiplexer |
| FQDN |
Fully Qualified Domain Name |
| FTA |
Free to Air |
| FTP |
File Transfer Protocol |
| FTTC |
Fiber to the Curb |
| FTTH |
Fiber to the Home |
| FTTN |
Fiber to the Node |
| FTTP |
Fiber to the Premises |
| FTTU |
Fiber to the User |
| FTTx |
Fiber to the (endpoint) |
| FWM |
Four-Wave Mixing |
| GB |
Gigabyte |
| Gb/s |
Gigabits per Second |
| GB/s |
Gigabytes per Second |
| GbE |
Gigabit Ethernet |
| GBIC |
Gigabit Interface Converter |
| Gbps |
Gigabits per Second |
| GCR |
Group Configuration Request |
| GFL |
Group Flow Label |
| GHz |
Gigahertz |
| GigE |
Gigabit Ethernet |
| GOP |
Group of Pictures |
| GPI |
General Purpose Interface |
| G-PON |
Gigabit (Ethernet) Passive Optical Network |
| GPRS |
General Packet Radio Service |
| GPS |
Global Positioning System |
| GRX |
GPRS (General Packet Radio Service) Roaming eXchange |
| GSM |
Global System for Mobile communications |
| GSMA |
Global System for Mobile communications Association |
| GUI |
Graphical User Interface |
| GW |
Gateway |
| HAVi |
Home Audio Video Interoperability |
| HCCA |
Hybrid Coordination function controlled Channel Access |
| HCF |
Hybrid Coordination Function |
| HCM |
Hardware Control Message |
| HCT |
Headend Configuration Tool |
| HD |
High Definition |
| HDCP |
High Definition Copy Protection |
| HDD |
Hard Disk Drive |
| HDD |
High Definition Decoder |
| HDE |
High Definition Encoder |
| HDLC |
High Level Data Link Control |
| HDTV |
High Definition Television |
| HDVOD |
High-Definition Video on Demand |
| HE |
Headend |
| HF |
High Frequency |
| HFC |
Hybrid Fiber/Coax |
| HH |
HouseHold |
| HHR |
Half Horizontal Resolution |
| HLR |
Home Location Register |
| HMAC |
keyed-Hashing for Message Authentication Code |
| HMS |
Headend Management System |
| H-Net |
Home Network |
| HP |
Homes Passed |
| HPLMN |
Home Public Land Mobile Network |
| HPNA |
Home Phoneline Network Alliance |
| HRC |
Harmonically Related Carriers |
| HSCI |
High Speed Cable Interface |
| HSD |
High Speed Data |
| HSDPA |
High Speed Downlink Packet Access |
| HSE |
HD Service Encoder |
| HSI |
High-Speed Internet |
| HSS |
Home Subscriber Server |
| HSS/HLR |
High Speed Serial/Home Location Register |
| HSUPA |
High Speed Uplink Packet Access |
| HTML |
Hyper Text Markup Language |
| HTTP |
Hyper Text Transfer Protocol |
| HVAC |
High Voltage Alternating Current |
| HVC |
HD Video Compressor |
| HVS |
Human Vision System |
| Hz |
Hertz |
| I/O |
Input/Output |
| ICC |
Instant Channel Change |
| ICE |
Information and Content Exchange |
| ICE |
Inter Chip Encryption |
| i-CSCF |
Interrogating-Call State/Session Control(ler) Function |
| ID |
Identifier |
| IDC |
International Data Group Inc. |
| IDCT |
Inverse Discrete Cosine Transform |
| IDE |
Integrated Development Environment |
| IEEE |
Institute of Electrical and Electronics Engineers |
| IEEE-SA |
Institute of Electrical and Electronics Engineers Standards Association |
| IETF |
Internet Engineering Task Force |
| IF |
Intermediate Frequency |
| IGMP |
Internet Group Multicast Protocol |
| IM |
Instant Messaging |
| IMS |
IP Multimedia Subsystem |
| INP |
Input |
| IP |
Internet Protocol |
| IP-CAN |
Internet Protocol Cellular Access Network |
| IPG |
Interactive Program Guide |
| IPM |
Intelligent Policy Management |
| IPMP |
Intellectual Property Management and Protection i |
| IPPV |
Impulse Pay Per View |
| IPRM |
IP Rights Management System |
| IPSec |
Internet Protocol Security |
| IPTV |
Internet Protocol Television |
| IR |
Infra-Red |
| IRD |
Integrated Receiver/Decoder |
| IRT |
Integrated Receiver Transcoder |
| IRTDBG |
Integrated Receiver Transmitter DeBuG |
| IS |
International Standard |
| ISDB |
Integrated Service Digital Broadcast |
| ISDB-T |
Integrated Services Digital Broadcasting -Terrestrial |
| ISDN |
Integrated Services Digital Network |
| ISI |
Inter-Symbol Interference |
| ISO |
International Standards Organization |
| ISP |
Internet Service Provider |
| IT |
Information Technology |
| ITU |
International Telecommunications Union |
| iTV |
Interactive Television |
| IVRM |
Intelligent Video Resource Manager |
| IXP |
Internet Exchange Provider |
| JCP |
Java Community Process |
| JND |
Just Noticeable Difference |
| JPEG |
Joint Photographic Experts Group |
| JVT |
Joint Video Team |
| kB |
Kilobyte |
| kb/s |
Kilobits per Second |
| kbps |
Kilobits per Second |
| KDC |
Key Distribution Center |
| kHz |
Kilohertz |
| KLS |
Key List Server |
| km |
Kilometer |
| KP |
Kernel Processor |
| L/R |
Left/Right |
| L2TPv3 |
Layer-2 Tunneling Protocol Version 3 |
| LAeq |
Long-term A-weighted loudness EQuivalent |
| LAN |
Local Area Network |
| LCD |
Liquid Crystal Display |
| LDAP |
Lightweight Directory Access Protocol |
| LED |
Light Emitting Diode |
| LEO |
Low Earth Orbit |
| LF |
Low Frequency |
| LH |
DWDM Long Haul Dense Wave Division Multiplex |
| LNB |
Low Noise Block Converter |
| LNP |
Local Number Portability |
| LP |
Long Play |
| LTC |
Longitudinal Time Code |
| LUA |
Last User Activity |
| MAC |
Media Access Control |
| MACD |
Moves, Adds, Changes, Deletes |
| MAN |
Metropolitan Area Network |
| MB |
Megabyte |
| Mb/s |
Megabits per Second |
| MB/s |
Megabytes per Second |
| MB-AFF |
Macro Block Adaptive Frame/Field |
| MBOA |
MultiBand OFDM Alliance |
| MB-OFDM |
Multiband Orthogonal Frequency Domain Modulation |
| Mbps |
Megabits per Second |
| MC |
Motion Compensation |
| M-CMTS |
Modular Cable Modem Termination System |
| MCPC |
Multiple Channel Per Carrier |
| MC-PC |
Media Center Personal Computers |
| MDU |
Multiple Dwelling Unit |
| MG |
Media Gateway |
| MGC |
Media Gateway Controller |
| MGCF |
Media Gateway Control(ler) Function |
| MGCP |
Media Gateway Control Protocol |
| MGW |
Media GateWay |
| MHP |
Multimedia Home Platform |
| MHz |
Megahertz |
| MIB |
Management Information Base |
| MIMO |
Multiple Input, Multiple Output |
| MIPS |
Million Instructions Per Second |
| ML@MP |
Main Level @ Main Profile |
| MLD |
Multicast Listener Discovery |
| MMD |
Multipoint Microwave Distribution |
| MMDS |
Multichannel Multipoint Distribution System |
| MMI |
Man Machine Interface |
| MMT |
Modulation Mode Table |
| MOCA |
Multimedia Over Coax Alliance |
| MP@HL |
Main Profile @ High Level |
| MP3 |
MPEG-1 Part 3, (Audio) Layer 3 |
| MPAA |
Motion Picture Association of America |
| MPDU |
MAC (Media Access Control) Protocol Data Unit |
| MPE |
Multi Protocol Encapsulation |
| MPEG |
Moving Pictures Expert Group |
| MPEG-TS |
Moving Pictures Expert Group Transport Stream |
| MPS |
Modular Processing System |
| MPTS |
Multiple Program Transport Stream |
| MRFC |
Multimedia Resource Function Controller |
| MRFP |
Multimedia Resource Function Processor |
| MSC |
Mobile Switching Center |
| MSE |
Multi-Standard Encoder |
| MSN |
Microsoft Network |
| MSO |
Multiple System Operator |
| MSR |
Multi-Standard Receiver |
| MSRP |
Manufacturer’s Suggested Retail Price |
| MTA |
Multimedia Terminal Adapter |
| MV |
Motion Vector |
| MVNO |
Mobile Virtual Network Operator |
| MVP |
Multi-View Profile |
| NABTS |
North American Broadcast Teletext Standard |
| NANPA |
North American Numbering Plan Administration |
| NAPT |
Network Address and Protocol Translation |
| NAS |
Network Attached Storage |
| NASRAC |
National Authorization Service–Regional Access Controller |
| NASS |
Network Access Attachment Function(s) |
| NAT |
Network Address Translation |
| National |
Authorization Service |
| NC |
Network Controller |
| NCS |
Network Control System |
| NCTA |
National Cable Television Association |
| NG |
STB Next Generation Set-Top Box |
| NGN |
Next Generation Network |
| NGNA |
Next Generation Network Architecture |
| NIC |
Network Interface Card |
| NIM |
Network Interface Module |
| NIST |
National Institute of Standards and Technology |
| NIT |
Network Information Table |
| nm |
Nanometer |
| NMS |
Network Management System |
| NNI |
Network-Network Interface |
| NP |
Number Portability n |
| NPAC |
Number Portability Administration Center |
| NPR |
Noise Power Ratio |
| NPT |
Network Performance Tool |
| nPVR |
Network-based Personal Video Recorder |
| NRSS |
Network Renewable Security Standard |
| NRTC |
National Rural Telecommunications Cooperative |
| NRVC |
Noise Reduction Video Compression |
| NSP |
Network Service Provider |
| NTIA |
National Telecommunications and Information Administration |
| NTP |
Network Time Protocol |
| NTSC |
National Television System Committee |
| NVOD |
Near Video-On-Demand |
| OCAP |
OpenCable™ Application Platform |
| OC-x |
Optical Carrier (level) |
| ODRL |
Open Digital Rights Language |
| OFDM |
Orthogonal Frequency Division Multiplexing |
| OLT |
Optical Line Terminal |
| OLT |
Optical Line Termination |
| OM |
Out of Band Modulator |
| OMA |
Open Mobile Alliance |
| OOB |
Out-of-Band |
| OpEx |
Operations Expenditure |
| OS |
Operating System |
| OSA |
Open Service Access |
| OSD |
On-Screen Display |
| OSS |
Operational Support System |
| OTN |
Optical Transition Node |
| OTN |
Optical Transport Network no |
| P2P |
Peer to Peer |
| P2P |
Point to Point |
| PACM |
Provisioning, Activation, Configuration & Management |
| PAL |
Phase Alternating Line |
| PAT |
Port Address Termination |
| PAT |
Program Association Table |
| PC |
PacketCable™ |
| PCI |
Peripheral Component Interconnect |
| PCM |
Pulse Coded Modulation |
| PCMM |
PacketCable™ Multimedia |
| P-CSCF |
Proxy-Call State/Session Control(ler) Function |
| PDG |
Packet Data Gateway |
| PDU |
Protocol Data Unit |
| PES |
Packetized Elementary Stream |
| PID |
Program Identifier |
| PID |
Packet ID |
| PIM |
Protocol Independent Multicast |
| PIM-SM |
Protocol Independent Multicast – Sparse Mode |
| PIP |
Picture In Picture |
| PLMN |
Public Land Mobile Network |
| PMB |
Permanent Message Buffer |
| PMI |
Packet Multiplex Interface |
| PMK |
Pairwise Master Key |
| PML |
Packet Multiplex Link |
| PMP |
Point to MultiPoint |
| PMT |
Program Map Table |
| PN |
Program Number |
| PNA |
Phone Network Alliance |
| PON |
Passive Optical Network |
| POTS |
Plain Old Telephone System |
| PPE |
Programmable Processing Element |
| PPV |
Pay per View |
| PRCF |
Positioning Radio Coordination Function |
| PSIP |
Program and System Information Protocol |
| PSK |
PreShared Key |
| PSNR |
Peak Signal to Noise Ratio |
| PSTN |
Public Switched Telephone Network |
| PTK |
Pairwise Temporal Key |
| PVR |
Personal Video Recorder |
| QAM |
Quadrature Amplitude Modulation |
| QL |
Quantization Level |
| QL/BR |
Quantization Level/Bit Rate |
| QLP |
Quantization Level Processor |
| QoE |
Quality of Experience |
| QoS |
Quality of Service |
| QPSK |
Quadrature Phase Shift Keying |
| RACF |
Resource Access Control Facility |
| RACS |
Resource and Admission Control Function(s) |
| RADD |
Remote Addressable DANIS/DLS |
| RAID |
Redundant Array Of Inexpensive Disks |
| RAM |
Random Access Memory |
| RAN |
Radio Access Network |
| RAN |
Regional Area Network |
| RBOC |
Regional Bell Operating Company |
| RF |
Radio Frequency |
| RIM |
Rear-Chassis Input Module |
| RISC |
Reduced Instruction Set Computer |
| RKS |
Record Keeping Server |
| RM |
Resource Manager |
| RMX |
Remux |
| ROM |
Read Only Memory |
| ROM |
Rear-Chassis Output Module |
| RPD |
Return Path Demodulator |
| RSA |
Rivest-Shawir-Adleman (crypto algorithm) |
| RSM |
Remote Satellite Modulator |
| RSU |
Resynchronization Software Utility |
| RTP |
Real-time Transport Protocol |
| RTP |
Real Time Protocol |
| RTSP |
Real Time Streaming Protocol |
| RU |
Rack Unit |
| RX |
Receive or receiver |
| SAC |
Subscriber Authorization Center |
| SAP |
Secondary Audio Program |
| SAS |
Subscriber Authorization System |
| SB |
Switched Broadcast |
| SBC |
Switched Broadcast Client |
| SBCA |
Satellite Broadcasting Communication Association |
| SBS |
Stimulated Brilliouin Scattering |
| SBS |
Switched Broadcast Server |
| SCADA |
Supervisory Control And Data Acquisition |
| SCE |
Single Channel Encoder |
| SCPC |
Single Channel Per Carrier |
| SCS |
Service Capability Server |
| s-CSCF |
Serving-Call State/Session Control(ler) Function |
| SCTE |
Society of Cable Telecommunications Engineers |
| SD |
Standard Definition |
| SDB |
Switched Digital Broadast |
| SDI |
Serial Digital Interface |
| SDL |
Simple DirectMedia Layer |
| SDM |
SmartStream Device Manager |
| SDMI |
Secure Digital Music Initiative |
| SDP |
Session Description Protocol |
| SDPF |
Service Policy Decision Function |
| SDTV |
Standard Definition Television |
| SDV |
Switched Digital Video |
| SE |
Single Encoder |
| SEM |
SmartStream Encryptor Modulator |
| SEP |
Simulcast Edge Processor |
| SFP |
Small Form-factor Pluggable |
| SG |
Signaling Gateway |
| SGW |
Security GateWay |
| SHA-1 |
Secure Hash Algorithm 1 |
| SID |
AMOL Source Identification – Automatic Measurement of Lineups |
| SIFS |
Shortest InterFrame Space |
| SIM |
Subscriber Identity Module |
| SIM |
Splice Information Message |
| SIP |
Session Initiation Protocol |
| SISO |
Single-Input Single-Output |
| SIT |
Splice Information Table |
| SIT |
System Integration & Test |
| SL |
Sync Layer |
| SMPTE |
Society of Motion Picture and Television Engineers |
| SNMP |
Simple Network Management Protocol |
| SNR |
Signal-to-Noise Ratio |
| SoC |
Systems on a Chip |
| S-OFDM |
Scalable Orthogonal Frequency Division Multiplexing |
| SONET |
Synchronous Optical Network |
| SPAN |
Services & Protocols for Advanced Networks |
| SPDF |
Synchronous Piggybacked Data Flow |
| SPDIF |
Sony Philips Digital Interface |
| SPIT |
SPAM over IP Telephony |
| SPM |
Self Phase Modulation |
| SPTS |
Single Program Transport Stream |
| SQL |
Structured Query Language |
| SR |
Satellite Receiver |
| SRAM |
Static Random Access Memory |
| SRM |
SmartStream Resource Manager |
| SRM |
System Resource Manager |
| SRS |
Stimulated Raman Scattering |
| SRTP |
Secure Real-time Transport Protocol |
| SRTP |
Sequenced Routing Table Protocol |
| SRUP |
Sequenced Routing Update Protocol |
| SS7 |
Signaling System number 7 |
| SSD |
Solid State Disk |
| SSI |
Synchronous Serial Interface |
| SSL |
Secure Sockets Layer |
| SSM |
Source Specific Multicast |
| SSP |
Session Setup Protocol |
| STAMP |
Set-top Applications and Middleware Platform |
| STB |
Set-Top Box |
| STL |
Studio-Transmitter Link |
| STT |
System Time Table |
| STTD |
Space Time Transmit Diversity |
| STUN |
Simple Transversal of UDP (User Datagram Protocol) |
| TAM |
Tier Addressed Message |
| TB |
Terabyte |
| TC |
Transmission Convergence |
| TCP/IP |
Transmission Control Protocol/Internet Protocol |
| TDD |
Time Division Duplex |
| TDMA |
Time Division Multiple Access |
| TDT |
Time & Date Table |
| TFC |
Tunable Filter Chip |
| TFTP |
Trivial File Transfer Protocol |
| TIPHON |
Telecommunications & Internet Protocol Harmonization Over Networks |
| TISPAN |
Telecom & Internet Services & Protocols for Advanced Networks |
| TKIP |
Temporal Key Integrity Protocol |
| TLS |
Transport Layer Security |
| TMX |
Transport Multiplexer |
| TN |
Transit Node |
| TP |
Transport Processor |
| TPS |
Transport Parameter Signaling |
| TSID |
Transport Stream Identifier |
| TSP |
Television Service Processor |
| T-SPEC |
Traffic SPECification |
| TTLS |
Tunnel Transparent Layer Security |
| TTS |
Text To Speech |
| TURN |
Traversal Using Relay NAT (Network Address Translation) |
| TVCT |
Terrestrial Virtual Channel Table |
| TX |
Transmit or transmitter |
| TXOP |
Transmission Opportunity |
| U-ASPD |
Unscheduled - Automatic Power Save Delivery |
| UCS |
Uplink Control System |
| UDP |
User Datagram Protocol |
| UDP/IP |
User Datagram Protocol/Internet Protocol |
| UEQ |
Universal Edge QAM (Quadrature Amplitude Modulation) |
| UGS |
Unsolicited Grant Service |
| UI |
User Interface |
| UKL |
Unit Key List |
| UMA |
Unlicensed Mobile Access |
| UMTS |
Universal Mobile Telecommunications System |
| UNI |
User Network Interface |
| UPA |
Usability Professionals’ Association |
| UPnP |
Universal Plug and Play |
| UPS |
Universal Power Supply |
| UPS |
Uplink Product Support |
| URI |
Uniform Resource Identifier |
| US |
Upstream |
| USB |
Universal Serial Bus |
| UWB |
Ultra Wideband |
| VBI |
Vertical Blanking Interval |
| VBR |
Variable Bit Rate |
| VC |
VideoCipher® |
| VC |
Virtual Channel |
| VC-1 |
Video Compression (Coding) 1 (Formerly VC-9--Soon to be known as SMPTE 421M) |
| VCM |
Virtual Channel Map |
| VCO |
Virtual Channel Override |
| VCR |
Video Cassette Recorder |
| VCT |
Virtual Channel Table |
| VDLM |
Virtual Data Line Monitor |
| VDSL |
Very High-bit-rate Digital Subscriber Line |
| VDT |
Video Dial Tone |
| VF |
Voice Frequency |
| VHF |
Very High Frequency |
| VHS |
Video Home System |
| VLR |
Visitor Location Register |
| VM |
Virtual Machine |
| VOD |
Video on Demand |
| VoIP |
Voice over Internet Protocol |
| VoWi-Fi |
Voice over Wi-Fi |
| VPN |
Virtual Private Network |
| VRN |
Video-Rich Navigation |
| VRNAV |
Video-Rich Navigation Audio/Visual |
| WCDMA |
Wireless Code Division Multiple Access |
| WDM |
Wave Division Multiplex |
| WiFi |
Wireless Fidelity |
| WiMax |
Worldwide Interoperability for Microwave Access |
| WLAN |
Wireless Local Area Network |
| WM |
Wave Multiplexing or Wave Mixing |
| WM9 |
Windows Media Player, version 9 |
| WMAN |
Wireless Metropolitan Area Network |
| WME |
Wireless Multimedia Extension |
| WMM |
Wi-Fi MultiMedia |
| WMM-SA |
Wi-Fi MultiMedia Standards Association/Alliance |
| WPA |
Wireless (Wi-Fi) Protected Access |
| WPA-FSK |
Wireless (Wi-Fi) Protected Access with Pre-Shared Key |
| WWAN |
Wireless Wide area Network |
| xDSL |
Any variant of the Digital Subscriber Line technology |
| xHTML |
Extensible Hypertext Markup Language |
| XML |
Extensible Markup language |
| xoIP |
Anything Over Internet Protocol |
| XPM |
Cross-Phase Modulation |
| xPON |
X type of Passive Optical Network |
