英文缩写              英文词组                                                    中文含义

AES           Audio Engineering Society                                    声音工程协会
AM            Amplitude Modulation)                                          调幅
ASCII        American Standard Code for Information Interchange    美国信息互换标准代码
ASI           Asynchronous Serial Interface                              异步串行接口
ATM          Asynchronous Transfer Mode                               异步传输模式
ATSC        Advanced Television Systems Committee             先进电视系统委员会
BAT          Bouquet Association Table                                    相关列表
BB            BaseBand                                                              基带
BER          Bit Error Ratio                                                        误码率
B-fram e                                                                                B帧， 双向预知帧
BNC                                                                                      同轴电缆接插件
BPSK        Binary Phase Shift Keying                                    二进制相移键控
BSS          Broadcast Satellite Service                                  卫星广播业务
BW           BandWidth                                                           频带宽度
C/N          Signal-to-Noise ratio                                            信噪比
CA   Co     nditional Access                                                   有条件接收
CAT          Conditional Access Table                                      条件接收列表
CATV        Community Antenna TeleVision                            有线电视（共天线电视）
CCIR         International Radio Consultative Committee      国际无线电咨讯委员会
CDMA        Code Division Multiple Access                             码分多址
CDV          Cell Delay Variation                                             单元延迟变化
CPU          Central Processing Unit                                       中央处理器
CRC          Cyclic Redundancy Code                                      循环冗余码校验
CSA           Common Scrambling Algorithm                            通用加扰算法
D/A            Digital-to-Analogue converter                             数模转化
DAB           Digital Audio Broadcasting                                  数字音频广播
DBPSK       Differential Binary Phase Shift Keying                 二进制微分相移键控
DNS           Domain Name Server                                          域名服务器
DSM-CC     Digital Storage Media Command Control            数字存储媒体指令与控制
D-SNG        Digital Satellite News Gathering                         数字卫星新闻收集
DSP           Digital Signal Processing                                     数字信号处理
DTH           Direct To Home                                                   直接到户
DTVC         Digital TeleVision by Cable                                 电缆数字电视
DVB           Digital Video Broadcasting                                  数字视频广播
DVB-T        DVB-Terrestrial                                                   地面DVB标准
DVC           Digital Video Cassette                                        数字录象带
DVD           Digital Video (or Versatile) Disk                          数字影碟
D-VHS        Digital - Video Home System                              家庭数字视频系统
EBU           European Broadcasting Union                            欧洲广播同盟
ECM           Entitlement Control Message                             授权控制消息
ECMG         Entitlement Control Message Generator           授权控制消息生成器
EDTV          Enhanced Definition TeleVision                          增强清晰度电视
EPG            Electronic Program Guide                                  电子节目指南
ES              Elementary Stream                                            基本流
FCC .          Federal Communications Commission，            (美国)通信委员会
FDM            Frequency Division Multiplex                             频分多路复用
FDMA          Frequency Division Multiple Access                   频分多址
FEC             Forward Error Correction                                 前项纠错
FFT              Fast Fourier Transform                                     快速傅立叶变换
FIFO            First In First Out                                               先进先出
FIR              Finite Impulse Response                                  有限脉冲响应
FM               Frequency Modulation                                      调频
FSS             Fixed Satellite Service                                       固定卫星服务
GOP            Group of Pictures                                              图片组
GPS             Global Position System                                     全球定位系统
GSM            Global System for Mobile communication          全球移动通讯系统
HDTV           High Definition TeleVision                                 高清晰度电视
HFC             Hybrid Fibre Coax                                             混合光纤、同轴网
HP               High Priority bit stream                                    高优先级比特流
ID                Identifier                                                          标识符
IEC              International Electrotechnical Commission       国际电工委员会
IEEE            Institute of Electrical and Electronics Engineers (USA) 电气和电子工程师协会
IF                Intermediate Frequency                                   中频
IFFT             Inverse Fast Fourier Transform                        反向快速傅立叶变换
I-Frame       Intra-coded Frame                                           I帧（内部编码帧）
IP                Internet Protocol Internet                                协议
IPPV            Impulse Pay Per View                                       节目即时
IRD              Integrated Receiver Decoder                            综合接收解码器
ISDB            Integrated-service Digital Broadcast                综合服务业务数字化广播（日本）
ISDN            Integrated Services Digital Network                 综合数字服务网络
ISO              International Organization for Standardization       国际标准化组织
ITV               Interactive TV                                                   交互电视
ITU               International Telecommunications Union         国际电信联盟
JPEG             Joint Photographic Experts Group                   联合图片专家组
LCD              Liquid Crystal Displayer                                   液晶显示屏
LDTV             Limited Definition TeleVision                            低清晰度电视
LMDS            Local Multipoint Distribution System                本地多点分布系统
MAC              Media Access Control                                       媒体存取控制
MFN              Multiple Frequency Network                             多频网络
MMDS           Microwave Multipoint Distribution System        微波多路分配系统
MMI              Man Machine Interface                                    人-机界面
MPE              Multiple Protocol Encapsulation                       多协议封装
MPEG           Moving Pictures Experts Group                        运动图象专家组
MPI              MPEG Physical Interface                                   MPEG物理接口
MPTS            Multiple Programs Transport Stream                多节目码流
MultiCrypt  Is used to describe the simultaneous operation of several CA systems.   多密
MUX             Multiplexer                                                       复用器
NIT               Network Information Table                             网络信息表
NTSC N         ational Television Systems Committee NTSC  制式，全国电视系统委员会制式
NVOD           Near Video On Demand                                   准视频点播
OAM             Operation， Administration and Maintenance 操作维护管理
OFDM           Orthogonal Frequency Division Multiplexing    正交变频分多路技术
PAL              Phase Alternating Line                                    逐行倒相制
PAT              Program Association Table                              节目相关表
PCR              Program Clock Reference                                节目时钟参考
PDG             Private Data Generator                                   专用数据发生器
PDH             Pseudo synchronous Digital Hierarchy            准同步数字下列
PES              Packet Elementary Stream                             包基本流
P-frame        Previous Frame                                              预知帧
PID               Packet Identifier                                            数据包标识
PMT              Program Map Table                                        节目映射表
PPV              Pay Per View                                                  节目按次付费
PSI               Program Specific Information                         节目详细信息
PSK              Phase Shift Keying                                         相移键控法
PSTN            Public Switched Telephone Network              公共开关电话网络
PSW             Pan and Scan Window                                   摇摄及扫描窗口
QAM             Quadrature Amplitude Modulation                 正交振幅调制方式
QoS             Quality of Service                                           服务质量
QPSK           Quaternary Phase Shift Keying                      正交（四相）相移键控调制
RF                Radio Frequency                                            射频
RS                Reed-Solomon 
SAS             Subscriber Authorization System                    订户授权系统
SCR             (DVB compliant) Scrambler                              加扰器
SDH             Synchronous Digital Hierarchy                        同步数字系列
SDI                                                                                     数字视频接口
SDT             Service Description Table                                服务描述表
SDTV           Standard Definition TeleVision                        标准清晰度电视
SECAM        Sequential Couleur Avec Memoire        SECAM制式(顺序与存储彩色电视系统)
SFDMA         Synchronous Frequency Division Multiple Access      同步频分多址
SI                Service Information                                         服务信息
SIG             Service Information Generator                        服务信息发生器
SimulCrypt  A process that facilitates using several Conditional Access (CA) systems in parallel, in conjunction.                                                                        同密
SIS             Systems for Interactive Services                     交互服务系统
SIT             Selection Information Table                             选择信息表                
SMATV        Satellite Master Antenna TeleVision               卫星共用天线电视
SMI             Storage Media Interoperability                      存储多媒体互操作性
SMS            Subscriber Management System                    订户管理系统
SN              Sequence Number                                          序列号
SNM P         Simple Network Management Protocol           简单网络管理协议
SPI             Synchronous Parallel Interface                       同步并行接口
SPTS           Single Program Transport Stream                  单节目码流
STB             Set Top Box                                                    机顶盒
STD             System Target Decoder                                 系统目标解码器
STM             Synchronous Transport Module                     同步传输模式
TCM                                                                                  格状编码
TCM            Tandem Connection Monitoring                      前后连接监控
TCP             Transport Control Protocol                            传输控制协议
TDM            Time Division Multiplex                                    时分复用
TDMA          Time Division Multiple Access                          时分多址
TDT             Time and Date Table                                      时间日期表
TS               Transport Stream                                          传输流
TSDT           Transport Stream Description Table              传输流描述表
T-STD          Transport Stream System Target Decoder    传输流系统目标解码器
TV               TeleVision 电视
TVCT           Terrestrial Virtual Channel Table                    地面传输虚拟频道列表
VBI              Vertical Blanking Interval                               图文电视（垂直消隐期）
VBR             Variable Bit Rate                                            可变比特率
VC               Virtual Channel                                              虚拟频道
VCR             Video Cassette Recorder                               录像机
VHS             Video Home System                                       家用录像系统
VOD            Video On Demand                                          视频点播
VSB             Vestigial Sideband Modulation                       残留边带调制
WSS           Wide Screen Signalling                                   宽银幕信号传输
WST           World System Teletext                                   世界文字电视广播系统