广播电视技术术语词汇选
以下资料来自网络，感谢原作者A Analog 模拟A/D Analog to Digital 模-数转换AAC Advanced Audio Coding 高级音频编码ABB Automatic Black Balance 自动黑平衡ABC American Broadcasting Company 美国广播公司Automatic Bass Compensation 自动低音补偿Automatic Brightness Control 自动亮度控制ABL Automatic Black Level 自动黑电平ABLC Automatic Brightness Limiter Circuit 自动亮度限制电路ABU Asian Broadcasting Union 亚洲广播联盟(亚广联)ABS American Bureau of Standard 美国标准局 AC Access Conditions 接入条件Audio Center 音频中心ACA Adjacent Channel Attenuation 邻频道衰减ACC Automatic Centering Control 自动中心控制Automatic Chroma Control 自动色度(增益)控制ACK Automatic Chroma Killer 自动消色器ACP Additive Colour Process 加色法ACS Access Control System 接入控制系统Advanced Communication Service 高级通信业务Area Communication System 区域通信系统ADC Analog to Digital Converter 模-数转换器Automatic Degaussirng Circuit 自动消磁电路ADL Acoustic Delay Line 声延迟线ADS Audio Distribution System 音频分配系统AE Audio Erasing 音频（声音）擦除AEF Automatic Editing Function 自动编辑功能AES Audio Engineering Society 音频工程协会AF Audio Frequency 音频AFA Audio Frequency Amplifier 音频放大器AFC Automatic Frequency Coder 音频编码器 Automatic Frequency Control 自动频率控制AFT Automatic Fine Tuning 自动微调Automatic Frequency Track 自动频率跟踪Automatic Frequency Trim 自动频率微调AGC Automatic Gain Control 自动增益控制AI Artificial Intelligence 人工智能ALM Audio-Level Meter 音频电平表AM Amplitude Modulation 调幅AMS Automatic Music Sensor 自动音乐传感装置ANC Automatic Noise Canceller 自动噪声消除器ANT ANTenna 天线AO Analog Output 模拟输出APS Automatic Program Search 自动节目搜索APPS Automatic Program Pause System 自动节目暂停系统APSS Automatic Program Search System 自动节目搜索系统AR Audio Response 音频响应ARC Automatic Remote Control 自动遥控ASCII American Standard Code for Information Interchange 美国信息交换标准AST Automatic Scanning Tracking 自动扫描跟踪ATC Automatic Timing Control 自动定时控制 Automatic Tone Correction 自动音频校正ATM Asynchronous Transfer Mode 异步传输模式 ATF Automatic Track Finding 自动寻迹ATS Automatic Test System 自动测试系统ATSC Advanced Television Systems Committee （美国）高级电视制式委员会AVC Automatic Volume Control 自动音量控制AVR Automatic Voltage Regulator 自动稳压器AWB Automatic White Balance 自动白平衡 AZC Automatic Zooming Control 自动变焦控制AZS Automatic Zero Setting 自动调零ancillary data 辅助数据autoclean 自动清除AC-3 Dolby AC-3 audio coding (ITU-R BS 1196)BCD Binary Coded Decimal 二进制编码十进制数announcement 公告asterisk 星号aspect ration 幅型比,宽度比AF Adaptation Field 适配域APDU Application Protocol Data Unit 应用协议数据单元ASN Abstract Syntax Notation 抽象语法符号Attribute Memory 属性内存
BA Branch Amplifier 分支放大器Buffer Amplifier 缓冲放大器BAC Binary-Analog Conversion 二进制模拟转换BB Black Burst 黑场信号BBC British Broadcasting Corporation 英国广播公司BBI Beijing Broadcasting Institute 北京广播学院BC Binary Code 二进制码Balanced Current 平衡电流Broadcast Control 广播控制BCT Bandwidth Compression Technique 带宽压缩技术BDB Bi-directional Data Bus 双向数据总线BER Basic Encoding Rules 基本编码规则Bit Error Rate 比特误码率BF Burst Flag 色 同步旗脉冲BFA Bare Fiber Adapter 裸光纤适配器Brillouin Fiber Amplifier 布里渊光纤放大器BGM Background Music 背景音乐BIOS Basic Input／Output System 基本输入输出系统B-ISDN Broadband-ISDN 宽带综合业务数据网BIU Basic Information Unit 基本信息单元Bus Interface Unit 总线接口单元BM Bi-phase Modulation 双相调制BML Business Management Layer 商务管理层BN Backbone Network 主干网BNT Broadband Network Termination 宽带网络终端设备BO Bus Out 总线输出BPG Basic Pulse Generator 基准脉冲发生器BPS Band Pitch Shift 分频段变调节器BSI British Standard Institute 英国标准学会BSS Broadcast Satellite Service 广播卫星业务BT Block Terminal 分线盒、分组终端British Telecom 英国电信BTA Broadband Terminal Adapter 宽带终端适配器Broadcasting Technology Association (日本)广播技术协会BTL Balanced Transformer-Less 桥式推挽放大电路BTS Broadcast Technical Standard 广播技术标准BTU Basic Transmission Unit 基本传输单元BVU Broadcasting Video Unit 广播视频型(一种3/4英寸带录像机记录格式)BW BandWidth 带宽BWTV Black and White Television 黑白电视broadcaster (service provider) 广播者（业务提供商Bslbf bit string, left bit first 比特串，左位在先baseband 基带bouquet 业务群BAT bouquet association table 业务群关联表
CA Conditional Access 条件接收CAC Conditional Access Control 条件接收控制CAL Continuity Accept Limit 连续性接受极限CAS Conditional Access System 条件接收系统Conditional Access Sub-system 条件接收子系统CATV Cable Television 有线电视，电缆电视 Community Antenna Television 共用天线电视CAV Constant Angular Velocity 恒角速度CBC Canadian Broadcasting Corporation 加拿大广播公司CBS Columbia Broadcasting System （美国）哥伦比亚广播公司CC Concentric Cable 同轴电缆CCG Chinese Character Generator 中文字幕发生器CCIR International Radio Consultative Committee 国际无线电咨询委员会CCITT International Telegraph and Telephone Consultative Committee 国际电话电报咨询委员会CCR CCTV Central Control Room 中心控制室China Central Television 中国中央电视台CCS Close-Circuit Television 闭路电视 CCU Center Central System 中心控制系统CCW Camera Control Unit 摄像机控制器CD Counter Clock-Wise 反时针方向CDA Compact Disc 激光唱片CD-E Current Dumping Amplifier 电流放大器CDFM CDG Compact Disc Erasable 可抹式激光唱片CD-ROM Compact Disc File Manager 光盘文件管理(程序)CETV Compact-Disc Plus Graphic 带有静止图像的CD唱盘 CF Compact Disc-Read Only Memory 只读式紧凑光盘CGA China Educational Television 中国教育电视台CI Color Framing 彩色成帧 CIE Color Graphics Adapter 彩色图形(显示)卡CII Common Interface 通用接口CIF Chinese Institute of Electronics 中国电子学会CIS China Information Infrastructure 中国信息基础设施CLV Common Intermediate Format 通用中间格式CM Chinese Industrial Standard 中国工业标准CMTS Constant Linear Velocity 恒定线速度CNR Colour Monitor 彩色监视器CON Cable Modem Termination System 线缆调制解调器终端系统Carrier-to-Noise Ratio 载噪比CPB Console 操纵台CPU Controller 控制器CRC Corporation of Public Broadcasting （美国）公共广播公司CRCC CRI Central Processing Unit 中央处理单元CROM Cyclic Redundancy Check 循环冗余校验CRT Cyclic Redundancy Check Code 循环冗余校验码CS China Radio International 中国国际广播电台CSC Control Read Only Memory 控制只读存储器CSS Cathode-Ray Tube 阴极射线管Communication Satellite 通信卫星CSU Color Sub-carrier 彩色副载波CT Center Storage Server 中央存储服务器CTC Content Scrambling System 内容加扰系统Channel Service Unit 信道业务单元Color Temperature 色温Cassette Tape Controller 盒式磁带控制器CTE Channel Traffic Control 通道通信量控制Counter Timer Circuit 计数器定时器电路CTV Counter Timer Control 计数器定时器控制CVD Cable Termination Equipment 线缆终端设备CW Customer Terminal Equipment 用户终端设备Color Television 彩色电视China Video Disc 中国数字视盘Carrie Wave 载波 China Radio & Television Broadcasting Standardization Committee 中国广播电视标准化技术委员会CP crypto period (CP) 加扰周期CWG control word generator (CWG) 控制字发生器CW control word （CW） 控制字CA Conditional Access 条件接收CAM Conditional Access Module 条件接收功能模块CAS Conditional Access System 条件接收系统CAT Conditional Access Table 条件接收表CI Common Interface 公共接口CP Crypto Period 加扰周期CPU Centre Process Unit 中央处理器CRC Cyclic Redundancy Check 循环冗余校验complement 补码CAT Conditional Access TableCLUT Color Look-Up Table 彩色查找表current/next descriptor 当前/后续指示符
AB Digital Audio Broadcasting 数字音频广播DASH Digital Audio Stationary Head 数字音频静止磁头DAT Digital Audio Tape 数字音频磁带DBMS Data Base Management System 数据库管理系统DBS Direct Broadcast Satellite 直播卫星DCC Digital Compact Cassette 数字小型盒带Dynamic Contrast Control 动态对比度控制DCT Digital Component Technology 数字分量技术Discrete Cosine Transform 离散余弦变换 DCTV Digital Color Television 数字彩色电视DD Direct Drive 直接驱动DDC Direct Digital Control 直接数字控制DDE Dynamic Data Exchange 动态数据交换DDM Data Display Monitor 数据显示监视器DES Data Elementary Stream 数据基本码流Data Encryption Standard (美国)数据加密标准DF Dispersion Flattened 色散平坦（光纤）DG Differential Gain 微分增益DI Digital Interface 数字接口DITEC Digital Television Camera 数字电视摄像机DL Delay Line 延时线DLD Dynamic Linear Drive 动态线性驱动DM Delta Modulation 增量调制Digital Modulation 数字调制DMB Digital Multimedia Broadcasting 数字多媒体广播DMC Dynamic Motion Control 动态控制DME Digital Multiple Effect 数字多功能特技DMS Digital Mastering System 数字主系统DN Data Network 数据网络DNG Digital News Gathering 数字新闻采集DNR Digital Noise Reducer 数字式降噪器DOB Data Output Bus 数据输出总线DOCSIS DOC Data Over Cable Service Interface Specifications 有线数据传输业务接口规范DOS Drop Out Compensation 失落补偿DP Disc Operating System 磁盘操作系统Differential Phase 微分相位DPCM Data Pulse 数据脉冲DPL Differential Pulse Code Modulation 差值脉冲编码调制DSB Dolby Pro Logic 杜比定向逻辑DSC Digital Satellite Broadcasting 数字卫星广播DSD Digital Studio Control 数字演播室控制DSE Dolby Surround Digital 杜比数字环绕声DSK Digital Special Effect 数字特技DSP Down-Stream Key 下游键Digital Signal Processing 数字信号处理DSS Digital Sound Processor 数字声音处理器DT Digital Satellite System 数字卫星系统Digital Technique 数字技术Digital Television 数字电视Data Terminal 数据终端DTB Data Transmission 数据传输DTBC Digital Terrestrial Broadcasting 数字地面广播DTC Digital Time-Base Corrector 数字时基校正器 DTS Digital Television Camera 数字电视摄像机Digital Theater System 数字影院系统Digital Tuning System 数字调谐系统DVB Digital Television Standard 数字电视标准DVC Digital Video Broadcasting 数字视频广播DVE Digital Video Compression 数字视频压缩DVS Digital Video Effect 数字视频特技DVTR Desktop Video Studio 桌上视频演播(系统)Digital Video Tape Recorder 数字磁带录像机 DVB digital vedio broadcasting 数字视频广播DIT Discontinuity Information Table DVB 单数信息表DVD Digital Versatile Disc 数字激光视盘deadlock 死锁
EA Extension Amplifier 延长放大器EB Electron Beam 电子束EBS Emergency Broadcasting System 紧急广播系统EBU European Broadcasting Union 欧洲广播联盟EC Error Correction 误差校正ECN Emergency Communications Network 应急通信网络ECS European Communication Satellite 欧洲通信卫星EDC Error Detection Code 错误检测码EDE Electronic Data Exchange 电子数据交换EDF Erbium-Doped Fiber 掺饵光纤EDFA Erbium-Doped Fiber Amplifier 掺饵光纤放大器EDL Edit Decision List 编辑点清单EDTV Extended Definition Television 扩展清晰度电视EE Error Excepted 允许误差EFM Eight to Fourteen Modulation 8-14调制EFP Electronic Field Production 电子现场节目制作EH Ethernet Hosts 以太网主机EIN Equivalent Input Noise 等效输入噪声EIS Electronic Information System 电子信息系统EISA Extended Industrial Standard Architecture 扩展工业标准总线EL Electro-Luminescent 场致发光EM Error Monitoring 误码监测EN End Node 末端节点ENG Electronic News Gathering 电子新闻采集 EOT End of Tape 带尾EP Edit Point 编辑点Error Protocol 错误协议EPG Electronic Program Guides 电子节目指南 EPS Emergency Power Supply 应急电源ERP Effective Radiated Power 有效辐射功率ES Elementary Stream 基本码流End System 终端系统ESA European Space Agency 欧洲空间局ETV Education Television 教育电视Enhanced Television 增强电视 Entitlement Control Message 授权控制信息EIS Event Info Scheduler 事件信息调度器EIT Event Information Table 事件信息表EPG Electronic Program Guide 电子节目指南electrode slope 电极斜率EMM Entitlement Management Message 授权管理信息ETSI European Telecommunication Standard Institute 欧洲通信标准委员会encryption/decryption system 加密/解密系统EMM entitlement management message (EMM) 授权管理信息EMMG entitlement management message generator (EMMG) 授权管理信息发生器ECMG entitlement control message generator (ECMG) 授权控制信息发生器EBU European Broadcasting Union 欧洲广播联盟EIT Event Information Table 事件信息表
FA Facial Animation 面部动画FABM FAS Fiber Amplifier Booster Module 光纤放大器增强模块FC Fiber Access System 光纤接入系统Frequency Changer 变频器Fiber Channel 光纤通道FCC Film Composer 电影编辑系统FD Federal Communications Commission （美国）联邦通信委员会Frequency Divider 分频器FDCT Fiber Duct 光纤管道FDDI FDM Forward Discrete Cosine Transform 离散余弦正变换FDP Fiber Distributed Data Interface 分布式光纤数据接口FE Frequency-Division Multiplexing 频分复用Fiber Distribution Point 光纤分配点FF Front End 前端FG Framing Error 成帧误差FH Fast Forward 快进FIT Frequency Generator 频率发生器FN Frequency Hopping 跳频FOA Frame-Interline Transfer 帧一行间转移FOC Fiber Node 光纤节点Fiber Optic Amplifier 光纤放大器Fiber Optic Cable 光缆FOM Fiber Optic Communications 光纤通信FON Fiber Optic Coupler 光纤耦合器FOS Fiber Optic Modem 光纤调制解调器FOTC Fiber Optic Net 光纤网FS Factor of Safety 安全系数Fiber Optic Trunk Cable 光缆干线Frame Scan 帧扫描FT Frame Store 帧存储器FTP Frame Synchro 帧同步机FTTB France Telecom 法国电信FTTC File Transfer Protocol 文件传输协议FTTH FTTN Fiber-To-The-Building 光纤到楼FTTO Fiber-To-The-Curb 光纤到路边Fiber-To-The-Home 光纤到家Fiber-To-The-Node 光纤到节点Fiber-To-The-Office 光纤到办公室FEC Forward Error Correction 前向纠错flash 快报field 字段
GA General Average 总平均值GB Gain Bandwidth 增益带宽GFC Generic Flow Control 一般流量控制GMT Greenwich Mean Time 格林威治标准时间GND Ground 接地GPC General Purpose Computer 通用接口GPIB General Purpose Interface Bus 通用接口总线GPS Global Positioning Satellite 全球定位卫星Global Positioning System 全球定位系统GSM Global System for Mobile Communication 全球移动通信系统GVFS General Video File Server 通用视频文件服务器
HA Head Amplifier 前置放大器HB Head Bus 前端总线HC Hierarchical Coding 分层编码HCT Home Communication Terminal 家庭通信终端HD High Definition 高清晰度Horizontal Drive 水平驱动（脉冲）HDM High Density Modulation 高密度调制HDTV High Definition Television 高清晰度电视HDVS High Definition Video System 高清晰度视频系统HF High Frequency 高频HFC Hybrid Fiber Coaxial 光纤同轴电缆混合网HFCT Hybrid Fiber Concentric Twisted Pair Wire 混合光纤同轴双绞线HIS Home Information System 家庭信息系统Hi-Fi High-Fidelity 高保真(度)HPA High Power Amplifier 大功率放大器HPF HQAD High-Pass Filter 高通滤波器HS High Quality Audio Disc 高品位音频光盘HSC Horizon Scanner 水平扫描High Speed Camera System 高速摄像机系统HSDB High Speed Channel 高速信道HT High Speed Data Broadcast 高速数据广播HTT HTTP High Tension 高压HTU Home Television Theatre 家庭电视影院Hyper Text Transmission Protocol 超文本传输协议Home Terminal Unit 家庭终端单元 host head-end 主机前端
IA Information Access 信息存取IB International Broadcasting 国际广播Interface Bus 接口总线Internal Bus 内部总线IBC Integrated Broadband Communication 综合宽带通信International Broadcasting Center 国际广播中心International Broadcasting Convention (欧洲)国际广播会议IBG Inter Block Gap 字组间隔IC Integrated Circuit 集成电路 IDCT Inverse Discrete Cosine Transform 离散余弦逆变换IF Intermediate Frequency 中频IM Interface Module 接口模块IMTV Interactive Multimedia Television 交互式多媒体电视IN Integrated Network 综合网INFO INS Integrated Network Using Fiber Optics 光纤综合网IOCS Information Network System 信息网络系统IOD Input-Output Control System 输入/输出控制系统IP Information On Demand 点播信息Input Power 输入功率IPC Internet Protocol 因特网协议IPD Information Processing Center 信息处理中心IPTC Interactive Program Directory 交互式节目指南IRD International Press Telecommunication Council 国际新闻通信委员会IS Integrated Receiver/Decoder 综合接收机/解码器Information Superhighway 信息高速公路Interactive Service 交互业务ISA International Standard 国际标准ISAN Industry Standard Architecture 工业标准总线Integrated Service Analog Network 综合业务模拟网ISO ISRC International Standard Audiovisual Number 国际标准音视频编号ISSI International Standards Organization 国际标准化组织IT International Standard Recording Code 国际标准记录码ITS Inter-Switching System Interface 交换机间系统接口Interline Transfer 行间转移Insertion Test Signal 插入测试信号ITU Intelligent Traffic System 智能交通系统ITV International Telecommunication Service 国际电信业务International Telecommunications Union 国际电信联盟IU Industrial Television 工业电视IVCS Interactive Television 交互式电视IVDS Information Unit 信息单元IVOD Intelligent Video Conferencing System 智能视频会议系统IVS Interactive Video Data Service 交互视频数据业务Interactive Video On Demand 交互点播电视Interactive Video System 交互视频系统 Integrated Circuit Card IC卡ID Identifier 标识符IPPV Impulse Pay Per View 即时按次付费节目IRD Integrated Receiver Decoder 综合接收解码器ISO International Organization for Standardization 国际标准化组织IEC International Electronical Commission 国际电工委员会
JB Junction Box 接线盒JCTA Japan Cable Television Association 日本有线电视协会JPEG Joint Photographic Experts Group 联合图片专家组JSB Japan Satellite Broadcasting Inc 日本广播卫星公司 JTC Joint Technical Committee 联合技术委员会Julian Date 儒略日期
KB Keyboard 键盘knit 密接
LAN Local Area Network 局域网LBC Low Bit-rate Coding 低码率编码LC Lossless Coding 无损编码LCD Liquid Crystal Display 液晶显示器Light Coupled Device 光耦合器件LD Laser Diode 激光二极管LDTV Low Definition Television 低分辨率数字电视IED Light-Emitting Diode 发光二极管LF Low Frequency 低频LFE Low Frequency Response 低频响应LFO Low Frequency Oscillator 低频振荡器LI Level Indicator 电平指示器LMDS Local Microwave Distribution System 本地微波分配系统LNA Low Noise Amplifier 低噪声放大器LO Local Oscillator 本地振荡器LPF Low Pass Filter 低通滤波器LRC Longitudinal Redundancy Checking 纵向冗余校验LS Light Source 光源LSD Large Screen Display 大屏幕显示器LSI Large Scale Integrated Circuit 大规模集成电路LSN Local Supervision Network 本地监测网LTC Longitudinal Time Code 纵向时间码LVD Laser Vision Disc 激光电视唱片LVR Laser Video Recording System 激光视盘录制系统 launching point 发射点LSB Least Significated Bit 最低有效位
MAC Multiplexed Analog Components 复用模拟分量MAN Metropolitan Area Network 都市网MAPI Multimedia Application Programming Interface 多媒体应用编程接口MATV Master Antenna Television 共用天线电视MC Main Control 主控Media Composer 非线性媒体编辑系统Motion Compensation 运动补偿Multimedia Communication 多媒体通信MCI Media Control Interface 媒体控制接口MCPC Multi-Channel Per Carrier 多路单载波MCR Master Control Room 主控制室Mobile Control Room 转播车，移动控制室MD Magnetic Drum 磁鼓MDM Multimedia Data Management 多媒体数据管理MDOP Multimedia Data Operation Platform 多媒体数据操作平台MF Medium Frequency 中频MIC Microphone 传声器，话筒MIDI Musical Instrument Digital Interface 乐器数字接口MMDS Multi-Channel Microwave Distribution System 微波多点分配系统 MODEM Modulator And Demodulator 调制解调器MOL Maximum Output Level 最大输出电平MON Monitor 监视器，监听器。MPC Multimedia Personal Computer 多媒体个人计算机MPEG Moving Picture Experts Group 活动图像专家组MPO Maximum Power Output 最大功率输出Music Power Output 音乐功率输出MR Memory Read 存储器读出MSC Main service Channel 主业务信道MT Microwave Transmission 微波传输Magnetic Tape 磁带MTS Modem Termination System 调制解调器终接系统MTSC Mobile Telephone Switching Center 移动电话交换中心MTU Maximum Transfer Unit 最大输出单元MTV Music Television 音乐电视MVDS Multimedia Video On Demand System 多媒体视频点播系统MVL Master Video Library 主视频数据库MWS Microwave Station 微波站multicrypt 多密multiplex 复用multiplexer（MUX） 复用器MJD Modified Julian Date 修正的儒略日期MPEG Moving Pictures Expert Group 运动图像专家组MSB Most Significant Bit 最高有效位MUX Multiplexer 复用器mask 掩码MBPS 兆比特每秒
NAB National Association 0f Broadcasters (美国)全国广播工作者协会NAOD Near Audio-On-Demand 准点播音频NBC National Broadcasting Company （美国）全国广播公司NC Network Computer 网络计算机News Cutter 新闻编辑系统Noise Criterion 噪声尺度NDB Network DataBase 网络数据库NEB Noise Equivalent Bandwidth 噪声等效带宽NHK Nippon Hoso Kyokai 日本广播协会NI Noise Index 噪声指数NII National Information Infrastructure （美国）国家信息基础设施NIM Network Interface Module 网络接口模块N-ISDN Narrow Band-ISDN 窄带综合业务数据网NLE Non-Linear Editing 非线性编辑NLES Non-Linear Editing System 非线性编辑系统NMT Network Management Terminal 网络管理终端NNI Network-Network Interface 网络一网络接口Network-Node Interface 网络节点接口NO Network Operator 网络运营者NT Network Terminal 网络终端NTE Network Termination Equipment 网络终接设备NTSC National Television System Committee (美国)国家电视系统(制式)委员会NVOD Near Video On Demand 准视频点播 NVOD Near Video On Demand 准视频点播NDA Non Disclosure Agreement 保密协议NIT Network Information Table 网络信息表
OAB One-to-All Broadcast 单向广播 OAN Optical Access Network 光纤接入网OAW On-Air Workstation 播出工作站OB Outside Broadcast 实况广(转)播ODN Optical Distribution Node 光分配节点OFC Optical Fiber Cable 光缆ONU Optical Network Unit 光网络装置OO Object Oriented 面向对象OOP Object-Oriented Programming 面向对象编程OS Operation System 操作系统OSS Optimal Stereo Signal 最佳立体声信号OTDM Optical Time Division Multiplexing 光时分复用OTT Optical Transmission Technology 光传输技术OWA One-Way Addressable 单向寻址 oxide resume power 氧化还原电位out-of-the-box 拆盒即可使用的OSD On Screen Display 屏幕显示OSI Open Systems Interconnect 开放系统互连
PA Power Amplifier 功率放大器PAM Pulse Amplitude Modulation 脉冲幅度调制PAS Public Address System 扩声系统PBX Private Branch Exchange 专用小交换机PC Perceptual Coding 感知编码Picture Coding 图像编码PCI Peripheral Component Interconnect 外围部件互连(总线)pixel 像素PCL Play Control List 播放控制表PCM Pulse Code Modulation 脉码调制PDA Pulse Distribution Amplifier 脉冲分配放大器PDH Pseudo-synchronous Digital Hierarchy 准同步数字系列PDN Public Data Network 公用数据网PE Phase Encoding 相位编码PFM Pulse Frequency Modulation 脉冲频率调制PIO Parallel Input Output 并行输入输出PL Private Lines 专用线路PM Phase Modulation 相位调制P-PSN Public Packet Switched Network 公共包交换网络PS Power Supply 电源Packet Switch 数据包交换机Program Stream 节目码流PSC Program Switching Center 节目切换中心PSE Packet-Switched Exchanger 分组交换机PSN Public Switching Network 公共交换网PSTN Public Switching Telecommunication Network 公共交换电信网PTV Pay Television 付费电视Projection Television 投影电视PW Pulse Width 脉宽present/following flag 当前/后续标志 parity 奇偶hierarchy 分层pixel 像素PAT Program Association Table 节目关联表PCMCIA Personal Computer Memory Card International Association 个人计算机存储卡国际协会PDG Private Data Generator 专用数据发生器PES Packet Elementary Stream 打包基本流PID Packet Identifier 包标识符PMT Program Map Table 节目映射表PPC Pay Per Channel 按频道付费PPV Pay Per View 按次付费PSI Program Specific Information 节目特定信息proprietary 专有
QAM Quadrature Amplitude Modulation 正交调幅QCIF Quarter Common Intermediate Format 四分之一通用中间格式QOS Quality-of-Service 业务质量QSIF Quarter Standard Intermediate Format 四分之一标准中间格式 QPSK Quaternary Phase Shift Keying 四相相移键控quaternary phase shift 四相相移quadrature 正交调幅
RAID Redundant Array of Inexpensive Disc 廉价磁盘冗余阵列RAM RBDS Random Access Memory 随机存取存储器RBW Radio Broadcast Data System 无线广播数据系统RCC Reference Bandwidth 参考带宽RDS Route Control Center 路由控制中心RF Radio Data System 广播数据系统RFA Radio Frequency 射频RIU Raman Fiber Amplifier 拉曼光纤放大器RMS Remote Interface Unit 远端用户单元ROM Root Mean Square 均方根值，有效值RP Read-only Memory 只读存储器Radio Paging 广播寻呼RT Record Pointer 记录指针RTA Radio Text 广播文本RTCA Real Time Analyzer 实时分析（仪），频谱分析（仪）RTS Real Time Control Area 实时控制区Real Time Simulator 实时模拟RTV Real Time System 实时系统RVC Real Time Video 实时视频RVS Remote Video Conference 远程视频会议RZ Remote Video Surveillance 遥控视频监视Return to Zero 归零(码)，复零 RS Read-Solomon 里德—所罗门rpchof Remainder polynomial coefficients, highest order first 余数多项式系数，高项在先repeater 中继器remainder polynomid 余数多项式rising/falling edge 上升/下降沿rpchof Remainder Polynomial Coefficients, Highest Order First 多项式余数，高阶在先ranking list 排名radix point 小数点
SA Source Address 源地址SAN Small Area Network 小区网络Storage Area Network 存储区域网络SARFT State Administration of Radio Film and TV （中国）国家广播电影电视总局SAW Surface Acoustic Wave 声表面波SAWF Surface Acoustic Wave Filter 声表面波滤波器S-CDMA Synchronous-Code Division Multiple Access 同步码分多址方式SCE Single Channel Encoder 单信道编码器SCMS Serial Copy Management System 成套复制管理系统SCN Space Cable Network （ 通信）卫星CATV节目传送网络SDB Switched Digital Data Interconnect 交换数字广播SDH Synchronous Digital Hierarchy 同步数字系列SDI Serial Digital Interface 串行数字接口Standard Data Interface 标准数据接口SDMA Space Division Multiple Access 空分多址SDN Synchronous Digital Transmission Network 同步数字传输网络SDTV Standard Definition Television 标准清晰度电视SE Sound Effect 音响效果SEA Sound Effect Amplifier 音响效果放大器Special Effect Amplifier 特技放大器SEG Special Effect Generator 特技发生器SI Service Information （ 数字电视）业务信息SIO Serial Input /Output 串行输入/输出SLA Semi-conductor Laser Amplifier 半导体激光放大器SMF Single Mode Fiber 单模光纤SMS Subscriber Management System 用户管理系统SNG Satellite News Gathering 卫星新闻采集系统SNR Signal to Noise Ratio 信噪比SONET Synchronous Optical Network 同步光纤网SPG Sync-Pulse Generator 同步脉冲发生器SPI Synchronous Parallel Interface 同步并行接口SPOT Satellite Positioning and Tracking 卫星定位与跟踪SS Small Scale Integrated Circuit 小规模集成电路ST Studio 演播室STC Satellite Tracking Center 卫星跟踪中心STM Synchronous Transfer Mode 同步转移模式STS Satellite Transmission System 卫星传输系统SW Short Wave 短波 scramble/descramble system 加扰/解扰系统simulcrypt 同密SCS simulcrypt synchronizer (SCS) 同密同步器SC Smart Card 智能卡SAS Subscriber Authorization System 用户授权系统SCR Scrambler 加扰器SCS Simulcrypt Synchroniser 同密同步器SDT Service Description Table 业务描述表SIG Service Information Generator 业务信息发生器SMS Subscriber Management System 用户管理系统SPDU Session Protocol Data Unit 会话协议数据单元ST Stuffing Table 填充表STB Set Top Box 机顶盒SMI storage media interoperability 存储媒体互操作性self-correlation 自相关scale factor 比例因子segment package 段封装secret key 密钥
TA Terminal Adapter 终端适配器Traffic Announcement 交通广播Trunk Amplifier 干线放大器TAD Trunk Adapter 干线适配器TBC Time Base Corrector 时基校正器TC Temperature Coefficient 温度系数Time Code 时间码Transfer Control 传输控制TCC Television Control Center 电视控制中心TDA Trunk Distribution Amplifier 干线分配放大器TD-CDMA Time Division-Code Division Multiple Access 时分-码分多址TDM Time Division Multiplexing 时分复用THD Total Harmonic Distortion 总谐波失真TOS Tape Operating System 磁带操作系统TP Test Point 测试点TPS Tracking Pilot Signal 跟踪导频信号TS Transport Stream 传送码流TSC Television Standard Converter 电视制式转换器TVM Television Monitor 电视监视器 TVS Television Studio 电视演播室TVT television translator 电视转发器(差转机)transport stream 传送流trans-control 转移控制tcimsbf two's complement integer msb (sign) bit first 2的补码，高位（符号位）在先TCP Transport Control Protocol 传输控制协议TDT Time and Date Table 时间和日期表TPDU Transport Protocol Data Unit 传输协议数据单元TS Transport Stream 传送流tuple 元组transmitter 发射机transposer 差转机TOT Time Offset Table 时间偏移表TS Transport Stream 传输流teletext 图文电视
UA User Agent 用户代理UDP User Data Protocol 用户数据协议UDTV Ultra High Definition TV 特高清晰度电视UHF Ultra-High Frequency 特高频ULF Ultra-Low Frequency 超低频UNI User Network Interface 用户网接口UP User Plane 用户平面UPI User Premises Interface 用户室内接口USS United States Standard 美国标准USSB United States Satellite Broadcasting 美国卫星广播（公司）UV Ultra Violet 紫外（线）UW Ultrasonic Wave 超声波 user nibble 用户节目内容分类UTC Universal Time, Co-ordinated 坐标化的通用时间universal serial bus 串行总线 UDP User Datagram Protocol 用户数据报协议uimsbf unsigned integer most significant bit first 无符号整数，高位在先UTC Universal Time Coordinated 世界协调时unit's digit 个位
VAM Video Access Module 视频接入模块VAN value Added Network 增值网络VAS value Added Service 增值业务VB Video Animation System 视频动画系统Virtual Bench 虚拟装置VCA Voltage Controlled Amplifier 压控放大器VCD Variable Capacitance Diode 变容二极管Video CD 数字激光视盘VCP Video Cassette Player 盒式放像机VCR Video Cassette Recorder 盒式录像机VD Vertical Drive 场驱动VDA Video Distribution Amplifier 视分放大器VDT Video Display Terminal 视频显示终端VE Video Engineer 视频工程师VEQ Video Equalizer 视频均衡器VES Virtual Editing System 虚拟编辑设备VESA Video Electronics Standard Association (美国)视频电子标准协会VF Video Frequency 视频VG Video Graphics 视频图形VGA Video Graphics Array 视频图形阵列（显示卡）VHF Very High Frequency 甚高频VHS Video Home System 家用视频系统VIP Visual Image Processor 视频图像处理器VITC Vertical Interval Time Code 场消隐期时间码VITS Vertical Interval Test Signal 场消隐期测试信号VLC Variable Length Coder 可变长度编码器VLSI Very Large Scale Integrated Circuit 超大规模集成电路VOD Video-On-Demand 视频点播 VR Virtual Reality 虚拟现实VRC Vertical Redundancy Checking 垂直冗余检验 VS Video Server 视频服务器Video Session 视频会议VSM Video Service Module 视频业务模块VSB Vestigial Side-Band 残留边带VSS Virtual Studio System 虚拟演播室系统VT Visual Telephone 可视电话VTR Video Tape Recorder 磁带录像机vertical blanking interval 场逆程
WA Wireless Access 无线接入WAN Wide Area Network 广域网WAU Wireless Access Unit 无线接入单元WBA Wide Band Amplifier 宽带放大器WBR Write Buffer Register 写入缓存器W-CDMA Wide Band-CDMA 宽带码分多址WD Wavelength-Division 波分WDM Wavelength Division Multiplexing 波分复用WDMA Wavelength Division Multiple Access 波分多址Web TV Web Television 网络电视WFM Wave Form Monitor 波形监视器WLAN Wireless Local Area Network 无线局域网WORM Write Only Read Many 一次性写入多次读出(光盘)WS Working Storage 暂存器WV Working Voltage 工作电压 WSS Wide Screen Signalling 宽屏幕信令
XBS Extra Bass System 超低音系统XDR External Data Representation 外部数据表示 X-FMR X-FORMER 变压器XL Inductive Reactance 感抗XM Cross Modulation 交调XIC Transmission Interface Converter 传输接口转换器XIR Extreme Infrared 远红外线XPNDR Transponder 转发器，应答器XPT Cross Point 交叉点XT Cross Talk 串音，串扰XVTR Transverter 变换器 xor 异或
YEDFA Ytterbium Erbium Co-Doped Fiber Amplifier 镱铒光纤放大器Y/C Luminance/Chrominance 亮度／色度Y-signal Luminance Signal 亮度信号
ZA Zero Adjustment 调零，零点调整ZCP Zero Crossing Point 过零点ZP Zero Potential 零电位ZIT Zone Information Table 网络群信息表
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