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ABBREVIATIONS EBU Technical Review ABBREVIATIONS EBU Technical Review AbbreviationsLast updated: January 2012 720i 720 lines, interlaced scan ACATS Advisory Committee on Advanced Television 720p/50 High-definition progressively-scanned TV format Systems (USA) of 1280 x 720 pixels at 50 frames per second ACELP (MPEG-4) A Code-Excited Linear Prediction 1080i/25 High-definition interlaced TV format of ACK ACKnowledgement 1920 x 1080 pixels at 25 frames per second, i.e. ACLR Adjacent Channel Leakage Ratio 50 fields (half frames) every second ACM Adaptive Coding and Modulation 1080p/25 High-definition progressively-scanned TV format ACS Adjacent Channel Selectivity of 1920 x 1080 pixels at 25 frames per second ACT Association of Commercial Television in 1080p/50 High-definition progressively-scanned TV format Europe of 1920 x 1080 pixels at 50 frames per second http://www.acte.be 1080p/60 High-definition progressively-scanned TV format ACTS Advanced Communications Technologies and of 1920 x 1080 pixels at 60 frames per second Services AD Analogue-to-Digital AD Anno Domini (after the birth of Jesus of Nazareth) 21CN BT’s 21st Century Network AD Approved Document 2k COFDM transmission mode with around 2000 AD Audio Description carriers ADC Analogue-to-Digital Converter 3DTV 3-Dimension Television ADIP ADress In Pre-groove 3G 3rd Generation mobile communications ADM (ATM) Add/Drop Multiplexer 4G 4th Generation mobile communications ADPCM Adaptive Differential Pulse Code Modulation 3GPP 3rd Generation Partnership Project ADR Automatic Dialogue Replacement 3GPP2 3rd Generation Partnership Project 2 ADR Astra Digital Radio 4-PSK 4-state Phase Shift Keying ADSL Asymmetric Digital Subscriber Line 422P@ML(MPEG-2) 4:2:2 Profile at Main Level AES Audio Engineering Society 8-PSK Eight-Phase-Shift Keying http://www.aes.org/ 8-VSB 8-state Vestigial SideBand AF Application Framing 8k COFDM transmission mode with around 8000 AF Automatic Fader carriers AFC Automatic Frequency Control 16-APSK 16-state Amplitude Phase Shift Keying AFD (DVB) Active Format Descriptor 16-QAM 16-state Quadrature Amplitude Modulation AFS Alternative Frequency Switching 64-QAM 64-state Quadrature Amplitude Modulation AFT (IPv6) Address Family Translation 256-QAM 256-state Quadrature Amplitude Modulation AGC Automatic Gain Control agl Above ground level AHG Ad hoc Group A/D Analogue-to-Digital AIFF (Apple) Audio Interchange File Format A/V Audio / Video (Visual) AIT Application Information Table AAC Advanced Audio Coding AKE Authentication and Key Exchange AAL ATM Adaptation Layer AL Alignment Level ABA African Broadcasting Area AL Application Layer ABS Acrylonitrile Butadiene Styrene (thermoplastic) ALM Algorithmic Module ABU Asia-Pacific Broadcasting Union AM Amplitude Modulation http://www.abu.org.my/abu/index.cfm AMDS AM Data System AC Alternating Current AMS Asset Management System AC3 Audio Coding 3, known as Dolby Digital AMSS AM Signalling System EBU TECHNICAL REVIEW – January 2012 1 / 17 ABBREVIATIONS AMT Automatic IP Multicast without explicit Tunnels AWGN Additive White Gaussian Noise AMWA Advanced Media Workflow Association http://www.amwa.tv/ ANC ANCillary data B2B Business-to-Business ANFR Agence Nationale des Fréquences (France) B2C Business-to-Consumer http://www.anfr.fr/ BACOM Bundesamt für Kommunikation ANSI American National Standards Institute (Swiss broadcasting / telecom regulator) ANTS (RAI) Automatic Newscast Transcription System BAS Broadband Access Server AOB (DVD) Audio OBject BASS (audio library) AoIP Audio over IP: broadband audio http://www.un4seen.com/ AP Application Processor BAT (DVB) Bouquet Association Table APG “As-run” Programme Guide BB Broadband BBC British Broadcasting Corporation API Application Programming Interface BC Broadcast APSK Amplitude Phase Shift Keying BCG (DVB) Broadband Content Guide ARD Arbeitsgemeinschaft der öffentlich-rechtlichen Rundfunganstalten der Bundesrepublik BCH Bose-Chaudhuri-Hocquenghem (code) Deutschland (German grouping of regional public BD Burst Duration broadcasters) BDB British Digital Broadcasting ARI Autofahrer Rundfunk Information BDP Bandwidth Delay Product ARIB Association of Radio Industries and Businesses BDS (RAI) Betacam Digitisation System (Japan) BER Basic Encoding Rules ARPU Average Return Per User / Unit BER Bit-Error Ratio ARQ Automatic Repeat reQuest BEM Block Edge Mask AS Administrating Station BGA Ball Grid Array ASBU Arab States Broadcasting Union BGD Broadband Gateway Device ASCII American Standard Code for Information Inter- BIFS BInary Format for Scene description change BIOS Basic Input / Output System ASF (Microsoft) Advanced Streaming Format BISS (EBU) Basic Interoperable Scrambling System ASI Asynchronous Serial Interface BL Base Layer ASIC Application-Specific Integrated Circuit BLV Between Listener Variability asl Above sea level BMC (EBU) Broadcast-technology Management Com- mittee ASM “Any Source” Multicast BMC Broadcast Management Centre ASM Associated Module BMCO Broadcast Mobile Convergence Forum ASP (MPEG-4) Advanced Simple Profile http://www.bmcoforum.org/ ASR Automatic Speech Recognition BMP (Windows) bitmap image ASRC Asynchronous Sample-Rate Converter BNE Broadcast Networks Europe AST Auto-Store Tuning http://www.broadcast-networks.eu/ ATA Advanced Technology Attachment BoD Bandwidth on Demand ATIP Absolute Time In Pre-groove BoM Bill of Materials ATIS Alliance for Telecommunications Industry Solu- BPSK Binary Phase-Shift Keying tions (USA) BRR Bit-Rate Reduced http://www.atis.org/ BRS Binaural Room Scanning ATM Asynchronous Transfer Mode BS Broadcast Server ATM Automatic Teller Machine BS Burst Spacing ATS Advanced Television System BSAC Bit Sliced Arithmetic Coding ATSC Advanced Television Systems Committee (USA) BSM Broadcast Schedule Manager http://www.atsc.org/ BSS Broadcast Satellite Service ATV Advanced Television BSS Business Support Service AU (MPEG) Access Units BSS(S) Broadcast Satellite Service (Sound) AV Audio-Visual BTF Broadcast Technology Futures group AVC (MPEG-4) Advanced Video Coding, part 10 (aka BTH Broadcasting To Handhelds H.264) BTV Broadband TeleVision AVI (Microsoft) Audio-Video Interleaved BUP (DVD) Back-UP of IFO files AWG Arbitrary Waveform Generator BWF (EBU) Broadcast Wave Format EBU TECHNICAL REVIEW – January 2012 2 / 17 ABBREVIATIONS BWS (DAB) Broadcast Web Site (European Conference of Postal and Telecommunications Administrations) http://www.cept.org/ CERN European Laboratory for Particle Physics (Gene- C/I Carrier-to-Interference ratio va) C/N Carrier-to-Noise ratio CERT (US) Computer Emergency Response Team C/N+I Carrier-to-Noise-plus-Interference ratio CFI Confidence Interval CA Conditional Access CFR Crest Factor Reduction CABAC Context-Adaptive Binary Arithmetic Coding CFS Call For Systems CAD Computer-Aided Design CFSM Co-design Finite State Machines CAPEX Capital Expenditure CGC Complementary Ground Component CAR Computer-Aided Radio CGS Coarse Grain Scalability CAS Conditional Access System CGTI Conseil général des technologies de l’information CATV Community Antenna Television (French Council for Information Technology) CAVLC Context-Adaptive Variable Length Coding CH97 Chester Frequency Agreement of 1997 CBC Canadian Broadcasting Corporation CI Common Interface CBE Constant Bytes per Element CIE Commission Internationale d’Eclairage CBE Corrected Bit Errors http://www.cie.co.at/index_ie.html CBMS (DVB) Convergence of Broadcast and Mobile CIF Common Interchange Format (352x288 pixels) Services CIFS Common Internet File System CBPS Coded Bit Per Symbol CIR Channel Impulse Response CBR Constant Bit-Rate CISPR Comité International Spécial des Perturbations CCD Charge-Coupled Device Radioélectrique CCETT (France Telecom's) Centre Commun d'Etudes de CLM Consistency Loudness Measure Télédiffusion et de Télécommunications CLUT (DVB) Colour Look Up Table CCFL Cold Cathode Fluorescent Lamp CM (DVB) Commercial Module CCI Co-Channel Interference CMMB China Multimedia Mobile Broadcasting CCI Common Client Interface CMOS Complementary Metal-Oxide Semiconductor CCIR (ITU) International Radio Consultative Committee CMS Content Management System CCITT (ITU) International Telegraph and Telephone CMTT (ITU) Joint Study Group for Television and Sound Consultative Committee Transmissions (CCIR/CCITT) CCM Constant Coding and Modulation CMYK Cyan-Magenta-Yellow-blacK (colour model) CCU Camera Control Unit CNCT National Technical Co-ordination Centre CCVS Composite Colour Video Signal CNET (France Telecom's) Centre National d'Etudes des CD Compact Disc Télécommunications CD-i (Philips) Interactive Compact Disc CNG (ITU) Coordination and Negotiation Group CDM Code Division Multiplex CNR Carrier-to-Noise Ratio CDMA Code Division Multiple Access COFDM Coded Orthogonal Frequency Division Multiplex CDN Content Delivery Network COM (Microsoft) Component Object Model CDS Central Discovery Service CoP4 (Pro-MPEG) Code of Practice 4 CDS Content Directory Service CORBA Common Object Request Broker Architecture CE Commission Européenne (European Commis- COST European Cooperation in the field Of Scientific sion) and Technical research CE Consumer Electronics CPCM (DVB) Content Protection and Copy Manage- CEK (OMA) Content Encryption Key ment CELP Code-Excited Linear Prediction CPE Common Phase Error CEM Centre d’Ecoutes et de Mesures (Jurbise, Bel- CPG (CEPT) Conference Preparatory Group gium) CPM (ITU) Conference Preparatory Meeting CEMA Consumer and Electronics Manufacturers Asso- CPU Central Processing Unit ciation (USA) CQS Continuous Quality Scale CEN Comité Européen de Normalisation
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