Grundig Digital Radio manual Glossary of Acronyms

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DIGITAL RADIO GUIDEAPPENDIX C: ACRONYMS

APPENDIX C

Glossary of Acronyms

AAC

Advanced Audio Coding

AAS

Advanced Application Services

ADR

Astra Digital Radio

AM

Amplitude Modulation

API

Advanced Programming Interface

ATM

Asynchronous Transfer Mode

BBC

British Broadcasting Corporation

BER

Bit Error Rate

Bit

Binary digit

Bitrate

Rate of flow of bits per second

BSS(S)

Broadcast satellite services (Sound)

BWS

Broadcast Website

CA

Conditional Access

CBC

Canadian Broadcasting Corporation

CCETT

Centre Commun d’Etudes de Telediffusion et Telecommunication (Research

 

Laboratories of France Telecom and Telediffusion de France)

CD

Compact Disc

CDMA

Code Division Multiple Access

CEG

Consumer Equipment Group

CELP

Code Excited Linear Prediction

CEMA

Consumer Electronics Manufacturers Association

CEPT

European Conference of Postal and Telecommunications Administrations

codec

Coder / Decoder

COFDM

Coded Orthogonal Frequency Division Multiplex

CP

Continual Pilot

CRC

Communications Research Centre Canada

CRTC

Canadian Radio-television and Telecommunications Commission

DAB

Digital Audio Broadcasting

DARS

Digital Audio Radio Service

DAT

Digital Audio Tape

DAW

Digital Audio Workstation

DMB

Digital Multimedia Broadcasting

DQPSK

Differential Quadrature Phase Shift Keying

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Contents Page Page Foreword Page Table of Contents Appendix C Glossary of Acronyms Introduction What is Digital Radio? Digital Radio Systems Terrestrial in service date Satellite Service dateDRM+ Why Digital Radio? Terrestrial Transmission Systems DRM Digital Radio MondialeBrief Description of the DRM System Overall designDistribution Interface Audio Source Coding DRM Source Encoding and DecodingDRM Source Decoding Channel coding and modulation Transmitter Considerations Over the air4 DRM+ DAB Eureka System DevelopmentPrincipal Advantages and Challenges System DescriptionChallenges DAB Development Worldwide as BelgiumCanada DenmarkFrance GermanyItaly SingaporeSouth Korea SpainSweden SwitzerlandUnited Kingdom Eureka 147 Main System Features Main System FeaturesInfrastructure Requirements Synergies with Other SystemsSynergies with Digital Radio Mondiale DRM Synergies with Digital Television Future Developments of DABDAB-Based Multimedia Broadcast Systems DMB T-DMB DAB-IP IP over Enhanced Packet ModeGerman DXB Project DAB as carrier of multichannel audio Enhanced Audio Codec, DAB+Digital Radio Guide Terrestrial Transmission Systems DAB Conceptual diagram of the outer coder and interleaver Types of ReceiversIn-Home Receivers In-Car ReceiversHandheld Receivers PC ReceiversList of manufacturers and their DAB products JVCTeac Japans Digital Radio Broadcasting ISDB-TSB OverviewMethods Audio encoding systemError correction system Multiplexing SystemTransmission channel encoding system Modulation method Transmission bandwidthsData Segment Spectra Hierarchical transmission and partial receptionPage Example of connected transmission three TS’s Parameter restrictions in connected transmissionTransmission capacities Information bit rates for the triple-segment transmission*5Characteristics ReceiversOverview of Services Trial receiversReceivers expected Multiple voice broadcastingOutlook for the Future Download service experimentBroadcasting of simplified moving images IBiquity HD Radio System HD Radio Standards Activity HD Radio AM and FM ReceiversHD Radio System Technical Design Overview Typical HD Radio Automobile ReceiversCore Services Main Program Service MPSStation Information Service SIS Advanced Application Services AASHybrid Waveform Waveforms and SpectraFM Extended Hybrid Waveform FM All Digital Waveform HD Radio Subsystems 12 Hybrid AM HD Radio system spectrum allotment13 Functional Block Diagram of HD Radio System Receiver Systems RF/Transmission SystemSound Quality Features Common to North American Digital Radio SystemsMultipath Resistance Frequency Response Audio Quality RatingsMpeg AAC Infrastructure Requirements Deployment Status LicenseesSpectrum Availability Issues related to Terrestrial SystemsCase Study Allocations in Region 18 RRC-06 planning area DAB DVB-T19 T-DAB coverages in Band Entries Implications of Simulcasting HD Radio IbocCoverage DRM Digital Radio MondialeDigital Radio Guide Terrestrial Transmission Systems Issues WorldSpace ITU-R System D Satellite TransmissionBroad Picture WorldSpace Coverage Map Transmission Footprints WorldSpace Up-link Coverage JVC Sirius Satellite Radio / XM Satellite Radio Sirius Overview Sirius Sdars Delivery System Sirius Constellation RaanSirius Ground Track Deployment Status TT&CContinental US Satellites Ground RepeatersMobile Broadcasting Corp. and TU Media Corp. ITU-R System E Introduction Internet Radio IRBringing Radio to the Internet Internet Radio peculiarities Internet Radio as a complement to established radio services Streaming technology for radio services Internet-only stations IR Portals and Music PortalsServer-client Distribution networksWiMAX Multicasting P2P networksInternet Radio terminals and playback devices PodcastingInternet Radios relation with the traditional radio Measuring audience Digital Radio Guide Internet Radio 10.1 VRT Case studiesVirgin Radio Summary and Conclusions Swedish Radio multichannel audio distributionSome Important Radio Portals BeethovenLaunch Music on Yahoo Launch.yahoo.com LiveIM Tuning Radio VH1Last FM MTV RadioSHOUTcast Some Sources for the Digital Radio Guide Etsi Cenelec IEC Digital Radio Guide Sources Appendix a The Eureka 147 System System Description Major System FeaturesOverview Modes of Operation Table A.1 Eureka 147 Transmission ParametersIII Data CapacityData Services Number of audio services in a multiplexTable A.2 Example of possible number of programs Spectrum Issues Eureka 147 Channel PlansAudio Quality Planning Parameters ITU DSB HandbookVHF Band Propagation PropertiesBand 1452-1492 MHz Recent system developments Multimedia Object Transport MOTDynamic Label Slide Show Broadcast WebsiteElectronic Programme Guide EPG DAB Virtual Machine DAB Java EtsiConditional Access DAB Receiver InterfacesFile caching in the receiver SBR LayerTopNews IP datacasting in DAB Tpeg transport in DABAdvanced demodulation technique for Cofdm Table A.3 Etsi Standards relating to EurekaNumber Title Third EditionGSM / Pstn / Isdn / Dect Receiver Standards Table A.4 Receiver Standards for EurekaReference Title ITU Publications and RecommendationsBBC DAB Appendix B Relevant World Wide WebsitesNasb 111 Glossary of Acronyms DRB DrdbDRM DRPIeee IfpiISDB-TSB ITUP2P PADPDA PNGTDM TdmaTMC TmccDisclaimer

Digital Radio specifications

The Grundig Digital Radio represents a significant advancement in radio technology, combining aesthetics, functionality, and a user-friendly interface. As a pioneer in the audio and electronics industry, Grundig has successfully integrated modern digital capabilities into its traditional radio design, appealing to both nostalgic listeners and tech-savvy users.

One of the standout features of the Grundig Digital Radio is its versatility in reception. With DAB+ (Digital Audio Broadcasting) technology, users can enjoy a wide array of radio stations with superior sound quality, free from the hiss and interference commonly associated with analog broadcasts. The inclusion of FM and AM bands ensures that listeners are not limited, providing access to local stations that may not yet have transitioned to digital.

The Grundig Digital Radio is designed with ease of use in mind. Its intuitive interface, often featuring a clear LCD display, allows users to navigate through stations and settings effortlessly. Many models also include a built-in tuner that automatically scans and presets available stations, simplifying the setup process. For those who appreciate personalization, some variants come equipped with customizable presets, allowing users to save their favorite stations for quick access.

Portability is another key characteristic of the Grundig Digital Radio. Many models are lightweight and come with built-in handles, making them ideal for on-the-go listening, whether it's in the garden, on the beach, or during a picnic. Battery options, alongside mains power, ensure that users can take advantage of their radios wherever they choose.

In terms of sound quality, Grundig utilizes advanced audio technologies to deliver rich and clear sound. Enhanced bass responses and treble controls allow users to fine-tune their listening experience to match their preferences. Furthermore, many models feature additional inputs, such as AUX and USB ports, enabling users to connect their smartphones or other devices, expanding their audio options.

Other notable characteristics include built-in alarms and timers, which make the Grundig Digital Radio a versatile companion for daily routines. Some models even support Bluetooth connectivity, allowing for seamless streaming from a variety of devices.

In summary, the Grundig Digital Radio embodies the perfect blend of traditional radio appeal and modern digital technology, offering versatility, ease of use, superior sound quality, and portability to meet the diverse needs of today’s listeners. Its well-thought-out features and user-friendly design make it an excellent choice for anyone looking to enhance their audio experience.