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Encyclopedia > EUREKA 147

Eureka 147 is a protocol for digital radio broadcasting originally developed in Europe, but now being deployed in many countries around the world. In the field of telecommunications, a communications protocol is the set of standard rules for data representation, signaling, authentication, and error detection required to send information over a communications channel. ... This article needs to be cleaned up to conform to a higher standard of quality. ... individually-donated time and energy direct government payments or operation indirect government payments, such as radio and television licenses grants from foundations or business entities selling advertising or sponsorship public subscription or membership fees charged to all owners of TV sets or radios, regardless of whether they intend to receive... World map showing Europe Political map Europe is one of the seven continents of Earth which, in this case, is more a cultural and political distinction than a physiographic one, leading to various perspectives about Europes borders. ...


It is more commonly known as Digital Audio Broadcast (DAB), although this can also apply to other methods such as IBOC and IBAC. Eureka 147 is operated in band III 174 to 240 MHz and in the L band, from 1452 to 1492 MHz, but can also operate in UHF bands in some countries. Several radio stations share a single radio signal by multiplexing their digital audio bitstreams together, being later decoded at the receiver. Digital Audio Broadcast or DAB is a standard for digital radio broadcast developed by EUREKA as a research project for the European Union. ... In-band on-channel (IBOC) is a method of transmitting digital and analog radio broadcast signals simultaneously on the same frequency. ... Although rarely called by its name, IBAC is the method of placing digital TV stations on channels in the existing analog TV bands. ... MegaHertz (MHz) is the name given to one million (106) Hertz, a measure of frequency. ... L band (20-cm radar long-band) is a portion of the microwave band of the electromagnetic spectrum ranging roughly from 0. ... This article is about the radio frequency. ... A band is a small section of the spectrum of radio communication frequencies, in which channels are usually used or set aside for the same purpose. ... To meet Wikipedias quality standards and appeal to a wider international audience, this article may require cleanup. ... In telecommunication, signalling (or signaling) has the following meanings: The use of signals for controlling communications. ... In telecommunications, multiplexing (also muxing or MUXing) is the combining of two or more information channels onto a common transmission medium using hardware called a multiplexer or (MUX). ... Digital audio comprises audio signals stored in a digital format. ... A bitstream or bit stream is a time series of bits. ... For other senses of the word code, see code (disambiguation). ... In radio terminology, a receiver is an electronic circuit that receives a radio signal from an antenna and decodes the signal for use as sound, pictures, navigational-position information, etc. ...


See also

Digital Audio Radio Satellite or DARS (also as SDARS, for Satellite Digital Audio Radio Service, among many variations) is the FCC term for satellite radio, currently being made popular in the U.S. by XM Radio and Sirius. ... ...

External links

  • BBC Datasheet on Eureka 147
  • WorldDAB site

  Results from FactBites:
 
Wat is DAB? (905 words)
Voor de naam Eureka 147 werd gekozen, omdat een technische corporatie bestaat onder de naam Eureka.
Eureka 147 ontwikkelde uiteindelijk het DAB-standard – het digitale radio systeem – dat de luisteraars een geluidskwaliteit biedt dat gelijk staat aan het geluid van de cd-speler en, naast de mogelijkheid om gebruik te maken van extra services, ook de uitzending goedkoper zal maken.
Het was tijd om het Eureka 147 Consortium te versmelten met het World DAB forum, dat zich bezighoudt met het implementeren van het DAB systeem.
Digital Raido -- The Eureka 147 DAB System (1353 words)
Eureka 147 DAB is a reliable, multi-service, digital radio broadcasting system, designed specifically for robust reception by mobile, portable, and fixed receivers, using simple non-directional antennas.
The Eureka 147 DAB system provides both the listener and the broadcaster with new opportunities and significant benefits compared with existing analogue radio systems.
The Eureka 147 DAB system ensures that radio is well prepared for this revolution, and the commitment of the BBC to implementing DAB will ensure that the British public will be well served by digital radio, at the earliest possible opportunity.
  More results at FactBites »

 
 

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