Technology: Wall-to-wall muzak to blast across the airwaves

 作者:满吏     |      日期:2019-02-28 02:15:01
By BARRY FOX This winter the first digital radio signals will be beamed into British homes by satellite, bringing an unprecedented choice of music. Two competing services will have the capacity between them to provide nearly a hundred different programmes, all with CD-quality sound. The US company Digital Music Express (DMX) will begin broadcasting from the Astra satellite this winter, while a rival company, Music Choice Europe, will start broadcasting soon afterwards. MC Europe is backed by two of the world’s largest record companies, the Sony Software Corporation (formerly CBS) and the Warner Music Group. Astra already broadcasts 48 television channels to Europe. DMX and MC Europe will rent unused channels on the satellite and using digital compression technology the two services will be able to transmit around ninety radio programmes simultaneously. With so many radio channels available, the broadcasters can provide highly specialised channels, such as one for baroque music. To discourage home taping, DMX and MC Europe have agreed not give any advance warning of tracks to be played. They will also transmit digital labels which the receiver can decode to display details of the recording being played. Listeners will find it easy to buy what they have heard and liked. Sony and Warner believe this will stimulate record sales. DMX recently signed a deal with Sky to subcontract the unused space on Sky’s existing television channels. So DMX can promise to start its service this winter. MC Europe is negotiating for space on Astra’s fourth satellite, which is due to go into orbit this September. The DMX system is now available in the US, by cable network. Shops are using it to provide nonstop,