论文部分内容阅读
在NAB’97的“DAB试验阳法规”研讨会上，法国电视广播公司（TDF）的DanielBochent先生报告了三个还处于萌芽状态的系统概念。这三个系统的目的在于：为长波、中波和短波广播实现数字化提供一个升级途径。面对着FM、卫星、电缆、Internet以及其它媒介的挑战，国际短波广播电台
At the NAB ’97 Symposium on “DAB Tests and Regulations,” Mr. Daniel Bochent of the French television broadcaster (TDF) reported on three still nascent system concepts. The purpose of these three systems is to provide an upgrade path for digitizing long, medium and shortwave broadcasts. Faced with the challenges of FM, satellite, cable, the Internet and other media, International Shortwave Radio