FM无线电的一项最新发展是HD,又称高清无线电.HD无线电原理上和数字电视相同,电台发出的数字音频信号沿着一条在1和0之间波动的线传输.接受电台由一个能捕捉这些信号的接收器完成,HD无线电提供了清晰的音频,但是接受却不是直接的,就是说你必须将收音机对准信号塔以便接受信号,HD无线电还提供了包括歌曲名称、艺术家、电台账号等信息,而不管这些信息是否是播音室发送的.
英语翻译A new development in FM radio is HD,or High Definition,R
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