瞎扯，FM电台就是典型的宽频把不到20kHz的人声扩展成200kHz

来源: mc3361 于 2012-05-10 16:36:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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瞎扯，FM电台就是典型的宽频 把不到20kHz的人声扩展成200kHz