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音频广播系统设置在学校,用于发表内部信息、发布作息信号、提供背景音乐、播放听力考试录音等,其应用非常广泛,几乎所有的学校都配备音频广播系统。常见音频广播信号传输方法有定压传输、网络传输、同轴电缆传输、调频发射,本文将介绍采用这四种传输方式的主要特点,并从可
Audio broadcasting system set up in schools, for the publication of internal information, release work signals, provide background music, listening test recordings, its wide range of applications, almost all schools are equipped with audio broadcasting system. Common audio broadcast signal transmission methods are constant pressure transmission, network transmission, coaxial cable transmission, FM transmission, this article will introduce the main features of these four transmission methods, and from