frequency sound – Chinese Translation – Keybot Dictionary

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Data show the transient events associated with a particularly well-behaved, AC-coupled headphone amplifier brought out of shutdown. Although high in amplitude, this transient will produce a predominantly low-frequency sound, to which the ear is less sensitive.
图1和图2所示(在时域)为两个不同的耳机放大器退出关断状态的瞬态过程,将第一个交流耦合耳机放大器和第二个直流耦合耳机放大器进行对比,交流耦合耳机放大器退出关断时产生较大的瞬变(图1),这种瞬变产生明显的低频声音,原因是其较慢的开启过程。 (注意,时间标度是100ms/div。)