电视接收机,在选台过程中或电台切换频道或电源通/断瞬间等尤信号时,通常会住扬声器中发出令人讨厌的声音(如:沙沙、“喀啦”噪声),我们通常把抑制这类“噪声”称为“静噪”(MUTE)或称“消音”。用来抑制“静噪”的电路称为静噪电路(Muting Circuit)。 TV receivers often emit obnoxious sounds (such as salsa, “click” noise) in the loudspeaker during channel selection or radio signals such as channel switching or power on / off moment, and we usually put Suppressing this type of “noise” is called “muting” or “muting.” The circuit used to suppress “squelch” is called a muting circuit.