A receiver circuit designed to mute (squelch) the audio output when the received signal is too weak to provide acceptable audio or, in some cases, when the wrong signal is being received See also Noise Squelch, Signal Level Squelch, Tone Coded Squelch
To squelch means to make a wet, sucking sound, like the sound you make when you are walking on wet, muddy ground. He squelched across the turf
suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion" walk through mud or mire; "We had to splosh across the wet meadow" make a sucking sound
A circuit function that acts to suppress the audio output of a receiver [NTIA] (188) Note: The squelch function is activated in the absence of a sufficiently strong desired input signal, in order to exclude undesired lower-power input signals that may be present at or near the frequency of the desired signal Contrast with noise suppression
to compress with violence, out of natural shape or condition; "crush an aluminum can"; "squeeze a lemon"
an electric circuit that cuts off a receiver when the signal becomes weaker than the noise