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What is "Squelch" on a wireless receiver? - Shure
https://service.shure.com/s/article/what-is-squelch-on-a-wireless-receiver?language=en_US
The traditional squelch circuit is an audio switch controlled by the radio signal level using a fixed or manually adjustable threshold (level). When the received signal strength falls below this level the output of the receiver is muted.
Squelch function // What is it and how to set it properly
https://www.twowayradiocommunity.com/squelch-function/
The squelch function helps to reduce static and excess noise on your radio Briefly . Setting it properly improves audio quality by filtering out unwanted signals. What is the Squelch ? Squelch in the most simple term is a noise gate. For a signal to be heard it must be loud enough to open the gate and come through on your speaker.
FM Audio/Squelch Board - stevedold.com
http://stevedold.com/squelch/manual.pdf
The method used for gating the audio ensures that no “pops” due to DC voltage changes, capacitor charging/discharging etc. occur when squelching or unsquelching, so the squelch tail is fairly quiet, being purely receiver noise. Space is provided on the board to mount a CTCSS decoder such as a Comm-Spec TS-32 or TS-64.
What Is the Squelch Feature on My ... - Audio-Technica
https://www.audio-technica.com/en-us/support/audio-solutions-question-of-the-week-what-is-the-squelch-feature-used-for-on-my-wireless-system/
Welcome to Question of the Week with the A-T Audio Solutions Team! This week the team discusses the squelch feature found on your wireless system.
Steve's FM Audio/Squelch board - stevedold
http://stevedold.com/squelch/index.html
Squelched, CTCSS-filtered, de-emphasized audio to drive a repeater controller or other device Speaker amplifier with on-board volume control, and provision for external volume control Space on the board to install an optional CTCSS (PL) decoder Separate CTCSS logic output available for controllers that use separate COS and CTCSS logic inputs
Squelch Sound Effects | Soundsnap
https://www.soundsnap.com/tags/squelch
Get Squelch Sounds from Soundsnap, the Leading Sound Library for Unlimited SFX Downloads.
WTD Simple Audio Squelch - Amfone
http://amfone.net/Amforum/index.php?topic=16740.0
A more elegant squelch circuit is the true noise squelch or TNS. This circuit takes some of the audio above 4 kHz by using a bandpass or high pass filter scheme and amplifies it and rectifies it to produce a voltage.
VOTER-Audio - AllStarLink Wiki
https://wiki.allstarlink.org/wiki/VOTER-Audio
To set the audio levels: Send a 1kHz@3kHz on-channel, full-quieting, signal in to the repeater's receiver Use Menu 97 on the RTCM/VOTER to display the receive level. Adjust the RX Input Level potentiometer until the bar graph reaches (matches) 3kHz
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