noise suppressor

noise suppressor

[′nȯiz sə‚pres·ər]
(electronics)
A circuit that blocks the audio-frequency amplifier of a radio receiver automatically when no carrier is being received, to eliminate background noise. Also known as squelch circuit.
A circuit that reduces record surface noise when playing phonograph records, generally by means of a filter that blocks out the higher frequencies where such noise predominates.

noise suppressor

noise suppressor
A device installed in the tailpipe of a gas turbine engine to slow the mixing of exhaust gases with the surrounding air, thus decreasing the intensity of sound.
References in periodicals archive ?
The engine-mounted Avcon Stage 3 Noise Suppressor incorporated with other unique features will allow Learjet 20 series airplanes to comply with the government-mandated Stage 3 noise restrictions that go into effect in December 2015.
Noise suppressor designed and used in the railway environment by staff during train manufacturing.
The software suite on the phone includes HelloSoft's highly-optimised and widely-deployed VOIP software, including media engine and SIP stack and QoS with adaptive jitter buffer, enhanced PLC, noise suppressor and echo cancellers for excellent quality VOIP over WiFi and WiMAX.
Boze, for the design and implementation of the DNF 001 multiband digital audio noise suppressor.
It was also used extensively for night sniping with an ANPVS-2 Starlight scope and a Sionics noise suppressor in place, an incredibly capable and effective combination.
We recently announced our application and significant progress toward approval of a Supplemental Type Certificate (STC) for the AVCON Stage Three Noise Suppressor to be installed on the 20 series Learjet.
SPIRIT Speech Enhancement technology, including Acoustic Echo Canceller, Noise Suppressor, several specialized Automatic Gain Controls and other voice-enhancing features, has been optimized specifically for VMTS's SoC and DSP core requirements.
Installation of the Avcon Noise Suppressor on the Learjet 20 series airplanes should allow continued use of the airplanes in 2016 and beyond.
The Noise Suppressor and Echo Canceller for Single or Dual Microphones removes both stationary and non-stationary noise, improves audio quality both for outgoing and incoming voice, and increases quality with the built-in AudioEngine (TM) DSP (2).
Voice-activated dialing makes it easier to dial, and a Noise Suppressor option makes it easier for the listener to hear.
Appliance design will also be simplified by eliminating the use of a noise suppressor and by being able to drive the ACS directly from a microcontroller, which in turn will be protected against gate kickback.
The shooters will have noise suppressors on their rifles, so as not to disturb residents or alert the targets.