acoustic device


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acoustic device - a device for amplifying or transmitting soundacoustic device - a device for amplifying or transmitting sound
bell - a hollow device made of metal that makes a ringing sound when struck
birdcall - a device for imitating a birdcall
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
ear trumpet, hearing aid - a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
megaphone - a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
mouthpiece - an acoustic device; the part of a telephone into which a person speaks
mute - a device used to soften the tone of a musical instrument
muffler, silencer - a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
siren - an acoustic device producing a loud often wailing sound as a signal or warning
slapstick - acoustic device consisting of two paddles hinged together; used by an actor to make a loud noise without inflicting injury when striking someone
speaking trumpet - a trumpet-shaped acoustic device to intensify and direct the human voice; formerly held to the ear by a hard-of-hearing person
whistle - acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
References in periodicals archive ?
She said it was ironic for the police to file the charges when it was the authorities who used all the weapons- the truncheons, the shields, the water cannons, and a new sonic weapon, the Long Range Acoustic Device (LRAD)-to disperse the protesters.
Hushme is a "personal acoustic device that will help you to protect speech privacy in open space environments.
Sources also said that other than PAVA shells, non- lethal ammunition like ' stun lac cells' and Long Range Acoustic Device ( LARD) which create deafening noise to paralyse people were also suggested as possible alternatives to pellet guns.
As Isabelle's mother states, "We were thrilled to learn that there was a good reason why Isabelle couldn't hear speech well in the classroom, and that Isabelle was a good candidate for Able Kids' proprietary and patented acoustic device that can help many people with CAPD.
On the road, it drives well with noise levels nicely suppressed in the cabin - helped by an electronic acoustic device which cancels out unpleasant booming sounds.
Should a steam trap fail or a small leak begin, an acoustic device transmits changes in sound and temperature which are configured to alert operators of a potential problem.
The American-built long-range acoustic device (LRAD) can be used both as a high-powered loud speaker and to emit an ear-piercing beam of sound.
Experts say the weapon, in operation during this week's Exercise Olympic Guardian which tested Games security, is mainly for making crowds disperse and is called the long range acoustic device.
said Friday it has begun selling a long-range acoustic device developed by LRAD Corp.
LRAD provides military personnel highly intelligible, long range voice communication to resolve uncertain situations peacefully and potentially save lives on both sides of the Long Range Acoustic Device.
Alexander Sutin is developing a non-lethal weapon for protecting ports from underwater divers with malicious intentions -- an acoustic device that overwhelms them with the amplified sound of their own breath.
s Long Range Acoustic Device (LRAD) is not a weapon, military or otherwise; it is an effective long-range communications device used to clearly broadcast critical information, instructions and warnings.