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DIY Ultrasonic Record Cleaner - What Frequency to Use?
WebApr 26, 2024 · The discussed circuit is designed to discourage dogs from barking in the selected zone by the generation of a synchronized ultrasonic sound waves in response to a few initial barking of a particular dog. The circuit when correctly optimized will produce a high pitched ultra sonic sound each time it senses a dog bark. WebApr 30, 2007 · Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. ... I want to build an industrial-strength ultrasonic anti-barking device. Not like the wimpy plastic things that are sold on the Web, but a real piece of gear that will stand up to the weather, is mains-powered, and will work out to distances of at least 100 feet, but ... how by sputnix
Amazon.com: Ultrasonic Speaker
WebThe ultrasonic waves have a shorter wavelength, hence this variety of speaker produces more directional sound than conventional speaker systems. The graphic below illustrates how people standing within the … WebDec 19, 2015 · The only reference I have is : ultrasonic speaker 38mm horn. In the specifications, I found that it works for frequencies between 9 khz and 46 khz (yes, I'm as astonished as you are). My problem is that I do not know how to build an ultrasound generator. I intend to build a generator, which will be powered on, each time I stop my car. WebTurning Sound Into a Laser CodeParade 444K subscribers Subscribe 25K 662K views 4 years ago Using non-linear acoustics, I'm able to focus audible sound like a laser. I go over some basic... how bystolic work