An ultrasonic dog repellent was, at one time, considered to be the ultimate solution in guarding against attacking canines. Lofty claims were made when they were first marketed to the public. Some suggesting that such devices would work without fail and could do so with minimal precision required on the user’s part. Just press the button and forget about it, after all, it produces sounds that people can’t hear so that it won’t annoy a person. Unfortunately, these devices may not perform as expected, which is something that would come as a shock to a user staring down an aggressive animal.
What are the problems associated with an ultrasonic dog repellent?
It has been said that these devices produce shrill tones that will force the animal to stop or flee. Because they, by definition, operate outside the capacity of human hearing, it is unclear what sounds a device produces and if any patterns are used in them. In fact, it’s not always clear when the device is working, period, as there is no feedback for the user to take note of. While most devices come with an indicator light that fires when the device is in use, there is no way of knowing when the light is functioning properly or when it is malfunctioning. Because of that, a user can never be certain their device is acting as intended.
It may not even be clear if the device is working when it is used in a live situation. If the canine continues the pursuit, is it because the device failed, or because the animal was resistant to its effects? Those are the kind of questions a person doesn’t want to think about when they are being chased by an aggressive canine.
That aside, there are other concerns with ultrasonic dog repellent models that are unfortunate aspects of the technology. For example, the higher a sound frequency, the more narrow its beam width. Narrow beam widths are more difficult to aim. A user will have to aim the ultrasonic dog repellent as precisely as possible, which may not be a reasonable expectation when being pursued by an aggressive canine.
Devices that produce audible sounds take a different approach, and one that appears to be more efficacious. There’s nothing special about tones outside the human range of hearing, and in fact, the canine’s sensitive range of hearing is inside a human’s audible range as well. The Sound Defense is one such device that employs audible tones, and it works by presenting a dizzying array of audio patterns in quick succession. Most canines are unprepared for this and are either confused or alarmed by the Sound Defense. That’s what makes it so effective, and because it operates at lower frequencies, it is easier to aim. Many of its users mount the Sound Defense to a bike or waistband, and just switch it on and point it in the direction of the dog when it’s time. No need for steady aiming or hoping that the device is actually working. Just switch it on, and it is designed to cause an aggressive animal to retreat.
Back to main topic: Dog Repellent
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