Dog Whistle

dog whistle

A dog whistle is a type of whistle used in the training of dogs and cats. It was invented by British polymath, Francis Galton. The frequency range of a dog whistle is largely out of the range of human hearing. Typically, a dog whistle is within the range of 16 to 22 kHz with only the frequencies below 20 kHz audible to the human ear.

Some dog whistles have adjustable sliders for active control of the frequency produced. Depending on the way the whistle is used, a trainer may simply gather a dog’s attention or inflict pain for the purpose of behavior modification. The name dog whistle is often used for both lung-powered whistles as well as electronic devices that emit ultrasonic sound via piezoelectric emitters. The electronic variety are sometimes coupled with bark detection circuits in an effort to curb barking behavior.

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