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The top end of a dog's hearing range is about 45 kHz, while a cat's is 64 kHz. [3] [4] It is thought that the wild ancestors of cats and dogs evolved this higher hearing range in order to hear high-frequency sounds made by their preferred prey, small rodents. [3]
As dogs hear higher frequency sounds than humans, they have a different acoustic perception of the world. [24] Sounds that seem loud to humans often emit high-frequency tones that can scare away dogs. Whistles which emit ultrasonic sound, called dog whistles, are used in dog training, as a dog will respond much better to such levels. In the ...
In her 2008 book Barking: The Sound of a Language, [18] Turid Rugaas explains that barking is a way a dog communicates. She suggests signaling back to show the dog that the dog's attempts to communicate have been acknowledged and to calm a dog down. She suggests the use of a hand signal and calming signals called 'splitting'.
[23] [24] The wild ancestors of cats and dogs evolved this higher hearing range to hear high-frequency sounds made by their preferred prey, small rodents. [23] A dog whistle is a whistle that emits ultrasound, used for training and calling dogs. The frequency of most dog whistles is within the range of 23 to 54 kHz. [25]
[3] [1] Devices emitting loud noises have also been used, including broadcasts of killer whale sounds, pingers, and acoustic buzzers. [3] These often employ shrill sounding screams broadcast between 12 and 17 kHz. Acoustic deterrent devices normally broadcast near 10 kHz and use high volume. [3]
The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is intentionally tuned to be heard primarily by younger people. Nicknamed "Mosquito" for the buzzing sound it plays, the device is marketed as a safety and security tool for preventing youths from congregating in ...
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Howling – indicates the dog is present, or indicating that this is its territory. [24] Bark-howl, 2–3 barks followed by a mournful howl – dog is relatively isolated, locked away with no companionship, calling for company or a response from another dog. [25] Baying – can be heard during tracking to call pack-mates to the quarry. [26]
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