Cat Dog Talking emit sounds in the high frequency range. Humans can only hear up to 20 kHz, but dogs have much better hearing. Cat Dog Talking app can emit high frequency sounds anywhere in the range from 11,200 Hz to 22,000 Hz. Cat Dog Talking can be used to train your dog, stop your dog from barking, and teach your dog tricks. Cat Dog Talking helps with human-dog communication and helps your dog understand what you\u0027re trying to say Cat Dog Talking helps with human-cat communication and helps your cat understand what you\u0027re trying to say You will know when your dog is hungry, cold or sad. You will know when your cat is hungry, cold or sad.