Stop barking uses ultrasonic dog whistle sound app which will produce anti dog bark sounds to stop barking dog sound. This anti-barking dog sounds maker produces dog noises that get dogs attention and effective dog whistle sounds that make dogs so crazy.
This app use 5000Hz 10 000Hz 15 000Hz and 22 000Hz ultra high frequencies to assist you in training your dog to stop unnecessary barking.
15 000Hz and 22 000Hz cannot be heard by to human ear but falls in a dogs hearing range.
When the dog barks unnecessary press start and as soon as the dog stops stop playing the chosen frequency. The dog will soon realise that when it barks a sound will play that irritates him/her and will stop barking.