> >>Goodday, >>Anyone have a sonic circuit that can be used to stop a dog barking. >>Have searched the net and still looking. >>Tks >>Grant Forest >>(always awake as the nextdoors dog is always barking) > Dogs are very sensitive to ultrasonic frequencies. Maybe you can find a frequency or combination thereof that this guy won't like. Or maybe detect his every bark, and echo it back at him at ultra high frequency. - Dan Michaels Oricom Technologies http://www.sni.net/~oricom ==========================