The best place for video content of all kinds. I know I can convert the mp4 to mp3 first and auto-tune the mp3 file, but I want the output to be a modified video clip with the audio track tuned to a note. Making statements based on opinion; back them up with references or personal experience. 1 hour ago. Ultra Sonic sound pitches, first called the Galton's Whistle, or silent whistle, when played, will shy a dog away from barking.Playing this sound through a waterproof blue tooth speaker in the garden, will keep unwanted dogs away.If you are interested in watching how I bring my videos to life, I have created a short \"Behind The Scenes\" video, demonstrating the techniques of animation, greenscreen etc, used to create Ambience Worlds. One of the most common sounds that annoy people, is the sound of a barking dog.