A world of words
The main purpose is to comfort pets left home alone. Therefore, the content of Dog TV has been developed using scientific studies and help from expert trainers. There is no irritating barking or high-frequency sound.Instead there is music that dogs find soothing. Blue and yellow tones work effectively but not red or green because of canine colour-blindness.
Based on research into dog sleeping patterns, there is a cycle of images that provide pets with stimulation, relaxation and gradual exposure to everyday sounds. ( BBC news)