The present invention is a method of sound desensitization dog training. The method may be conducted in-person or unattended by a user by means of a smart device through use of a software application operated on the smart device. The method comprises steps of a user selecting a training sound, testing a training sound, setting a duration and a frequency of play cycle for the training sound, playing the training sound repeatedly during a training session, and ending the training session. Optionally, the method may comprise an additional step of dispensing a treat from a treat dispenser after playing the training sound.