 Turning on a TV or a radio and turning the volume up fairly loud. Can hopefully cover the sound. There are also noise-canceling headphones for dogs. If your vet knows about your pet's situation, sometimes medicines can help. But ultimately, he says, try to desensitize your animal to the sounds by playing a recording of fireworks over time. Increasing the volume so that it's getting louder, getting louder, getting louder, and they're still ignoring it. But that will take time. Mike Murillo, WTOP News.