Are there any devices or technology that allow one to hear all the high frequency noise causing a dog to bark at seemingly nothing all the time, so the dog might be trained to not bark at everything or at least know what to not get so excited over?

There are devices and technologies available that can help with a dog's high-frequency noise causing excessive barking. These devices are designed to either deter the dog from barking or provide training cues to help the dog learn appropriate behavior. Here are some options:

1. Ultrasonic Devices: Ultrasonic devices emit high-pitched sounds that are only audible to dogs, not humans. These devices can be used to interrupt the barking behavior and teach the dog to associate barking with an unpleasant sound.
   
   
   
   

2. Vibration Collars: Vibration collars are designed to distract the dog from barking by providing a gentle vibration sensation. These collars are triggered by the dog's barking and can help redirect their attention and discourage excessive barking.
   
   
   
   

3. Spray Collars: Spray collars release a burst of air or citronella spray when the dog barks, which can be distracting and unpleasant for the dog. The spray acts as a correction and helps the dog associate barking with an undesirable consequence.
   
   
   
   

While these devices can be effective in reducing excessive barking, they should be used in conjunction with positive reinforcement training methods. Positive reinforcement training focuses on rewarding desired behaviors and teaching the dog alternative behaviors to replace barking.