Pets

Your Home Is Louder Than You Think — To Your Dog

Dogs hear up to roughly 45,000 Hz, well beyond the human limit near 20,000 Hz. Many everyday devices — LED drivers, remotes, chargers, ultrasonic pest repellers — emit high-frequency sounds only your dog can hear. A room that feels silent to you may be a constant, invisible stressor for a sensitive dog.

What the evidence says

You walk into a quiet living room. No TV, no traffic, nothing. To you it is silence. To your dog, the same room might be humming, whining, and buzzing with sounds you will never hear.

The mechanism: a wider window on sound

Dogs hear frequencies up to roughly 45,000 Hz, compared with the human ceiling near 20,000 Hz. That extra range is not just “a little more” — it is an entire band of ultrasonic sound that is part of your dog’s everyday experience and completely absent from yours.

Many modern devices leak energy into that band. LED light drivers, phone chargers, some televisions, motion sensors, remote controls, and — most notoriously — ultrasonic pest and rodent repellers all emit high-frequency tones. To us they are nothing. To a dog they can be a persistent, inescapable whine.

What the studies found

We do not yet have a clean count of how many homes contain dog-audible noise, so this specific claim sits at the anecdotal-to-emerging end of the scale. But the underlying facts are solid. Storengen and Lingaas, studying 17 breeds, found that nearly 1 in 4 dogs shows a fear response to loud sounds — evidence that dogs are, as a group, acoustically sensitive animals. And kennel studies by Kogan and by the Scottish SPCA team show their behavior measurably shifts with the sound environment: classical music reduced barking, pacing, heart rate, and cortisol, while heavy metal increased agitation.

Put together: dogs live in a richer, louder sound world than we do, and that world affects how calm or stressed they are.

Practical takeaways

• Audit the ultrasonic sources. Unplug ultrasonic pest repellers near where your dog rests — they are the most likely offender.
• Notice avoidance. If your dog refuses a particular room or corner, a device there may be the reason.
• Reduce the load, don’t just mask it. Removing a stressor beats covering it up.
• Add calming sound thoughtfully. Classical, soft rock, or reggae at low volume can help — but keep it gentle, because canine ears are far more sensitive than ours.

Want the full picture of how far dogs hear? See dog hearing. If loud events like fireworks are your real worry, read preparing pets for fireworks, and avoid the common errors in 5 mistakes when playing music for pets. Music and a quieter home help — but serious fear still needs a veterinarian.

Cross-reference: Sound Science Library