You might be considering whistle training for dogs if you’re hoping to work on ... on a windy day or if there is other background noise going on.” Whistles are great if you want to cut through ...

(Photo Credit: E+/Getty Images) Alarm or fear. Some dogs bark at any noise or object that catches their attention or startles them. This can happen anywhere, not just in their home territory.

Several reviewers reported it effective in calming their dogs. However, to make a sound machine the most effective, you may want to combine it with other noise-blocking items, recommends DeWillems.