The provider agrees to comply with local, state, and federal laws, as well as rules, regulations, and statements of policy applicable to the Medicaid program, including the Medicaid Provider Handbooks issued by AHCA.
The answer is that there is no universally accepted sound that humans use to represent dog barks. Even in a single language there may be a number of different words used for a dog's bark, for example, in English we recognize woof-woof, arf-arf, ruff-ruff and bow-wow..
Some sirens sound like the faraway howl of a dog (at least to other dogs), and the dog may merely be being helpful by sending up a response. One howl often leads to another, which is why you may hear a whole neighborhood of dogs howling in response. Continued... http://www.wisegeek.com/why-do-dogs-howl...f you want to train him out of it, use treats. When a siren sounds, make another, different loud sound to distract him. Not a negative, yelling sound though-just something to grab his attention. Then say a command like quiet and then give him a treat for being quiet.