Sheriff Jack W. Brandes. To serve and protect the citizens of Austin County and the great State of Texas and to preserve and protect the. Constitution of the United States of America, especially the Second Amendment, the Right to Bear Arms..
Integrating Sound Level Meter. In atmospheric sounding and noise pollution, ambient noise level (sometimes called background noise level, reference sound level, or room noise level) is the background sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source.
* Just 1 minute of exposure to noises at this level can result in permanent hearing loss, according to the National Institutes of Health. * Continual exposure to noises in this range can cause permanent hearing loss. I recommend maintaining levels below 75 decibels and listening to your ears, says Dr. Watts. If a sound is too loud, remove yourself from the situation or put on proper hearing protection..