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.
Ambient Background Sounds and Sound Effects. 1  Generally, as with music, describe over the original audio only if there is important information to be conveyed. Determine whether the description of the ambient background sounds or sound effects is key to understanding the scene.