Sound Meter is in the 4th set of the Smart Tools collection. Have you ever suffered from the noise of the neighbors? SPL(sound pressure level) meter app uses your embedded microphone to measure noise volume in decibels(db), and shows a reference. REMEMBER! Most smartphone microphones are aligned to human voice (300-3400Hz, 40-60dB).
Joliet, Illinois. Joliet is a vibrant city in Will and Kendall Counties in the U.S. state of Illinois, located 40 miles southwest of Chicago. It became the county seat of Will County in 1836. With a diverse population of 148,000, Joliet offers a family friendly atmosphere and a thriving business community.
ABOUT JOLIET'S GOVERNMENT Joliet is a home rule city with a Council-Manager form of government. All matters of local policy and legislation are determined by the City Council with the Mayor presiding.BOUT JOLIET'S GOVERNMENT Joliet is a home rule city with a Council-Manager form of government. All matters of local policy and legislation are determined by the City Council with the Mayor presiding.