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.
There are two casinos which originated as riverboat casino in Joliet: the Hollywood Casino near Channahon and a Harrah's hotel and casino downtown. Joliet is the only city in the State of Illinois to have two casinos.he Illinois Youth Center Joliet (IYC Joliet), a juvenile correctional facility of the Illinois Department of Juvenile Justice, is in Joliet. It opened in April 1959. Stateville Correctional Center, one of five maximum security prison for the state of Illinois, is located in the neighboring city of Crest Hill.