Tidbits DID YOU KNOW? The average loudness of sound when listening to a personal audio device is 94 decibels When walking near traffic areas in Singapore, the average loudness is 69.4 decibels A long time ago, roosters were banned in Sybaris, Greece because they were too loud When we shout, we register a decibel level of 90 Jet plants are perceived to be louder even though they emit roughly the same level of noise as a train Singaporeans get more concerned about noise pollution when they are looking to purchase a house Sounds are everything we hear but noise is disruptive and unwanted sounds The cracking noise made by whips is because the tip of the whips move faster than the speed of sound