"Decibel." http://www.sfu.ca/sonic-studio/handbook/Decibel.html "Decibel." according to the SFU "Decibel." "Decibel." www.sfu.ca/sonic-studio/handbook/Decibel.html Handbook for Acoustic Ecology Sound Level Calculator decibels Decibel - Simon Fraser University http://www.sfu.ca/sonic-studio/handbook/Decibel.html "Decibel." ಡೆಸಿಬೆಲ್‌ Simon Fraser University - Decibel decibel sound intensity Simon Fraser University - Decibel http://www.sfu.ca/sonic-studio/handbook/Decibel.html http://www.sfu.ca/sonic-studio/handbook/Decibel.html Handbook on the Decibel "Decibel." ડેસીબલ "Decibel." Understanding decibels