'This unit expresses the intensity of a sound wave; one is the smallest difference between sounds detectable by the human ear'
a decibel
MISCELLANEOUS MEASURES: This unit expresses the intensity of a sound wave; one is the smallest difference between sounds detectable by the human ear
This unit expresses the intensity of a sound wave; one is the smallest difference between sounds detectable by the human ear
This unit expresses the intensity of a sound wave; one is the smallest difference between sounds detectable by the human ear
MISCELLANEOUS MEASURES
a decibel
MISCELLANEOUS MEASURES