Confidence votes 978. The range of 60-70 decibels sound pressure level is about as loud as normal conversation in 1 meter distance. The distance from the ears to the sound source is very important to the value of the SPL.
A fraction (from Latin fractus, broken) represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
British Dictionary definitions for proper fraction Expand. noun. 1. a fraction in which the numerator has a lower absolute value than the denominator, as 1/2 or x/(3 + xÂ²)