Question

What is sound ? write about SHARPNESS and LOUDNESS of sound in detail​

Answer 1

Explanation:

Sharpness is a measure of the high frequency content of a sound, the greater the proportion of high frequencies the 'sharper' the sound. ... Zwicker and Fastl [1] define a sound of sharpness 1 acum as 'a narrow band noise one critical band wide at a centre frequency of 1kHz having a level of 60dB'.

In acoustics, loudness is the subjective perception of sound pressure. More formally, it is defined as, "That attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud."

Answer 2

Answer:

1. same answer of 1 st one ist he right