The rate of amount of water vapour present to the amount it would have contained, had it been saturated, is known as the…

In the acoustical design of a studio, the ratio of height, breadth and length of the studio should be _____

__________________ is an index which combines the effect of air movement, humidity and temperature.

The branch of science which deals with origin and propagation of sound is called as _______

The defect of _______ results in confusion with the sound created next.

Colouring of sound quality is caused due to _____

In a studio, the noise level should be brought down to _______

Proper shape of the hall can help in preventing the formation of echoes.