ly one pair of surf

from 'wave

nance In rectangular enclosures.

und from S plus single or multiple reflections from all six surfaces"

urfaces in the room. Waves vs Rays Waves For low frequencies, in which the wavelength is comparable to the dimension of the room, the ray approach doesn't work. So these are studied as waves.

Can tell the frequency of any axial/tangential/oblique mode of rectangular room. Speed of sound 'c' 1130 ft / sec p q and r are variable LWH ar

, the model in which a sound bounces off with the angle equal to the angle of incidence works.