2006-11-20 02:13:50 · 9 answers · asked by mallika r 1 in Science & Mathematics ➔ Physics
To buffer and reduce the noise of people talking, moving, dropping popcorn and using cell phones.
2006-11-20 02:16:19 · answer #1 · answered by Aggie80 5 · 2⤊ 2⤋
They aren't as a rule. Rooms with no echoes at all sound flat and dead, and would not be pleasant to watch a movie in. However, rooms that echo too much are also a problem, and large rooms are prone to echoes.
As a result care is usually taken to make sure that sounds are sufficiently damped. This means carpets on floors (soft furnishing also damps echoes) and may mean some damping materials on some of the walls (my local multiplex uses curtains, which will not absorb all the sound but will dampo echoes).
2006-11-20 10:27:55 · answer #2 · answered by Anonymous · 2⤊ 0⤋
Due to the size of the theatre (space) the sound created will travel and bounce off the wall creating echos. also due to the size of the hall the echos will be so loud that the chairs wouldnt be enough to absorb the energy created by the sound source.
The echos would last so long and would be so loud that by the time the actors or frame is starting the thirs word everyone depending on the positopn in the hall would hear so many echos no one would understand what sound was made by who/what when.
2006-11-20 10:35:08 · answer #3 · answered by mich01 3 · 1⤊ 1⤋
if the sound was not absorbed, they will be reflected back into the theatres and the audiences. This is bad, as destructive interference can occur. This basically means that, the sound the audiences hear will not be as loud as it should be. If the sound is absorbed, then no sound will be reflected and thus no destructive interference.
2006-11-20 10:16:49 · answer #4 · answered by kcbm 3 · 1⤊ 1⤋
If you sat in a room with all hard floors and walls, you would see that it's almost impossible to hear one source of sound well. The sound interferes with itself.
2006-11-20 10:19:17 · answer #5 · answered by Anonymous · 1⤊ 0⤋
So people in the OTHER theaters won't hear what is going on in the theatre you are in - and YOU won't be bothered by sounds from outside your theatre (such as loud movies...).
2006-11-20 10:22:07 · answer #6 · answered by BugGurl 3 · 1⤊ 1⤋
To prevent sound reflection causing destructive interference of the sound waves.
2006-11-20 10:17:24 · answer #7 · answered by The Cheminator 5 · 1⤊ 0⤋
I don't know. Maybe someone lives in one of the theatres and is sick of the noise. Wait. You can't live in a movie theater -- except in the 3rd world. But who'd want to live there?
2006-11-20 10:29:22 · answer #8 · answered by Anonymous · 0⤊ 2⤋
To keep the sound from leaking into the neighboring theaters.
2006-11-20 10:16:25 · answer #9 · answered by Rebecca 5 · 1⤊ 2⤋