Acoustics Flashcards
1
Q
Ambient noise is defined as anything that _____.
A
is other than the desired signal
2
Q
Propagation deals with the _____ of sound.
A
Movement
3
Q
An example of a typical porous absorber is _____.
A
a person’s clothing
4
Q
Numerous, persistent reflections of sound are called _____.
A
reverberation
5
Q
A porous absorber slows down air molecules using _____.
A
friction
6
Q
Transmission is defined as sound energy that is _____.
A
not reflected or absorbed
7
Q
_____ are the result of a(n) _____ reflection.
A
Echoes, late
8
Q
Sound energy can reflect in either _____ fashion.
A
direct or scattered
9
Q
If sound energy is absorbed by the materials in the space, it has _____.
A
been converted to heat
