AVIXA Audio 1: Essentials Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
An octave is _____. a doubling a doubling of frequency
of amplitude an eighth of a
frequency an eighth of
amplitude a doubling of
frequency
If a sound has a pressure of 10 16 dB SPL
dB SPL at a distance of 10 m,
how much pressure would the
sound have at a distance of 5
m? 16 dB SPL 20 dB SPL 4 dB
SPL 5 dB SPL
Through the Inverse Square spherically and horizontally
Law, the spread of energy that
is propagated can be followed
_____. only horizontally
vertically and horizontally only
spherically spherically and
horizontally
A "just noticeable" change in +/-3 dB
sound pressure level, either
louder or softer, requires a
_____ change. +/-10 dB +/-1
dB +/-3 dB +/-6 dB
,If you go up one octave from 500 Hz
250 Hz, you arrive at _____.
1250 Hz 125 Hz 500 Hz 251 Hz
0 dB SPL describes: the the threshold of human hearing
threshold of human hearing
the threshold of pain ambient
noise level normal listening
level
What is the measurement for Hertz
frequency? Wavelength DC
Hertz AC
Wavelength and frequency Pitch; volume
determine the __________ of
sound, while amplitude
determines the __________.
Pitch; volume Volume; speed
Volume; tone Speed; tone
Wavelength is the __________. Physical distance between two
Cycle when molecules move points of a waveform that are
from rest through compression exactly one cycle apart.
to rest and rarefaction.
Physical distance between two
points of a waveform that are
exactly one cycle apart.
Number of times a wavelength
cycle occurs per second.
Intensity or loudness of a
sound in a particular medium.
, Harmonics are _____. the the whole number multiples of a
particular make-up of complex fundamental frequency
waveforms varying
proportional energy levels of a
fundamental frequency the
whole number multiples of a
fundamental frequency the
whole number multiples of
individual sine waves
Complex waveforms can be individual sine waves
broken down into _____.
individual sine waves varying
proportional energy levels
simple waveforms
wavelengths and frequencies
Sound _____ through a propagates
medium. resounds processes
propagates generates
Because air is a(n) _____ elastic
medium, vibrated molecules
transmit motion to the
molecules surrounding them.
elastic dry invisible
expandable
The "audio" portion of sound
"audiovisual" refers to _____.
the method of presentation
the environment for display
sound the audience
Questions and Answers with Verified
Solutions | Latest Updated 2026
An octave is _____. a doubling a doubling of frequency
of amplitude an eighth of a
frequency an eighth of
amplitude a doubling of
frequency
If a sound has a pressure of 10 16 dB SPL
dB SPL at a distance of 10 m,
how much pressure would the
sound have at a distance of 5
m? 16 dB SPL 20 dB SPL 4 dB
SPL 5 dB SPL
Through the Inverse Square spherically and horizontally
Law, the spread of energy that
is propagated can be followed
_____. only horizontally
vertically and horizontally only
spherically spherically and
horizontally
A "just noticeable" change in +/-3 dB
sound pressure level, either
louder or softer, requires a
_____ change. +/-10 dB +/-1
dB +/-3 dB +/-6 dB
,If you go up one octave from 500 Hz
250 Hz, you arrive at _____.
1250 Hz 125 Hz 500 Hz 251 Hz
0 dB SPL describes: the the threshold of human hearing
threshold of human hearing
the threshold of pain ambient
noise level normal listening
level
What is the measurement for Hertz
frequency? Wavelength DC
Hertz AC
Wavelength and frequency Pitch; volume
determine the __________ of
sound, while amplitude
determines the __________.
Pitch; volume Volume; speed
Volume; tone Speed; tone
Wavelength is the __________. Physical distance between two
Cycle when molecules move points of a waveform that are
from rest through compression exactly one cycle apart.
to rest and rarefaction.
Physical distance between two
points of a waveform that are
exactly one cycle apart.
Number of times a wavelength
cycle occurs per second.
Intensity or loudness of a
sound in a particular medium.
, Harmonics are _____. the the whole number multiples of a
particular make-up of complex fundamental frequency
waveforms varying
proportional energy levels of a
fundamental frequency the
whole number multiples of a
fundamental frequency the
whole number multiples of
individual sine waves
Complex waveforms can be individual sine waves
broken down into _____.
individual sine waves varying
proportional energy levels
simple waveforms
wavelengths and frequencies
Sound _____ through a propagates
medium. resounds processes
propagates generates
Because air is a(n) _____ elastic
medium, vibrated molecules
transmit motion to the
molecules surrounding them.
elastic dry invisible
expandable
The "audio" portion of sound
"audiovisual" refers to _____.
the method of presentation
the environment for display
sound the audience
