Data representation - Sound
Authored by Louise Lockwood
Computers
9th - 11th Grade
Used 432+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is bit depth?
The number of bits used to store each sample
The number of times a wave is sampled
How loud a sound is
How quiet a sound is
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sample rate?
The number of times a sound wave is sampled per second
The number of bits used to store each sample
How loud a sound is
The size of the sound wave
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is sample rate measure in?
Bits
Hertz
GB
amps
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to convert a sound wave in to a digital format?
A sound wave converter
A router
An amplitude to digital converter
Analogue to digital converter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the size of a sound file?
size = rate * bits * seconds
size = rate * bits * minutes
size = amplitude * bits * seconds
size = sample * frequency * bits
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is amplitude?
Number of samples taken
The number of bits per sample
The height of the sound wave
The pitch
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The most common sampling rate for sound files is 44.1 khz.
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