Multimedia 2 - Sound
Authored by Steve Close
Computers
1st - 11th Grade
Used 14+ times
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16 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pick out 2 sound file types.
mp3
jpeg
avi
wav
bmp
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What input device could be used to capture audio?
Camera
Scanner
Keyboard
Microphone
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What 2 devices could be used to output sound from a computer?
Speakers
Headphones
Microphone
Mouse
Printer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the term 'sampling depth' (or 'sampling resolution').
The number of colours in the sound.
The file size of a sound.
The length of a sound.
The number of bits used to store each sample in a sound.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the term 'sampling frequency'.
The number of colours in a sound
The number of bits used to store each sample in a sound
The number of samples of a sound taken per second
The total number of samples of a sound.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sampling frequency is measured in:
Mb
Hz
Gb
bytes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A sound file has 2 minutes of silence at the end. What could be done to amend this?
Reduce the sampling depth / resolution
Reduce the sampling frequency
Crop the file
Change the file to wav
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