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3.00 Understand Principles Of Audio And Video.
Test Description: Learn and have fun!!
Instructions: Answer all questions to get your test result.
1) An audible vibration that travels through air or water.
A
trough
B
crest
C
sound wave
D
sampling
2) Number of waves to pass a point in one second is a _______.
A
Frequency
B
Amplitude
C
crest
D
Wavelength
3) Point that exhibits maximum amount of upward displacement from the rest position is a ____.
A
sample rate
B
sound wave
C
crest
D
pitch
4) Point that exhibits maximum amount of downward displacement from the rest position is a ____.
A
sampling
B
Bit rate
C
sample rate
D
Trough
5) the number of samples taken per second, often measured in Kilohertz (kHz) is called ____.
A
Mono
B
Stereo
C
sample rate
D
trough
6) Determined by the sample rate, sample size and number of channels used. It is ____.
A
Audio file size
B
mono
C
stereo
D
sample size
7) One channel; audio is a single channel, where sound comes from a single direction.
A
sample size
B
Mono
C
bit rate
D
Stereo
8) Video uses a continuous electrical signal to capture footage on a magnetic tape.
A
Digital video
B
Frame
C
Analog video
D
Capture
9) A single picture or still shot in a video.
A
frame rate
B
caption
C
frame
D
digital video
10) Videos that are made up of 1’s and 0’s, binary format, that represent the video image which computers can read.
A
frame rate
B
analog video
C
sample size
D
digital video
*select an answer for all questions
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