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WorksheetsSound
Total questions: 22
Worksheet time: 11mins
What is Sound?
What you can hear
Vibrations
Music on the radio
My voice
How does sound travel?
in waves
in motion
by bus
What does amplitude control?
Voice
Volume
Amplifier
Pitch
What does frequency control?
Volume
Motion
Pitch
How fast it is going
How is frequency measured?
decibels
1 and 0's
Hertz
denary
Which of these file types are sound files?
Wma
jpg
png
doc
Which of these file types are sound files?
aac
acp
xls
wavo
Which track is louder A or B?
Which track has a high frequency? A or B
Which track has a higher pitch? A or B
What is digitizing sound?
Converting digital sound into music
Converting analogue sound waves to digital format
Converting digital format to analogue sound waves
Making sound clearer
How is sound recorded on computer?
By converting it into binary and taking samples
By using a microphone
By capturing sound and recording it
The more often we sample the sound, the higher the quality of the recording
True
False
The more accurately we record the wave height, the higher the quality
True
False
Increasing sampling rate and bitrate means recording more data points
What happens to the size of the sound file?
It gets smaller
It gets larger
Foley is the technique of recording every day sounds to enhance the audio quality of a film?
True
False
Which of these sounds would be created using the foley technique?
Footsteps
Dog barking
Dialogue
Narrator's voice that the audience can hear but the characters cannot.
Diegetic
Non-Diegetic
Music from a concert the main character goes to see
Diegetic
Non-diegetic
What is compression?
To convert one file to another
To minimise the time taken for a file to be downloaded
To reduce the size of data to save space
To compress something by pressing it hard
What does Lossy compression do to a file?
Increase the file size and keeps the same quality
Decreases the files size and keeps the same quality
Removes no information at all
Removes unnecessary information in a file to reduce the file size
What is lossless compression?
No information is lost but the file size is increased
File stays exactly the same after compression
File loses quality and size
