WorksheetsRepresentation of sound
Total questions: 10
Worksheet time: 4mins
What form must data be in for a computer to be able to process it?
Binary
Decimal
Hexadecimal
Analogue
What does an analogue to digital converter do?
Samples a sound wave at regular intervals and converts these to binary
Makes a sound file smaller
Assigns binary code to text
Samples an image so it can be compressed
............. is the number of sound samples taken per second (measured in Hertz).
Sample resolution
Sample rate
............ is taking a measurement at of the amplitude of a sound wave at regular intervals.
Bit rate
Sound sampling
Sample rate
Sample rate (sampling frequency) is measured in ....
Kilobytes
Hertz
Gigabytes
Picoseconds
Which statement is true?
Higher sampling rates usually improve the sound quality and result in larger file sizes.
Higher sampling rates usually do not improve the sound and result in smaller file sizes.
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
What is used to convert an analogue sound wave in to a digital format?
A router
An amplitude to digital converter
Analogue to digital converter
Sound waves are analogue.
What does is analogue data like?
It varies continuously
It is discrete (separate) values
Computers can only process digital data.
What is digital data like?
It varies continously
It is discrete (separate) values
