Sound

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  • Created by: Emily
  • Created on: 30-05-14 17:52
What does Nyguist's theorum state?
That when sampling sound, we must sample at a frequency of at least twice the rate of the highest frequency in the sample signal
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What is a transducer?
A tranducer is a device that converts one form of energy to another
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Give an example of a transducer
A microphone
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What is analogue data?
Data that varies in a continuous manner
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What is digital data?
Data that takes the form of discrete values
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What does PAM stand for?
Pulse amplitude modulation
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What does PCM stand for?
Pulse code modulation
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What is synthesized sound?
Digitally generated audio signals that resemble instruments/the human voice
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Why is streaming good?
Streaming eliminates the need for downloading files so they do not occupy file space
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What is PAM?
PAM is where samples are taken from an analogue signal as ELECTRICAL PULSES at regular time intervals
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What is PCM?
PCM is the coding samples of analogue signals by recording the height of each sample in BINARY
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Other cards in this set

Card 2

Front

What is a transducer?

Back

A tranducer is a device that converts one form of energy to another

Card 3

Front

Give an example of a transducer

Back

Preview of the front of card 3

Card 4

Front

What is analogue data?

Back

Preview of the front of card 4

Card 5

Front

What is digital data?

Back

Preview of the front of card 5
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