Q: Representing Sound GCSE
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Question 1 of 10
1. Question
Category: Data RepresentationWhich description most accurately describes ‘Sampling’?
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Question 2 of 10
2. Question
Category: Data RepresentationWhat is meant by the term ‘Bit Depth’?
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Question 3 of 10
3. Question
Category: Data RepresentationWhat will be the difference between a sound file sampled at 100 times per second compared to a sound file sampled at 1000 times per second?
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Question 4 of 10
4. Question
Category: Data RepresentationWhat will be the difference between a sound file with a bitrate of 100kbps compared to a sound file with a bitrate of 1000kbps?
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Question 5 of 10
5. Question
Category: Data RepresentationIf a sound file had a bit rate of 100kbps and was 100 seconds in length, what would be the size of the file in megabytes?
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Question 6 of 10
6. Question
Category: Data RepresentationIf a sound was sampled at 320kbps, how many bits of data would there be after 10 seconds?
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Question 7 of 10
7. Question
Category: Data RepresentationThere are 2 sound files, both 1 min in length. File 1 has a bitrate of 56kbps and a sampling frequency of 31kHz. File 2 has a bitrate of 192kbps and a sampling frequency of 28kHz. Which has the better sound quality?
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Question 8 of 10
8. Question
Category: Data RepresentationSound that has been sampled is also known as…
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Question 9 of 10
9. Question
Category: Data RepresentationA higher bitrate means that the samples of sound recorded will be of…
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Question 10 of 10
10. Question
Category: Data RepresentationWhich of the following files uses compression?
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