Sound File Calculations (5 marks)
Calculate the storage requirements (in bits) for a 3-minute stereo sound file with a sampling rate of 44.1 kHz and a bit depth of 16 bits.
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Sound
The Digital Storage of Sound (2 marks)
Explain what is meant by ‘digital storage of sound’ and the role of binary data in this process.
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Bit Depth, Storage and Quality (2 marks)
Discuss the impact of increasing the bit depth on the storage requirements and the quality of sound.
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Sampling Rate Definition (2 marks)
Define what is meant by ‘sampling rate’ and how it relates to digital sound.
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Sampling Rates and Sound Quality (2 marks)
Explain why different sampling rates affect the quality of sound in digital audio recordings.
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Limitations of Binary Representation (3 marks)
Describe a scenario where the limitations of binary representation are evident when using a fixed number of bits. Explain the implications of these limitations in the context of digital audio sampling.
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Sound Representation (6 marks)
Describe the entire process of how analogue sound is represented in binary, referring specifically to amplitude, sample rate, bit depth, and sample interval.
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Bit Depth (2 marks)
What is ‘bit depth’ in the context of sound and why is it significant when converting analogue sound to binary?
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Sample Rate (2 marks)
Define ‘sample rate’ and describe its importance in the digital representation of sound.
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Amplitude and Sound (2 marks)
Explain the term ‘amplitude’ in the context of representing analogue sound in binary.
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