Data Representation - How Computers Represent Sound (GCSE Computing)

The following is a GCSE Computing test covering 'Data Representation - How Computers Represent Sound'

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Question 1

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What term describes how many times per second an audio signal is measured when digitising sound?

What is the file size in bytes for 1 second of mono audio sampled at 8 kHz with 8-bit samples (uncompressed)?

Which sample rate is standard for audio on audio CDs?

What does dynamic range in digital audio refer to?

What is the effect of increasing bit depth while keeping sample rate constant?

What term describes the distortion that occurs when frequencies above half the sample rate are sampled and misrepresented?

What does audio bit rate measure?

Which of these does NOT affect the uncompressed file size of an audio recording?

How many bytes does a single 16-bit mono audio sample occupy?

What is the bit depth used for standard CD-quality audio?

Which statement correctly contrasts lossy and lossless audio compression?

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