Exam-style question
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A sound contains frequencies up to 22,050 Hz. What is the minimum sampling rate required according to the Nyquist theorem?.
- A.11,025 samples per second
- B.22,050 samples per second
- C.44,100 samples per second
- D.88,200 samples per second
Model answer
What a good answer should say
- 44,100 samples per second
Explanation
Why this works
The sampling rate must be at least twice the highest frequency. 2 × 22,050 = 44,100 samples per second.
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