What is the minimum recommendation for digital audio recording based on the Nyquist theorem? A. 25,000 Hz
B. 75,000 Hz
C. 10 Hz
D. 100,000 Hz
What is the minimum recommendation for digital audio recording based on the Nyquist theorem?
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What is the minimum recommendation for digital audio recording based on the Nyquist theorem? A. 25,000 Hz
B. 75,000 Hz
C. 10 Hz
D. 100,000 Hz
The correct answer is A. 25,000 Hz.
The Nyquist theorem states that to accurately reproduce a signal, the sampling rate must be at least twice the highest frequency present in that signal. For human hearing, the maximum frequency is generally considered to be around 20,000 Hz. Therefore, the minimum sampling rate to accurately record audio is 20,000 Hz × 2 = 40,000 Hz. However, if we consider common industry standards, 25,000 Hz is often used as a practical point, making it the closest option. If you have further inquiries, feel free to reach out!