Question 23 When listening to sound, approximately what frequency are humans most sensitive to? 0 15КНZ O 20KHZ O 3.5KHZ O 100HZ

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Question 23
When listening to sound, approximately what frequency are humans most sensitive to?
O 15KHZ
O 20KHZ
O 3.5KHZ
O 100HZ
Question 24
You have a signal with a frequency range 20HZ to 16KHZ. This signal is sampled at 30KHZ. Which of the following statements is true?
O A frequency of 15,500HZ in the original will be replaced by a frequency of 14,500HZ by the sampling process
O A frequency of 12KHZ in the original signal will be removed by the sampling process
O A frequency of 14KHZ in the original signal will be replaced by a frequency of 13KHZ by the sampling process
O Aliasing does not occur
Transcribed Image Text:Question 23 When listening to sound, approximately what frequency are humans most sensitive to? O 15KHZ O 20KHZ O 3.5KHZ O 100HZ Question 24 You have a signal with a frequency range 20HZ to 16KHZ. This signal is sampled at 30KHZ. Which of the following statements is true? O A frequency of 15,500HZ in the original will be replaced by a frequency of 14,500HZ by the sampling process O A frequency of 12KHZ in the original signal will be removed by the sampling process O A frequency of 14KHZ in the original signal will be replaced by a frequency of 13KHZ by the sampling process O Aliasing does not occur
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