Instructions:
Review the information from lecture and then complete the two parts of this activity below
Part 1: Calculate the fundamental frequency or the period of 1 cycle of vibration (using a calculator) based on the information provided on the table below. Complete the empty cells with your numbers.
Period of 1 cycle of vibration Fundamental frequency
7 ms
4 ms
200 Hz
600 Hz
Part 2: Explain the mechanisms for changing the fundamental frequency.
Muscle What happens to the vocal folds? What happens to F0?
Contract cricothyroid
Contract thyromuscularis
Contract thyrovocalis
Sample Solution
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