7. The following diagram shows a complex sound composed of several tones (top: spectrum; bottom: waveform). Explain the pitch perception of the complex sound and the two theories accounting for the pitch perception of this complex sound. (10 points).
V. Bonus questions (3 points)
8. If you are asked to measure the loudness of a vowel sound /i/, how are you going to design the experiment? Explain your method.
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