need help with question 18,19,20,21,22,23,24 0007 0014 0.021 0028 TIME (seconds)
ID: 1794544 • Letter: N
Question
need help with question 18,19,20,21,22,23,24
0007 0014 0.021 0028 TIME (seconds) FIGURE 8-19 Pressure-time graph for Questions 16-17. the raQuestions 18-21 refer to the spectrograms in Figures 8-20 through 8-23. Fill in the blanks with the appropriate get to labe figure number 18. The speaker in Figure- 19. The speaker in Figure -has the highest pitch. is asking a question. The speaker in Figure, is probably either hoarse or whispering. 21. The speaker in Figure is producing periodic sounds (vowels) only. Questions 22-24 refer to the spectrogram in Figure 8-24. This is a band spectrogram. 23. An aperiodic sound can be identified near the area marked with the letter 24. A decrease in pitch can be identified near the area marked with the letter For Questions 25-27, draw the figures on graph paper 25. Draw the source (glottal wave) spectrum for 26. Draw the resonance (filter) spectrum for a 2. Draw the output spectrum for the person in Question 25 speaking the vowel in Question 26. a person with a fundamental frequency of200 vocal tract that resonates at 200, 600, and 900 Hz er 10 28. On a narrow-band s a) 1000 Hz. b) 500 Hz. c) 10 Hz d) 200 Hz. e) 5 Hz.Explanation / Answer
18. diagram 3 has the speaker with highest frequency
hence
The speaker in figure 3 has the highest pitch
19. for as king a question, there has to be a loud middle part and high pitch
these criterion are met by figure 3
hence
The speaker in figure 3 is probably asking a question
20. fIgure 1, has lowest frequency, hence lowest pitch
hence
The speaker in figure 1 is Hoarse or probably whispering
21. Figure 2 has repeated pattern of loudness over varied range of frequency
hence The speaker in figure 2 is making periodic sounds
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