Final Exam!!

Question 1

The best /b/ sound was perceived when the flat F2 was at …

Answer 1

720 Hz

Question 2

The best /d/ sound was at…

Answer 2

1800 Hz

Question 3

The best /g/ sound was at

Answer 3

3000 Hz

Question 4

Stops: 3 Voicing Cues

Answer 4

1. Presence/Absence of F0 (phonation) during period of stop closure
2. Presence/Absence of noise (aspiration) after stop release
3. Variation in onset time of phonation and F1 after the release of prevocalic stops

Question 5

Acoustic cue for Fricative Place

Answer 5

1. Frequency and intensity of noise level
   a. Steep and High frequency peaks, high frequency for sibilants
   b. Flat spectrum and low intensity for non-sibilants
2. F2+F3 transitions from preceding/following sounds

Question 6

Fricative Voicing Cues

Answer 6

1. Presence/Absence of phonation
2. Duration of Fricative noise
   a. longer for voiceless
   b. shorter for voiced
3. Duration of preceding vowel (final position)
   a. longer before voiced fricative
   b. shorter before voiceless
4. Intensity of frication
   a. greater for voiceless than for voiced