speech perception

Question 1

the mcgurk effect

Answer 1

what eyes see and ears hear dont match up

- hear compromise

Question 2

the anatomy of the acoustic signal

Answer 2

vowels are produced by the vibration of the vocal cords

the shape changes of the vocal cords produces pressure peaks at different frequencies

these frequencies are called formants

Question 3

speech perception

Answer 3

a spectrogram plots the frequency of the sound in HZ

Question 4

basic unit of speech

Answer 4

smallest unit of speech

47 in english

13 vowel sounds

24 consonant sounds

number of phonemes varies in other languages

11 in hawaiian and 60 in some african dialects

Question 5

conclusions

Answer 5

infants have a universal preference for low-frequency repetitive calls independently of the ecology

above average input experience supports early categorisation