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Children’s perception of their phonologically modified speech Sofia Strömbergsson KTH Speech, Music and Hearing.

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Presentation on theme: "Children’s perception of their phonologically modified speech Sofia Strömbergsson KTH Speech, Music and Hearing."— Presentation transcript:

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2 Children’s perception of their phonologically modified speech Sofia Strömbergsson KTH Speech, Music and Hearing

3 Interspeech 2012, Portland2 Dive me the tube. No, not the tube! The tube! [tu:b] ≠ The tube? Phonological impairment (PI)

4 Interspeech 2012, Portland3 Phonological impairment (PI)

5 Interspeech 2012, Portland4 How do children – with and without PI – perceive their own recorded (original and modified) speech? For the children with PI, how does this compare to their online judgment of their deviant speech?

6 Interspeech 2012, Portland5 Participants 12 children with PI 4-7 ys Language comprehension OK /k, g, ŋ / -> [t, d, n] 20 children w/ typical speech 4-7 ys Language comprehension OK

7 Interspeech 2012, Portland6 ([k] replaced by [k], still correct) ([t] replaced by [k], to deviant) (deviant /k/ replaced by [k], ”corrected”) (deviant /t/ replaced by [t], ”corrected”)

8 Interspeech 2012, Portland7 1.External identification 2.Modified speech I (Parrot): correct/incorrect? 3.Modified speech II (Parrot): correct/incorrect? 4.Modified speech III (Monkey): me/modified? 5.PI: Own speech (online): correct/incorrect? 6.PI: Own speech (rec’d): correct/incorrect?

9 Interspeech 2012, Portland8 1.External identification 2.Modified speech I (Parrot): correct/incorrect? 3.Modified speech II (Parrot): correct/incorrect? 4.Modified speech III (Monkey): me/modified? 5.PI: Own speech (online): correct/incorrect? 6.PI: Own speech (rec’d): correct/incorrect?

10 Interspeech 2012, Portland9 1.External identification 2.Modified speech I (Parrot): correct/incorrect? 3.Modified speech II (Parrot): correct/incorrect? 4.Modified speech III (Monkey): me/modified? 5.PI: Own speech (online): correct/incorrect? 6.PI: Own speech (rec’d): correct/incorrect?

11 Interspeech 2012, Portland10 1.External identification 2.Modified speech I (Parrot): correct/incorrect? 3.Modified speech II (Parrot): correct/incorrect? 4.Modified speech III (Monkey): me/modified? 5.PI: Own speech (online): correct/incorrect? 6.PI: Own speech (rec’d): correct/incorrect?

12 Interspeech 2012, Portland11 PI < nPI F(1,30) = 9.65, p =.004 Online < Rec’d t(143) = -3.64, p <.001

13 Interspeech 2012, Portland12 Worse performance on modified stimuli? YES Performance dependent on accuracy? YES Hard to detect modification when phonological form is unchanged.

14 Interspeech 2012, Portland13 Conclusions External perception is not the problem Use recordings – original and/or modified – to approach the real challenge: self-monitoring

15 Interspeech 2012, Portland14 Thank you for your attention!


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