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Modeling Infant Speech Development with Articulatory Synthesizer: Experimental Results

This supplementary material presents detailed findings from experiments on Elija's speech development stages, including clustered vowels, consonants, fricatives, and diphthongs. It showcases primitive articulation, expansion, canonical stages, and integrative stage with recombination clusters. The study involves caregiver-child speech comparison and phonation stage analysis using self-supervised reinforcement. The vocal apparatus modeling with an articulatory synthesizer aids in understanding pronunciation acquisition in infants.

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Modeling Infant Speech Development with Articulatory Synthesizer: Experimental Results

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  1. Supplementary material for the paper:Ian S. Howard1 & Piers Messum2Modeling the development of pronunciation in infant speech acquisitionMotor Control, 2011, 15, 85-117 1Computational & Biological Learning Laboratory, Department of Engineering, University of Cambridge 2Centre for Human Communication, University College London

  2. Methods Modeling the vocal apparatus with an articulatory synthesizer Figure 5B Utterance /naʊ/ (approx) Computing reward Figure 7 Utterance /ti:/ (approx)

  3. Phonation stage experiment ResultsClustered vowels, Elija's speech, found by self-supervised reinforcement 2 3 4 5 1 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

  4. Primitive articulation, expansion and canonical stages experimentResultsClustered vowels, Elija's speech 2 3 4 5 1 6 7 8 9 10 11 12 13 14 15

  5. Primitive articulation, expansion and canonical stages experimentResultsClustered consonant; Elija's speech with following vowel 2 3 4 5 1 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

  6. Primitive articulation, expansion and canonical stages experimentResultsClustered fricatives; Elija's speech 2 3 4 5 1 6 7 8 9 10

  7. Primitive articulation, expansion and canonical stages experimentResultsClustered diphthongs; Elija's speech 2 3 4 5 1 6 7 8 9 10

  8. Integrative stage experiment ResultsReformulated recombination: cluster centres 1-35 for Elija's & Caregiver's speech (blue) 3 4 5 2 1 8 9 10 6 7 13 14 15 11 12 18 19 20 16 17 23 24 25 21 22 28 29 30 26 27 33 34 35 31 32

  9. Integrative stage experimentResults - continuedReformulated recombinations: cluster centres 36-70 for Elija's & Caregiver'sspeech (blue) 38 39 40 36 37 43 44 45 41 42 48 49 50 46 47 53 54 55 51 52 58 59 60 56 57 63 64 65 61 62 68 69 70 66 67

  10. Integrative stage experimentResults - continuedReformulated recombinations: cluster centres 71-100 for Elija's & Caregiver's speech (blue) 73 74 75 71 72 78 79 80 76 77 83 84 85 81 82 88 89 90 86 87 93 94 95 91 92 98 99 100 96 97

  11. Object labelling experiment ResultsCaregiver's (blue) & Elija's speech 3 4 5 1 2 8 9 10 6 7 13 14 15 11 12 18 19 20 16 17 23 24 25 21 22 28 29 30 26 27 33 34 35 31 32

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