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The effects of absolute pitch ability and musical training on lexical tone perception
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42 |
Two platforms for research in human communication science : the AusTalk Corpus and the Alveo Virtual Laboratory
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43 |
Infant-directed speech enhances temporal rhythmic structure in the envelope
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Abstract:
Infant-directed speech (IDS) supports language learning via mechanisms that are still not well-understood. Here, we adopt a ‘temporal sampling’ perspective to investigate whether rhythmic enhancements in the temporal structure of IDS could support multi-timescale neuronal oscillatory sampling of the speech signal by the infant brain. We compare natural maternal speech directed to infants at the ages of 7-, 9-, 11- and 19-months, to adult-directed speech (ADS). Speech temporal structure is analysed using a novel multi-timescale Spectral-Amplitude Modulation Phase Hierarchy (S-AMPH) model, which extracts the Stress-rate, Syllable-rate and Phoneme-rate modulations (i.e. temporal patterns). Compared to ADS, we find that IDS shows a ‘stress-shifted’ temporal profile. Stress-rate modulations dominate the modulation spectrum of IDS, whereas Syllable-rate modulations are dominant in ADS. Further, multi-timescale phase-synchronisation measures indicate that in IDS, Syllable-rate modulations are more synchronised to Stress-rate modulations and less synchronised to Phoneme-rate modulations. Thus, when speaking to infants, mothers pattern their syllables more regularly with prosodic stress, while allowing the phonemes within uttered syllables to vary more in timing. Accordingly, we conclude that the temporal structure of (Australian English) IDS is primarily stress-dominant, which could ‘tune’ the infant brain toward stress-based speech segmentation — an adaptive strategy for boot-strapping early language learning.
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Keyword:
200408 - Linguistic Structures (incl. Grammar; 970120 - Expanding Knowledge in Languages; Communication and Culture; Lexicon; Phonology; Semantics)
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URL: http://www.interspeech2014.org/public.php?page=home.html http://handle.uws.edu.au:8081/1959.7/552250
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44 |
Cues for lexical tone perception in children : acoustic correlates and phonetic context effects
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45 |
The Lombard effect with Thai lexical tones : an acoustic analysis of articulatory modifications in noise
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47 |
On the rhythm of infant- versus adult-directed speech in Australian English
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48 |
The Human Communication Science Virtual Lab : a repository microclimate in a rapidly evolving research-ecosystem
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50 |
The relationship between auditory–visual speech perception and language-specific speech perception at the onset of reading instruction in English-speaking children
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51 |
Phonics vs. whole-word instruction in a tone language : spelling errors on consonants, vowels, and tones over age
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52 |
Vowel hyperarticulation in parrot-, dog- and infant- directed speech
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53 |
Tone and vowel enhancement in Cantonese infant-directed speech at 3, 6, 9, and 12 months of age
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54 |
Vowel identity conditions the time course of tone recognition
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55 |
Eye movements while reading an unspaced writing system : the case of Thai
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56 |
The relationship between learning to read and language-specific speech perception : maturation versus experience
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57 |
Investigating auditory-visual speech perception development
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58 |
Faciliation of Mandarin tone perception by visual speech in clear and degraded audio : implications for cochlear implants
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