Auditory-visual speech to infants and adults: Signals and correlations

Jeesun Kim; Chris Wayne Davis; Christine Kitamura

Auditory-visual speech to infants and adults: Signals and correlations

Jeesun Kim, Chris Wayne Davis, Christine Kitamura

Flinders University

Research output: Contribution to conference › Paper › peer-review

1 Citation (Scopus)

Abstract

We investigated how the properties of Infant Directed Speech (IDS) and Adult Directed Speech (ADS) differed in acoustics and in speech-related articulation. Both the degree to which auditory and motion properties changed as a function of speech style (IDS vs. ADS) as well as how the correlation between properties was affected by this change were examined. The acoustic properties of 13 sentences uttered by six mothers either to their infant or to an adult and the corresponding 3D motion of face and head markers were measured. Mean speech duration was longer and mean pitch higher for IDS; the IDS vowel space was also expanded compared to ADS; and all face and head motions were greater in IDS. Moderate correlations were found between speech acoustics and face and head motion. These correlations were consistently larger for ADS compared to IDS.

Original language	English
Pages	1118-1121
Number of pages	4
Publication status	Published - 1 Dec 2012
Event	13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012 - Duration: 9 Sep 2012 → …

Conference

Conference	13th Annual Conference of the International Speech Communication Association 2012, INTERSPEECH 2012
Period	9/09/12 → …

Keywords

Auditory-Visual speech
Infant Directed Speech

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abstract = "We investigated how the properties of Infant Directed Speech (IDS) and Adult Directed Speech (ADS) differed in acoustics and in speech-related articulation. Both the degree to which auditory and motion properties changed as a function of speech style (IDS vs. ADS) as well as how the correlation between properties was affected by this change were examined. The acoustic properties of 13 sentences uttered by six mothers either to their infant or to an adult and the corresponding 3D motion of face and head markers were measured. Mean speech duration was longer and mean pitch higher for IDS; the IDS vowel space was also expanded compared to ADS; and all face and head motions were greater in IDS. Moderate correlations were found between speech acoustics and face and head motion. These correlations were consistently larger for ADS compared to IDS.",

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AB - We investigated how the properties of Infant Directed Speech (IDS) and Adult Directed Speech (ADS) differed in acoustics and in speech-related articulation. Both the degree to which auditory and motion properties changed as a function of speech style (IDS vs. ADS) as well as how the correlation between properties was affected by this change were examined. The acoustic properties of 13 sentences uttered by six mothers either to their infant or to an adult and the corresponding 3D motion of face and head markers were measured. Mean speech duration was longer and mean pitch higher for IDS; the IDS vowel space was also expanded compared to ADS; and all face and head motions were greater in IDS. Moderate correlations were found between speech acoustics and face and head motion. These correlations were consistently larger for ADS compared to IDS.

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