Vowel length in infant-directed speech: the realisation of short-long contrasts in Czech IDS

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081740%3A_____%2F23%3A00582880" target="_blank" >RIV/68081740:_____/23:00582880 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11210/23:10477866
Result on the web
<a href="https://www.icphs2023.org/programme/proceedings/" target="_blank" >https://www.icphs2023.org/programme/proceedings/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Vowel length in infant-directed speech: the realisation of short-long contrasts in Czech IDS
Original language description
When interacting with young children, talkers across many languages use a speech style that reflects positive affect, draws infants' attention, and supposedly facilitates language acquisition. As for the latter, a well-documented feature of infant-directed speech is an exaggeration of spectrally-cued vowel contrasts. Here we tested whether talkers exaggerate also durationally cued contrasts. Sixty-three mothers, native speakers of Czech, were recorded while playing with their infant (4- to 10-month-olds, IDS) and while speaking to an adult (ADS). The durations of the five Czech phonemically short vowels were compared to their long counterparts. Vowel duration (normalised for word duration) was longer in IDS than in ADS more for phonemically long vowels at the younger infant ages, indicating a developmentally specific early exaggeration of length contrasts in Czech infant-directed speech. The present finding suggests that in a language with phonemic length, caregivers' realisation of speech sounds may go beyond merely being longer and slower overall.
Czech name
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Czech description
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Project
<a href="/en/project/GA21-09797S" target="_blank" >GA21-09797S: Learning to recognize words: a developmental cross-dialectal perspective</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 20th International Congress of Phonetic Sciences
ISBN
978-80-908114-2-3
ISSN
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e-ISSN
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Number of pages
5
Pages from-to
2363-2367
Publisher name
Guarant International
Place of publication
Praha
Event location
Praha
Event date
Aug 7, 2023
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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