[招待講演]　母親特有の話し方（マザリーズ）は大人の日本語とどう違うか　-理研日本語母子会話コーパス-

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(1)2006-SLP-64 (6). IPSJ SIG Technical Reports. 2006/12/21. -2. * JHb¥ffi3fcgff, Duke University 7351-0198 #SIM&3teTtTi£$R 2-1 E-mail:. f [email protected]. t [email protected]. y-Xj (motherese)*>SlMi "Infant-Directed Speech" (IDS)£«£tl5o IDS fctt% IDS. "-X, infant-directed speech^. How Does Japanese Motherese Differ from Adults' Speech? —RIKEN Japanese Mother-Infant Conversation Corpus—. Yosuke IGARASHIf t JSPS, NIJLA, RIKEN BSI. 3591-2 Midori-cho, Tachikawa-shi, Tokyo, 190-8661 Japan. t RIKEN BSI, Duke University E-mail:. Reiko MAZUKA*. 2-1 Hirosawa, Wako-shi, Saitama, 351-0198 Japan. T [email protected]. t [email protected]. Abstract Infants cannot acquire language without hearing the speech that mothers and other adults produce around them. The speech input from which infants learn language is called "motherese" or "Infant-Directed Speech" (IDS). It has been well. documented that IDS has a number of characteristics that are clearly distinct from adults' speech when they talk to other adults. ("Adult-Directed Speech" (ADS)). In order to investigate language acquisition, it is necessary to understand the nature of IDS. In this talk, we will introduce the RIKEN Japanese Mother-Infant Conversation Corpus, which contains 22 mothers' conversations with their 17-24 month old children as well as with adults. This speech database consists of approximately 14 hours speech signals along with the various annotations (transcriptional texts and segmental, morphological and prosodic information), all of which are linked to each other in a searchable way. For purposes of illustration, we will present a comparison of speech rates between IDS and ADS.. Keywords. speech corpus, motherese, infant-directed speech, speech rate. "Adult-Directed Speech" (ADS)£ ttfll* ft IDS. 3]o. IDS. IDS ft ADS. /M3 "Infant-Directed Speech" (IDS)£ -31-.

(2) No. b. TibUflSJ^hfrotc0 IDS <Dtisfcîr (D tc #> \C 2. \s. — 9 &H& t CHILDES ^n-s. It. ids. CHILDES. 44kHz, 16 If. IT ,. ADS. IDS t. 2.. 2.1. ft* o. csj. 17-24. Co. IDS. 200ms &. ,. ADS. -32-. CSJ. Lfc.

(3) y -(filled pause),. T ^ ± 1/ h , lexical pitch accent). b 4 >. L X J3, J_ToBI (Japanese Tone and Break Indices). & £ < %nb*lX\<^%[l2]o CSJ -Cte, J_ToBI , chap.2]#j$0. SrWJHLS h X-JToBI. ^V^ X-JToBI. urtt, csj bnm^%%tolfcmz.&v*ftM>QL*m. X-JToBI ^r^TOJ; 5lc**fiftbfe. ft l\z.%. h~. 2.3. a—/. H" ,. "Q" ,. "N" bô?. MJLtii r^^j jcit "gaQkoH" b. te "iku". Microsoft Access (C. ^V^^ 7. -33-.

(4) 3.1. IDS l IDS Access. fc ADS. JJV 7 h Microsoft Excel Excel. , IDS ^. t> ft^ b^ Praat. 2.4.. 3.2. aw«. feo wtill 200ms. 2.5. raw b IDS J; 9 fc , IDS ©aK —. [-b"C, ADS J ADS. ttlDS,. ids. ,. 0. T IDS i: ADS \z. ADS. «»H-5 :: fc fi*"srIB■?*>*■•. r ^ IDS 0>fl*<0J8fgri ADS. rft^*>, IDS ADS ît. 3. final. a #K ids, ads lengthening. IDS. -34-. Final-lengthening ^:.

(5) contours. in mothers' speech to newborns," Developmental Psychology, 20, pp. 104-113, 1984.. [3]. A. Fernald, T. Taeschner, J. Dunn, M. PapouSek, B. de Boysson-Bardies, and I. Fukui, "A cross-language study of prosodic modifications in mothers' and fathers' speech to preverbal infants," Journal of Child Language, 16, pp.477-501, 1989.. [4]. D. Grieser, and P. Kuhl, "Maternal speech to infants in a tonal language: Support for universal prosodic features in motherese," Developmental Psychology, 24, pp. 14-20, 1988.. [5]. Y. Igarashi and R. Mazuka, "Speech rate of infantdirected speech is NOT slower than adult-directed speech, Poster presented at International Conference of Infant Studies, Kyoto, Japan, June. 2006.. fga w**J fcif* X-JToBI. x-jtobi. (accentual phrase) £ •£ fl £ «9 Pg^ ft £ ±fi <£> r -f V h ^ — *SBy%}\ (intonation phrase);^f&#>. IDS, ADS dr fc fc* t*t£V). final lengthening. [6] Bfl&OT, m&mmwftffimjg 12*. ), HCJSC, 2006. m mmmm, RR, JCSr, 1974-1977.. 210ms. 7. (It) 110ms). -7. (tt 130ms). [8] ^ffl Susanne, ^ 0 *»*>«*. CHILDESAP!, OoClI, MM, 2004.. -*, IDS t. [9] *#,««, ftJl^r^tfRS, *»ffli 1981.. , JKSC,. [10]C. Snow and C. Ferguson, Talking to Children: Language Input & Acquisition, Cambridge University Press, London, 1977.. ,. 0*» ids. [11]L. Trainer, C. Austin and R. Desjardins, "Is infant-directed speech prosody a result of the vocal expression of emotion?," Psychological Science, 11, pp.188-195, 2000.. ads. [12] J. Venditti, "The J_ToBI model of Japanese intonation," Prosodic Typology: The Phonology of Intonation and Phrasing, ed. S.A. Jun, pp. 172-200, Oxford University Press, New York, 2005.. r klz.. .. IDS. x ADS J: t)». L. (IDS ^J. ^, IDS ^ final lengthening. -^y^(prosodic phrasing)^. [1]. P. Boersma and D. Weenink, Praat: doing phonetics by computer (version 4.4.24) [Computer program] http://www.praat.org/, 2006.. [2]. A.. Fernald. and. T.. Simon,. "Expanded. intonation. -35-.

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[招待講演] 母親特有の話し方（マザリーズ）は大人の日本語とどう違うか -理研日本語母子会話コーパス-

[招待講演]　母親特有の話し方（マザリーズ）は大人の日本語とどう違うか　-理研日本語母子会話コーパス-