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		<title>An empirical study of the perception of language rhythm
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		<link>https://www.rhuthmos.eu/spip.php?article634</link>
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		<dc:date>2012-07-11T12:38:04Z</dc:date>
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		<dc:creator>Franck Ramus et al.
</dc:creator>



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&lt;p&gt;This text was published for the first time in June 2000. Linguists have traditionally classified languages into three rhythm classes, namely stress-timed, syllable-timed and mora-timed languages. However, this classification has remained controversial for various reasons : the search for reliable acoustic cues to the different rhythm types has long remained elusive ; some languages are claimed to belong to none of the three classes ; and no perceptual study has bolstered the notion. (&#8230;)&lt;/p&gt;


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&lt;a href="https://www.rhuthmos.eu/spip.php?rubrique53" rel="directory"&gt;Sciences cognitives
&lt;/a&gt;


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&lt;a href='https://www.rhuthmos.eu/IMG/pdf/Franck_Ramus_An_Empirical_study_of_the_perception_of_language_rhythm.pdf' class=&#034; spip_doc_lien&#034; title='PDF - 133 kio' type=&#034;application/pdf&#034;&gt;&lt;img src='https://www.rhuthmos.eu/local/cache-vignettes/L64xH64/pdf-b8aed.svg?1772797221' width='64' height='64' alt='' /&gt;&lt;/a&gt;
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&lt;p&gt;&lt;i&gt;This text was published for the first time in June 2000.&lt;/i&gt;&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
Linguists have traditionally classified languages into three rhythm classes, namely stress-timed,
syllable-timed and mora-timed languages. However, this classification has remained controversial
for various reasons : the search for reliable acoustic cues to the different rhythm types
has long remained elusive ; some languages are claimed to belong to none of the three classes ;
and no perceptual study has bolstered the notion. However, Ramus, Nespor &amp; Mehler (1999),
&lt;i&gt;Cognition &lt;/i&gt; 73, 265-292, have recently proposed an acoustic/phonetic model of the different
types of linguistic rhythm, and of their categorization as such by listeners. Their simulations
make predictions as to which languages can be discriminated on the basis of their rhythm.
Here, we present perceptual experiments that directly test the notion of rhythm classes, the
simulations' predictions and the question of intermediate languages. Language discrimination
experiments were run using a speech resynthesis technique to ensure that only rhythmical cues
are available to the subjects. Languages investigated are English, Spanish, Catalan and Polish.
Discrimination results are compatible with the rhythm class hypothesis, but Polish rhythm
seems to be different from any other language studied and thus may constitute a new rhythm
class. A revised version of the rhythm perception model is proposed to accommodate these
findings and more simulations are run to generate new predictions.&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
&lt;strong&gt;Key-words :&lt;/strong&gt; speech rhythm, prosody, language discrimination, speech perception, stresstiming,
syllable-timing.&lt;/p&gt;&lt;/div&gt;
		
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		<title>Building Spoken Language Proficiency
</title>
		<link>https://www.rhuthmos.eu/spip.php?article399</link>
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		<dc:date>2011-09-10T18:52:00Z</dc:date>
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		<dc:language>fr</dc:language>
		<dc:creator>Paula Tallal
</dc:creator>



		<description>

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&lt;a href="https://www.rhuthmos.eu/spip.php?rubrique53" rel="directory"&gt;Sciences cognitives
&lt;/a&gt;


		</description>


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<item xml:lang="fr">
		<title>Rythme des langues et acquisition du langage
</title>
		<link>https://www.rhuthmos.eu/spip.php?article138</link>
		<guid isPermaLink="true">https://www.rhuthmos.eu/spip.php?article138</guid>
		<dc:date>2010-07-21T16:21:12Z</dc:date>
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		<dc:language>fr</dc:language>
		<dc:creator>Franck Ramus
</dc:creator>



		<description>
&lt;p&gt;Franck Ramus a soutenu en novembre 1999 &#224; l'EHESS une th&#232;se, sous la direction de Jacques Mehler, intitul&#233;e : &#171; Rythme des langues et acquisition du langage &#187; R&#233;sum&#233; : Dans le cadre de la th&#233;orie de l'initialisation phonologique, nous avons &#233;tudi&#233; l'hypoth&#232;se selon laquelle le nourrisson est sensible d&#232;s la naissance au rythme de la parole, cette sensibilit&#233; constituant l'une des toutes premi&#232;res &#233;tapes de l'acquisition du langage. Pour ce faire, nous avons effectu&#233; des mesures (&#8230;)&lt;/p&gt;


-
&lt;a href="https://www.rhuthmos.eu/spip.php?rubrique53" rel="directory"&gt;Sciences cognitives
&lt;/a&gt;


		</description>


 <content:encoded>&lt;div class='rss_texte'&gt;&lt;p&gt;&lt;strong&gt;Franck Ramus a soutenu en novembre 1999 &#224; l'EHESS une th&#232;se, sous la direction de Jacques Mehler, intitul&#233;e : &#171; Rythme des langues et acquisition du langage &#187;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;&lt;/p&gt;
&lt;hr class=&#034;spip&#034; /&gt;
&lt;p&gt;&lt;BR/&gt;
&lt;strong&gt;R&#233;sum&#233; : &lt;/strong&gt; Dans le cadre de la th&#233;orie de l'initialisation phonologique, nous avons &#233;tudi&#233; l'hypoth&#232;se selon laquelle le nourrisson est sensible d&#232;s la naissance au rythme de la parole, cette sensibilit&#233; constituant l'une des toutes premi&#232;res &#233;tapes de l'acquisition du langage. Pour ce faire, nous avons effectu&#233; des mesures acoustico-phon&#233;tiques sur huit langues, montrant qu'une segmentation de la parole en consonnes/voyelles permet de d&#233;terminer certaines propri&#233;t&#233;s rythmiques des langues. Nous en avons d&#233;duit un mod&#232;le computationnel de la perception du rythme, et nous avons effectu&#233; des simulations pr&#233;disant quelles langues peuvent &#234;tre distingu&#233;es sur la base de leurs propri&#233;t&#233;s rythmiques. Afin de tester ces pr&#233;dictions, nous avons effectu&#233; une s&#233;rie d'exp&#233;riences de discrimination de langues sur des sujets adultes, qui ont montr&#233; l'ad&#233;quation du mod&#232;le avec les donn&#233;es empiriques. Pour s'assurer que les sujets n'utilisaient pas d'autres indices que le rythme, nous avons mis au point une technique bas&#233;e sur la resynth&#232;se de parole, permettant de d&#233;grader les stimuli pour n'en pr&#233;server que les propri&#233;t&#233;s rythmiques. Gr&#226;ce &#224; cette technique, nous avons pu montrer que des nouveau-n&#233;s sont capables de distinguer le n&#233;erlandais du japonais, sur la base de leurs seules diff&#233;rences rythmiques. Enfin, nous nous sommes demand&#233;s si cette sensibilit&#233; pour le rythme &#233;tait sp&#233;cifique au langage, et donc &#224; l'esp&#232;ce humaine. Dans cette perspective, nous pr&#233;sentons quelques exp&#233;riences-pilotes de discrimination de langues par des singes. Nous concluons que le nourrisson poss&#232;de d&#232;s la naissance une capacit&#233; &#224; analyser le rythme de la parole, et nous faisons de plus l'hypoth&#232;se que cette capacit&#233; peut lui &#234;tre utile dans l'apprentissage de la structure des syllabes de sa langue maternelle.&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
&lt;strong&gt;Mots-clefs : &lt;/strong&gt; Acquisition du langage, perception de la parole, initialisation phonologique, prosodie, rythme, discrimination de langues.&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
&lt;strong&gt;Abstract : &lt;/strong&gt; Within the phonological bootstrapping framework, we have investigated the hypothesis that from birth, infants are sensitive to speech rhythm, and that this sensitivity is one of the very first steps of language acquisition. We made acoustic-phonetic measurements in eight languages, showing that a consonant/vowel segmentation of speech can allow determining certain rhythmic properties of languages. This led us to a computational model of rhythm perception, and to simulations predicting which languages can be distinguished on the basis of their rhythmic properties. In order to test these predictions, we ran a series of language discrimination experiments on adult subjects, which showed consistency between the model and the empirical data. To ensure that subjects could not use any other cue than rhythm, we designed a technique based on speech resynthesis allowing to degrade stimuli and preserve their rhythmic properties exclusively. This technique allowed us to show that newborns can discriminate between Dutch and Japanese utterances, on the sole basis of their rhythmic differences. Finally, we questioned the speech-specificity of this sensitivity to rhythm, by running pilot experiments showing language discrimination by monkeys. We conclude that newborn infants have a capacity to process speech rhythm, and we hypothesize that this capacity may help them learning the syllable structure of their native language.&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
&lt;strong&gt;Keywords : &lt;/strong&gt; Language acquisition, speech perception, phonological bootstrapping, prosody, rhythm, language discrimination.&lt;/p&gt;
&lt;p&gt;&lt;BR/&gt;
Pour une bibliographie voir &lt;a href='https://www.rhuthmos.eu/spip.php?article37' class=&#034;spip_in&#034;&gt;ici&lt;/a&gt;, section &#171; sciences cognitives &#187;.&lt;/p&gt;&lt;/div&gt;
		
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