The relation between the speech intelligibility of Chinese and the speech transmission index (STI)is discussed, which is based on some useful properties of the modulation transfer function (MTF)and the result obtained...The relation between the speech intelligibility of Chinese and the speech transmission index (STI)is discussed, which is based on some useful properties of the modulation transfer function (MTF)and the result obtained by articulation tests under different signal-to-noise ratios.展开更多
In this study,an evaluation of the presentation of speech acts in six oral English textbooks is conducted from both qualitative and quantitative perspectives to see how speech acts are presented and whether enough and...In this study,an evaluation of the presentation of speech acts in six oral English textbooks is conducted from both qualitative and quantitative perspectives to see how speech acts are presented and whether enough and explicit meta-pragmatic and contextual information are provided.Results show that 1)there is a paucity of speech acts and the average percentage of the six textbooks including speech acts is only 28.3%.And some speech acts like‘threatening’,‘warning’,‘declaring’,‘welcoming’are not presented at all.2)Meta-pragmatic and contextual information is too general and far from enough.Among all the six textbooks,from Book 1 to Book 5,contextual information is deduced by learners through reading conversations.Only in Book 6,a contextual description is provided before the conversation begins.Contextual information such as the age,gender and social status of Speaker and Hearer is never presented.Contextual information like the relationship between Speaker and Hearer and the place where the conversation happens is inferred from reading the conversations.Meta-pragmatic information like the degree of formality,politeness strategy,indirect speech act strategy,and social norms are not at all involved.Only in Book 1,a cultural tip is provided.Since oral English textbooks are one of the main sources for Chinese EFL learners to enhance their pragmatic competence,it is much expected that they should present a wide variety of popularly-used speech acts with rich contextual information as appropriate language input.展开更多
The acoustic characteristics or the chinese vowels of 24 children with cleft palate and 10 normal control children were analyzed by computerized speech signal processing system (CSSPS),and the speech articulation was ...The acoustic characteristics or the chinese vowels of 24 children with cleft palate and 10 normal control children were analyzed by computerized speech signal processing system (CSSPS),and the speech articulation was judged with Glossary of clert palate speech(GCPS).The listening judgement showed that the speech articulation was significantly different between the two groups(P<0.01).The objective quantitative measurement suggested that the formant pattern(FP)of vowels in children with cleft palate was different from that of normal control children except vowel[a](P< 0.05).The acoustic vowelgraph or the Chinese vowels which demonstrated directly the relationship of vocal space and speech perception was stated with the first formant frequence(F1)and the second formant frequence(F2).The authors conclude that the values or F1 and F2 point out the upward and backward tongue movement to close the clert, which reflects the vocal characteristics of trausmission of clert palate speech.展开更多
文摘The relation between the speech intelligibility of Chinese and the speech transmission index (STI)is discussed, which is based on some useful properties of the modulation transfer function (MTF)and the result obtained by articulation tests under different signal-to-noise ratios.
文摘In this study,an evaluation of the presentation of speech acts in six oral English textbooks is conducted from both qualitative and quantitative perspectives to see how speech acts are presented and whether enough and explicit meta-pragmatic and contextual information are provided.Results show that 1)there is a paucity of speech acts and the average percentage of the six textbooks including speech acts is only 28.3%.And some speech acts like‘threatening’,‘warning’,‘declaring’,‘welcoming’are not presented at all.2)Meta-pragmatic and contextual information is too general and far from enough.Among all the six textbooks,from Book 1 to Book 5,contextual information is deduced by learners through reading conversations.Only in Book 6,a contextual description is provided before the conversation begins.Contextual information such as the age,gender and social status of Speaker and Hearer is never presented.Contextual information like the relationship between Speaker and Hearer and the place where the conversation happens is inferred from reading the conversations.Meta-pragmatic information like the degree of formality,politeness strategy,indirect speech act strategy,and social norms are not at all involved.Only in Book 1,a cultural tip is provided.Since oral English textbooks are one of the main sources for Chinese EFL learners to enhance their pragmatic competence,it is much expected that they should present a wide variety of popularly-used speech acts with rich contextual information as appropriate language input.
文摘The acoustic characteristics or the chinese vowels of 24 children with cleft palate and 10 normal control children were analyzed by computerized speech signal processing system (CSSPS),and the speech articulation was judged with Glossary of clert palate speech(GCPS).The listening judgement showed that the speech articulation was significantly different between the two groups(P<0.01).The objective quantitative measurement suggested that the formant pattern(FP)of vowels in children with cleft palate was different from that of normal control children except vowel[a](P< 0.05).The acoustic vowelgraph or the Chinese vowels which demonstrated directly the relationship of vocal space and speech perception was stated with the first formant frequence(F1)and the second formant frequence(F2).The authors conclude that the values or F1 and F2 point out the upward and backward tongue movement to close the clert, which reflects the vocal characteristics of trausmission of clert palate speech.