Abstract:
:That lipreading plays a role in phoneme recognition, even when the acoustic signal alone is phonologically unambiguous, has been concluded from experiments in the perception of discrepant combinations of acoustic and visual speech signals. Little is known about the effect of visual information on explicitly phonetic judgments, the kind of judgments made by trained observers that are the basis for describing the phonological pattern of a language. In this study some isolated vowels, most of them similar to vowels in standard French, were produced in ten random orders by an experienced phonetician. The acoustic signals and frontal views of the lower half of the speaker's face were recorded on video tape. By computer editing, audiovisual stimuli were prepared in which pairs of vowels supposed to differ primarily in rounding were variously combined. Twenty French-speaking speech researchers carried out three tasks: to decide on the rounding of each vowel by sound alone, by sight alone, and by sound when accompanied by matching or discrepant images of the talker. Their summed responses indicate that, despite the instruction to base decisions on the auditory signal, visual evidence of speech activity significantly "perturbed" subjects' rounding judgments. However, the lipreading effect varied greatly across both subjects and vowels. Most subjects judged most vowels strictly on the basis of the auditory information, while for others lipreading exerted paramount influence. Only a small minority responded so as to indicate any integration of discrepant rounding information registered by ear and eye.
journal_name
Lang Speechjournal_title
Language and speechauthors
Lisker L,Rossi Mdoi
10.1177/002383099203500402subject
Has Abstractpub_date
1992-10-01 00:00:00pages
391-417eissn
0023-8309issn
1756-6053journal_volume
35 ( Pt 4)pub_type
杂志文章abstract::Adults are generally adept at recognizing familiar words in unfamiliar accents. However, studies testing young children’s abilities to cope with accent-related variation in the speech signal have generated mixed results, with some work emphasizing toddlers’ early competence and other work focusing more on their long-l...
journal_title:Language and speech
pub_type: 杂志文章
doi:10.1177/0023830915600471
更新日期:2016-09-01 00:00:00
abstract::Four speaker identification tests were conducted using five female speakers known to the listeners. Starting from acoustic recordings of reiterant "ma" syllables, the perceptual importance of the following three factors was investigated: F0 height, F0 contour, and speech rhythm. For speakers with typically low or high...
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doi:10.1177/00238309990420020501
更新日期:1999-04-01 00:00:00
abstract::Increasing numbers of Hispanic immigrants are entering the US and learning American-English (AE) as a second language (L2). Previous studies investigating the relationship between AE and Spanish vowels have revealed an advantage for early L2 learners for their accuracy of L2 vowel perception. Replicating and extending...
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abstract::The categorical perception paradigm was used to investigate whether French-English bilinguals categorize a code-switched word as French or English on the basis of its acoustic-phonetic information alone or whether they are influenced by the base-language context in which the word occurs, that is, by the language in wh...
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abstract::In this article we report on two experiments about the perception of audiovisual cues to emotional speech. The article addresses two questions: 1) how do visual cues from a speaker's face to emotion relate to auditory cues, and (2) what is the recognition speed for various facial cues to emotion? Both experiments repo...
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journal_title:Language and speech
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abstract::This paper presents a study of the temporal organization of lexical repair in spontaneous Dutch speech. It assesses the extent to which offset-to-repair duration and repair tempo can be predicted on the basis of offset timing, reparandum tempo and measures of the informativeness of the crucial lexical items in the rep...
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journal_title:Language and speech
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Language and speech
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journal_title:Language and speech
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