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How Autism Affects Speech Understanding in Multitalker Environments
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In: DTIC (2014)
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Abstract:
The modern household can be a chaotic place, full of noise from radios, televisions, family members. The ability to separate speech from background noise is a critical skill for understanding spoken language in such environments. Recent studies suggest that adults with Autism Spectrum Disorders have particular difficulty recognizing speech in acoustically-hostile environments (e.g., Alcantara et al. 2004), but an underlying cause for this deficit remains unknown. This proposal tests our hypotheses that children with ASD will find it more difficult to separate the speech of different talkers than do their typically-developing peers. We also predict that they will fail to exploit visual cues on a talker s face to help in this task, further limiting their ability to process input and learn language on a typical schedule. To date, the data do not seem to match our predictions: children with ASD and typical children appear better able to recognize speech in quiet than in noise, and show better recognition when they can see the face of the person instructing them vs. when there is no visual speech information present. However, the data collection is not yet complete, particularly for children with ASD. ; The original document contains color images.
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Keyword:
*AUTISM; *BACKGROUND NOISE; *SPEECH; Acoustics; CHILDREN; CUES(STIMULI); DATA ACQUISITION; DEFICIENCIES; ENVIRONMENTS; FAMILY MEMBERS; HUMANS; HYPOTHESES; LANGUAGE; LIMITATIONS; NOISE; RECOGNITION; SKILLS; SPECTRA; TEST AND EVALUATION; VISUAL PERCEPTION; Voice Communications
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URL: http://www.dtic.mil/docs/citations/ADA613252 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA613252
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How Autism Affects Speech Understanding in Multitalker Environments
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In: DTIC (2013)
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Effects of Speech Intensity on the Callsign Acquisition Test (CAT) and Modified Rhyme Test (MRT) Presented in Noise
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In: DTIC (2012)
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Performance Assessments of Two-Way, Free-Form, Speech-to-Speech Translation Systems for Tactical Use
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In: DTIC (2011)
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Listener Detection of Talker Stress in Low-Rate Coded Speech
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In: DTIC (2008)
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Linking Semantic and Knowledge Representations in a Multi-Domain Dialogue System
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In: DTIC (2007)
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Comparing Evaluation Metrics for Sentence Boundary Detection
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In: DTIC (2007)
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Measuring Human Readability of Machine Generated Text: Three Case Studies in Speech Recognition and Machine Translation
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In: DTIC (2005)
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Speech Intelligibility with Acoustic and Contact Microphones
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In: DTIC (2005)
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Conversational Telephone Speech Corpus Collection for the NIST Speaker Recognition Evaluation 2004
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In: DTIC (2004)
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Spoken Dialogue for Simulation Control and Conversational Tutoring
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In: DTIC (2004)
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The Pragmatics of Taking a Spoken Language System Out of the Laboratory
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In: DTIC (2003)
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A Three-Tiered Evaluation Approach for Interactive Spoken Dialogue Systems
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In: DTIC (2001)
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Automated Tutoring Dialogues for Training in Shipboard Damage Control
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In: DTIC (2001)
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Speech Intelligibility of Native and Non-Native Speech
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In: DTIC (2000)
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Acoustic-Phonetic Modeling of Non-Native Speech for Language Identification
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In: DTIC (2000)
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Uses of the Diagnostic Rhyme Test (English Version) for Predicting the Effects of Communicators' Linguistic Backgrounds on Voice Communications in English: An Exploratory Study
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In: DTIC (2000)
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Efficient Algorithms for Speech Recognition.
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In: DTIC AND NTIS (1996)
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External/Internal Data Fusion Testbed: History, Components and Experimental Analysis.
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In: DTIC AND NTIS (1995)
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Comparative Experiments on Large Vocabulary Speech Recognition
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In: DTIC (1993)
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