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A Case Study of International ESL Learners' Perceptions of Technology Use in English Language Learning ...
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Rashed, Doaa. - : Maryland Shared Open Access Repository, 2008
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Automated Speech Intelligibility System for Head-Borne Personal Protective Equipment: Proof of Concept
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In: DTIC (2008)
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Abstract:
An automated objective test system was developed to assess the impact of head-borne personal protective equipment on speech intelligibility and transmission. The system comprised talker and listener headforms, speech recordings, and speech recognition software. A recording of sentences from the Speech Perception in Noise test was transmitted from the speaker in the talker headform to microphones in the ears of the listener headform. The speech recognition software recorded the speech received at the listener headform. The responses were scored by hand. Speech transmission was assessed by separately placing two air-purifying respirators on the talker headform while speech intelligibility was evaluated by separately placing a chemical protective suit, an escape respirator with hood, and a ballistic helmet on the listener headform. A control condition with bareheaded talker and listener headforms was run for comparison. Speech transmission was statistically significantly degraded by both respirator conditions compared to the control condition. The protective suit and escape respirator both caused statistically significant decreases in speech intelligibility compared to the control and helmet conditions. These results show that an automated test system has been developed that can be used to quantify degradations in speech transmission and intelligibility when head-borne personal protective equipment is worn. ; Prepared in collaboration with Battelle Memorial Institute, Columbus, OH. Sponsored in part by Department of Homeland Security, Science and Technology Directorate.
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Keyword:
*COMPUTER PROGRAMS; *INTELLIGIBILITY; *PROTECTIVE MASKS; *SPEECH RECOGNITION SOFTWARE; *SPEECH TRANSMISSION; Biological and Radiological Warfare; Chemical; COMMUNICATIONS; EXPOSURE SUITS; HELMETS; HOODS; PERSONAL PROTECTIVE EQUIPMENT; RESPIRATORS; TEST AND EVALUATION; Voice Communications
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA480001 http://www.dtic.mil/docs/citations/ADA480001
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Laboratory for Computational Cultural Dynamics
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In: DTIC (2008)
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Annotating texts for language documentation with Discourse Profiler's metatagging system
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WeSay, a tool for engaging native speakers in dictionary building
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Review of: Coherence in natural language: data structures and applications, by Florian Wolf and Edward Gibson
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FieldWorks data notebook: software for writing digital fieldnotes
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A Case Study of International ESL Learners' Perceptions of Technology Use in English Language Learning
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Rashed, Doaa. - : University of Maryland, Baltimore County (UMBC), 2008
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In: umi-umbc-1225.pdf (2008)
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Growing a Domain Specific Language with Split Extensions
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In: https://hal.inria.fr/inria-00175805 ; [Research Report] RR-6314, INRIA. 2007 (2007)
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Automatic text summarization using lexical chains : algorithms and experiments
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A Proof-Theoretic Foundation of Abortive Continuations
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In: ISSN: 1388-3690 ; EISSN: 1573-0557 ; Higher-Order and Symbolic Computation ; https://hal.inria.fr/hal-00697242 ; Higher-Order and Symbolic Computation, Springer Verlag, 2007, 20 (4), ⟨10.1007/s10990-007-9007-z⟩ (2007)
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Peter, the Language that does not Exist. ; Peter, le langage qui n’existe pas.
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In: https://hal.inria.fr/tel-01148503 ; Computation and Language [cs.CL]. INPL - INP de LORRAINE, 2007 (2007)
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Detecting Deception in the Military Infosphere: Improving and Integrating Human Detection Capabilities with Automated Tools
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In: DTIC (2007)
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The Knowledge Matrix Approach to Intelligence Fusion
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In: DTIC (2007)
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Intelligence Dissemination to the Warfighter
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In: DTIC (2007)
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Real Time News Analysis for Improved Social Relationship Discovery
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In: DTIC (2007)
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