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61
Overview of the Third Message Understanding Evaluation and Conference
In: DTIC (1991)
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62
A Workshop on the Gathering of Information for Problem Formulation
In: DTIC AND NTIS (1991)
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63
Speech Recognition Application in C.I.C
In: DTIC AND NTIS (1991)
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64
Natural Language Processing Systems Evaluation Workshop Held in Berkely, California on 18 June 1991
In: DTIC AND NTIS (1991)
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65
Two Recent Developments in Tree Adjoining Grammars: Semantics and Efficient Processing
In: DTIC (1990)
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66
Speech Analysis and Synthesis and Man-Machine Speech Communications for Air Operations. (Synthese et Analyse de la Parole et Liaisons Vocales Homme- Machine dans les Operations Aeriennes)
In: DTIC AND NTIS (1990)
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67
The Effects of Head-Up Display (HUD) Pitch Ladder Articulation, Pitch Number Location and Horizon Line Length on Unusual Attitude Recoveries for the F-16
In: DTIC AND NTIS (1990)
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68
User Modeling and Register Theory: A Congruence of Concerns
In: DTIC AND NTIS (1990)
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69
Processing Problems in the IRUS Queries: An Empirical Verification of Problem Coverage in the Natural Language Sourcebook
In: DTIC AND NTIS (1990)
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70
Keyword Feedback for Improving Speech Recognition in Command and Control Information-Acquisition Tasks
In: DTIC AND NTIS (1989)
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71
Plans for a Task-Oriented Evaluation of Natural Language Understanding Systems
In: DTIC (1989)
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72
The Effects of Hearing Loss on Speech Communication and the Perception of Other Sounds.
In: DTIC AND NTIS (1989)
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73
Artificial Intelligence in the Classroom: The Impact of a Computer-Based Tutor on Teachers and Students
In: DTIC AND NTIS (1989)
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74
AI Tools for Foreign Language Training
In: DTIC AND NTIS (1989)
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75
The Effects of Hearing Protectors on Speech Communication and the Perception of Warning Signals
In: DTIC AND NTIS (1989)
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76
Development of a Model Which Provides a Total System Approach to Integrating Voice Recognition and Speech Synthesis into the Cockpit of U.S. Navy Aircraft
In: DTIC AND NTIS (1988)
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77
The DoD Gateway Information System (DGIS): The Development Toward Artificial Intelligence and Hypermedia in Common Command Language
In: DTIC AND NTIS (1988)
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78
User Language Considerations in Military Human-Computer Interface Design
In: DTIC AND NTIS (1988)
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79
A Model for Integrating a Job-Aiding, Training, and Performance Assessment System--a Preliminary Concept Paper.
In: DTIC AND NTIS (1988)
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80
Speech Recognition: Acoustic-Phonetic Knowledge Acquisition and Representation.
In: DTIC AND NTIS (1987)
Abstract: Our long-term research goal is the development and implementation of speaker-independent continuous speech recognition systems. It is our conviction that the proper utilization of speech-specific knowledge is essential for such advanced systems. Our research is thus directed toward the acquisition of acoustic-phonetic and lexical knowledge, and the application of this knowledge to speech recognition algorithms. We continued our investigation into the contextual variations of speech sounds, emphasizing on the role of the syllable in these variations. Our analysis revealed that the acoustic realization of a stop depends greatly on its position within a syllable. In order to represent and utilize this information in speech recognition, we have adopted a hierarchical syllable description that enables us to specify the constraints in terms of an immediate constituent grammar. We will continue to quantify the effect of context on the acoustic realization of phonemes using larger constituent units such as syllables. In addition, we will develop a grammar to describe the relationship between phonemes and acoustic segments, and a parser that will make use of such a grammar for phonetic recognition and lexical access.
Keyword: *SPEECH RECOGNITION; *Speech sounds.; ACCESS; ACQUISITION; ALGORITHMS; COMPUTER APPLICATIONS; DATA ACQUISITION; GRAMMARS; Human Factors Engineering & Man Machine System; Knowledge acquisition; Knowledge representation; LEXICOGRAPHY; Linguistics; LONG RANGE(TIME); PHONEMES; PHONETICS; RECOGNITION; SOUND; SPEECH; SYLLABLES
URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA187293
http://www.dtic.mil/docs/citations/ADA187293
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