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21
Advanced Audio Interface for Phonetic Speech Recognition in a High Noise Environment
In: DTIC AND NTIS (2000)
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22
The effects of symmetrical and asymmetrical sensorineural hearing loss on speech perception in noise
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23
Spatial Audio Displays for Speech Communications: A Comparison of Free Field and Virtual Acoustic Environments
In: DTIC AND NTIS (1999)
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24
Sound Basics: A Primer in Psychoacoustics
In: DTIC AND NTIS (1998)
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25
The Acoustic-to-Articulatory Mapping of Voiced and Fricated Speech
In: DTIC AND NTIS (1997)
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26
Perception of Auditory Events: Attentional Limitations
In: DTIC AND NTIS (1997)
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27
Fuzzy Controller for Acoustic Vehicle Target Intercept Guidance
In: DTIC AND NTIS (1997)
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28
Methods and Metrics of Voice Communications.
In: DTIC AND NTIS (1996)
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29
A Two-Phase Damped-Exponential Model for Speech Synthesis
In: DTIC (1996)
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30
Diphone-Based Speech Recognition Using Neural Networks.
In: DTIC AND NTIS (1996)
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31
A Self-Organizing Neural Network Architecture for Auditory and Speech Perception with Applications to Acoustic and other Temporal Prediction Problems.
In: DTIC AND NTIS (1995)
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32
The Unsupervised Acquisition of a Lexicon from Continuous Speech.
In: DTIC AND NTIS (1995)
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33
A Robust Loose Coupling for Speech Recognition and Natural Understanding.
In: DTIC AND NTIS (1995)
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34
Language Identification Through Parallel Phone Recognition.
In: DTIC AND NTIS (1995)
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35
MMN And P3 Auditory Evoked Potentials within and Across Phonetic Categories.
In: DTIC AND NTIS (1995)
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36
Training of Homoscedastic Hidden Markov Models For Automatic Speech Recognition.
In: DTIC AND NTIS (1995)
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37
External/Internal Data Fusion Testbed: History, Components and Experimental Analysis.
In: DTIC AND NTIS (1995)
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38
High-Order Modeling Techniques for Continuous Speech Recognition.
In: DTIC AND NTIS (1995)
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39
A Self-Organizing Neural Network Architecture for Auditory and Speech Perception with Applications to Acoustic and Other Temporal Prediction Problems.
In: DTIC AND NTIS (1994)
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40
A Self-Organizing Neural Network Architecture for Auditory and Speech Perception with Applications to Acoustic and Other Temporal Prediction Problems
In: DTIC AND NTIS (1994)
Abstract: This project is developing autonomous neural network models for the real-time perception and production of acoustic and speech signals. A new acoustic filter was developed to show how coarticulated context-sensitive auditory signals can be separated and represented in a more context-independent fashion, thereby easing the recognition problem. Parallel processing streams sensitive to sustained and transient signals are used, as in vision. A model of working memory was developed that automatically compensates for variable acoustic or speech rates. The model shows how invariance of the short term storage of variable-rate acoustic streams can explain data about categorical boundary shifts when the distributions of silent intervals or of vowel durations are altered. New learning and categorization nets were shown to discriminate vowels with comparable accuracy but much higher compression than alternative methods. Models of skilled motor control were developed to clarify how speech and arm movements can be planned and flexibly modified by task requirements. Studies of neural oscillators suggest how rhythmic behaviors relevant to perception and action, notably synchronous oscillations, may be generated and controlled.
Keyword: *ACOUSTIC SIGNALS; *AUDITORY SIGNALS; *NEURAL NETS; ACCURACY; ACOUSTIC FILTERS; Acoustics; AUDITORY PERCEPTION; COMPRESSION; Cybernetics; INTERVALS; INVARIANCE; LEARNING; MODELS; OSCILLATION; OSCILLATORS; PARALLEL PROCESSING; PE61102F; PERCEPTION; REAL TIME; RECOGNITION; REQUIREMENTS; SIGNALS; SPEECH; STORAGE; TRANSIENTS; VARIABLES; VISION; WUAFOSR2313AS
URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA277526
http://www.dtic.mil/docs/citations/ADA277526
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