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Underwater Signal Discrimination System.
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In: DTIC AND NTIS (1980)
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| 62 |
Automated Intelligibility Measurement System.
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In: DTIC AND NTIS (1980)
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| 63 |
Acoustic Signals for Emergency Evacuation
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In: DTIC AND NTIS (1979)
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| 65 |
Stochastic Modeling as a Means of Automatic Speech Recognition
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In: DTIC AND NTIS (1975)
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Abstract:
Automatic recognition of continuous speech involves estimation of a sequence X(1), X(2), X(3), ., X(T) which is not directly observed (such as the words of a spoken utterance), based on a sequence Y(1), Y(2), Y(3), ., Y(T) of related observations (such as the sequence of acoustic parameter values) and a variety of sources of knowledge. Formally the author wishes to find the sequence x(1:T) which maximizes the a posteriori probability Pr(x(1:T))=(1:T) Y(1:T) =y(1:T),A,L.P,S), where A,L,P,S represent the acoustic-phonetic, lexical, phonological, and syntactic-semantic knowledge. A speech recognition system must attempt to approximate a solution to this problem, whether or not the system uses a formal stochastic model. The DRAGON speech recognition system models the knowledge sources as probalistic functions of Markov processes. The assumption of the Markov property allows the use of an optimal search strategy. A simplified implementation of the DRAGON system has been developed using knowledge A and L, and some of the knowledge from S.
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Keyword:
*COMPUTER APPLICATIONS; *DRAGON speech recognition system; *SPEECH RECOGNITION; ACOUSTIC SIGNALS; HEARSAY systems; MARKOV PROCESSES; NETWORK FLOWS; PHONETICS; SEMANTICS; SIGNAL PROCESSING; SYNTAX; THESES; Voice Communications
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URL: http://www.dtic.mil/docs/citations/ADA013808
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA013808
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| 66 |
Segmentation and Labeling of Speech: A Comparative Performance Evaluation
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In: DTIC AND NTIS (1975)
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| 67 |
Acoustic Alteration of Speech Processed Through Air Force Aircraft Communication Systems.
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In: DTIC AND NTIS (1974)
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| 69 |
The Role of Acoustic Processing in Speech Understanding Systems
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In: DTIC AND NTIS (1973)
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| 70 |
An Investigation of the Cross Correlation of Speech Signals
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In: DTIC AND NTIS (1970)
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| 71 |
Whale Phonations in Repetitive Stanzas.
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In: DTIC AND NTIS (1970)
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| 73 |
Acoustic Measurements for Speaker Recognition
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In: DTIC (1969)
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| 74 |
An Empirical Equation for the Determination of the Maximum Side-Aspect Target Strength of an Individual Fish
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In: DTIC AND NTIS (1969)
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| 75 |
ASPECTS OF SPEECH RECOGNITION BY COMPUTER.
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In: DTIC AND NTIS (1969)
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| 76 |
An Automatic Electronic Speech Teaching Responder.
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In: DTIC AND NTIS (1968)
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| 78 |
A STUDY OF CRITICAL-INSTANT SAMPLING OF SPEECH PARAMETERS FOR AUTOMATIC RECOGNITION OF SPOKEN WORDS.
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In: DTIC AND NTIS (1966)
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| 79 |
PHYSICAL AND PERCEPTUAL IDENTIFICATIONS OF CZECH VOWELS.
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In: DTIC AND NTIS (1966)
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| 80 |
ON COGNITION OF SPEECH SOUNDS WITH THE AID OF SELF-ORGANIZING SYSTEMS WITH TWO POSITIVE FEEDBACKS.
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In: DTIC AND NTIS (1966)
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