| 61 |
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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| 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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Abstract:
The author discusses methods and problems of acoustic signal processing for systems to enable machines to understand spoken communication. Emphasis is on research outside of the ARPA-sponsored SUR (Speech Understanding Research) study. This acoustic level processing includes three steps, not necessarily distinct: (1) preprocessing the original analog signal or its digitized form by basic techniques such as amplitude compression; (2) analysis of the preprocessed signals using fast Fourier transformations, digital filtering, etc; and (3) parameterizing the results in phoneme-sized chunks by formats, autocorrelation techniques, etc. Problems include (1) environmental noise, (2) transducer limitations, (3) determining an appropriate parameterization technique, and (4) coping with wide phonetic, syntactic, and semantic variability of speech.
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Keyword:
*ACOUSTIC SIGNALS; *SIGNAL PROCESSING; *SPEECH RECOGNITION; Acoustics; SPEECH COMPRESSION; SYNTHESIS; VOCODERS; Voice Communications
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0777076
http://www.dtic.mil/docs/citations/AD0777076
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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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