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Speech Digitization Excitation Study.
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In: DTIC AND NTIS (1975)
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42 |
Natural Communication with Computers 4
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In: DTIC AND NTIS (1974)
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43 |
Natural Communication with Computers. Volume 2. Speech Compression Research at BBN
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In: DTIC AND NTIS (1974)
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44 |
Research on Diagnostic Evaluation of Speech Intelligibility
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In: DTIC AND NTIS (1973)
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46 |
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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HELIUM SPEECH TRANSLATION USING HOMOMORPHIC TECHNIQUES.
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In: DTIC AND NTIS (1970)
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INVESTIGATION OF FACTORS AFFECTING THE QUALITY OF VOCODER SPEECH
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In: DTIC AND NTIS (1969)
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THE EFFECTS OF MASKING VOICES ON THE APPREHENSIBILITY OF SIX CONSONANT ATTRIBUTES
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In: DTIC AND NTIS (1969)
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VOCODED SPEECH IN THE ABSENCE OF THE LARYNGEAL FREQUENCY
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In: DTIC AND NTIS (1967)
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PERFORMANCE EVALUATION OF SPEECH PROCESSING DEVICES. III. DIAGNOSTIC EVALUATION OF SPEECH INTELLIGIBILITY
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In: DTIC AND NTIS (1967)
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ADVANCED ECM SUSCEPTIBILITY MEASUREMENT OF VOICE COMMUNICATIONS EQUIPMENTS.
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In: DTIC AND NTIS (1967)
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THE SIGNIFICANCE OF THE SECOND FORMANT IN SPEECH INTELLIGIBILITY.
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In: DTIC AND NTIS (1966)
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AN EVALUATION OF SPEECH COMPRESSION TECHNIQUES
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In: DTIC AND NTIS (1963)
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WGansing: a multi-voice singing voice synthesizer based on the Wasserstein-Gan
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