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Hits 1 – 17 of 17

1
How Autism Affects Speech Understanding in Multitalker Environments
In: DTIC (2014)
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2
How Autism Affects Speech Understanding in Multitalker Environments
In: DTIC (2013)
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3
Effects of Speech Intensity on the Callsign Acquisition Test (CAT) and Modified Rhyme Test (MRT) Presented in Noise
In: DTIC (2012)
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4
Performance Assessments of Two-Way, Free-Form, Speech-to-Speech Translation Systems for Tactical Use
In: DTIC (2011)
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5
Linking Semantic and Knowledge Representations in a Multi-Domain Dialogue System
In: DTIC (2007)
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6
Conversational Telephone Speech Corpus Collection for the NIST Speaker Recognition Evaluation 2004
In: DTIC (2004)
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7
The Pragmatics of Taking a Spoken Language System Out of the Laboratory
In: DTIC (2003)
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8
A Three-Tiered Evaluation Approach for Interactive Spoken Dialogue Systems
In: DTIC (2001)
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9
Speech Intelligibility of Native and Non-Native Speech
In: DTIC (2000)
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10
Acoustic-Phonetic Modeling of Non-Native Speech for Language Identification
In: DTIC (2000)
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11
Comparative Experiments on Large Vocabulary Speech Recognition
In: DTIC (1993)
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12
Dialog Structure and Plan Recognition in Spontaneous Spoken Dialog
In: DTIC AND NTIS (1993)
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13
Development of a Spoken Language System
In: DTIC AND NTIS (1992)
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14
Augmented Role Filling Capabilities for Semantic Interpretation of Spoken Language
In: DTIC (1991)
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15
Rule-Based Frequency Domain Speech Coding
In: DTIC AND NTIS (1990)
Abstract: A speech processing system is designed to simulate the transmission of speech signals using a speech coding scheme. The transmitter portion of the simulation extracts a minimized set of frequencies in Fourier space which represents the essence of each of the speech timeslices. These parameters are then adaptively quantized and transmitted to a receiver portion of the coding scheme. The receiver then generates an estimate of the original timeslice from the transmitted parameters using a sinusoidal speech model. After initial design, the thesis investigates how each of the design parameters affect the human perceived quality of speech. This is done with listening tests. The listening tests consist of having volunteers listen to a series of speech reconstructions. Each reconstruction is the result of the coding scheme acting on the same speech input file with the design parameters varied. The design parameters which are varied are: number of frequencies used in the sinusoidal speech model for reconstruction, number of bits to encode amplitude information, and number of bits used to code phase information. The final design parameters for the coding scheme were selected based on the results of the listening tests. Post design listening tests showed that the system was capable of 4800 bps speech transmission with a quality rating of five on a scale from zero (not understandable) to ten (sounds just like original speech).
Keyword: *AMPLITUDE; *RULE BASED ENCODING; *SPEECH ENCODING; *SPEECH PROCESSING; *SPEECH RECORDING; C LANGUAGE; CODING; Computer Programming and Software; FILES(RECORDS); FREQUENCY; FREQUENCY CODING; HEARING; INPUT; PARAMETERS; PHASE CODING; PROCESSING; PROGRAM LISTING; QUALITY; RATINGS; Recording and Playback Devices; SIMULATION; SPEECH; SPEECH PLAYBACK; SPEECH TRANSMISSION; TEST AND EVALUATION; THESES; Voice Communications
URL: http://www.dtic.mil/docs/citations/ADA230774
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA230774
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16
Connected Digit Recognition in a Multilingual Environment
In: DTIC AND NTIS (1988)
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17
Speaker-Independent Connected Speech.
In: DTIC AND NTIS (1987)
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