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Rapidly Customizable Spoken Dialogue Systems
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In: DTIC (2009)
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| 2 |
Concept of Operations (CONOPS) for Foreign Language and Speech Translation Technologies in a Coalition Military Environment
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In: DTIC AND NTIS (2005)
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The Requirements and Applications of Speech Recognition Technology for Voice Activated Command and Control in the Tactical Military Environment
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In: DTIC (2004)
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Listen-Communicate-Show (LCS): Spoken Language Command of Agent-Based Remote Information Access
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In: DTIC (2001)
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Integrating Natural Language and Gesture in a Robotics Domain
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In: DTIC AND NTIS (1998)
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Spoken Human-Machine Dialogue Workshop.
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In: DTIC AND NTIS (1995)
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| 7 |
PEGASUS: A Spoken Language Interface for On-Line Air Travel Planning
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In: DTIC (1994)
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Speech Recognition Application in C.I.C
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In: DTIC AND NTIS (1991)
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Speech Analysis and Synthesis and Man-Machine Speech Communications for Air Operations. (Synthese et Analyse de la Parole et Liaisons Vocales Homme- Machine dans les Operations Aeriennes)
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In: DTIC AND NTIS (1990)
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Keyword Feedback for Improving Speech Recognition in Command and Control Information-Acquisition Tasks
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In: DTIC AND NTIS (1989)
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The Effects of Hearing Loss on Speech Communication and the Perception of Other Sounds.
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In: DTIC AND NTIS (1989)
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Abstract:
Noise-induced hearing loss acts as a low-pass filter for individuals receiving speech sounds or warning signals. These losses can also cause some degree of distortion in the auditory system, necessitating a speech-to-noise ratio of up to 10 dB more favorable to achieve speech recognition comparable to a normal-hearing listener. These distortions may appear in the frequency, intensity, and temporal domains. Hearing in the high-frequency range is important for understanding speech in noisy conditions, or when speech has been distorted by, for example, reverberation or filtering. Recent research targets the point of beginning hearing handicap or 'low fence' as an average hearing threshold level between 15 and 30 dB for the audiometric frequencies 1000, 2000, and 3000 Hz. The effects of hearing impairment on speech may be estimated by various frequency-filter models, which need to be adjusted to account for the distortion component. There is lack of data on the ability of hearing-impaired listeners to detect and recognize warning signals, although predictions based on filtering models indicate that differences between normal-hearing and hearing-impaired listeners are small. (kr)
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Keyword:
*AUDITORY DEFECTS; *HEARING; *Hearing loss; *PHYSIOLOGICAL EFFECTS; *VOICE COMMUNICATIONS; Acoustics; AS74A; DISTORTION; FILTERS; HIGH FREQUENCY; Human Factors Engineering & Man Machine System; LEVEL(QUANTITY); LOW PASS FILTERS; MODELS; NOISE; PE61102A; PERCEPTION; REVERBERATION; SIGNAL TO NOISE RATIO; SIGNALS; SOUND; SPEECH; SPEECH RECOGNITION; SPEECH TRANSMISSION; TARGETS; THRESHOLDS(PHYSIOLOGY); WARNING SYSTEMS
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA212480
http://www.dtic.mil/docs/citations/ADA212480
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| 13 |
The Effects of Hearing Protectors on Speech Communication and the Perception of Warning Signals
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In: DTIC AND NTIS (1989)
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Speech Recognition: Acoustic-Phonetic Knowledge Acquisition and Representation.
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In: DTIC AND NTIS (1987)
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Effect of the M25 Protective Mask and Hood on Speech Intelligibility and Voice Level.
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In: DTIC AND NTIS (1987)
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Cepstral Domain Talker Stress Compensation for Robust Speech Recognition
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In: DTIC AND NTIS (1986)
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| 17 |
Exploiting Sequential Phonetic Constraints in Recognizing Spoken Words.
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In: DTIC AND NTIS (1985)
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| 18 |
Communication and Miscommunication.
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In: DTIC AND NTIS (1985)
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Speech Recognition: Acoustic Phonetic and Lexical Knowledge Representation.
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In: DTIC AND NTIS (1983)
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