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Immersive Experience: Evoking the Elements of Contemplative Space in Japanese Architecture ...
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Corr, Brian. - : The Australian National University, 2018
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Advanced Subspace Techniques for Modeling Channel and Session Variability in a Speaker Recognition System
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In: DTIC (2012)
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Cognitive Tools for Humanoid Robots in Space
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In: DTIC AND NTIS (2004)
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A Post-Processing Algorithm for Time Domain Pitch Trackers.
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In: DTIC AND NTIS (1983)
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INVESTIGATIONS OF THE CONSTANT GEOMAGNETIC FIELD (ALL-UNION CONFERENCE IN LENINGRAD).
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In: DTIC AND NTIS (1967)
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VOICE COMMUNICATION PROBLEMS IN SPACECRAFT AND UNDERWATER OPERATIONS
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In: DTIC AND NTIS (1966)
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INFLUENCE OF SELECTED VIBRATIONS UPON SPEECH (RANGE OF CPS AND RANDOM)
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In: DTIC AND NTIS (1963)
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Abstract:
Certain characteristics of speech production are altered during low- frequency vibration (2-20 cps) of the talker. In view of this, speech communication is not at all assured during the vibration and buffeting associated with powered flight, launch, and reentry of manned space flights of the present and the future. Vibrations having the most adverse effects upon man are low- frequency sinusoidal, and random in nature. Standard speech material read by talkers exposed to low-frequency sinusoidal and random vibration conditions was recorded. This material was evaluated both objectively and subjectively in terms of intelligibility, duration, and quality of speech. In experiment I, seated talkers were subjected to vertical, low-frequency sinusoidal vibration. Frequencies of vibration most detrimental to speech production were 6 cps, 8 cps, and 10 cps when speech material was presented in combination with a masking noise. In experiment II, the sitting talkers were exposed to random vibration that simulated the type of conditions experienced in actual space missions and during high-speed, low-altitude flight. No significant differences in speech production were found due to random vibration (0.5 to 8 cps). ; Report on ''Biohcchanics of Aerospace Operations.
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Keyword:
*VIBRATION; INFORMATION THEORY; INTELLIGIBILITY; INTERFERENCE; LOW FREQUENCY; Mechanics; SPACE ENVIRONMENTS; SPEECH
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0416816
http://www.dtic.mil/docs/citations/AD0416816
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