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IMMERSE: Interactive Mentoring for Multimodal Experiences in Realistic Social Encounters
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In: DTIC (2015)
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| 2 |
Auditory Perception in an Open Space: Detection and Recognition
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In: DTIC (2015)
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Abstract:
The purpose of the current study was to investigate the effects of distance and meteorological conditions on detection and recognition of, and distance estimation to, various sound sources spread across a large open field. This report presents results of the detection and recognition tasks. Both acoustic (target sound and noise level) and meteorological (wind direction and strength, temperature, atmospheric pressure, humidity) data were collected for each experimental trial. Twenty-four subjects participated in this study. Eight various sounds delivered from 6 test loudspeakers were presented to the listeners. The results indicate that in most cases as soon as a sound is detected, it is recognized. In most cases both the detection and recognition of sound sources declined rapidly at distances greater than approximately 100-200 m. The main effects of weather conditions and environmental noise are strongly correlated. Some expectations of sound propagation were not observed during data collection; specifically, sounds were more easily heard in the afternoon as opposed to the morning, which meant that participants detected and recognized sounds more accurately in the afternoon than in the morning. This was most likely attributed to the varying effects of temperature, humidity, and background noise in relatively very hot listening conditions. However, the overall performance of participants was very close to the results predicted by in-house software that modeled human detection of sounds. ; Prepared in collaboration with Evidence Based Research, Inc. The original document contains color images.
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Keyword:
*ACOUSTIC DETECTION; *AUDITORY PERCEPTION; *HEARING; *METEOROLOGICAL DATA; *NOISE(SOUND); Acoustics; Anatomy and Physiology; Atmospheric Physics; ATMOSPHERIC SOUNDING; AUDITORY DISTANCE ESTIMATION; BACKGROUND NOISE; BAROMETRIC PRESSURE; COMPUTER PROGRAMS; CORRELATION; DATA ACQUISITION; EXPERIMENTAL DESIGN; HIGH TEMPERATURE; Human Factors Engineering & Man Machine System; OPEN SPACE; RANGE(DISTANCE); RECOGNITION; SOFTWARE TOOLS; SOUND PROPAGATION; SOUND TRANSMISSION; STRENGTH(GENERAL); TEMPERATURE; WAVE PROPAGATION; WIND DIRECTION
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URL: http://www.dtic.mil/docs/citations/ADA621862
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA621862
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| 3 |
Document Image Parsing and Understanding using Neuromorphic Architecture
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In: DTIC (2015)
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Decision Allocation of C2 System Based on ULMADM
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In: DTIC (2014)
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Uncertainty Can Increase Explanatory Credibility
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In: DTIC (2013)
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| 6 |
Measuring Collective Intelligence in Human-Machine Systems
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In: DTIC (2013)
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Performance Evaluation of a Semantic Perception Classifier
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In: DTIC (2013)
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| 9 |
Representing and Reasoning with Functional Knowledge for Spatial Language Understanding
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In: DTIC (2011)
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| 10 |
The SRI NIST 2010 Speaker Recognition Evaluation System (PREPRINT)
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In: DTIC (2011)
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| 11 |
Trends in Human-Computer Interaction to Support Future Intelligence Analysis Capabilities
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In: DTIC (2011)
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| 12 |
A Concept Map Knowledge Model of Intelligence Analysis
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In: DTIC (2011)
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| 13 |
Transfer Learning in Integrated Cognitive Systems
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In: DTIC (2010)
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| 14 |
Analysis of Discourse Accent and Discursive Practices I&W
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In: DTIC (2010)
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| 15 |
Transformational Impact of "Digital Natives" on Cultures, Commerce and Societies
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In: DTIC (2010)
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| 16 |
Rapidly Customizable Spoken Dialogue Systems
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In: DTIC (2009)
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| 18 |
Effective Presentation Media for Passenger Safety I: Comprehension of Briefing Card Pictorials and Pictograms
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In: DTIC (2008)
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| 19 |
A Sensemaking Visualization Tool with Military Doctrinal Elements
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In: DTIC (2008)
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Automation Reliability in Unmanned Aerial Vehicle Control: A Reliance-Compliance Model of Automation Dependence in High Workload
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In: DTIC (2006)
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