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Biological Information Processing in Single Microtubules
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In: DTIC (2014)
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| 2 |
Using Target Network Modelling to Increase Battlespace Agility
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In: DTIC (2013)
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Enabling Efficient Intelligence Analysis in Degraded Environments
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In: DTIC (2013)
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An Approach Using MIP Products for the Development of the Coalition Battle Management Language Standard
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In: DTIC (2013)
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| 6 |
Automated Extraction and Characterisation of Social Network Data from Unstructured Sources -- An Ontology-Based Approach
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In: DTIC (2013)
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| 7 |
Interacting with Multi-Robot Systems Using BML
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In: DTIC (2013)
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| 8 |
QUT Para at TREC 2012 Web Track: Word Associations for Retrieving Web Documents
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In: DTIC (2012)
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| 9 |
Conference Report: Cultural and Linguistic Advancement for Mission Success: Enhancing Language, Regional and Cultural Capabilities Across Whole of Government for an Effective COIN Strategy
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In: DTIC (2012)
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| 10 |
Compressed Domain Automatic Level Control Based on ITU-T G.722.2
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In: DTIC (2012)
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Abstract:
To control speech level automatically in 3G mobile networks in which Transcoder Free Operation (TrFO) is adopted, a compressed domain automatic level control (ALC) method is proposed based on the ITU-T G.722.2 speech codec. The level of decoded speech is first measured using the ITU-T P.56 tool. Then, based on the difference between the measured level and the target level, the gain of ALC is calculated. Finally, the codebook gain parameters of the speech codec are modified according to the ALC gain and the level of decoded speech is adjusted to the target level. The results of a performance evaluation show that, in comparison with the traditional method, the proposed method has smaller speech level bias, lower computational complexity (65% to 75% less), and higher objective quality. The proposed ALC method can easily be applied to transmission networks in which the CELP-based speech codec is adopted, not only restricted to the G.722.2 codec. ; See also ADA587934. Presented at the IEEE International Symposium on Signal Processing and Information Technology (12th) (ISSPIT 2012) held in Ho Chi Minh City, Vietnam, on December 12-15, 2012.
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Keyword:
*ADAPTIVE CONTROL SYSTEMS; *AUDITORY SIGNALS; *AUTOMATIC LEVEL CONTROL; *CODING; *COMPRESSED DOMAIN; *DECODING; *REAL TIME; *SPEECH SIGNALS; *SPEECH TRANSMISSION; *WIRELESS COMMUNICATIONS; Acoustics; AMPLITUDE MODULATION; ATTENUATION; AUTOMATIC; COMPUTATIONAL COMPLEXITY TEST; Cybernetics; FOREIGN REPORTS; ITU-T G.722.2 SPEECH CODEC; ITU-T P.56 TOOL; MOBILE; MOBILE COMMUNICATIONS; OBJECTIVE SPEECH QUALITY TEST; QUALITY; Radio Communications; SIGNAL PROCESSING; SIGNAL TO NOISE RATIO; SPEECH AMPLITUDE; SPEECH LEVEL BIAS TEST; SPEECH QUALITY; SYMPOSIA; TRANSCODER FREE OPERATION; Voice Communications
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URL: http://www.dtic.mil/docs/citations/ADA592114
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA592114
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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 |
An Intelligence Process Model Based on a Collaborative Approach
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In: DTIC (2011)
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| 13 |
A Smarter Common Operational Picture: The Application of Abstraction Hierarchies to Naval Command and Control
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In: DTIC (2011)
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| 14 |
Semantic Analysis of Military Relevant Texts for Intelligence Purposes
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In: DTIC (2011)
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| 15 |
Multilingual Content Extraction Extended with Background Knowledge for Military Intelligence
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In: DTIC (2011)
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Related Entity Finding: University of Waterloo at TREC 2010 Entity Track
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In: DTIC (2010)
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| 18 |
A Novel Framework for Related Entities Finding: ICTNET at TREC 2009 Entity Track
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In: DTIC (2009)
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| 19 |
Relevance Feedback based on Constrained Clustering: FDU at TREC 09
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In: DTIC (2009)
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