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QUT Para at TREC 2012 Web Track: Word Associations for Retrieving Web Documents
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In: DTIC (2012)
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| 3 |
Phoneme Class Based Adaptation for Mismatch Acoustic Modeling of Distant Noisy Speech (Preprint)
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In: DTIC (2012)
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Abstract:
A new adaptation strategy for distant noisy speech is created by phoneme class based approaches for context independent acoustic models. Unlike the previous approaches such as MLLR-MAP adaptation which adapts acoustic model to the features, our phoneme-class based adaptation (PCBA) adapts the distant data features to our acoustic model which has trained on close microphone TIMIT sentences. The essence of PCBA is to create a transformation strategy which makes the distribution of phoneme-classes of distant noisy speech be similar to those of close microphone acoustic model in thirteen dimensional MFCC space (mostly in c0-c1 plane). It creates a mean, orientation and variance adaptation scheme for each phoneme class to compensate the mismatch. New adapted features and new and improved acoustic models which are produced by PCBA are outperforming those created by MLLR-MAP adaptation for ASR and KWS. And PCBA offers a new powerful understanding in acoustic-modeling of distant speech. ; The original document contains color images. This paper was accepted for publication in the Proceedings of Interspeech, Portland, Oregon, 9-13 Sept-2012.
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Keyword:
*PHONEMES; *SPEECH; ACOUSTIC EQUIPMENT; ACOUSTIC MODELING; ACOUSTICS; ADAPTATION; DISTRIBUTION; Linguistics; MEAN; MODELS; PE35885G; PHONEME ANALYSIS; SPEECH ADAPTATION; STRATEGY; SYMPOSIA; TRAINING; WUAFRL3188BA
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA568361
http://www.dtic.mil/docs/citations/ADA568361
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| 4 |
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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| 6 |
Machine Recognition vs Human Recognition of Voices
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In: DTIC (2012)
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| 7 |
Speaker Clustering for a Mixture of Singing and Reading (Preprint)
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In: DTIC (2012)
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| 8 |
Applications of Lexical Link Analysis Web Service for Large-Scale Automation, Validation, Discovery, Visualization, and Real-Time Program-Awareness
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In: DTIC (2012)
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| 9 |
Compressed Domain Automatic Level Control Based on ITU-T G.722.2
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In: DTIC (2012)
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| 10 |
Integrating Hard and Soft Information Sources for D2D Using Controlled Natural Language
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In: DTIC (2012)
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| 11 |
SAWUS: Siena's Automatic Wikipedia Update System
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In: DTIC (2012)
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| 12 |
Aligning Learning Capability with Strategy: A Training Needs Assessment (TNA) Case Study
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In: DTIC (2012)
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| 13 |
Learning for Microblogs with Distant Supervision: Political Forecasting with Twitter
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In: DTIC (2012)
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| 14 |
Kommunikation in der naturwissenschaftlichen Forschung: eine Studie aus sozialpsychologisch-semiotischer Perspektive
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In: Journal für Psychologie ; 6 ; 2 ; 53-69 (2012)
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