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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 3 4 5 6 7 8 9...42 Hits 81 – 100 of 839 81 Prosodic Stress, Information, and Intelligibility of Speech in Noise Divenyi, Pierre L. In: DTIC (2009) BASE Show details 82 Speech Processing in Realistic Battlefield Environments (Le Traitement de la Parole en Environnement de Combat Realiste) In: DTIC (2009) BASE Show details 83 Long Term Examination of Intra-Session and Inter-Session Speaker Variability Lawson, A. D.; Stauffer, A. R.; Smolenski, B. Y.... In: DTIC (2009) BASE Show details 84 2-D Processing of Speech for Multi-Pitch Analysis Wang, Tianyu T.; Quatierei, Thomas F. In: DTIC (2009) BASE Show details 85 Towards Co-Channel Speaker Separation by 2-D Demodulation of Spectrograms Wang, Tianyu T.; Quatieri, Thomas F. In: DTIC (2009) Abstract: This paper explores a two-dimensional (2-D) processing approach for co-channel speaker separation of voiced speech. We analyze localized time-frequency regions of a narrowband spectrogram using 2-D Fourier transforms and propose a 2-D amplitude modulation model based on pitch information for single and multi-speaker content in each region. Our model maps harmonically-related speech content to concentrated entities in a transformed 2-D space, thereby motivating 2-D demodulation of the spectrogram for analysis/synthesis and speaker separation. Using a priori pitch estimates of individual speakers, we show through a quantitative evaluation: 1) Utility of the model for representing speech content of a single speaker and 2) Its feasibility for speaker separation. For the separation task, we also illustrate benefits of the model's representation of pitch dynamics relative to a sinusoidal-based separation system. ; Presented at IEEE Workshop on Applications of Signal Processing to Audio and Acoutics held in New Paltz, NY on Oct 18-21, 2009. Published in Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoutics, v65-68, Oct 2009. Keyword: *SPEECH ANALYSIS; FOURIER TRANSFORMATION; GRATING COMPRESSION TRANSFORM; SEPARATION; SPEAKERS; SPECTROGRAMS; SPECTROGRAPHY; TWO DIMENSIONAL; Voice Communications; WORKSHOPS URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA519581 http://www.dtic.mil/docs/citations/ADA519581 BASE Hide details 86 Perturbation and Pitch Normalization as Enhancements to Speaker Recognition Lawson, A; Linderman, M; Leonard, M... In: DTIC (2009) BASE Show details 87 Long Term Examination of Intra-Session and Inter-Session Speaker Variability Lawson, A. D.; Staufer, A. R.; Smolenski, B. Y.... In: DTIC (2009) BASE Show details 88 Spoken Word Recognition by Humans: A Single- or a Multi-Layer Process Ghitza, Oded In: DTIC (2008) BASE Show details 89 Automated Speech Intelligibility System for Head-Borne Personal Protective Equipment: Proof of Concept Coyne, Karen M.; Barker, Daniel J.; Eshbaugh, Jonathan P. In: DTIC (2008) BASE Show details 90 Automating Convoy Training Assessment to Improve Soldier Performance LaVoie, Noelle; Foltz, Peter; Rosenstein, Mark... In: DTIC (2008) BASE Show details 91 Odds of Successful Transfer of Low-level Concepts: A Key Metric for Bidirectional Speech-to-Speech Machine Translation in DARPA's TRANSTAC Program Sanders, Gregory A.; Bronsart, Sebastien; Condon, Sherri... In: DTIC (2008) BASE Show details 92 A Review of Contributions by Australian Research Institutions into Speech Processing Tao, Trevor C. In: DTIC (2008) BASE Show details 93 Pilot English Language Proficiency and the Prevalence of Communication Problems at Five U.S. Air Route Traffic Control Centers Prinzo, O. V.; Hendrix, Alfred M.; Hendrix, Ruby In: DTIC (2008) BASE Show details 94 Iterated Class-Specific Subspaces for Speaker-Dependent Phoneme Classification Baggenstoss, Paul M. In: DTIC (2008) BASE Show details 95 Listener Detection of Talker Stress in Low-Rate Coded Speech Voran, Stephen In: DTIC (2008) BASE Show details 96 Spatial Hearing, Attention and Informational Masking in Speech Identification Kidd, Jr., Gerald; Durlach, Nathaniel; Brungart, Douglas In: DTIC (2008) BASE Show details 97 Entropy Based Classifier Combination for Sentence Segmentation Magimai-Doss, M.; Hakkani-Tur, D.; Cetin, O.... In: DTIC (2007) BASE Show details 98 Experimental Tuning of the AIFSN Parameter to Prioritize Voice Over Data Transmission in 802.11E WLAN Networks Narbutt, Miroslaw; Davis, Mark In: Conference papers (2007) BASE Show details 99 A Model for Predicting Intelligibility of Binaurally Perceived Speech Scharine, Angelique A.; Henry, Paula P.; Rao, Mohan D.... In: DTIC (2007) BASE Show details 100 Linking Semantic and Knowledge Representations in a Multi-Domain Dialogue System Dzikovska, Myroslave O.; Allen, James F.; Swift, Mary D. In: DTIC (2007) BASE Show details Page: 1 2 3 4 5 6 7 8 9...42

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