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Ortega-Garcia J. Gonzalez-Rodriguez J. Cruz-Llanas S. 《Aerospace and Electronic Systems Magazine, IEEE》2000,15(11):27-32
Speaker recognition is a major task when security applications through speech input are needed. Nevertheless, speech variability is a main degradation factor in speaker recognition tasks. Both intra-speaker and external variability sources produce mismatch between training and testing phases. In this contribution, channel and inter-session variability are explored in order to accomplish real automatic systems for both commercial and forensic speaker recognition. Results are presented making use of "AHUMADA", a subset of "GAUDI" large speaker recognition-oriented database in Spanish. 相似文献
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Gonzalez-Rodriguez J. Ramos-Castro D. Torre Toledano D. Montero-Asenjo A. Gonzalez-Dominguez J. Lopez-Moreno I. Fierrez-Aguilar J. Garcia-Romero D. Ortega-Garcia J. 《Aerospace and Electronic Systems Magazine, IEEE》2007,22(1):15-21
Automatic speaker recognition systems have been largely dominated by acoustic-spectral-based systems, relying in proper modelling of the short-term vocal tract of speakers. However, there is scientific and intuitive evidence that speaker-specific information is embedded in the speech signal in multiple short- and long-term characteristics. In this work, a multilevel speaker recognition system combining acoustic, phonotactic, and prosodic subsystems is presented and assessed by blind submission to NIST 2005 Speaker Recognition Evaluation 相似文献
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