Abstract
Speaker verification performance in neutral talking environment is usually high, while it is sharply decreased in emotional talking environments. This performance degradation in emotional environments is due to the problem of mismatch between training in neutral environment while testing in emotional environments. In this work, a three-stage speaker verification architecture has been proposed to enhance speaker verification performance in emotional environments. This architecture is comprised of three cascaded stages: gender identification stage followed by an emotion identification stage followed by a speaker verification stage. The proposed framework has been evaluated on two distinct and independent emotional speech datasets: in-house dataset and “Emotional Prosody Speech and Transcripts” dataset. Our results show that speaker verification based on both gender information and emotion information is superior to each of speaker verification based on gender information only, emotion information only, and neither gender information nor emotion information. The attained average speaker verification performance based on the proposed framework is very alike to that attained in subjective assessment by human listeners.
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Acknowledgements
The authors of this work would like to thank “University of Sharjah” for funding their work through the competitive research projects entitled “Emotion Recognition in each of Stressful and Emotional Talking Environments Using Artificial Models”, No. 1602040348-P.
Funding
Ismail Shahin and Ali Bou Nassif would like to thank University of Sharjah for funding their work through the competitive research project entitled “Emotion Recognition in each of Stressful and Emotional Talking Environments Using Artificial Models”, No. 1602040348-P.
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Ismail Shahin wrote the paper, developed some of the used classifiers, and did some experiments. Ali Bou Nassif suggested using some classifiers, he performed some experiments, and he wrote the research questions. All authors read and approved the final manuscript.
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Shahin, I., Nassif, A.B. Three-stage speaker verification architecture in emotional talking environments. Int J Speech Technol 21, 915–930 (2018). https://doi.org/10.1007/s10772-018-9543-4
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DOI: https://doi.org/10.1007/s10772-018-9543-4