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- W4289830003 abstract "Privacy preservation methods for voice data are evolving day by day. A recent state-of-the-art voice privacy algorithm uses an x-vector and neural source-filter (NSF)- based anonymization approach that converts the original input voice into a pseudo speaker’s voice. The method uses an affinity propagation clustering (APC) algorithm to choose a pseudo speaker’s x-vector. Finding a set of distance measures for this clustering technique is important to get optimal anonymization. To that effect, in this paper, an attempt has been made to investigate the effect of six distance measures, namely, Euclidean, cosine, probabilistic linear discriminant analysis (PLDA), correlation, Manhattan, and Mahalanobis for voice privacy preservation using an x-vector-based anonymization system. This approach gave a 4.75% relative improvement in Equal Error Rate(EER) for original enrolls and anonymized trials. In addition, 11.49% relative improvement in EER is observed for anonymized enrolls and trials. Experimental results show that Mahalanobis and Pearson correlation coefficient-based distance are better choices for anonymization tasks. It provides better speaker de-identification and good speech intelligibility without increasing system complexity." @default.
- W4289830003 created "2022-08-05" @default.
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- W4289830003 date "2022-07-11" @default.
- W4289830003 modified "2023-10-16" @default.
- W4289830003 title "Significance of Distance Measures for Speaker Anonymization" @default.
- W4289830003 doi "https://doi.org/10.1109/spcom55316.2022.9840515" @default.
- W4289830003 hasPublicationYear "2022" @default.
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