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Optimizing speaker recognition using d-vector and x-vector speech embeddings and deep learning

Author(s)
KEVIN KURNIAWAN Computer Science Department, BINUS Graduate Program - Master of Computer Science, Bina Nusantara University, Jakarta, Indonesia
AMALIA ZAHRA Computer Science Department, BINUS Graduate Program - Master of Computer Science, Bina Nusantara University, Jakarta, Indonesia
Abstract
In speaker recognition, a way to identify individual's identity is to identify the characteristics of the individual voice, which can be identified using speaker's speech embedding. In this paper, we propose a method using x-vector and d-vector speech embedding feature extraction and ResNet50 model on identifying user's identity. This paper uses part of VoxCeleb2 dataset with total train data of 12.207 utterances, total validation data of 3.618 utterances, and total testing data of 2.068 utterances from 552 speakers. Research done in this paper shows ResNet50 model with x-vector achieved accuracy, recall, precision, and f-1 score of 74.12%, 73.42%, 78.02%, and 0.72 respectively, whereas ResNet50 model with d-vector achieved accuracy, recall, precision, and f-1 score of 36.17%, 35.77%, 36.86%, and 0.32 respectively, whereas the current state-of-theart model achieved accuracy, recall, precision, and f-1 score of 10.97%, 10.61%, 6.64%, and 0.07 respectively.
Publication Details
Page(s) 5583-5590
DOI DOI not available
Published Journal: Journal of Theoretical and Applied Information Technology, Volume: 100, Issue: 17, Year: 2022

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Keywords
X-Vector Speech Embeddings, D-Vector Speech Embeddings, Text Independent Speaker Recognition, ResNet50 Model, MFCC, Speaker Recognition
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