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arXiv · 2308.11241

An Effective Transformer-based Contextual Model and Temporal Gate Pooling for Speaker Identification

Harunori Kawano·Sota Shimizu
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Abstract

Wav2vec2 has achieved success in applying Transformer architecture and self-supervised learning to speech recognition. Recently, these have come to be used not only for speech recognition but also for the entire speech processing. This paper introduces an effective end-to-end speaker identification model applied Transformer-based contextual model. We explored the relationship between the hyper-parameters and the performance in order to discern the structure of an effective model. Furthermore, we propose a pooling method, Temporal Gate Pooling, with powerful learning ability for speaker identification. We applied Conformer as encoder and BEST-RQ for pre-training and conducted an evaluation utilizing the speaker identification of VoxCeleb1. The proposed method has achieved an accuracy of 87.1% with 28.5M parameters, demonstrating comparable precision to wav2vec2 with 317.7M parameters. Code is available at https://github.com/HarunoriKawano/speaker-identification-with-tgp.

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Harunori Kawano, Sota Shimizu. 2023-08-22. An Effective Transformer-based Contextual Model and Temporal Gate Pooling for Speaker Identification. https://arxiv.org/abs/2308.11241

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