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Leveraging speaker attribute information using multi task learning for speaker verification and diarization

2020-10-27 13:10:51
Chau Luu, Peter Bell, Steve Renals
arXiv_SD
       
Abstract

Deep speaker embeddings have become the leading method for encoding speaker identity in speaker recognition tasks. The embedding space should ideally capture the variations between all possible speakers, encoding the multiple aspects that make up speaker identity. In this work, utilizing speaker age as an auxiliary variable in US Supreme Court recordings and speaker nationality with VoxCeleb, we show that by leveraging additional speaker attribute information in a multi task learning setting, deep speaker embedding performance can be increased for verification and diarization tasks, achieving a relative improvement of 17.8% in DER and 8.9% in EER for Supreme Court audio compared to omitting the auxiliary task. Experimental code has been made publicly available.

Abstract (translated)

URL

https://arxiv.org/abs/2010.14269

PDF

https://arxiv.org/pdf/2010.14269.pdf

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