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- W4287705025 abstract "Most state-of-the-art Deep Learning systems for speaker verification are based on speaker embedding extractors. These architectures are commonly composed of a feature extractor front-end together with a pooling layer to encode variable-length utterances into fixed-length speaker vectors. In this paper we present Double Multi-Head Attention pooling, which extends our previous approach based on Self Multi-Head Attention. An additional self attention layer is added to the pooling layer that summarizes the context vectors produced by Multi-Head Attention into a unique speaker representation. This method enhances the pooling mechanism by giving weights to the information captured for each head and it results in creating more discriminative speaker embeddings. We have evaluated our approach with the VoxCeleb2 dataset. Our results show 6.09% and 5.23% relative improvement in terms of EER compared to Self Attention pooling and Self Multi-Head Attention, respectively. According to the obtained results, Double Multi-Head Attention has shown to be an excellent approach to efficiently select the most relevant features captured by the CNN-based front-ends from the speech signal." @default.
- W4287705025 created "2022-07-26" @default.
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- W4287705025 date "2020-07-26" @default.
- W4287705025 modified "2023-09-29" @default.
- W4287705025 title "Double Multi-Head Attention for Speaker Verification" @default.
- W4287705025 doi "https://doi.org/10.48550/arxiv.2007.13199" @default.
- W4287705025 hasPublicationYear "2020" @default.
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