A Multi-task Conformer for Spoofing Aware Speaker Verification
2022 IEEE Ninth International Conference on Communications and Electronics (ICCE)(2022)
摘要
Spoofing attacks conducted via logical methods such as voice synthesis and voice conversion could significantly degrade the performance of a speaker verification system. Many spoofing countermeasures have been proposed, but they are only trained separately from speaker verification systems. There are only a few efforts to design a single model capable of rejecting both utterances spoken by different speakers as well as spoofing utterances. Meanwhile, Conformer, a combination of Transformer and Convolution Neural Network, has shown remarkable success for automatic speech recognition, but its application in speaker verification and anti-spoofing systems has not yet been explored. In this work, we proposed a multitask Conformer with statistical pooling for both speaker verification and voice spoofing detection. Our system achieved a 70% relative SASV-EER improvement over baselines on the ASVspoof 2019 LA evaluation set.
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关键词
speaker verification,spoofing speaker detection,X-Vector,Conformer
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