arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2508.01034eess.AS
收藏

基于多头注意力的调制谱与自监督学习融合用于伪造语音检测

Fusion of Modulation Spectrogram and SSL with Multi-head Attention for Fake Speech Detection

Rishith Sadashiv T N, Abhishek Bedge, Saisha Suresh Bore, Jagabandhu Mishra, Mrinmoy Bhattacharjee, S R Mahadeva Prasanna

AI总结:

针对伪造语音检测系统域泛化能力差的问题,提出融合自监督学习(SSL)语音嵌入与调制谱(MS)特征的新表示,结合AASIST后端网络,在单语及多语数据集上实现性能提升,增强域泛化能力。

摘要:

伪造语音检测系统已成为对抗语音深度伪造的必需品。由于缺乏多样化的训练数据,当前系统对域外语音样本的泛化能力较差。本文尝试通过使用自监督学习(SSL)语音嵌入和调制谱(MS)特征提出一种新的语音表示来解决域泛化问题。我们采用融合策略结合这两种语音表示,为分类任务引入新的前端。所提出的SSL+MS融合表示被传递到AASIST后端网络。我们在单语和多语伪造语音数据集上进行实验,以评估所提出模型架构在跨数据集和多语情况下的有效性。与基线相比,所提出模型在域内设置下的ASVspoof 2019和MLAAD数据集上分别实现了37%和20%的相对性能提升。在域外场景中,在ASVspoof 2019上训练的模型在MLAAD数据集上评估时显示出36%的相对提升。在所有评估的语言中,所提出模型始终优于基线,表明域泛化能力得到增强。

英文摘要:

Fake speech detection systems have become a necessity to combat against speech deepfakes. Current systems exhibit poor generalizability on out-of-domain speech samples due to lack to diverse training data. In this paper, we attempt to address domain generalization issue by proposing a novel speech representation using self-supervised (SSL) speech embeddings and the Modulation Spectrogram (MS) feature. A fusion strategy is used to combine both speech representations to introduce a new front-end for the classification task. The proposed SSL+MS fusion representation is passed to the AASIST back-end network. Experiments are conducted on monolingual and multilingual fake speech datasets to evaluate the efficacy of the proposed model architecture in cross-dataset and multilingual cases. The proposed model achieves a relative performance improvement of 37% and 20% on the ASVspoof 2019 and MLAAD datasets, respectively, in in-domain settings compared to the baseline. In the out-of-domain scenario, the model trained on ASVspoof 2019 shows a 36% relative improvement when evaluated on the MLAAD dataset. Across all evaluated languages, the proposed model consistently outperforms the baseline, indicating enhanced domain generalization.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑