Enhancing Partially Spoofed Audio Localization with Boundary-aware Attention Mechanism

Fuente: arXiv
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Main Authors: Zhong, Jiafeng, Li, Bin, Yi, Jiangyan
Format: Preprint
Published: 2024
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author Zhong, Jiafeng
Li, Bin
Yi, Jiangyan
author_facet Zhong, Jiafeng
Li, Bin
Yi, Jiangyan
contents The task of partially spoofed audio localization aims to accurately determine audio authenticity at a frame level. Although some works have achieved encouraging results, utilizing boundary information within a single model remains an unexplored research topic. In this work, we propose a novel method called Boundary-aware Attention Mechanism (BAM). Specifically, it consists of two core modules: Boundary Enhancement and Boundary Frame-wise Attention. The former assembles the intra-frame and inter-frame information to extract discriminative boundary features that are subsequently used for boundary position detection and authenticity decision, while the latter leverages boundary prediction results to explicitly control the feature interaction between frames, which achieves effective discrimination between real and fake frames. Experimental results on PartialSpoof database demonstrate our proposed method achieves the best performance. The code is available at https://github.com/media-sec-lab/BAM.
format Preprint
id arxiv_https___arxiv_org_abs_2407_21611
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Enhancing Partially Spoofed Audio Localization with Boundary-aware Attention Mechanism
Zhong, Jiafeng
Li, Bin
Yi, Jiangyan
Sound
Artificial Intelligence
Audio and Speech Processing
The task of partially spoofed audio localization aims to accurately determine audio authenticity at a frame level. Although some works have achieved encouraging results, utilizing boundary information within a single model remains an unexplored research topic. In this work, we propose a novel method called Boundary-aware Attention Mechanism (BAM). Specifically, it consists of two core modules: Boundary Enhancement and Boundary Frame-wise Attention. The former assembles the intra-frame and inter-frame information to extract discriminative boundary features that are subsequently used for boundary position detection and authenticity decision, while the latter leverages boundary prediction results to explicitly control the feature interaction between frames, which achieves effective discrimination between real and fake frames. Experimental results on PartialSpoof database demonstrate our proposed method achieves the best performance. The code is available at https://github.com/media-sec-lab/BAM.
title Enhancing Partially Spoofed Audio Localization with Boundary-aware Attention Mechanism
topic Sound
Artificial Intelligence
Audio and Speech Processing
url https://arxiv.org/abs/2407.21611