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- W4384263424 abstract "Verifying the integrity of voice recording evidence for criminal investigations is an integral part of an audio forensic analyst's work. Here, one focus is on detecting deletion or insertion operations, so called audio splicing. While this is a rather easy approach to alter spoken statements, careful editing can yield quite convincing results. For difficult cases or big amounts of data, automated tools can support in detecting potential editing locations. To this end, several analytical and deep learning methods have been proposed by now. Still, few address unconstrained splicing scenarios as expected in practice. With SigPointer, we propose a pointer network framework for continuous input that uncovers splice locations naturally and more efficiently than existing works. Extensive experiments on forensically challenging data like strongly compressed and noisy signals quantify the benefit of the pointer mechanism with performance increases between about 6 to 10 percentage points." @default.
- W4384263424 created "2023-07-14" @default.
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- W4384263424 date "2023-07-11" @default.
- W4384263424 modified "2023-09-26" @default.
- W4384263424 title "Point to the Hidden: Exposing Speech Audio Splicing via Signal Pointer Nets" @default.
- W4384263424 doi "https://doi.org/10.48550/arxiv.2307.05641" @default.
- W4384263424 hasPublicationYear "2023" @default.
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