Author

Martin Perešíni

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Preprint Aug 2026

Tracking the Trend in How Speech Synthesizers Deceive People

Advances in speech synthesis have made deepfake audio highly realistic. Earlier studies reported 70-80% human detection accuracy, but relied primarily on older synthesizers. We compare human detection for three selected voice synthesis tools released in 2019, 2022, and 2024 with 82 IT professionals, and benchmark human...

Milan Salko, Anton Firc, Kamil Malinka et al. · 0 citations

Preprint Sep 2026

AlcaTRAz - Anchored Tree-Rule Defense Against Jailbreaks

AlcaTRAz (Anchored Tree-Rule defense Against jailbreaks), a prompt-level defense based on rule trees that operates exclusively on the input text and requires no modification or retraining of the target model, is proposed.

J. Res, Petr Kaska, Martin Perešíni et al. · 0 citations

Jul 2026

VQCSim: When Does Compile-Once Statevector Simulation Beat Generic Quantum Frameworks?

This work derives a hardware-aware regime map and releases vqcsim-oracle, an open-source backend selector with 91.1%-97.7% top-1 agreement (including cross-GPU transfers), enabling automatic simulator selection in QML design loops.

Anton Firc, Martin Perešíni, Vojtěch Mrázek et al. · arXiv.org · 0 citations