no code implementations • 23 Mar 2025 • Emma Coletta, Davide Salvi, Viola Negroni, Daniele Ugo Leonzio, Paolo Bestagini
The rise of AI-driven generative models has enabled the creation of highly realistic speech deepfakes - synthetic audio signals that can imitate target speakers' voices - raising critical security concerns.
no code implementations • 24 Sep 2024 • Viola Negroni, Davide Salvi, Alessandro Ilic Mezza, Paolo Bestagini, Stefano Tubaro
In this paper, we introduce a novel approach for enhancing speech deepfake detection performance using a Mixture of Experts architecture.
no code implementations • 25 Aug 2024 • Viola Negroni, Davide Salvi, Paolo Bestagini, Stefano Tubaro
We analyze spliced audio tracks resulting from signal concatenation, investigate their artifacts and assess whether such artifacts introduce any bias in existing datasets.
no code implementations • 1 Aug 2024 • Irene Amerini, Mauro Barni, Sebastiano Battiato, Paolo Bestagini, Giulia Boato, Tania Sari Bonaventura, Vittoria Bruni, Roberto Caldelli, Francesco De Natale, Rocco De Nicola, Luca Guarnera, Sara Mandelli, Gian Luca Marcialis, Marco Micheletto, Andrea Montibeller, Giulia Orru', Alessandro Ortis, Pericle Perazzo, Giovanni Puglisi, Davide Salvi, Stefano Tubaro, Claudia Melis Tonti, massimo villari, Domenico Vitulano
AI-generated synthetic media, also called Deepfakes, have significantly influenced so many domains, from entertainment to cybersecurity.
1 code implementation • 17 Apr 2024 • Amit Kumar Singh Yadav, Kratika Bhagtani, Davide Salvi, Paolo Bestagini, Edward J. Delp
In this work, we examine bias in existing synthetic speech detectors to determine if they will unfairly target a particular gender, age and accent group.
no code implementations • 28 Jul 2023 • Daniele Mari, Davide Salvi, Paolo Bestagini, Simone Milani
Recent advances in deep learning and computer vision have made the synthesis and counterfeiting of multimedia content more accessible than ever, leading to possible threats and dangers from malicious users.
no code implementations • 31 Oct 2022 • Luigi Attorresi, Davide Salvi, Clara Borrelli, Paolo Bestagini, Stefano Tubaro
The rapid spread of media content synthesis technology and the potentially damaging impact of audio and video deepfakes on people's lives have raised the need to implement systems able to detect these forgeries automatically.
no code implementations • 14 Feb 2021 • Davide Salvi, Sebastian Gonzalez, Fabio Antonacci, Augusto Sarti
It allows us to both compute the vibrational behavior of an instrument from its geometry and optimize its shape for a given response.
no code implementations • 3 Feb 2021 • Sebastian Gonzalez, Davide Salvi, Daniel Baeza, Fabio Antonacci, Augusto Sarti
Of all the characteristics of a violin, those that concern its shape are probably the most important ones, as the violin maker has complete control over them.