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SynHate: Detecting Hate Speech in Synthetic Deepfake Audio

Published: June 7, 2025 | arXiv ID: 2506.06772v1

By: Rishabh Ranjan , Kishan Pipariya , Mayank Vatsa and more

Potential Business Impact:

Finds fake hate speech in any language.

Business Areas:
Speech Recognition Data and Analytics, Software

The rise of deepfake audio and hate speech, powered by advanced text-to-speech, threatens online safety. We present SynHate, the first multilingual dataset for detecting hate speech in synthetic audio, spanning 37 languages. SynHate uses a novel four-class scheme: Real-normal, Real-hate, Fake-normal, and Fake-hate. Built from MuTox and ADIMA datasets, it captures diverse hate speech patterns globally and in India. We evaluate five leading self-supervised models (Whisper-small/medium, XLS-R, AST, mHuBERT), finding notable performance differences by language, with Whisper-small performing best overall. Cross-dataset generalization remains a challenge. By releasing SynHate and baseline code, we aim to advance robust, culturally sensitive, and multilingual solutions against synthetic hate speech. The dataset is available at https://www.iab-rubric.org/resources.

Country of Origin
🇮🇳 India

Page Count
5 pages

Category
Computer Science:
Sound