According to IT Home, the Pudong New Area People's Court in Shanghai recently rendered judgment on Shanghai’s first unfair competition case involving AI voice impersonation. In 2025, miHoYo discovered an unauthorized AI voice-changing software that used voice resource packs from 63 characters of Genshin Impact for users to pay for voice transformation, training the AI model using only one minute of character audio mixed with other materials. Forensic voiceprint identification concluded that the synthesized voice was "likely identical" to the original character voices. The court ultimately ordered the defendant to immediately cease the infringing activities and pay miHoYo 750,000 yuan in compensation. Additionally, on September 7, the Supreme People’s Court issued its first judicial guidelines on AI-related rulings, explicitly stating that using a natural person’s voice to train AI models without their consent constitutes infringement, eliminating the legal gray area surrounding AI "voice theft."
Mihoyo Wins 750,000 RMB in AI Voice Imitation Case for Genshin Impact
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Summary
Mihoyo was awarded 750,000 RMB in a case involving AI voice imitation for Genshin Impact. The Pudong New Area People’s Court ruled that an unauthorized AI model used 63 character voices, trained with just one minute of audio. The court ordered the defendant to cease the infringement. On September 7, the Supreme People’s Court issued guidelines on AI, clarifying that using voices without consent is illegal. These developments align with global regulatory efforts such as MiCA and CFT.
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