AI-Generated Voices Now Indistinguisable from Real Human Voices

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Many people still think of ai-generated speech as sounding “fake” or unconvincing and easily told apart from human Voices. But new research from Queen Mary University of London Shows that Ai Voice Technology has said a stage where it can create “Voice clones” Recordings.

The work has been published in Plos one,

The Study Compared Real Human Voices With two different types of synthetic voices, generated using state-of-the-the-the-the-art ai voice synthesis tools. Some were “Cloned” from Voice Recordings of Real Humans, Intended to MIMIC A Them, and others WHERS WHERES WHEER GENERED FROM A Large Voice Model and did not have a specific human counterpart.

Participants were asked to evaloo Researchers also looks at whether ai-generated voices had become “Hyperreal,” Given that some studies have shown that ai-generated images of faces of faces are judged to be humans of Faces.

While the study did not find a “hyperrealism effect” from the AI ​​Voices, it did find that voice clones can sound as real as human Voices, Making it Dificult For Listinguish Betwane Theme. Both types of ai-generated voices were evaluated as more dominant than human voices, and some was also perceived as more trustworthy.

Dr. Nadine lavan, Senior Lecturer in Psychology at Queen Mary University of London Who Co-LED The Study, Said, “AI-Generated Voice are all AROND Us Us Now. We’ve all spokeen to alexa or siri, Had our calls taken by automated customer service systems.

“Things dons do’t quite sound like real human voices, but it was only a matter of time until ai technology began to Produce Naturalistic, SONDING SOPEECH. Come, and we urgently need to undertand how people perceive these realistic voices. “

Dr. Lavan Pointed Out How Easily and Quickly The Team Had Been Able to Create Clones, or Deepfakes, of Real Voices (With the Consent of their owners) using using commercially “The process required minimal Expertise, only a few minutes of voice recording, and almost no money,” She said. “It just shows how accessible and sophisticated ai voice technology has become.”

The pace of improvement has been very rapid, noted Dr. Lavan, and Carries Many Implications for Ethics, Copyright, and Security, Especially in Areas Like Misinformation, Fraud, and Impersonation.

“However, the ability to generate realistic voices at scale opens up exciting options,” She want on. “There might be applications for improved accessibility, education, and communication, where bespoke high-Qua-Quality Syntic Voices Can Enhance User Experience.”

More information:
Voice clones sound realistic but not (yet) hyperrealistic, Plos one (2025). Doi: 10.1371/journal.pone/0332692

Provided by Queen Mary, University of London


Citation: AI-Generated Voices Now Indistinguisable from Real Human Voices (2025, September 24) Retrieved 24 September 2025 from https://techxplore.com/news/2025-09-i-i- Generated- Voices- Indistinguisable- Real.html

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