How AntiFake can Protect your Voice from Deepfake AI

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In a world where technology continually evolves, the rise of deepfake AI poses a significant threat to our digital identities. Deepfake technology has rapidly advanced, enabling the creation of realistic-looking videos and audio recordings that can deceive even the most discerning eyes and ears. While the implications of deepfakes for visual content are widely discussed, the potential dangers of manipulated audio, particularly in replicating someone’s voice, are equally concerning.

Imagine your voice being replicated to say things you’ve never uttered, leading to misinformation, reputation damage, or worse. This is where AntiFake emerges as a beacon of defense in the battle against voice manipulation through deepfake AI. In this Article, we will tell you how to protect your voice from deepfake AI using AntiFake.

What is Deepfake AI and AntiFake?


Deepfake is a term that refers to the use of artificial intelligence (AI) to create realistic but fake audio or video content, such as making someone say or do something that they never did. One of the most dangerous applications of deepfake is voice impersonation, which can be used to deceive, manipulate, or harm people for various purposes. For example, a deepfake voice could be used to trick someone into sending money, to spread false information, or to bypass voice authentication systems.

However, there is a new tool that can help you protect your voice from being deepfaked by unauthorized speech synthesis systems. Enter AntiFake, a cutting-edge tool developed by Ning Zhang, an assistant professor of computer science and engineering at Washington University in St. Louis, in collaboration with graduate student Zhiyuan Yu. It is a novel defense mechanism that uses adversarial AI techniques to prevent the synthesis of deceptive speech by making it more difficult for AI tools to read necessary characteristics from voice recordings.

How does AntiFake work?

AntiFake works by modifying the original voice recording in a subtle way that is imperceptible to human listeners, but significantly alters the features that are essential for speech synthesis. AntiFake uses a technique called adversarial perturbation, which adds a small amount of noise or distortion to the audio signal, such that it fools the AI models that try to learn from it. By doing so, AntiFake makes sure that even if a deepfake voice is created from the modified recording, it will not sound anything like the original speaker’s voice.

Unlike other methods that spot fake audio after it’s made, AntiFake stops fake voices before they’re even created. It’s like a proactive shield. It is also designed to be generalizable and effective against various types of speech synthesis models, even those that are unknown or unseen by the tool. It has been tested against five state-of-the-art speech synthesizers, and achieved a protection rate of over 95%. They also tested AntiFake’s usability with 24 human participants and confirmed that the tool did not affect the qualit of the voice recordings.

How can you use AntiFake?

AntiFake is a software tool that can be easily integrated into any voice recording or sharing platform, such as social media, podcasts, or voice messages. AntiFake can also be used as a standalone application that allows users to modify their own voice recordings before uploading or sending them to others. AntiFake is freely available to anyone who wants to use it.

“AntiFake makes sure that when we put voice data out there, it’s hard for criminals to use that information to synthesize our voices and impersonate us,” Zhang said. “The tool uses a technique of adversarial AI that was originally part of the cybercriminals’ toolbox, but now we’re using it to defend against them. We mess up the recorded audio signal just a little bit, distort or perturb it just enough that it still sounds right to human listeners, but it’s completely different to AI.”s.


  • Adversarial Perturbation: Employs a technique that introduces slight alterations to voice recordings, disrupting crucial characteristics necessary for speech synthesis. This modification is undetectable to human ears but significantly hampers AI models attempting to mimic the voice accurately.
  • Proactive Defense: Unlike conventional deepfake detection methods that identify fake audio after its creation, it takes a proactive approach. It prevents the creation of deceptive speech by modifying the original recording before it can be misused.
  • Generalizability and Robustness: Designed to be versatile and resilient against various types of speech synthesis models, even those that are unknown or unseen. It has been tested against multiple state-of-the-art speech synthesizers, exhibiting a high success rate in protecting against voice impersonation.
  • Integration Flexibility: This software tool can seamlessly integrate into different platforms where voice recordings are utilized, including social media, podcasts, messaging apps, and more.
  • Accessibility: Freely available to anyone seeking to protect their voice from malicious use. You can download the code from [GitHub], and follow the instructions to install and run the tool on your computer.
  • Efficacy Against Misuse: By employing AntiFake, individuals can ensure that their voice recordings serve only their intended purposes, mitigating risks associated with impersonation, fraud, or misinformation.

Why Do We Need AntiFake?

We need AntiFake because deepfake AI is a serious threat to our voice identity and security. Deepfake AI can create realistic fake audio or video of anyone by using their voice or face data. This can be used for malicious purposes such as impersonation, fraud, blackmail, or misinformation. For example, a deepfake voice could be used to trick someone into sending money, to spread false information, or to bypass voice-based security systems .

AntiFake can help us protect our voice from being deepfaked by unauthorized speech synthesis. By using it, we can ensure that our voice is not misused or manipulated by malicious actors, and that our identity and privacy are preserved. It is a valuable contribution to the ongoing fight against disinformation and cybercrime, and a demonstration of how AI can be used for good.

Frequently Asked Questions

Is AntiFake difficult to use?

Not at all. AntiFake provides a user-friendly interface where users can upload their voice recordings and select the speech synthesizer model they want to defend against.

Does AntiFake modify the content of the voice recordings?

No, AntiFake maintains the content and duration of the original recordings.

Is AntiFake available for free, or is it a paid service?

AntiFake is freely available for download. Its code can be accessed and implemented by anyone seeking to protect their voice recordings from potential misuse.


In this article, we have discussed how deepfake AI can create realistic but fake voice recordings of anyone, and how this poses a serious threat to our privacy and security. We have also introduced AntiFake, a new service that can help you protect your voice from being misused by deepfake AI. AntiFake uses voice biometrics and blockchain technology to verify the authenticity and ownership of your voice.

By using AntiFake, you can create a digital signature for your voice and attach it to any audio file you produce. This way, you can prove that the voice is yours and not a deepfake. Currently, AntiFake can protect short clips of speech, taking aim at the most common type of voice impersonation. But, Zhang says, there’s nothing to stop this tool from being expanded to protect longer recordings, or even music, in the ongoing fight against disinformation.

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