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| <center><big>Latest version of this article can be found in [https://stop-synthetic-filth.org/wiki/Synthetic_human-like_fakes#Digital_sound-alikes '''Synthetic human-like fakes''' § '''Digital sound-alikes''' at the stop-synthetic-filth.org wiki]</big></center>
| | When it cannot be determined by human testing, is some synthesized recording a simulation of some person's speech, or is it a recording made of that person's actual real voice, it is a '''digital sound-alike'''. |
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| When it cannot be determined by human testing whether some fake voice is a synthetic fake of some person's voice, or is it an actual recording made of that person's actual real voice, it is a '''digital sound-alike'''. | |
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| Living people can defend¹ themselves against digital sound-alike by denying the things the digital sound-alike says if they are presented to the target, but dead people cannot. Digital sound-alikes offer criminals new disinformation attack vectors and wreak havoc on provability. | | Living people can defend¹ themselves against digital sound-alike by denying the things the digital sound-alike says if they are presented to the target, but dead people cannot. Digital sound-alikes offer criminals new disinformation attack vectors and wreak havoc on provability. |
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| [[File:Spectrogram-19thC.png|thumb|right|640px|A [[w:spectrogram|spectrogram]] of a male voice saying 'nineteenth century']]
| | == Example of a digital sound-alike attack == |
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| == Timeline of digital sound-alikes ==
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| * In '''2016''' [[w:Adobe Inc.]]'s [[w:Adobe Voco|Voco]], an unreleased prototype, was publicly demonstrated in 2016. ([https://www.youtube.com/watch?v=I3l4XLZ59iw&t=5s View and listen to Adobe MAX 2016 presentation of Voco])
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| * In '''2016''' [[w:DeepMind]]'s [[w:WaveNet]] owned by [[w:Google]] also demonstrated ability to steal people's voices
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| * In '''2018''' [[w:Conference on Neural Information Processing Systems|Conference on Neural Information Processing Systems]] the work [http://papers.nips.cc/paper/7700-transfer-learning-from-speaker-verification-to-multispeaker-text-to-speech-synthesis 'Transfer Learning from Speaker Verification to Multispeaker Text-To-Speech Synthesis'] ([https://arxiv.org/abs/1806.04558 at arXiv.org]) was presented. The pre-trained model is able to steal voices from a sample of only '''5 seconds''' with almost convincing results
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| ** Listen [https://google.github.io/tacotron/publications/speaker_adaptation/ 'Audio samples from "Transfer Learning from Speaker Verification to Multispeaker Text-To-Speech Synthesis"']
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| ** View [https://www.youtube.com/watch?v=0sR1rU3gLzQ Video summary of the work at YouTube: 'This AI Clones Your Voice After Listening for 5 Seconds']
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| * As of '''2019''' Symantec research knows of 3 cases where digital sound-alike technology '''has been used for crimes'''.<ref name="WaPo2019">
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| https://www.washingtonpost.com/technology/2019/09/04/an-artificial-intelligence-first-voice-mimicking-software-reportedly-used-major-theft/</ref>
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| == Examples of speech synthesis software not quite able to fool a human yet ==
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| Some other contenders to create digital sound-alikes are though, as of 2019, their speech synthesis in most use scenarios does not yet fool a human because the results contain tell tale signs that give it away as a speech synthesizer.
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| * '''[https://lyrebird.ai/ Lyrebird.ai]''' [https://www.youtube.com/watch?v=xxDBlZu__Xk (listen)]
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| * '''[https://candyvoice.com/ CandyVoice.com]''' [https://candyvoice.com/demos/voice-conversion (test with your choice of text)]
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| * '''[https://cstr-edinburgh.github.io/merlin/ Merlin]''', a [[w:neural network]] based speech synthesis system by the Centre for Speech Technology Research at the [[w:University of Edinburgh]]
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| == Documented digital sound-alike attacks ==
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| * [https://www.washingtonpost.com/technology/2019/09/04/an-artificial-intelligence-first-voice-mimicking-software-reportedly-used-major-theft/?noredirect=on 'An artificial-intelligence first: Voice-mimicking software reportedly used in a major theft'], a 2019 Washington Post article
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| == Example of a hypothetical digital sound-alike attack == | |
| A very simple example of a digital sound-alike attack is as follows: | | A very simple example of a digital sound-alike attack is as follows: |
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| # Victim #4 - Our judiciary which prosecutes and possibly convicts the innocent victim #1. | | # Victim #4 - Our judiciary which prosecutes and possibly convicts the innocent victim #1. |
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| Thus it is high time to act and to '''[[Law proposals to ban covert modeling|criminalize the covert modeling of human appearance and voice!]]''' | | Thus it is high time to act and to '''[[Law proposals to ban covert modeling|criminalize the covert modeling of human appearance and voice]]!''' |
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| | == Examples of software capable to make a digital sound-alikes == |
| | * [[w:Adobe Inc.]]'s [[w:Adobe Voco|Voco]] unreleased prototype publicly demonstrated in 2016. ([https://www.youtube.com/watch?v=I3l4XLZ59iw&t=5s View and listen to Adobe MAX 2016 presentation of Voco)] |
| | * [[w:DeepMind]]'s [[w:WaveNet]] that was acquired by [[w:Google]] in 2014 |
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| | Neither of these software are available to the masses at large according to the "official truth", but as is known software has a high tendency to get pirated very quickly. |
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| * [[Digital look-alikes]] | | * [[Digital look-alikes]] |
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| | == See also in Wikipedia == |
| | * [[w:Speech synthesis]] |
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| Footnote 1. Whether a suspect can defend against faked synthetic speech that sounds like him/her depends on how up-to-date the judiciary is. If no information and instructions about digital sound-alikes have been given to the judiciary, they likely will not believe the defense of denying that the recording is of the suspect's voice. | | Footnote 1. Whether a suspect can defend against faked synthetic speech that sounds like him/her depends on how up-to-date the judiciary is. If no information and instructions about digital sound-alikes have been given to the judiciary, they likely will not believe the defense of denying that the recording is of the suspect's voice. |
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| = Transcluded Wikipedia articles =
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| == Speech synthesis article transcluded from Wikipedia ==
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| {{wikipedia::speech synthesis}}
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