Entropy shows: is it real speech, or a clone?

Authors

  • Terese Anderson University of Chicago, US Author
  • Grandon Goertz University of New Mexico, US Author
  • Evan Ashworth University of New Mexico, US Author

DOI:

https://doi.org/10.36505/ExLing-2024/15/0003/000628

Keywords:

Entropy, Cloned speech, Forensics, Formants, AI

Abstract

This is an exploratory study that compares the conditional entropy formant values of naturally spoken words to the conditional entropy formant values of cloned vowels. It was hypothesized that cloned vowel formants, F1, F2, and F3, would have measurable and distinct differences compared to the formants of natural speech. This study shows that there are indeed variations in the entropy of Artificial Intelligence (AI) cloned vowels. These differences would be useful for forensic analyses and for distinguishing natural speech from AI generated imitations.

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References

Botinis, A., Goertz, G., Kontostavlaki, A., Anderson, T. 2023. Vowel discrimination of American English. ExLing 2023 Athens: Proceedings 14th International Conference of Experimental Linguistics, October 13-16. Athens, Greece.

The MathWorks Inc. 2023. MATLAB version: 9.13.0 (R2022b), Natick, Massachusetts: The MathWorks Inc. https://www.mathworks.com.

Goodfellow, I., Bengio, Y., Courville, A. 2016. Deep Learning. Cambridge, Massachusetts: The MIT Press.

Haglund, J.F. Jeppsson, H. Strömdahl. 2010. Different Senses of Entropy – Implications for Education. Entropy 12, 490-515. Doi: 10.3390/e12030490.

Peng, H. 2022. Mutual Information computation. (www.mathworks.com/matlabcentral/fileexchange/14888-mutual-information-computation).

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Published

01-12-2024

How to Cite

Entropy shows: is it real speech, or a clone?. (2024). Linguistic Proceedings Series, 15, 17-20. https://doi.org/10.36505/ExLing-2024/15/0003/000628

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