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VOXPROTECT - A Witness's voice is not protected
Unfortunately, nowadays, one of the necessary means of witness protection used in all news reports and criminal cases remains the voice modification by linear effects existing on the market, such as
These working methods date back to the analog era. Today, simple inverse functions are available on the internet. That research access to a signal's spectral representation, the equivalent of .
These methods have become and do
A protection flaw that few official services, especially the Justice, seem to know.
In concrete terms, if we take an example of spectral representation, the analysis before and after the pitch
No modification is observed. or other linear effects.
Based on this observation, which we are not the only ones to denounce*, after four years of research and development with specialized researchers and the support of RIAM, CNC, BPI, and INRIA, , a plug-in under the name .
, if we compare the original voice and the voice processed by , we can see that the signal has indeed undergone essential transformations, thus protecting the witness from a voice recognition by the analogy of signals.
by its innovative operating model.
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