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Complete your application – Enter the rest of the information required for the IC Postdoc Program Research Opportunity. The application itself contains detailed instructions for each one of these components: availability, citizenship, transcripts, dissertation abstract, publication and presentation plan, and information about your Research Advisor co-applicant.
Additional information about the IC Postdoctoral Research Fellowship Program is available on the program website located at: https://orau.org/icpostdoc/.
If you have questions, send an email to ICPostdoc@orau.org. Please include the reference code for this opportunity in your email.
Research Topic Description, including Problem Statement:
Research into speech synthesis and voice conversion with generative adversarial networks poses both an unclear and significant security risk to automatic speaker verification systems. With the uptake in smart home devices, developing algorithms to protect against speaker spoofing attacks is becoming much more important. Voice is fast becoming the de-facto medium to accessing online secure services, with the obvious example being Internet banking. The speaker verification task becomes, “Did you produce this sample utterance, on said device A, at location B, and at time C?” The research posed is for the exploratory development of a complete closed loop automatic speaker verification system, capable of informing an operator usefully on the level of spoofing attack risk. Example spoofing attacks include:
Speech captured from a separate recording of the speaker, and used to synthesize apassword utterance.
Speech captured from a different person uttering the password, and converted to match the targetspeaker.
Example Approaches:
Approaches to address this problem could include, but are not limited to:
A classical direction would be to investigate different feature representations and classification or modelling techniques, to distinguish between spoofed and authentic speech utterances.
An alternate method is to consider the use of file meta-data.
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