Sökning: "impersonation"

Hittade 2 avhandlingar innehållade ordet impersonation.

  1. 1. Voice Imitation : A Phonetic Study of Perceptual Illusions and Acoustic Success

    Författare :Elisabeth Zetterholm; Allmän språkvetenskap; []
    Nyckelord :HUMANIORA; HUMANITIES; impersonation; Voice and speech imitation; target voice; individual voice; pitch register; voice quality; prosody; semantic information; phonology; dialect; articulatory timing; speech style; Phonetics; Fonetik; fonologi;

    Sammanfattning : This thesis is about voice imitations, more specifically impersonation. Questions are raised about the uniqueness of a person’s voice and speech behaviour and if it is possible to get close to another speaker’s voice and speech. Four main research questions are investigated in different studies. LÄS MER

  3. 2. Performance Guarantees for Physical Layer Authentication in Mission-Critical Communications

    Författare :Henrik Forssell; Ragnar Thobaben; Stefano Tomasin; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Physical layer authentication; mission-critical communica- tions; worst-case performance; queueing delay performance; stochastic net- work calculus; optimal attack strategies.; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : As the application areas for wireless communications are expanding, we also see new security vulnerabilities arise due to the open nature of the wire- less medium. One particularly challenging problem is how to guarantee the security of emerging mission-critical communications, e.g. LÄS MER