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Lecture 9 Speaker_Identification 1

Lecture 9 Speaker_Identification 1 - LIN 4930 Introduction...

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LIN 4930 Introduction to Speaker Identification
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Introduction Speaker Recognition (General Term) Speaker Verification (SV) When a speaker wants to the identified Speech samples are collected under: » Control of recording equipment » Control of speech sample » Closed set of possible speakers
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Introduction Speaker Recognition (General Term) Speaker Identification (SPID) When an unknown speaker needs to be identified from an evidence recording through comparison with an exemplar recording Evidence recordings are subject to: » Talker and Channel distortions Exemplar recordings are (ideally) subject to only talker distortions Open set identification problem in principle
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Coping with SPID problems The open set problem, or the population of possible identities, can be reduced through consideration of: Gender Age Language/dialect Voice quality Suspect list
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SPID Methods Aural-perceptual vs. acoustic analysis Aural-perceptual Earwitness lineups by laypersons or witnesses Formal protocols by specialists
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