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Investigation of the impact of high frequency transmitted speech on speaker recognition
(Stellenbosch : Stellenbosch University, 2002-04)
ENGLISH ABSTRACT: Speaker recognition systems have evolved to a point where near perfect performance can be
obtained under ideal conditions, even if the system must distinguish between a large number
of speakers. Under ...
Phonene-based topic spotting on the switchboard corpus
(Stellenbosch : Stellenbosch University, 2002-04)
ENGLISH ABSTRACT: The field of topic spotting in conversational speech deals with the problem of identifying
"interesting" conversations or speech extracts contained within large volumes of speech
data. Typical applications ...
Analysis and implementation of the speaker adaptation techniques : MAP, MLLR, and MLED
(Stellenbosch : Stellenbosch University, 2002-12)
ENGLISH ABSTRACT: The topic of this thesis is speaker adaptation, whereby speaker-independent speech models
are adapted to more closely match individual speakers by utilising a small amount of
data from the targeted ...