Title
Mixture Linear Prediction in Speaker Verification Under Vocal Effort Mismatch
Abstract
This paper describes an approach to robust signal analysis using iterative parameter re-estimation of a mixture autoregressive (AR) model. The model's focus can be adjusted by initialization of the target and non-target states. The variant examined in this study uses an i.i.d. mixture AR model and is designed to tackle the spectral biasing effect caused by the voice excitation in speech signals with variable fundamental frequency. In our speaker verification experiments, this method performed competitively against standard spectrum analysis techniques in non-mismatch conditions and showed significant improvements in vocal effort mismatch conditions.
Year
DOI
Venue
2014
10.1109/LSP.2014.2339632
Signal Processing Letters, IEEE  
Keywords
DocType
Volume
iterative methods,speaker recognition,AR model,iterative parameter re-estimation,mixture autoregressive model,mixture linear prediction in speaker verification,robust signal analysis,spectral biasing effect,speech signals,variable fundamental frequency,vocal effort mismatch,voice excitation,Robust acoustic features,speaker recognition,spectrum analysis,speech feature extraction
Journal
21
Issue
ISSN
Citations 
12
1070-9908
0
PageRank 
References 
Authors
0.34
0
4
Name
Order
Citations
PageRank
Jouni Pohjalainen110.68
Cemal Hanilçi200.34
Tomi Kinnunen3132386.67
Paavo Alku472898.07