Paper Info
Title
Effect of a Simulated Analogue Telephone Channel on the Performance of a Remote Automatic System for the Detection of Pathologies in Voice: Impact of Linear Distortions on Cepstrum-Based Assessment - Band Limitation, Frequency Response and Additive Noise
Abstract
Advances in speech signal analysis during the last decade have allowed the development of automatic algorithms for a non-invasive detection of laryngeal pathologies. Performance assessment of such techniques reveals that classification success rates over 90% are achievable. Bearing in mind the extension of these automatic methods to remote diagnosis scenarios, this paper analyses the performance of a pathology detector based on Mel Frequency Cepstral Coefficients when the speech signal has undergone the distortion of an analogue communications channel, namely the phone channel. Such channel is modeled as a concatenation of linear effects. It is shown that while the overall performance of the system is degraded, success rates in the range of 80% can still be achieved. This study also shows that the performance degradation is mainly due to band limitation and noise addition.
Year
DOI
Venue
2009
10.1007/978-3-642-11721-3_13
BIOMEDICAL ENGINEERING SYSTEMS AND TECHNOLOGIES
Keywords
Field
DocType
communication channels,signal analysis,mel frequency cepstral coefficient,frequency response
Signal processing,Mel-frequency cepstrum,Frequency response,Amplitude distortion,Computer science,Cepstrum,Communication channel,Speech recognition,Phase distortion,Distortion
Conference
Volume
ISSN
Citations 
52
1865-0929
0
PageRank 
References 
Authors
0.34
7
5
Name
Order
Citations
PageRank
Rubén Fraile15211.93
Nicolás Sáenz-Lechón217317.21
Juan Ignacio Godino-Llorente318230.35
Víctor Osma-Ruiz416417.26
corinne fredouille553744.53