Fault identification using the emitted mechanical noise is becoming an attractive field of research in a variety of industries. It is essential to rank acoustic feature integration functions on their efficiency to classify different types of sound for conducting a fault diagnosis. The Mel frequency cepstral coefficient (MFCC) method was used to obtain various acoustic feature sets in the current study. MFCCs represent the audio signal power spectrum and capture the timbral information of sounds. The objective of this study is to introduce a method for the selection of statistical indicators to integrate the MFCC feature sets. Two purpose-built audio datasets for squeak and rattle were created for the study. Data were collected experimentally to investigate the feature sets of 256 recordings from 8 different rattle classes and 144 recordings from 12 different squeak classes. The support vector machine method was used to evaluate the classifier accuracy with individual feature sets. The outcome of this study shows the best performing statistical feature sets for the squeak and rattle audio datasets. The method discussed in this pilot study is to be adapted to the development of a vehicle faulty sound recognition algorithm.
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July 2021
July 09 2021
Mel frequency cepstral coefficient temporal feature integration for classifying squeak and rattle noisea)
Special Collection:
Machine Learning in Acoustics
Asith Abeysinghe
;
Asith Abeysinghe
b)
1
School of Engineering, Royal Melbourne Institute of Technology
, Melbourne, Australia
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Mohammad Fard
;
Mohammad Fard
c)
1
School of Engineering, Royal Melbourne Institute of Technology
, Melbourne, Australia
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Reza Jazar
;
Reza Jazar
d)
1
School of Engineering, Royal Melbourne Institute of Technology
, Melbourne, Australia
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Fabio Zambetta
;
Fabio Zambetta
e)
2
School of Science, Royal Melbourne Institute of Technology
, Melbourne, Australia
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J. Acoust. Soc. Am. 150, 193–201 (2021)
Article history
Received:
October 09 2020
Accepted:
May 19 2021
Citation
Asith Abeysinghe, Mohammad Fard, Reza Jazar, Fabio Zambetta, John Davy; Mel frequency cepstral coefficient temporal feature integration for classifying squeak and rattle noise. J. Acoust. Soc. Am. 1 July 2021; 150 (1): 193–201. https://doi.org/10.1121/10.0005201
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