NDLI: An auditory-based scene change detection in audio data

Content Provider	IEEE Xplore Digital Library
Author	Maka, T.
Copyright Year	2014
Description	Author affiliation: Fac. of Comput. Sci. & Inf. Technol., West Pomeranian Univ. of Technol., Szczecin, Poland (Maka, T.)
Abstract	The problem of auditory scene segmentation plays important role in many audio analysis and processing tasks. The accuracy and robustness of segmentation step have influence on the remaining stages in audio processing chain. In the work a dedicated system for segmentation of the audio stream is presented. The segmentation scheme uses Delta-BIC and metric-based techniques to determine the change-point in audio data. For this purpose a dedicated auditory feature has been proposed, which is based on the gammatone filter bank. The proposed feature (GTEAD) has been designed using inter-channel analysis of the auditory filter bank outputs. For each channel, the temporal envelope and its periodic self-similarities have been calculated. Then, the distances between obtained signals from the neighbouring channels have been computed resulting in the final feature vector. The performance of the GTEAD feature has been compared to the popular MFCC feature using database of audio streams with defined single change-point in each example. The obtained results show that GTEAD feature outperforms MFCC feature in terms of accuracy and the number of detected points.
Starting Page	1
Ending Page	4
File Size	410126
Page Count	4
File Format	PDF
ISBN	9781479970094
DOI	10.1109/ICSES.2014.6948723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-11
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accuracy Databases Computational modeling Feature extraction Vectors Trajectory Mel frequency cepstral coefficient
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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