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IEICE TRANSACTIONS on Information

Improvement of SVM-Based Speech/Music Classification Using Adaptive Kernel Technique

Chungsoo LIM, Joon-Hyuk CHANG

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Summary :

In this paper, we propose a way to improve the classification performance of support vector machines (SVMs), especially for speech and music frames within a selectable mode vocoder (SMV) framework. A myriad of techniques have been proposed for SVMs, and most of them are employed during the training phase of SVMs. Instead, the proposed algorithm is applied during the test phase and works with existing schemes. The proposed algorithm modifies a kernel parameter in the decision function of SVMs to alter SVM decisions for better classification accuracy based on the previous outputs of SVMs. Since speech and music frames exhibit strong inter-frame correlation, the outputs of SVMs can guide the kernel parameter modification. Our experimental results show that the proposed algorithm has the potential for adaptively tuning classifications of support vector machines for better performance.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.3 pp.888-891
Publication Date
2012/03/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.888
Type of Manuscript
LETTER
Category
Speech and Hearing

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