Open AccessAdaptive Algorithms for Signature Wavelet recognition in the Musical Sounds
Author(s) -
M. Duraipandian
Publication year - 2020
Publication title -
journal of soft computing paradigm
Language(s) - English
Resource type - Journals
ISSN - 2582-2640
DOI - 10.36548/jscp.2020.2.005
Subject(s) - wavelet , algorithm , mathematics , filter (signal processing) , cascade algorithm , speech recognition , pattern recognition (psychology) , signature (topology) , recursive least squares filter , feature (linguistics) , filter bank , computer science , least mean squares filter , adaptive filter , square (algebra) , wavelet transform , wavelet packet decomposition , artificial intelligence , computer vision , linguistics , philosophy , geometry
The scaling and as well as the wavelet-functions of the wavelet is detected engaging the wavelet-filters that are empowered with the filter-bank principle that is utilized in recognizing the rough calculation and the feature co-efficient of the wavelet-filter. The coefficients recognized by the filter-bank for the musical sounds produced by the musical-instruments enables one to have a signature-wavelet of the sound signal. The signature-wavelet renovates the actual musical signal with insignificant disturbance. In order to recognize the factors (coefficients) the paper employs the least mean square (L-MS), normalized least means square (NL-MS), recursive least square (R-LS) and the QR-Recursive least square (QR-RLS). Among the above four the R-LS and the QR-RLS performs well under all grounds. More over the algorithm converges swiftly compared to the other algorithm. Thus providing an accuracy and SOC (speed of convergence) improved scaling and wavelet-function recognition.