Analysis of Musical Instruments for Signal to Noise Ratio, Distortion and Retained Signal Energy using Wavelet Transform
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 7
Abstract
In Audio Compression there is an inevitable need to effectively decrease the file size of the sample without compromising the quality of the signal. The quality of a signal is observed by the analysis of important parameters such as Signal to Noise Ratio, Distortion and Energy which provides us the measurement of the undesirable sound in the given sample. This paper uses the upcoming technique of Discrete Wavelet Transform[1,6] to analyses the Signal to Noise Ratio, Distortion and Retained Signal Energy for various musical instruments like Tabla, Harmonium and Shehnai. These parameters are compared for the musical instruments on MATLAB 7.1 R2009 on an Intel i-5 processor based system.
Authors and Affiliations
Prakhar Mohan Mathur
Keywords
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