Time Frequency analysis in matlab

Hi all I want to plot time frequency analysis using matlab. I have computed the wavelet coefficients of 1-D audio signal using wavedec. Now I want to plot the coefficient in a way to give the analysis of time frequency in that signal. Can anyone help me in this regard.??
Thanks in anticipation

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Preguntada:

el 4 de Mayo de 2015

Cerrada:

el 20 de Ag. de 2021

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