java.lang.NoSuchMethodError: com.musicg.wave.extension.Spectrogram.getSpectrogramData() about musicg

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I ran into a similar issue. The way I figured out how to move around it - at 
least until the issues is addressed - was to circumvent that particular call 
and do what the constructor was intended to do. 

After you create your Spectrogram instance, you need to create a double array, 
as that is what the GraphicRender is expecting when you are passing data using 
renderSpecrogramData.

For example:
Spectrogram spectrogram1 = new Spectrogram(audio1);
double [][] spec1Data = spectrogram1.getAbsoluteSpectrogramData();
GraphicRender render = new GraphicRender();
render.renderSpectrogramData(spec1Data, "spec1.jpg");

That got me the spectrogram that I was looking for.

Original comment by [email protected] on 9 Nov 2012 at 1:59