boblsturm@0: function decibelSliderReleaseCallback(src,callbackdata)
boblsturm@0: 
boblsturm@0: handles = guidata(src);
boblsturm@0: maxDB = get(handles.slider4, 'Value');
boblsturm@0: handles.SynthesisObject.NNMFSynthesis.showActivations(handles.SynthesisObject, maxDb);