log layer/SpectrumLayer.h @ 617:0b9960f0f0bc qt5

age author description
2012-01-30 Chris Cannam Give a dedicated key to toggling the centre line, and move it out of the overlay level setting -- reducing number of overlay levels to 3. Introduce two distinct vertical scale types (so that we can hide the spectrogram colour scale part easily)
2011-07-06 mathieub Extends the audio feedback of the piano scale to the Spectrum layer (horizontal piano keyboard). sonification
2008-02-27 Chris Cannam * Merge from trunk spectrogram-cache-rejig