A set of Vamp plugins for audio feature extraction.

* Attack
Identify note attacks in the audio data

* MzChronogram
Time-domain analogy to spectrograms

* MzHarmonicSpectrum
Displays the Harmonic Product Spectrum from which pitch estimates
of monophonic harmonic input audio can be made.

* MzNevermore
Independent control of window size and transform size for spectrogram
display

* MzPowerCurve
Measures the power over time of an audio signal

* MzSpectralFlux
Estimates note onsets from changes in spectral magnitude

* MzSpectrogramClient
Demonstration of how to create spectral data from time data supplied
by a host application

* MzSpectrogramFFTW:
Demonstration of how to create spectral data using FFTW from time data
supplied by a host application

* MzSpectrogramHost
Demonstration of how to process spectral data from host applications

For documentation see http://sv.mazurka.org.uk/