art, analysis, audio
Signal processing meets music theory.
I specialize in high resolution audio images.|
With semitone resolution, mapping the color wheel to the octave reveals tonal relationships.
Wynton Marsalis, 'Blues' (detail)
The bass register can be difficult to resolve.
whale song (detail)
Characteristic shapes recur, here's an intro.
Calculating the spectral auto-correlation matrix (following this paper [fxpal.com]) benefits from sharp spectrograms.|
Beatles, 'Here comes the Sun', auto-correlation matrix. Easy to spot the break.
More processing can produce a multi-resolution edge-detector:
Beatles, 'All my Loving', spectrogram with auto-correlation matrix and edge detection.
Which can be used for note and chord finding:
Music visualization videos can reveal subtle elements, and are fun to watch.
© 2000-2018 N. Resnikoff