SoME 2010 June: Chaos harmony

Sound Of the Month Edition

Harmonic noise vs Detuned noise

Harmonic noise spectrogram

Harmonic - noise applied to sound envelope

Detuned noise spectrogram

Detuned - noise applied separately to each harmonic

4 harmonics randomized by 1 octave normal deviation with slow frequency of 10hz.

In the first case the noise is applied to whole envelope which results in all harmonics to follow the same fluctuations. In the second case the noise is set for each harmonic individually – the correlation is lost. Let’s listen to it:

  • Harmonic noise – sounds a bit like a crazy cat:

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    The voice is tight, changes drastic and you can identify all the peaks from the graph (try it :)

  • Detuned noise – imagine detuned radio:

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    This one is more spacious but also confusing. There are too many changes happening at the same to be able to track any single thread. All those different pitch levels create cosmic space feeling.

Both Falasol projects zipped.

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