S. H1, Amplitude du picàpic`picà la fréquence fondamentale du spectre

S. H2, Amplitude du picàpic`picà 2x la fréquence fondamentale du spectre

S. H4, Amplitude du picàpic`picà 4x la fréquence fondamentale du spectre

S. H8, Amplitude du picàpic`picà 8x la fréquence fondamentale du spectre

S. H12, Amplitude du picàpic`picà 2x la fréquence fondamentale du spectre

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