[music-dsp] tube saturation algorithm research
vesa.norilo at saunalahti.fi
Sun Jul 10 17:39:08 EDT 2005
>is there any white paper or online reading that states the distortion
>indexes of the harmonics that a tube creates?
If you find one, let me know.
However, there's a nice way to measure them.
Record a sine sweep through the equipment you measure. Do
autocorrelation. Observe distortion components in the result. You see,
it thinks that the extraneous harmonics are 'echoes' of the primary sine
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