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diff (Csound opcode)
Modify a signal by differentiation.
ar diff asig kr diff ksig
iskip: (optional), initial disposition of internal save space (see reson). The default value is 0.
integ(diff(sig)) == sig
The following example demonstrates that the amplitude of the resulting signal is dependand on the frequency of the input signal.
f 1 0 16384 10 1 i 1 0 1
The upper signal correspondents to aleft, the lower to aright:
This opcode is used for the following instruments:
>Other Csound opcodes.