User-Defined Opcode Database |
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extracts stochastic components (transients etc) from a sound (using csound 5 opcodes)
Download UDO FileResidual takes in a signal, analyses it in terms of stable partials and then subtracts the stochastic, noise-based, components of the sound, which form the output of the opcode. This UDO uses new opcodes found in csound 5 only.
asig Residual ain, ifftsize
ifftsize - length of the FFT analysis in samples
asig - residual output
ain - signal input
opcode Residual, a, ai ain,isiz xin ihsiz = isiz/4 ffr,fphs pvsifd ain, isiz, ihsiz, 1 ftrk partials ffr, fphs, 0, 1, 3, 500 aout sinsyn ftrk, 2, 500, 1 asd delayr isiz/sr asig deltapn isiz-ihsiz delayw ain xout asig-aout endop
instr 1 ain inch 1 ares Residual ain, 2048 out ares endin
Victor Lazzarini, 2005
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RecursiveDiskin | SamplePlay1 |