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 PseudoBandpass+Crashing of MotorMix
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| Author | Topic: PseudoBandpass+Crashing of MotorMix |
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flo Member |
posted 07 January 2002 09:07
 
Some questions from a kyma rookie: Is a "PseudoBandpass" with 512 partials (= lowest fundamental of 44Hz in the LiveSpectralAnalysis sound) impossible with 4 DSPs? I always get negative feedback from kyma when I try this, but can't believe it. When I enter a number in the number box of the VCS my motor mix seems to crash. The display gets blank and starts flickering, the faders stop corresponding. Has anybody experienced something similar? Is there a way to solve this? Thanks. Best Wishes for 2002! IP: Logged |
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SSC Administrator |
posted 07 January 2002 14:08
Yes it is possible to run the pseudobandpass example, but with fewer sine waves than in the example. The 1F analysis requires three DSPs (for memory, not processing power), the fourth DSP is for I/O, meaning that DSP #3 has to be shared between doing some of the analysis and for also doing the oscillators for the resynthesis. If your source is a sample and not live, you could use the Spectral Analysis tool to prepare an analysis file of the sample, and then replace the non-harmonic analysis in the example with a SpectrumFromDisk followed by a SpectrumLogToLinear. This would save a lot of processing power and would let you do the resynthesis with many more sine waves. For the MotorMix problem, does this occur all of the time, or only with specific examples? For example, if you drag a Constant Sound from the prototypes, edit it, and change its value to !x, do you get the same problem when you change x in the VCS? IP: Logged |
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