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 Kyma Forum
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 Unwanted Click
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| Author | Topic: Unwanted Click |
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mk23 Member |
posted 21 November 2007 16:21
 
Hi all, I have been working on some Kyma drum synth patches but I keep on running into a basic problem with clicks at the beginning of sounds. For example I have a very simple Kick made up of 1 x CAGVCO with a frequency envelope feeding into a VCA with an envelope. Every time I trigger the sound there is an unpleasant click. My guess is it is something to do with the envelopes, but even when they are set to more than 100 ms the click is still there. Any suggestions how to stop the click but keep a punchy attack on the sound? David mK IP: Logged |
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tuscland Member |
posted 22 November 2007 03:10
Hi, 100 ms is very long, for a kick there is no punch anymore, so you should not hear a click. It means that your click belong elsewhere, may you please attach your kick sound in this thread so we can see what's happening?
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SSC Administrator |
posted 22 November 2007 09:45
Hi David, Have you tried playing each of the envelopes on its own? If the click is in the envelope you will hear it (even if the rest of the envelope is subaudio). What's the scale on the frequency modulation? If the change in frequency is large enough, it could still cause a click even at the slow attack time of 100 ms. In other words, if the rate of change is fast enough, it could still sound click-like. Related to this same idea, you could try making the attack time a hot value and vary it. If the sound of the click varies as you change the attack time then that points to the envelopes. You could also try controlling the amplitude and frequency envelopes separately to narrow it down. Another idea is to try recording the Sound to disk as you trigger it a couple of times. Then open the samples file and look at the clicks. You may be able to see what is going on in the waveform at that point (e.g. sudden amplitude change, sudden frequency change, or amplitude clipping). Clipping results in a squared-off top on the waveform peaks which, if the duration of the clipping is short, can also sound like a click. IP: Logged |
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mk23 Member |
posted 23 November 2007 11:26
Hi, Thanks a lot for all the ideas, it set me in the right direction last night and now I nailed the problem. Your idea to records the signals helped me find it was to do with the freq mod envelope! So thanks a lot, if I get it into anything worth posting I promise I will put an example on the tweaky Best D IP: Logged |
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SSC Administrator |
posted 23 November 2007 14:25
Just out of curiosity, was the frequency changing too fast or was there a click when you played the waveform by itself? IP: Logged |
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