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 Kyma Forum
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 percussive sounds
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| Author | Topic: percussive sounds |
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Darwin M Member |
posted 02 August 2006 16:09
 
Hi, Can any one share any advice on how to generate percussive drum sounds in Kyma? So far I have been starting out using white noise for snare's and a sine wave for bass (very simple I know!). They do sound a little wimpy, so I'm looking for something more aggressive to turn wimpy into beefy, avoiding distortion. (I just begun experimenting with the sample editor in Kyma using the impulse response to generate some percussive sounds..I remember reading this in the older Kyma manuel.) Also, if I were to use an LFO to shape a filter or volume, how can I use just a single cycle (or half) of the contour of the LFO on keydown (without the LFO repeating in cycles)? I guess I would also have to have a trigger on a specific point of the LFO's cycle. I was using live midi control (to shape) some sounds but would like to know how this could work automatically on keydown. Thanks Darwin p.s completly off the subject..but I noticed no keyboard shortcuts to hide Kyma, I might be going crazy but I swear I hit command H out of habit and Kyma on 2 maybe 3 occasions hid herself!! maybe it's the heat outside..(it's really, really, hot) [This message has been edited by Darwin M (edited 02 August 2006).] IP: Logged |
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SSC Administrator |
posted 03 August 2006 08:27
To sharpen up the sound, you could try feeding your current Sounds through a prototype called Loudness Waveshaper. This does a form of quick and dirty compression. You could also try one of the 3 band compressors in the Sound Library/Effects processing. The high/low shelving or presence filters might also help tune the sound of the Noise. IP: Logged |
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keph Member |
posted 03 August 2006 19:57
quote: command-h will work once upon launching kyma and then won't work again until a relaunch. [This message has been edited by keph (edited 03 August 2006).] IP: Logged |
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SSC Administrator |
posted 04 August 2006 10:18
In Kyma, cmd+H does a PasteHot in text fields, allowing you to select from a menu common hot values or expressions. As Keph pointed out, when you first launch Kyma (and before you have selected any parameter fields or done any other editing), cmd+H still does a "hide". So no, Darwin, you're not heat-crazed (well, we're all heat crazed these days but at least cmd+H is not one of the symptoms) IP: Logged |
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Darwin M Member |
posted 04 August 2006 12:57
Hi, About the LFO question, (that I may have worded weird), is it possible to trigger a specific point to start the LFO upon playing a key? And...when using an LFO within a timeline, I'm guessing I will be able to sync the LFO to an external midi clock? Thanks again, Darwin (desperately waiting for fall & winter!!) IP: Logged |
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SSC Administrator |
posted 04 August 2006 16:43
To set the phase of an LFO (or any other oscillator): 1. Check the Frequency modulation box 2. Set MaxMI to Float pi * 2 3. Dbl click the Constant input and set its Value to !Phase A !Phase value of 0 starts at beginning of the wavetable, 0.5 starts halfway through the wavetable, 0.75 starts 3/4 way through the wavetable, etc. To reset to that initial phase each time a key goes down, set the Oscillator Reset value to !KeyDown IP: Logged |
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SSC Administrator |
posted 04 August 2006 16:52
"And...when using an LFO within a timeline, I'm guessing I will be able to sync the LFO to an external midi clock?" Whatever expression you put into the Reset field will reset the LFO that initial phase. So you could use !TimingClock in the Reset field to have the LFO reset on each clock (24 times per beat). To reset once per beat, you could use !TimingClock triggerEvery: 24 " (desperately waiting for fall & winter!!)" IP: Logged |
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Darwin M Member |
posted 05 August 2006 00:13
Thank you sooo much!!!!! Float pi * 2 <-----What was that??????. Damn, I was so off! lol the weather was/is much better... IP: Logged |
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SSC Administrator |
posted 05 August 2006 09:14
Float pi is a Smalltalk thing. "Float" is a Smalltalk class representing all floating point numbers. When you send it the message "pi" it returns a floating point number approximation of pi. You can test this (or any other Smalltalk expression) by selecting it, and then using Ctrl+Y to evaluate the selected expression. IP: Logged |
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