sascha
New Member
Last Activity: Yesterday, 12:34 PM
Joined: 12-08-15
Location: Berlin, Germany
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When it's the shell then the decoupling cushion between mounting joint and the piezo needs addressing. But as said, this also affects dynamics range and can cause bounce. Try different cushions (different foam types/material & thickness) and check the waveform (amplitude change & ripple after...Last edited by sascha; 12-10-18, 10:31 AM. -
Wow, more than half a second of decay? if it really needs that time to decrease by 60dB, that's huuuge! I'm not sure what's 'usual' but I would try shooting for like 10% of that time. Definitely try dampening that guy. And yes, try another pad or mesh, just to have more data to play with.Leave a comment:
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Make some measurements after dampening along the rim. Could be interesting.
I have no idea how long the tails are currently. Can you give some info on that? It's hard to see it from the waveforms since they're zoomed out so much. I mean something like RT60 (decrease in level by 60dB) as the decay...Leave a comment:
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If 3 & 9 o'clock look more like the center one it's even worse. IMO the decay of the waveform should be way shorter. It looks noisy, reverberant. Try making measurements before & after some dampening, at the exact same location and - as much as possible - the same tension.Leave a comment:
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It's natural that the piezo signal becomes more sharp/spiky towards the rim (which is what Roland use to detect position, it's the 'slew rate'), and since the head is stiffer along the rim, waves travel faster there. Therefore it doesn't matter much where along the rim you put the piezo.
But looking...Last edited by sascha; 12-05-18, 04:21 AM.Leave a comment:
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Everyone doing DIY pads should have an oscilloscope. Period. Without one you're just wandering around in the fog. And there's nobody who can help you because you can't drill down to the actual problem.
Digital storage scopes have become pretty cheap these days, and old analog ones are often given...Leave a comment:
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After some bad experiences with pvc dampening on low-volume cymbals I just apply u-shaped rubber along the entire edge. Already dampens enough for reliable triggering and has a better playing feel.Overly dampened cymbals feel like hitting a brick.Leave a comment:
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