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Any ideas how to synthesise this waveform?

DSP, Plug-in and Host development discussion.

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itoa
KVRist
 
248 posts since 3 Sep, 2009, from Poland

Postby itoa; Tue May 13, 2014 11:07 am Any ideas how to synthesise this waveform?

I want to synthesise a band limited wave of this form [attached image]. As you see each transition begin is sharp and then it gets smoother. I don't want to use wavetables. I've been trying to transform a minblep square to this form using time-varying lpf, no success so far. I am aware of HPF (DC blocker) used here.
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giq
User avatar
antto
KVRAF
 
2287 posts since 4 Sep, 2006, from 127.0.0.1

Postby antto; Tue May 13, 2014 11:40 am Re: Any ideas how to synthesise this waveform?

did you try a plain square/pulse thru a 1st order HPF?
It doesn't matter how it sounds..
..as long as it has BASS and it's LOUD!

irc.freenode.net >>> #kvr
itoa
KVRist
 
248 posts since 3 Sep, 2009, from Poland

Postby itoa; Tue May 13, 2014 11:44 am Re: Any ideas how to synthesise this waveform?

No, because it's a wrong direction :). I mean rounded corners, not decaying slopes caused by HPF (DC blocker).
Last edited by itoa on Tue May 13, 2014 11:55 am, edited 1 time in total.
giq
itoa
KVRist
 
248 posts since 3 Sep, 2009, from Poland

Postby itoa; Tue May 13, 2014 11:52 am Re: Any ideas how to synthesise this waveform?

I know I can combine sharp blep transitions with curved segments.. I hope there is a more straightforward solution (maybe modelled after analogue oscillators?).
giq
User avatar
antto
KVRAF
 
2287 posts since 4 Sep, 2006, from 127.0.0.1

Postby antto; Tue May 13, 2014 1:16 pm Re: Any ideas how to synthesise this waveform?

do you know how this waveform looks like at a wide range of frequencies?
It doesn't matter how it sounds..
..as long as it has BASS and it's LOUD!

irc.freenode.net >>> #kvr
itoa
KVRist
 
248 posts since 3 Sep, 2009, from Poland

Postby itoa; Tue May 13, 2014 11:40 pm Re: Any ideas how to synthesise this waveform?

Mainly the same.. except effect of DC blocker

The point is "sharp-smooth" transition.
giq
AndreasD
KVRian
 
524 posts since 2 Mar, 2009

Postby AndreasD; Wed May 14, 2014 2:23 pm Re: Any ideas how to synthesise this waveform?

I get this from a square with a HP and a high shelve dip.
If it helps..
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itoa
KVRist
 
248 posts since 3 Sep, 2009, from Poland

Postby itoa; Thu May 15, 2014 12:10 am Re: Any ideas how to synthesise this waveform?

Thanks, I got close with tilt-shift filter as well.
giq

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