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Elektron-Users Elektron Forum Sandbox Karplus Strong synthesis in the Monomachine (1 viewing)
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TOPIC: Karplus Strong synthesis in the Monomachine
#76721
Hero of Winds
Posts: 1512
Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
Holy smokes, I think I just found the big one.

If you haven't already done so, go grab the latest OS update for the Monomachine from elektron.se (that's OS 1.22).

Load up one GND-NOISE machine and a FLANGER machine.

Route the NOISE machine into the FLANGER and mute the NOISE channel (i.e. unroute it from AB ). Make sure that the FLANGER is set to neighbour (the FLANGER should be immediately after the NOISE machine channel-wise).

Set the NOISE machine's envelope to no hold, short decay and maybe short release so that you end up with a clicking type sound going to the FLANGER.

Turn the FLANGER's LFO off (i.e. turn DEP to zero). Set the FB parameter fairly high (i.e. over 60). You'll want to set a fairly long envelope for the FLANGER too.

Enter some notes in the sequencers of both the NOISE and FLANGER machines. Ideally, these should occur on the same steps.

Parameter-lock the DEL parameter of the FLANGER machine.

You should then have something that works a bit like Karplus Strong synthesis.

I'll post demos tomorrow. Elektron = Epic win.
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#76731
Yoshi
Posts: 979
MDUW MKII + MnM MKII + OT DPS-1
http://soundcloud.com/earsmack
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
So for those of us needing a refresher...

http://en.wikipedia.org/wiki/Karplus-Strong_string_synthesis

I have this running now as described above and it's pretty cool. Just goes to show you the depth of these machines - once again!

Some other things I've done that make this even cooler sounding...

Add some delay to the Flanger track along with some SRR - very nice!

Add some distortion, cut the filter back a bit (also on the Flanger track).

Dang - tweak any params on either track - so much to explore here...good find futureimage!
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#76732
Hammer Bro
Posts: 697
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
Nice one FI, thanks for sharing!

Here's a similar approach for the MD:

Load a GND-NS machine. I used these values:
DEC: 49
FLTH: 108 (Smaller values = softer timbre / higher values = harsher attack transient)
DEL: 84

Load a CTR- RE machine. Some parameter guidelines:
TIME: 0 (!!)
MOD & MFRQ: Leave at 0 or change them to add vibrato if desired!
FB: 64 (Right on the verge of producing feedback)
FLTF: 0
FLTH: 127 (Sweep this towards zero to get a smoother decay)

Load a RAM-Rx / Px pair. Sample the sound, then pitch shift it, change decay etc.

Enjoy!
ToS
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#76733
Game & Watch
Posts: 3930
0
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
yeah, it´s a kind of KS synthesis for sure! good work

you can achieve similar results using the BBOX machine and p-locking different retrigger times...at this level retriggers acts as short delays, thus generating notes
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#76735
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
I got some sounds not unlike those of tapping a sloshing half-full pot of water with a metal spoon.
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#76742
Admin
Posts: 2950
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
It should be possible with the track delay on very short delay settings, right? The delay is basically a flanger. The flanger machine gives you a lot more detailed control.
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#76744
Hero of Winds
Posts: 1512
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
Correct, you can get the same effect with a track delay. However, the beauty of this method is that it won't be affected by tempo changes. As soon as you start changing the BPM using the echo method, your pitches will stray.

Also, you reach more precise pitches using the flanger.
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#76745
Admin
Posts: 2950
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
futureimage wrote:
the beauty of this method is that it won't be affected by tempo changes.

Ah, great! The temposync of the delay is both an advantage and a drawback, depending on how you use it.

I was also thinking how cool it would have been if the flanger delay times followed a chromatic scale
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#76747
Hero of Winds
Posts: 1512
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
Nils wrote:
futureimage wrote:
the beauty of this method is that it won't be affected by tempo changes.
Ah, great! The temposync of the delay is both an advantage and a drawback, depending on how you use it.
I was also thinking how cool it would have been if the flanger delay times followed a chromatic scale

Chromatic scaling would just be killer.......... that might well go in the feature request thread!
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#76748
Game & Watch
Posts: 2113
Re:Karplus Strong synthesis in the Monomachine 9 Years, 7 Months ago
Fun stuff, thanks for that FI!
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