SynthMaker

Need Poly Delay

Archive · 2005 9 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

rl ·

I've tried to build a plucked string instrument, using a simple waveguide model. It has to be built around a variable length delay line. The Delay unfortunately is not polyphonic; also a workaround using the code module is not possible (no arrays). Any suggestions? Is there a way I haven't thought about yet?

Shifrin ·

No way around it, I posted a few weeks ago about the exact same thing as I too was making a simple plucked string instrument but needed a poly delay.

See here :-

FR - Fractional Delay with real-time modulation of delay...

Malc said he'd have a look 🙂

As a side note, how did you manage to get it to change frequency (i.e. delay length) with each midi note? I couldn't find a way to convert the freq/pitch outputs from the 'midi in' component into the corresponding float size! (i.e. 'poly' data to 'float' data)

Shif.

rl ·

so we have at least 2 votes for a poly delay, hooray! Yes, and it should also have fractional delay time.

ik ·

Count me in for vote #3. Also, I found, with delay time change (just used a knob) with the 'mono delay' I got something like a 'zipper noise'. It would be great to fix that so one could fabricate phasers, flanger effect, rotary speaker .. ??? ik.

lalo ·

my vote too 🙂 for poly delay ..and for delay time modulation possible with no artifacts for both poly and mono delay 🙂

lalo

Shifrin ·

rl wrote: so we have at least 2 votes for a poly delay, hooray! Yes, and it should also have fractional delay time.

Yeah I think I asked for fractional delay too, you could always make one with the integer delay and an allpass interpolator I suppose 🙂

Shif.

malc ·

Apologies guys I forgot about this one. I'll get it sorted.

Also, if there's any other issues that you think we might have forgotton please feel free to give them a bump.

Thanks.

lalo ·

malc wrote: Apologies guys I forgot about this one. I'll get it sorted.

Also, if there's any other issues that you think we might have forgotton please feel free to give them a bump.

Thanks.

a coffee/tea makin' component? 😀

lalo

Shifrin ·

malc wrote: Apologies guys I forgot about this one. I'll get it sorted.

That's great news malc 😀

Many thanks!!!

Shif.

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