Turning a rare Yamaha EX5/FDSP effect in a DIY guitar pedal with Plugdata / Hothouse (tutorial)

video upload by Floyd Steinberg

"I try to turn the Yamaha #EX5 's 'Water' effect into a guitar pedal using the #HotHouse pedal, #plugdata, and the EX5's manual.

Table of contents:

00:00 introduction / water effect example
00:32 what was FDSP?
01:48 examining the "water" effect and digital waveguide synthesis
02:22 example patch: "Asian Rain"
02:38 but... that's brilliant!
04:50 quick recap: plugdata principles
05:27 adding all modules step-by-step: noise
05:48 resonant filters recap
06:20 how to build a sample-and-hold lfo in puredata
07:04 a big bang theory
07:37 resonant band pass filter 1, and controlling it with the sample-and-hold lfo
07:59 wait, ... what?
08:44 mathematical operations in plugdata (multiplier)
09:16 transmitting numbers with float objects and bangs
09:37 a first result!
09:50 resonant band pass filter 2 and audio input/output
10:25 resonant band pass filter 3 and high pass filter 1
10:45 envelope follower for the audio input, and some math to make it work
12:11 abs object
12:24 building a recursive delay with delwrite and vd~
14:00 some fine tuning (adjust cutoff frequencies, resonance and volumes)
14:54 audio example
15:00 compile it and install it on the HotHouse pedal!
15:38 debugging (warning, unpleasant noises)
16:27 outlook, demo of progress so far
17:55 bye

Links:
Plugdata https://plugdata.org/
Pure Data https://puredata.info/
Hothouse Pedal https://clevelandmusicco.com/hothouse...
Electrosmith Daisy Seed: https://electro-smith.com/products/da...
Hothouse examples https://github.com/clevelandmusicco/H...
Visual Studio Code https://code.visualstudio.com/
Zadig https://zadig.akeo.ie/

This video was sponsored by Brilliant.

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