graintopia

infinitedigits · 2023-05-17T13:21:46.194Z

v1.2.0 - adjustable weightings

feature: can adjust the randomly weighted tuning+volumes (PARAMS > x) weight…)
feature: can clear lands (PARAMS > clear land)
feature: can change overall tuning of land (PARAMS > tuning)
bug fix: debouncing added to make it possible to scroll through audio files
bug fix: parameter hiding wasn’t working
bug fix: lands other than current weren’t updating (whooops!!)
bug fix: loading fewer lands will remove previous lands
bug fix: loading lands now load when out of focus

each grain of each land is capable of switching its tuning randomly between five choices of tunings. the slew rate for these changes are controlled by PARAMS > slew rate. how often changes occurs is random, but is linearly related to the timescale (PARAMS > timescale). the randomness of the choice is weighted. with v1.2.0 there is a new parameter to change the weighting, as well as the tuning of each possible choice. each land provides five possible choices for randomly changing its tuning. for example, you can set one of the choices to have a weight of “50” (PARAMS > 1) weight -> 50). if the other choices are set to a weight of “1”, then this choice 1 will be chosen 93% of the time. with each choice, you can set the tuning and the volume of that choice. for example, you can set the tuning to go up an octave (PARAMS > 1) tuning → 12), and then have it quieter when it goes to that choice (PARAMS > 1) volume → -12 db). by default, the higher tunings are quieter because they pierce through more than lower frequencies.

JosueArias:

If I have 10 files named 001 to 010, and file 001.wav is selected, when I try to select 008.wav moving the encoder it loads all files from 002 to 008

easy fix! added a debouncer so now it should work.

drehleierguy:

it records when i’m holding the pedal down and stops when i lift. i LOVE this behaviour! this has not been my experience mapping record with other scripts.

so cool ! I think that’s a happy accident

drehleierguy:

if i had any aptitude for this stuff, i would try coding some arc functions

do it!! I am happy to assist

DoS:

One issue I’ve encountered is that when reloading saved presets, even though the sample file locations are saved in the .pset file, they do not always reappear on the screen in land 1, though Maiden reports that they are loaded; for example

should be fixed now! I forgot to update each land, oops

DoS:

especially with the addition of LFOs from Your great aunt Pam’s old toolkit to the various parameters

this is a fantastic idea!!!

dario_boldrini:

only yesterday I noticed that even with the slew rate at 0 land1 still has some slew time to time. Is this meant to be?

should not be meant to be, I"ll keep on a lookout for this behavior.

dario_boldrini:

I was also wondering if a global pitch for each land could be helping in tuning the three lands together.

added now!

dario_boldrini:

And also in the mapping menu it seems I can map only one land (land2? Every parameter starts with 2).

as mentioned before, you’ll need to change lands to see the other parameters. (I’m using parameter hiding to make things more seamless between the ui and parameters…at least it is for me I think).

ampism · 2023-05-17T14:03:30.040Z

Amazing! Thanks for all this Zack.

I have a question about the reverse playback; Does this occur across all grains, at various times? I am wondering if the reverse playback could be assigned to , for example, grains 6 and 5, so that if I opted to reduce the number of grains in each land to 4, then there wouldn’t be any reverse audio. Make sense?

edit: I guess another way of asking my question is: could I eliminate all backwards audio, by adjusting the parameters?

infinitedigits · 2023-05-17T15:35:33.098Z

ampism:

guess another way of asking my question is: could I eliminate all backwards audio, by adjusting the parameters?

currently no - reversing audio is part of the random internal lfos. it can be changed by changing this line of the Engine. it could be ammended to be a parameter as well though in the next version.

ampism · 2023-05-17T16:49:53.505Z

That would be awesome, thanks. Often the reverse sounds fit perfectly with the general vibe, but sometimes I feel like I’d like to stop them.

xmacex · 2023-05-17T19:29:13.033Z

I love this script, as it is, and the vision it manifests. Take me to the land of graintopia!!!

dandante · 2023-05-17T21:03:23.018Z

This is an awesome script. I have been having great fun with it for the last several days.

I started to build a TouchOSC control surface for it and noticed that when I use the sliders to change boundary start and boundary width for a given land, I hear some staticky noise. I wonder if this is because the slider can change the values faster than E3 can? I also tried rounding the float values to the nearest int but that didn’t change the behavior.

I’m using OSC but maybe I’ll try using MIDI instead and see if I get different results. I prefer to use OSC with norns because no additional setup (mapping parameters, saving presets) is necessary.

I’ll attach the control here in case that is helpful to you.
graintopia.tosc (1.8 KB)
If you don’t use TouchOSC, you may (?) be able to reproduce this with any device that can send OSC messages quickly.

Also, a minor cosmetic issue I noticed. In the params menu, there is a ‘%’ to the right of ‘boundary start’ and ‘boundary width’ but it’s not a percentage value, it goes from 0 to 127, not 0 to 100.

xmacex · 2023-05-17T21:21:55.615Z

A local transformer and thrushes at dusk meet in graintopia.

dario_boldrini · 2023-05-18T17:35:41.685Z

@infinitedigits thank you!!! I think you are simply amazing and exceptionally kind. This script is really becoming a wonder,

JosueArias · 2023-05-18T23:34:21.364Z

awesome update @infinitedigits

just one thing: I can hear the input even if monitor level is down, as if the external input is always connected to the output… that does nasty feedback when sampling acoustic sources

Gatrix · 2023-05-19T14:46:48.042Z

I only now got around to trying it out (after I had the glorious idea to use my Norns’ LAN-Port to connect to the internet), and I must say, this is incredibly enjoyable!

adrianf · 2023-05-19T18:27:12.983Z

drehleierguy:

edit 2: if i had any aptitude for this stuff, i would try coding some arc functions, as immediate level control for each of the lands would be amazing, for example. or any number of parameters…

I just tried the Norns mod: arcwise for exactly this purpose. it works!

fourhoarder · 2023-05-19T18:36:49.262Z

you can turn the input down on the norns mixer page.

JosueArias · 2023-05-19T18:49:59.180Z

Sure! But then I can’t record from the outside! I want to record but not monitor the external input

xmacex · 2023-05-19T19:47:51.690Z

Managed to finally capture a field recording of the cargo train which crosses my street in the mornings today. Plenty of spectral content to explore for me!

That recording to graintopia, then NTS-1 on gating and slight more reverb, Zoom H4n Pro compression, and NTS-1 and Zoom H4n Pro share the final distortion task.

dandante · 2023-05-19T20:27:59.242Z

Just a quick update on this. I tried using MIDI CC to control these same parameters and I do not experience the problem of staticky noise. So it is specific to OSC apparently (I also tried using a different source of OSC messages, the cvOSCcv module in VCV Rack, and got the same noisy behavior, so it wasn’t specific to TouchOSC).

So I’m not sure if this issue is specific to graintopia, norns, or (somehow) supercollider.
I have made a few control surfaces for various scripts using OSC and have not run into this issue before.

I dug into the code a bit and commented out the osc.event() function just for fun but that did not change the behavior.

I can use the MIDI workaround but if you ever dig into this, I’m curious as to what might be going on. I prefer OSC for the reasons stated above.

Thanks again for the great script!

Alto_Clark · 2023-05-19T21:30:33.458Z

Amazing script ! I love it

fellowfinch · 2023-05-20T17:14:07.860Z

was finally able to dive a bit deeper into this wonderful script! much like barcode it has such a massive sound. I do have a few questions however @infinitedigits

saving presets: I’ve seen that if I save a preset, it doesn’t save the audio files in each “land”, but I got to manually add them back into each slot. is there a way to implement the chosen recording in the loading option?
probably a bug; if loading a global preset and manually adding recordings (K1 + K2) into “lands” it works half of the time. If it doesn’t load I have to do it through PARAMs menu.

orbit_f · 2023-05-20T17:24:02.002Z

I’ve encountered this behavior twice but I wasn’t connected to maiden both of the times.
When I record all the 3 lands from line input only the first one is active, the other 2 are shown but I don’t hear a sound.
I’ll try to replicate that and post a matron log

JosueArias · 2023-05-20T17:38:43.164Z

the pset seem to save the soundfile, but I´ve found most of the time the waveform is not displayed or doesn´t sound when loading. If I go to parameters the soundfiles are there in each land, I must kind of “reselect” it moving the encoder to the next /previous and then back to the file. That way it works for me.
I have seen that behaviour in granchild too

fellowfinch · 2023-05-20T20:17:02.997Z

Hmm, I guess that loading it through params is the safest way to do it then.