hey, is anyone familiar with the python tool called aubio? I was wondering if the aubio cut feature from it could be scripted for Norns at all? It slices sound files at onset or beat timestamps. Would be awesome if files could be cut in this way with the Norns interface. Maybe they could also be saved to the tape for collection? thanks!

https://aubio.org/manual/latest/cli.html

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Folder acsess and management in TAPE so setting up sample folders made with SAM is fluid to be loaded up timber

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aubio is actually a C library with python bindings.

aubio by itself works fine on norns. the dependencies for the python tools are a little heavier than i would recommend for the limited disk space on the norns system.

i guess a case could be made for linking aubio into matron and providing lua bindings. i’d be happy to review a PR for that.

or, simpler (in a way): aubiocut is standalone, it can be executed from a norns script.

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Just a note, this sounds really awesome, I can’t wait to play with it if you get it going!

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Ah yeah didn’t think about the disk space it would need. Guess there maybe isn’t the need for it as its a pretty fast process from the command line! I also sometimes use the cuts with the tool Sox to randomly shuffle them back into concatenated files which is fun. All of that from one script could be cool. However I have no idea how to do that! thanks.

I posted a link to a recent supercollider tutorial on pulsar synthesis over in the granular theory thread, which got me thinking about how cool it would be to have something in the vein of Roads’ PulsarGenerator or the recent NuPG on Norns.

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YES YES YES YES YES!

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someone needs to do this. i didn’t know the blofeld had a sample player, might have to look into getting one of those. been wondering what i should spend all these stimbucks on. on that note, i have been trying to decide what i would need in hardware form to accomplish my sort of abstract workflow goals that i can’t accomplish with my norns/octatrack combo. I was thinking maybe something like morphagene or Arbhar, but i can sort of accomplish cool sample looping with compass/cheat codes/less concepts.

so now i’m wondering if there is something like Angl or Mangl that can record incoming sample audio. I want a granular sampler that can record live from inputs with the same midi control that angl/mangl has to manipulate the audio like elastic.

i’m really struggling, even with the octatrack and norns, to figure out the best way to mangle samples live. lately ive been using pickup machines and cueing that audio out to norns and then back into a flex machine that resamples and plays back the audio with p lock trigs but it still doesn’t seem as practical or as intuitively controllable as using ableton to edit and structure/piece together short samples that have been granulated and placed on a timeline. maybe that’s the point,and i understand that, but i would really like to be able to do that without a computer, and it doesn’t seem impossible. this might all be due to my inability to think in a big picture sort of perspective.

one way i was thinking would be to grab a simple sampler with some flexible effects like a sp404 then run that through norns live and then into the octatrack to structure. but i find it hard to structure non-beat oriented stuff in the octatrack. it would be cool to be able to freely trigger and record longer samples with something like the sp404. i really loved the sound of the es-1 when i had one, but it was only for very small audio files, which isnt a dealbreaker, but it wasn’t very flexible for the kind of thing i’m trying to do and although it’s adc sounded incredible, it wasn’t really capable of doing high quality sample playback.

And this may already exist and im just not aware, but if i could get a norns script that could easily trigger slightly longer samples (multiple, like with a big folder directory like orca/timber handles sample loading), but also internally resample audio form the inputs and then granulate it with mid mappable parameters like angl, i think that would solve my problem. I previously was thinking a clone of a granular module like the popular eurorack ones would be cool, but now im thinking something that could record and flexibly perform samples would be even more useful. because there are arguably even cooler loopers in norns than what exists currently in the eurorack sphere

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I am working on something like this. I was going to just add it to mangl, but decided it would be it’s own thing.

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Can’t wait for this. I’m sure it will be stellar.

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oh man, i will be looking forward to this

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I have to say that was before i tried timber, wich i know by now is massive and super fluid in the sample edits. It could be build on for such ideas, i think its one of the finest fundaments for sample playing with a grid. Has a small mod matrix similar to parts of the blofeld.

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that’s a good point, i’ll have to dive into that sometime soon

*Edit: wow, i don’t know why i didn’t think of this, but it’s much better than i imagined. thanks for the tip

Someone should make a little typing game with the HID library! It’s on my list or whatever but that list already looks too big to comprehend so I wanted to throw it out there :slight_smile:

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Hey guys I just thought about shortcuts. It could be nice for example to lower the volume by holding 3 buttons? Or something like this. To avoid menu diving. What you think?

Hey all.

I’m looking for a more traditional sequencer on the Norns + Grid platform, and am struggling to find one. It’s not a big deal for me, I’m just curious if I’m missing some gem here in my explorations.

To be clear, this is what I mean:
Like Awake, but polyphonic and with options for more than one pattern (without loading a new preset), and potentially also to be able to scroll up and down for more elaborate harmonics (like the Animations script).

An open-ended step length per pattern would be cool, Deluge style, but I’d settle for a set length between X to Y, if there was pattern switching going on.

I’m finding a few that do something or variations on these, but not a sequencer that’s just a no nonsense polyphonic sequencer.

If anyone’s been on the Deluge here, I guess what I’m after, is a one track Deluge sequencer, where I wouldn’t find defined pattern lengths and just one track a limitation.

Kria MIDI might scratch your itch but it’s probably not as straightforward as you want… until you learn it!

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Thank you :slight_smile: you know, I think I missed that one. I’ll give it a go. Much appreciated. I don’t mind the hassle, as long as it makes sense in the long run.

@tehn is finishing up a release package for norns 2.4. this includes @artfwo’s new clocking system which makes it much cleaner to write things like a sequencer with variable step length, clocked by arbitrary source.

so while i’m not familiar with how exactly the deluge works, given a detailed functional spec for your dream sequencer, i’m confident that someone here can code it up pretty quick. what i’m reading here isn’t quite enough to go on. (in other words, i think the design spec is the bulk of the work, and the coding should be quite simple.)

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nice - I’ll get this and Crow support (arrives Monday!!!) in to Kria MIDI soon - probably over the next week depending on other work

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