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Linux kernel hacker and maintainer, virtual instrument creator etc.

OpenPGP: 3AB05486C7752FE1

Jarkko Sakkinen

It has finally crystalized me what I'm really doing with my leisure time activity since early Fall :-)

"A Linux-focused DAW built from scratch around its own desktop-like UI, deterministic rendering and input handling, a CLAP-only plugin architecture, and persistent CoW snapshot-based history — all aimed at delivering extremely accurate low-latency behavior and eventually industry-leading audio/MIDI routing."

It makes total sense to me now that it is on paper.

#linux #audio #dsp #musicproduction
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-0.8309720144822054 + -0.18479928945814048i at zoom 1.1482443609e+12.

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Jarkko Sakkinen

Last glitches fixed. I've fully realized a binary DAW project format, which does not have concept of "saving" or "backup files".

Combining the best features of tracker modules and modern developments of file system snapshots. I like how opposite poles these topics are but this actually works :-)
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Jarkko Sakkinen

daw making is sick if you get into it. like model railroads type of madness.

i find myself happily making little knob and slider widgets to my UI framework for the use of my clap plugins. and still not bored.

I did read some recentish publications on latency compensaiton, studied clap, and realized that if I fix up to everything is clap I can make things sync really well. Worts case is when you have multiple hosts and bridges and whanot.
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How much water do the data centres use? It's a secret.

Do you want Immortan Joes? Because this is how you get Immortan Joes. Roanoke gets its drinking water from Carvins Cove Reservoir. The locals tried to find out just how much water Google would be...
https://jwz.org/b/yk4G

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Jarkko Sakkinen

Edited 2 days ago
My new guidelines for a new open source project in 2026:

1. Do not publish your test suite.
2. Delay the initial public repository as far away towards future as possible.
3. Do not aim for cross-os portability. Aim for cross-os non-portability.
4. Do not provide any other documentation except minimal man page and README. Less detailed documentation is better documentation.

In my DAW project I apply these best practices and levaraging Pipewire and Linux without any shim layers and at full scale will address the bullet three :-)
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Jarkko Sakkinen

Dropped macOS/CoreAudio support from my DAW because of limited time and I want to see what you can accomplish with Linux-exclusive e.g., by taking full advantage of syscalls and Pipewire. Cross-architecture on the other hand is a high priority.
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Jarkko Sakkinen

Edited 2 days ago
My strategy to AI theft is to move the release of the source code as far away in time as possible. E.g, this is the approach for my DAW. I'll do the whole thing privately until it is just great enough to get the grip. This builds the community at fast rates, which also mitigates ther risk, and provides governance. It will be GPLv3 but as a in-dev project I'm more vulnerable.
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some time ago i (half) joked that the only job can replace outright is the CEO.

today i attended an earnings call where a synthetised voice of our CEO read multi-page long table of numbers from an official financial document, according to a script prepared by claude, over a single slide titled "company earnings 2025" - to a room full of employees who commuted to the office to watch it in person. there was no management present or even shown on the screen.

it was the most disturbed dystopian fucking thing i've experienced in my career of working for soul-crushing corporations.

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The cat is out of the box: @matrix is looking for a new Thib!

If you think you can be a good fit for the role, please send me an email explaining why and attach your CV.

If you tick most of the boxes but not all, please reach out nonetheless. It’s a tall order, but we have fantastic volunteers and a great handbook to help you settle into the role.

https://matrix.org/jobs/devrel/

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4️⃣ Here's the 4th post highlighting key new features of the upcoming v260 release of systemd.

When running code from OS trees, for example in containers, or when booting a full OS in a VM or on bare-metal it's often very useful to put together the basic OS from multiple overlayfs-style layers (directory-backed or backed by DDIs), plus some additional bind mounts, and possibly a tmpfs or two mounted to the right places to get ephemeral or partially ephemeral behaviour.

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Jarkko Sakkinen

This my main UI reference or something I will taken now a lot of inspiration from at least because Octamed is superb and nice to use. And stands time just like Vim :-)

1. Octamed was made by a Finn Teijo Kinnunen.
2. Had major share on invention of such electronic music genres at their epoch such as breakbeat, jungle and drum'n'bass.
3. Still widely used as it does the job and has predictability unreachable on a signal chain with adaptive latency prevention algorithms, and especially with hardware samplers and such this makes ones life better.
4. I like it too a lot, it's great for what it does :-)

That is next 6 months at least because I want my tracker to level that I can do a full track with no other tools, and it is surprising how bottomless pit different usage patterns are (and not necessarily bugs, something just works or doesn't). And now that I actually have really good design and implementation for the engine it makes me less eager to less, it's fun to try things out :---)

#octamed #amiga
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Jarkko Sakkinen

Edited 5 days ago
TTT is my first appy app ever. Never done any so far. I hope this does not happen too often :-) I waited for years someone to make not exactly "chiptune tracker" but neither "renoise". Never happened so there was no choices, and also Caustic died. In the age of all this web vomit (frameworks? i don't know what they are) ,and generally complicated software configurations, you can still do cool stuff with plain C and some assembly magic... It's great.
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Jarkko Sakkinen

Edited 5 days ago
My new UI architecture post-Polyend milestone:

1. ttt --backend software: MiniFB + software
2 ttt --backend vulkan: Vulkan (Vk*) + GLSL
3. Input arrives always through MiniFB shenanigans.

MiniFB enables e.g., MS-DOS :-)

https://github.com/emoon/minifb
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Jarkko Sakkinen

Import parity reached with Polyend files :-) And playback. Next time to create own format, and set of effect commands, which are 16-bit and chord and arp are not weirdly bounded but instead separate. chords tail bits can be used for custom scales. And make UI work best on laptop. And yeah looking good I have now a C based layout manager, UI framework, audio/DSP framework and the tracker itself :-)

Each tracks are already internally equal but each of the 16 tracks will receive in addition 3-band mixer and couple of inserts i.e. copying my favorite mobile DAW Caustic: https://archive.org/details/caustic3an

Yeah and as per synthesis curvature to envelopes, which like major headache in Polyend...

There's four synths in total:

1. Sampler with granular, slicing and rea-time timestrech (https://bungee.parabolaresearch.com/).
2. Wavetable with two oscillators, FM and overall all the shitty edm vomit :-)
3. Analog with 303 and Moog emulation, and less pecial SV12 and SV24 sub bass not so interesting analog emulations (but more useful as tools).
4. Drum hit synthetizer with 808, 909, 707 emulations and kick synthetizer.

This project started by accident during Fall when I was thinking that it would be nice to do a tracker but I will never get pattern editor done because it is suprsingly complex thing. I ended up doing that in 1-2 months without thinking much about it and without sound. Once I had that other stuff has formed "organically" :-)

I.e. this is a baseline. I will likely release this with GPLv3 license "within a year" but I have no rush because this is just sidekick activity...
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Jarkko Sakkinen

I would take any day death and destruction by Skynet vs friendly and ignorant dictatorship by Gemini :-)
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Jarkko Sakkinen

Doing audio in C is partly related to the IP protection, as with Rust it is hard to use LGPL in practice for libraries given static linking model.

There is cdynlib but is also ecosystem/culture question. I.e. stuff that I don't want to sacrifice for AI, I don't do with Rust :-)
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Jarkko Sakkinen

Synth Engine #1, aka ACD, has SV12 and SV24 filters and then this mysterious RD3 filter.

I'm going to interpret the filter setting by having two synth engines internally:

1. SV12/SV24: use SH-ACD engine.
2. RD3: use TB-ACD engine.

SH-ACD is something like SH-101'esque and along the lines of hardware's timbre.

TB-ACD is my 303 emulator :-)

That way I get most (in the sense timbre palette) of that setting and can glue in my 303...
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Jarkko Sakkinen

Edited 10 days ago
Doom scrolling "303" from KVR audio aka I think I do also synth engines and max the import capability. And for basic Polyend playback there's three already :-)

It's the moment in my life when you have to make my own 303 🤷
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