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Grainsmith Field — native iOS granular instrument, TestFlight beta open
Hi all!
I've been working on a native iOS granular synth and it's ready for a wider beta. TestFlight link at the bottom.
Some context: I make the desktop Grainsmith VST3/AU/AAX plugin on Mac and Windows (see https://plasticfactory.com. I'm also a co-owner of a traditional recording studio, and the desktop version is built with Pro Tools style studio session work in mind. This is not a port of that. It has a single granular layer with multitouch control, four XY performance pads (Density × Size, Jitter × Spread, Scan × Reverse, Cutoff × Resonance) plus a Morph macro that sweeps multiple parameters at once. It's built in SwiftUI, with the same C++ granular engine underneath.
It ships as a standalone app and as AUv3. Most of my testing has been in AUM, and that's where it feels best.
Current beta status: runs well and sounds like the desktop version. Presets save and restore (ten factory sounds ship with it, pulled from the desktop library), patches survive a host session close/reopen, and there's a MIDI instrument mode if you want to play patches from a keyboard. Known rough edges: the granular envelopes can sometimes be prone to clicks which seems to show up more in live mode. Fix is coming. I'm looking for AUv3-host users specifically. If you load it in AUM and anything doesn't work as expected, let me know! Also, let me know what your go-to controllers are. I will have a OXI e16 profile and am working on getting Midi Fighter Twister working well.
If you'd rather see it before you load it, here's a full walkthrough:
https://youtu.be/WTqEOlAtuR8
https://testflight.apple.com/join/ARte4wP2
If you post feedback here or DM me, I'll definitely read it. Thank you!
Andy / Plastic Factory
(Also, you may have seen this referred to as Grainulator previously - I decided to change the name after feedback that that could be confused with other related products)
Comments
Can I record into it?
You can! It will record from the mic/input in standalone mode, or the sound source if it is placed as an FX on an instrument or audio track when it is hosted. There is definitely a discoverability issue with wet/dry - it is set to 100% wet by default and to get to the wet/dry control you have to long press the record button for record settings popup (see the video above at 3:20 for an example of this). I'll work on that.
I'd be interested if you all have thoughts on the choice to make this an aumf type plugin (midi controlled effect) - it seems to best suit the needs of a granular synth, but does mean it likely won't show up in GarageBand (AUM/Logic/etc should all work).
I have to admit it sound pretty good although I'm immensely tired of everything granular as we've been practically bombed with various instruments and effects of the granular variety for quite some time now.
Anyway, the exposed parameters do not work for whatever reason, I connected some LFO's to a few of the parameters and absolutely nada happens. You might wanna look into that
I could not see the scrub as a CC option, that would be cool if it was.
That's no good! I will reach out for more info - I've tested parameters modulated via CCs, but will try to reproduce. Also, visual feedback is missing, which is a definite gap. And position should 100% be there as well. Thank you!
I really like the sample selection you added. The weather preset sounds great with drums.
I’m liking this. Why dual scrub sliders?
I’m liking this. Why dual scrub sliders?
There is no position (although I looked for "scrub"). I tested again and 'Filter Cutoff' works but: where is the filter represented visually? [edit: ah, it's the 'Tone pad' - sorry, missed that]
In AUM you have this sorta midi cc helper (image) and it's totally dead, I never seen that before on an app with exposed parameters. Hope that helps.
I've seen (rarely, mind you) apps with exposed parameters where the midi control finder in AUM doesn't work. This is definitely something the dev can/should fix.
And fixed! New build just shipped. Now the exposed parameters should be fully discoverable by the midi control finder. There is also better visual feedback when parameters are being automated.
Awesome! My theory for the dual scrub rockers is when holding the phone or iPad, it makes it easier to scrub with your thumb while adjusting another control, regardless of which side the other control is on.
Makes sense. Just played with the xy pads while scrubbing, definitely useful to have the scrubbing available on each side.
Would be could if you could eventually record motion on the controls and xy pads.
Seems like a solid and release ready app so far… what pricing are you thinking? I too am flush with grain apps already, but I like your easy uncluttered interface and I could see myself using this often
Motion recording is definitely on the roadmap! I've prototyped out an approach, but not quite happy about how it sits in the UI yet. Speaking of roadmap, I've been thinking a lot about how much modulation to bake into the experience vs. lean on external modulation that people bring to the party. The core engine it shares with desktop has a pretty rich set of LFOs and other modulators that aren't yet exposed.
For pricing, it will be $11.99, $9.99 intro. I recognize there are a lot of granular options out there these days, but hope to earn a place in people's toolkits.
Quick update - build 9 is on TestFlight now.
In addition to the automation fixes in build 8, this fixes a rare crash on teardown that a couple of you on older iPads may have run into. It also cleans up an AUv3 resource leak, so it should stay smoother over long sessions and repeated open/close in a host.
If you've got a minute, please update and try to break it: background and reopen the app a bunch while the cloud is moving, and open/close it as an AUv3 in AUM a few times. Thank you to everyone putting it through its paces!
State saving is a bit broken.☺️ It's e.g 'Grain Shape' and 'Morph' that goes back to default while for the 'Main' knobs it seem to work as it should.
I like the straight forward UI. Sounds great.
anybody know of a small setups. dual mic input to run stereo microphones. to make this a true field recorder ? such a cool app i’d love to compliment it with mic setup to match
Update shipped! This was quite the thread to pull.
I have added additional slots to the beta pool. Than you all for the feedback!
This is such a dangerous rabbit hole for me...maybe a nice pair of Sonorous Objects mics plus something like the Rode AI micro? Or some kind of XY usb c mic that attaches directly to the phone/iPad?
Nice! I have a midi-controller request: the Melbourne Instruments Roto Control, which requires midi feedback for its motorized knobs.
And I wish for some kind of area tool for the sample.
I am just working on shoring up the initial controller support, so the timing is good. The lack of midi feedback in standalone is a bug that will be fixed in the next build. Unfortunately I don't think it's possible to get feedback going when hosted in AUM and most other hosts - let me know if you have other plugins working.
The Midi Fighter Twister and OXI E16 are both working well (in the next build) with full mirroring of knob values in their LEDs, so the Roto Control should be similar. 7bit midi only, however, so not as buttery smooth as a Monome Arc. Working on that!
If you are will to share a saved profile export, I might be able to get a more intuitive out of the box experience working with a custom profile. I'll be sharing the MFT and E16 profiles. Thanks for testing!
Ohhh, this is a good one. Selecting/looping/trimming exists on desktop but needs a different interaction model here. Maybe adding edit to the long press popup? A bit inconvenient, but doesn't collide with scrubbing or moving the playhead. My favorite for that type of interaction is Koala. Will need to noodle on this.