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IMPSY - Intelligent MIDI by Charles Martin (Released) Free
https://apps.apple.com/app/id6771762122
Jam with an AI MIDI partner on iPad and iPhone.
IMPSY listens to what you play and improvises musical responses. Load it as an AUv3 MIDI Processor in AUM, AudioBus, Cubasis or Logic Pro for iPad, play it from a USB or Bluetooth controller (or the on-screen faders), and route its output to any instrument app. IMPSY also runs on its own: it appears as Core MIDI virtual ports (IMPSY In / IMPSY Out) and connects directly to a plugged-in controller, so you can play it without a DAW.
How it works
IMPSY runs a Mixture Density Recurrent Neural Network (MDRNN) on-device. Every note, control change or pitch-bend you send becomes input to the model, which predicts what comes next, including the timing of the response. Shape the conversation with:
• Threshold: how long IMPSY waits between your input and its reply
• Sigma Temperature: randomness of pitch and control values
• Pi Temperature: randomness of which musical "idea" the model picks
• Timescale: speeds up or slows down the response
• MIDI Thru: passes your own playing through to the output alongside IMPSY's
Connect anything
• Map each model dimension to any MIDI message (notes, CCs or pitch-bend) on any channel, independently for input and output
• Connect a controller directly, or use the always-on IMPSY In / IMPSY Out virtual ports
• Import and export your mappings as TOML, compatible with the IMPSY Python toolkit
Custom models
IMPSY ships with a default 9-dimensional model trained for general musical interaction, but you can load any .tflite model trained with the open-source IMPSY research toolkit: synths, drum machines, lighting rigs, or anything that speaks MIDI.
Accessibility
IMPSY is built to work with VoiceOver and Dynamic Type. Every control is labelled, the sliders are adjustable by VoiceOver, and status shows as text, not colour alone. Full statement: charlesmartin.au/impsy-auv3/accessibility.html
Compatibility
• AUv3 MIDI Processor, no audio I/O
• Hosts in AUM, AudioBus, Cubasis and Logic Pro for iPad, or any other AUv3 host that supports midi processors.
• Also runs standalone with Core MIDI virtual ports and direct device connection
• Requires iOS 17
• MIDI stays on-device. No network, no telemetry
Details:
Universal: Yes
Minimum OS version: 17.0
Comments
Ok! I'll give it a spin for sure... can't complain about the price!
Ok I tried it. Ummm I suppose it's not for me lol
😂 We need a new phrase for this type of immediate disappointed response to most vibe coded apps.
VIbebounce?
Vibesatisfaction?
Vibejected?
Is it for anyone? Haven't tried it but I read that description and thought, sounds brilliant in theory, very unlikely that it actually is tho... Unless it has mind reading skills.
Vibejacked!
Wow, bit early for April Fool’s Day, but yeah…
it’s actually still running in the background now, with no input, and it does come out with the odd interesting spatter of notes from time to time, but it’s very much a cross between cat on a piano and some of the more atonal moments in Jerry Goldsmith’s score for Chinatown.
I'm probably stupid but I can't figure out how to make it work...
I fed it input from Piano Motifs and all I got out of it was some infrequent, random, arpeggios...
I think that's all it's capable of tbh
Id like to try some of whatever Claude was on when it farted this out, that's some strooong stuff right there.
VIBELESS - as in no vibe in use, and try coding without vibes
I can do this kinda stuff in one line of code "sans Claude"
auto nextMidiNote = Random::getSystemRandom().nextInt(Range(0, 128));
I should also probably re-market moodscaper (10 years old now) as AI-generative...
Joking aside though, there really should be some more, um... musical examples available to back up the app's claimed capabilities because the underlying model does sound interesting. Plus I'm really interested in this sort of stuff.
Flawed Claude?
Claudesmacked
This is actually by the Phase Rings dev, I just noticed, so I dunno, maybe it's worth sticking with a bit...i didn't manage to get anything I'd consider a musical accompaniment out of it tho, not so far
In my first tests the CCs in the output were messing with the settings on the hard and soft synths I tried to use. The trick is to load the right TOML file. It looks to me like something interesting for experimentation but very different from “Claude make me a song…”. The term AI in the app description is in my opinion misleading and raises expectations. This is about machine learning and neural networks, not LLMs. The GitHub repo looks interesting. You can run a Python version of the software on your computer, train models and there are configuration files (TOML) for a wide range of gear.
Damn, that’s an old school iOS dev. I feel bad now and offer my apologies to the developer if I was off base with the vibe comment. Just soooo many apps getting released right now that are a disappointment. I feel like I should take a year off.
Looking at the site, seems there's proper research behind this and the dev is an academic. But I really don't get it. I mean, I thought it's supposed to jam with you, but on default setting it immediately starts doing it's own crazy, jazzy, atonal thing, even without a single note of input.
I think the guy is more into experimental music :
Here's his website :
https://charlesmartin.au/impsy-auv3/
And his contact :
[email protected]
I'll try the app next week