Rippet

Roll the dice, stutter the slice.

Grid stutter: once per interval, at the offset, it rolls the dice and may grab a short slice and stutter it for the gate length, each repeat optionally dropping in pitch and level. Locks to the host grid; without one it runs on its own Tempo. Interval: 0 = 1 beat, 1 = 2 beats, 2 = 1 bar, 3 = 2 bars, 4 = 4 bars. Offset and Gate count sixteenth notes. Repeat: 0 = 1/32, 1 = 1/16, 2 = 1/8, 3 = 1/4, 4 = 1/2. The same seed and song position always make the same decision.

◆ Paidorg.sournd.performance.rippet

Hear it

Every parameter plays here, rendered on our server. Pick a test sound or your own file, move the dials or press Randomise, and switch bypass to compare.

Details

Engine id: org.sournd.performance.rippet
Category: Performance
Type: Stutter
Licence: £2.99 once, or in the subscription
Version: 1.0.0
Parameters: 10
Latency: none
Tail: 25 s
Sidechain input: no
Channels: mono or stereo

Parameters

The id is the C ABI parameter id and the JUCE parameter id (as a decimal string).

Id	Key	Name	Min	Max	Default	Unit	Taper
0	`interval`	Interval	0	4	2	-	linear
1	`offset`	Offset	0	15	8	1/16	linear
2	`repeat`	Repeat	0	4	1	-	linear
3	`gate`	Gate	1	64	4	1/16	linear
4	`chance`	Chance	0	100	50	%	linear
5	`pitch_decay`	Pitch decay	0	12	0	st	linear
6	`fade_db`	Fade	0	6	0	dB	linear
7	`seed`	Seed	1	64	1	-	linear
8	`tempo`	Tempo	40	300	120	bpm	linear
9	`mix`	Mix	0	100	100	%	linear

How it is made

Original sOURnd design: grid events from the bar-relative musical clock, a seeded hash of the event index against the chance, capture of one slice into preallocated memory while the live signal passes, then looped replay with per-repeat resampling ratio and gain, raised-sine edges and a live-path crossfade.

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CMake

cmake

juce_add_module(path/to/sournd_engine)
target_include_directories(MyPlugin PRIVATE path/to/include)
target_link_libraries(MyPlugin PRIVATE sournd_engine path/to/libsournd_cabi.a)

Three lines. Full steps: JUCE quick start.

C++ (JUCE)

cpp

#include <sournd_engine/sournd_engine.h>

sournd::SourndEngine engine { "org.sournd.performance.rippet" };
juce::AudioProcessorValueTreeState parameters { *this, nullptr, "Parameters",
    sournd::SourndEngineParameters::createLayout (engine) };
sournd::SourndEngineParameters bridge { engine, parameters };

// prepareToPlay
engine.prepare ({ sampleRate, (juce::uint32) maximumBlock, 2 });
bridge.prepare (sampleRate);
setLatencySamples ((int) engine.latency());

// processBlock
bridge.apply ((uint32_t) buffer.getNumSamples());
juce::dsp::AudioBlock<float> block { buffer };
engine.process (juce::dsp::ProcessContextReplacing<float> { block });

// get/setStateInformation: hold getCallbackLock() around saveState / loadState,
// so state work never overlaps processBlock (full example: /docs/juce/)

Plain C

sournd_engine *e = NULL;
if (sournd_engine_create("org.sournd.performance.rippet", &e) == SOURND_OK) {
    sournd_engine_prepare(e, 48000.0, 512);
    sournd_engine_set_param(e, 0, 2); /* Interval */
    sournd_engine_process(e, in, out, 2, frames);
    sournd_engine_destroy(e);
}

Ask your AI

Paste this into your coding assistant:

Prompt

Add the sournd engine org.sournd.performance.rippet to my JUCE plugin. Follow https://sournd.com/docs/juce/index.md
and the engine reference at https://sournd.com/engines/rippet/index.md. Expose every parameter through APVTS.