Graniel

Echoes cut into grains and scattered.

Granular echo: the delayed sound is cut into short grains, scattered in time by Spray, pitched and panned, and layered at the chosen density, from a shimmering cloud to a stuttering glitch. Feedback feeds the cloud back into itself; Freeze (on above half) stops recording so the grains keep playing the held sound. Sync: 0 = free, 1..13 = 1/32 to 1 bar.

◆ Paidorg.sournd.delay.graniel

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.delay.graniel
Category: Delay
Type: Granular
Licence: £2.99 once, or in the subscription
Version: 1.0.0
Parameters: 12
Latency: none
Tail: 60 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	`time_ms`	Time	10	2000	250	ms	log
1	`sync`	Sync	0	13	0	-	linear
2	`grain_ms`	Grain	10	500	80	ms	log
3	`density`	Density	1	80	20	Hz	log
4	`pitch`	Pitch	-24	24	0	st	linear
5	`pitch_random`	Pitch random	0	12	0	st	linear
6	`spray_ms`	Spray	0	1000	40	ms	linear
7	`feedback`	Feedback	0	0.9	0.2	-	linear
8	`freeze`	Freeze	0	1	0	-	linear
9	`width`	Width	0	1	0.7	-	linear
10	`tempo`	Tempo	40	300	120	bpm	linear
11	`mix`	Mix	0	100	40	%	linear

How it is made

Original sOURnd design: a stereo delay line read by up to 24 overlapping raised-cosine grains scheduled at a jittered rate, each with a random extra delay, a resampling slide for pitch (clamped inside the recorded span), random pan within a width, density-normalised output, a low-passed feedback path and a record-enable freeze.

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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.delay.graniel" };
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.delay.graniel", &e) == SOURND_OK) {
    sournd_engine_prepare(e, 48000.0, 512);
    sournd_engine_set_param(e, 0, 250); /* Time */
    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.delay.graniel to my JUCE plugin. Follow https://sournd.com/docs/juce/index.md
and the engine reference at https://sournd.com/engines/graniel/index.md. Expose every parameter through APVTS.