Glintfoil

New light on the surface.

Harmonic exciter: adds new overtones above a chosen frequency rather than boosting what is there. Harmonics sets the drive, colour leans the new overtones odd (bright, edgy) or even (sweet, open), and amount blends them in.

◆ Paidorg.sournd.eq.glintfoil

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.eq.glintfoil
Category: EQ
Type: Exciter
Licence: £2.99 once, or in the subscription
Version: 1.0.0
Parameters: 5
Latency: 15 samples (0.3 ms at 48 kHz)
Tail: 0.05 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	`frequency_hz`	Frequency	1000	12000	3000	Hz	log
1	`harmonics_pct`	Harmonics	0	100	50	%	linear
2	`colour_pct`	Colour (odd to even)	-100	100	0	%	linear
3	`amount_pct`	Amount	0	100	25	%	linear
4	`output_db`	Output	-12	12	0	dB	linear

How it is made

Original sOURnd design blending general techniques: a 24 dB/oct high-pass side band, 2x oversampled odd (hyperbolic tangent) and even (squared tangent) waveshapers, a second high-pass to remove DC and low products, and a latency-matched dry path.

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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.eq.glintfoil" };
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.eq.glintfoil", &e) == SOURND_OK) {
    sournd_engine_prepare(e, 48000.0, 512);
    sournd_engine_set_param(e, 0, 3000); /* Frequency */
    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.eq.glintfoil to my JUCE plugin. Follow https://sournd.com/docs/juce/index.md
and the engine reference at https://sournd.com/engines/glintfoil/index.md. Expose every parameter through APVTS.