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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.gridelle
Category: EQ
Type: Graphic
Licence: £2.99 once, or in the subscription
Version: 1.0.0
Parameters: 32
Latency: none
Tail: 0.3 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	Unit	Taper
0	`band_1_db`	20 Hz	-12	12	dB	linear
1	`band_2_db`	25 Hz	-12	12	dB	linear
2	`band_3_db`	31.5 Hz	-12	12	dB	linear
3	`band_4_db`	40 Hz	-12	12	dB	linear
4	`band_5_db`	50 Hz	-12	12	dB	linear
5	`band_6_db`	63 Hz	-12	12	dB	linear
6	`band_7_db`	80 Hz	-12	12	dB	linear
7	`band_8_db`	100 Hz	-12	12	dB	linear
8	`band_9_db`	125 Hz	-12	12	dB	linear
9	`band_10_db`	160 Hz	-12	12	dB	linear
10	`band_11_db`	200 Hz	-12	12	dB	linear
11	`band_12_db`	250 Hz	-12	12	dB	linear
12	`band_13_db`	315 Hz	-12	12	dB	linear
13	`band_14_db`	400 Hz	-12	12	dB	linear
14	`band_15_db`	500 Hz	-12	12	dB	linear
15	`band_16_db`	630 Hz	-12	12	dB	linear
16	`band_17_db`	800 Hz	-12	12	dB	linear
17	`band_18_db`	1 kHz	-12	12	dB	linear
18	`band_19_db`	1.25 kHz	-12	12	dB	linear
19	`band_20_db`	1.6 kHz	-12	12	dB	linear
20	`band_21_db`	2 kHz	-12	12	dB	linear
21	`band_22_db`	2.5 kHz	-12	12	dB	linear
22	`band_23_db`	3.15 kHz	-12	12	dB	linear
23	`band_24_db`	4 kHz	-12	12	dB	linear
24	`band_25_db`	5 kHz	-12	12	dB	linear
25	`band_26_db`	6.3 kHz	-12	12	dB	linear
26	`band_27_db`	8 kHz	-12	12	dB	linear
27	`band_28_db`	10 kHz	-12	12	dB	linear
28	`band_29_db`	12.5 kHz	-12	12	dB	linear
29	`band_30_db`	16 kHz	-12	12	dB	linear
30	`band_31_db`	20 kHz	-12	12	dB	linear
31	`output_db`	Output	-12	12	dB	linear

How it is made

Original sOURnd design blending general techniques: cascaded constant-Q RBJ peaking biquads on the base-2 third-octave series, bands out of the path at 0 dB.

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C++ (JUCE)

cpp

#include <sournd_engine/sournd_engine.h>

sournd::SourndEngine engine { "org.sournd.eq.gridelle" };
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/)

sournd_engine *e = NULL; if (sournd_engine_create("org.sournd.eq.gridelle", &e) == SOURND_OK) { sournd_engine_prepare(e, 48000.0, 512); sournd_engine_set_param(e, 0, 0); /* 20 Hz */ sournd_engine_process(e, in, out, 2, frames); sournd_engine_destroy(e); }

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

Gridelle

Hear it

Details

Parameters

How it is made