2026-08-14 01:30:58 +02:00
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# BEAMGRID
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A JUCE-based VST3 / AU spectrum analyzer with a fully black UI, teal accents,
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and a configurable display.
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## Features
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- **Three display modes** (top-right `MODE` knob):
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- **BARS** — classic log-spaced spectrum bars with peak-hold caps.
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- **SPECTRUM** — a smooth (quadratic-spline) waveform trace of the spectrum,
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with a matching smooth peak-hold wave. Use the `SMOOTH` knob to go from
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raw/edgy to heavily smoothed.
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- **LED** — an LED-meter style view (`LEDS` knob sets LEDs per bar).
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- **Frequency range** fixed to **20 Hz – 20 kHz**.
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- **HUE** knob rotates the hue of every UI accent (knob arcs, peaks, title)
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without altering the underlying data.
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- **UI scaling** dropdown (75% – 300%) in the top-right.
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- Per-project **size & scale persistence** (stored in the plugin state).
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## Parameters
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| Knob | Range | Description |
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|-------------|------------------|-----------------------------------------------|
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| PEAK GRACE | 0 – 2000 ms | Grace period before a peak-hold marker decays |
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| PEAK FALLOFF| 0 – 1 | Peak-hold decay rate |
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| BAR FALLOFF| 0 – 1 | Spectrum bar release speed |
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| BARS | 8 / 16 / 32 / 64 / 128 | Number of spectrum bands (snaps) |
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| HUE | 0 – 1 | Rotates the UI accent hue (0.5 = no change) |
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| MODE | 1 / 2 / 3 | BARS / SPECTRUM / LED |
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| LEDS | 4 – 48 | LEDs per bar in LED mode |
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| SMOOTH | 0 – 1 | Waveform smoothing amount in SPECTRUM mode |
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2026-08-14 02:06:05 +02:00
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| GRID | 0 – 1 | Grid (frequency/level) visibility / brightness|
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2026-08-14 01:30:58 +02:00
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## Building
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Requires [CMake](https://cmake.org/) (>= 3.22) and a JUCE-supported
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toolchain (Xcode / clang on macOS, MSVC / GCC on Windows, etc.). JUCE is
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fetched automatically by CMake.
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```sh
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cmake -B build -G Ninja
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cmake --build build --config Release
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```
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The built plugins are installed to your system plugin folders:
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- `build/BEAMGRID_artefacts/Release/VST3/BEAMGRID.vst3`
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- `build/BEAMGRID_artefacts/Release/AU/BEAMGRID.component`
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Then rescan in your DAW (FL Studio, REAPER, Logic, etc.).
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## Project layout
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```
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Source/
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PluginProcessor.cpp/.h Audio processor + parameter layout
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PluginEditor.cpp/.h Editor UI, knobs, layout
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Analyser.h/.cpp FFT analysis, banding, peak-hold
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AnalyserComponent.h Drawing (BARS / SPECTRUM / LED)
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BeamgridLookAndFeel.h Black/teal styling, hue rotation, rotary drawing
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```
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## License
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See the repository license file.
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