Patch34: Brickwall Limiter

Impossible Geometry Series: ESCHER

Scripts and tools for REAPER. Useful, weird, and everything in between.

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Sample-peak brickwall limiter with a custom Escher-inspired JSFX interface. Part of the Impossible Geometry Series.

Features

• Sample-peak brickwall limiting
• Input gain control
• Output ceiling control
• Release time control
• Custom Escher-inspired vertical UI
• Built-in input/output peak display
• Gain reduction display
• Scalable JSFX graphics window
• No ReaImGui required
• No js_ReaScriptAPI required
• macOS & Windows compatible

Input

Adjusts signal level before limiting.

Range: -24 dB to +24 dB

Output Ceiling

Sets the limiter ceiling.

Range: -24 dBFS to 0 dBFS

Release

Controls limiter release time.

Range: 1 ms to 500 ms

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Metering

The interface includes:

• Input Peak — pre-limiter peak level
• Output Peak — post-limiter peak level
• Gain Reduction — amount of limiting applied

REAPER’s external JSFX host meters are intentionally hidden so the plugin can use its own custom visual layout.

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Demo

A short demo video is included here:

Open demo video

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Installation

Copy Patch34_Brickwall_Limiter.jsfx to your REAPER Effects folder:

macOS
~/Library/Application Support/REAPER/Effects/

Windows
%APPDATA%\REAPER\Effects\

Linux
~/.config/REAPER/Effects/

Then rescan JSFX in REAPER:

Options → Preferences → Plug-ins → ReaScript / JS → Re-scan

The plugin will appear as:

JS: Brickwall Limiter

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Workflow

1. Insert JS: Brickwall Limiter on a track.
2. Set Input to drive the limiter.
3. Set Output Ceiling to the desired maximum level.
4. Adjust Release until gain reduction feels natural for the source.
5. Watch the built-in peak and gain-reduction meters.

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Files

• Patch34_Brickwall_Limiter.jsfx — REAPER JSFX plugin
• assets/ui.png — README preview image
• assets/patch34-brickwall-limiter-demo.mov — short demo video

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License

MIT