38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
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# EP Sample Tool — offline Mac launcher
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This folder contains a local snapshot of Teenage Engineering's EP Sample Tool for
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personal offline use with an EP-133. The browser talks directly to the connected
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device over USB MIDI SysEx; sample data is not sent through an internet service.
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## Start it
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Double-click **EP Sample Tool Offline.app**. The small wrapper stays open so the
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local server remains available; quit it from the Dock when you are finished.
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For a visible launcher log, double-click **Launch EP Sample Tool.command**, or run:
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```sh
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npm start
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```
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Keep the launcher window open while using the tool. Chrome will ask for permission
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to use MIDI system-exclusive messages the first time. Connect and power on the
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EP-133 before approving that prompt.
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The launcher binds only to `127.0.0.1` on a random port. It requires Google Chrome,
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Chromium, or Microsoft Edge because Safari/WKWebView does not currently expose the
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Web MIDI API used by the EP tool.
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## Included offline
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- The current EP Sample Tool JavaScript and CSS
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- Audio conversion/tagging WebAssembly modules
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- The EP-133 factory-content pack used by factory restore
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- The app font and images
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The snapshot was taken from
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`https://teenage.engineering/apps/ep-sample-tool/` on 2026-07-12. It is not an
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official Teenage Engineering desktop application and will not update itself.
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Run `npm run verify` to check that all expected local assets are present.
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