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Mark Parker edited this page Jun 13, 2026 · 6 revisions

My device doesn't pick up the wake word or picks up too many false positives

Try adjusting the wake word threshold. It is default set to 6 but play around with it until it works the best. The lower the setting the more it will detect but becomes more suseptable to fale positives. The higher it is, the more likley background noise will stop it detecting. Also see diagnostics overlay section.


Can I use a custom wake word

You can utilise a custom wake word for OpenWakeWord and MicroWakeWord from v0.12 onwards. Prior to that only OpenWakeWord custom wake words were supported. See Custom Files


Can I use a custom wake word sound

From v0.12 onward. See Custom Files


I can't find the source code for the Android app

This is held in a different repository from the integration and can be found here


Can I launch an app on my Android device via VACA?

Yes, in the same function method as HACA supports. See this PR for details - https://github.com/msp1974/ViewAssistCompanionApp/pull/8

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