@SGebauer willkommen in der Nextcloud Community 
es fehlen leider wichtige Informationen zu deinem System, siehe support template. gerne kannst du deine erste Anfrage einfach editieren und die nötigen Informationen nachtragen 
leider keine Erfahrung auf diesem Gebiet, kann dich aber in die richtige Richtung stubsen →
Installation
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Make sure the Nextcloud Talk app is installed.
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Make sure the High-Performance Backend (latest or released after September 2025) is installed and configured in Nextcloud Talk settings. See the Nextcloud Talk install manual for more information.
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Setup a Deploy Daemon in AppAPI Admin settings.
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Install the live_transcription app via the “Apps” page in Nextcloud, or by executing
occ app_api:app:register live_transcription \
--env LT_HPB_URL=wss://cloud.example.com/standalone-signaling/spreed \
--env LT_INTERNAL_SECRET=1234 \
--wait-finish
Important
The environment variables LT_HPB_URL and LT_INTERNAL_SECRET must be set in the Deploy Options during installation, and the High-Performance Backend must be functionally configured in Nextcloud Talk settings for the app to work.
Changing these environment variables after installation is possible through a re-installation of the app after uninstalling it first.
- Install a Text-to-text task processing provider app for translation capabilities from the “Backend apps” section here.