Doubao TTS Requires in . Set for the default voice, or pass to the tool. Current API Use the new-console API key flow: Do not use and with a new-console API Key. If the API returns , the key type or auth header is probably wrong. For long-form video narration, prefer the async endpoint: This returns plus timing metadata that can be used to build subtitles. OpenMontage Usage Generate with the TTS selector: Or call the provider directly: The provider writes: - : downloaded audio file - : full query response JSON, defaulting to Recommended Workflow 1. Generate a 10-15 second sample before a full…