The audio engine automatically chooses the optimal voice pipeline based on current network bandwidth and content sensitivity:
| Content Tier | Optimal Engine | Fallback Engine (Offline) |
|---|---|---|
| Sacred / Indigenous Lore | ElevenLabs Custom Voice Model | High-Quality On-Device TTS |
| Historical & Folklore | ElevenLabs Standard / Streaming | On-Device TTS (flutter_tts) |
| Commercial / Bakery / Pubs | Device Native TTS | On-Device TTS |
The AI output includes:
rain_on_windshield, 1920s_jazz, eerie_wind_loop)