Chinese narration: Microsoft zh-CN-XiaoxiaoNeural, Standard Mandarin (Simplified Chinese), female synthetic voice. Generated 6 November 2026. No real person voice clone.
Voice reference: https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=text-to-speech
Original procedural ambient instrumental composition retained; no third-party music sample. Music is reduced beneath narration.