Youku Technology

Nov 21, 2019 · Industry Insights

How Alibaba Delivered a Global 4K Dolby‑Atmos Live Stream to 200+ Countries

Alibaba Entertainment’s 2019 Double‑11 "Cat Night" showcased a suite of cutting‑edge streaming technologies—including multi‑angle frame alignment, Dolby‑Atmos audio, low‑latency SRT transport, smart bitrate, edge‑cloud distribution, and a zero‑loss quality‑assurance system—that enabled a seamless 4K experience for viewers in over 200 countries.