Technical Strategies and Achievements of Alibaba Entertainment 2019 Double‑11 Cat Night Live Streaming

Alibaba Entertainment’s 2019 Double‑11 Cat Night live stream combined FPGA‑based H.265 transcoding, smart‑profile QoE adaptation, Dolby Atmos audio and frame‑aligned multi‑view video to deliver ultra‑HD 4K60 streams at 35% lower bandwidth cost, achieving zero failures, zero degradations and over 99.99% service availability.

Dolby AtmosFPGAVideo Encoding

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Technical Strategies and Achievements of Alibaba Entertainment 2019 Double‑11 Cat Night Live Streaming

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.

Dolby Atmosedge-cloudglobal scale

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