Volcano Engine Developer Services

Jul 7, 2021 · Operations

Achieving Near‑Zero First‑Frame Delay in Video On‑Demand

This article explains the end‑to‑end video‑on‑demand architecture, defines first‑frame latency, presents QoS/QoE metrics, and details practical optimizations—including pre‑rendering, node selection, decoder initialization and reuse, and player‑logic tweaks—that reduce first‑frame time to under 100 ms for a seamless user experience.