Bilibili Tech

Jan 16, 2024 · Industry Insights

How Bilibili Cuts Video Bandwidth: Theory and Practice of Transcoding Optimization

This article analyzes the fundamental goals of video transcoding, presents an information‑theoretic framework for bitrate reduction, compares traditional and deep‑learning codecs, and shares Bilibili's practical system design, parameter‑decision strategies, and visual‑quality‑aware optimizations that dramatically lower bandwidth consumption.