#dash

1 articles

01 ·Media in Production·FREE·10 min read HLS and DASH — How Video Actually Reaches You Streamed video does not flow — a player downloads small files a few seconds long, one after another. What segments and manifests really are, the arithmetic behind how a player picks a rendition, where latency comes from, how low-latency modes cheat it, and why none of it works without a CDN.