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1 articles
01
2026-08-25
·
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.