
Video Codecs Explained: H.264 vs HEVC vs AV1 for Streaming
Codecs decide how much data a stream needs and whether your device can play it smoothly. H.264, HEVC, VP9 and AV1 compared in plain English.
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Internet speeds, 4K, codecs and the settings that make live sport and movie nights look their best.

Codecs decide how much data a stream needs and whether your device can play it smoothly. H.264, HEVC, VP9 and AV1 compared in plain English.

A few minutes of setup makes films look the way their makers intended. Picture modes, HDR, clearer dialogue and on-demand features worth using.

Live sport is the hardest test for any stream. Frame-rate and motion settings, match-day prep, and how to live with (and hide) stream delay.

Resolution isn't the whole story. When 4K is visibly sharper, why HDR and frame rate often matter more, and what each quality level needs.

Recommended speeds per stream, the maths for several screens, and how to test properly — because the speed at your sofa is what counts.
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