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--- ubuntu:video:about_video [2023/06/06 23:14] – created peter
+++ ubuntu:video:about_video [2023/06/06 23:15] (current) – peter
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 ====== Ubuntu - Video - About Video ======
+Almost all the video is compressed.
+Raw, uncompressed video is just too big and would waste too much bandwidth.
+Common compression:
+  * MPEG-1: Used for Video CDs
+  * MP3: Part of the MPEG-1 standard, ubiquitous today
+  * MPEG-2/H.262: Used for DVD and other digital mediums
+  * MPEG-4 Part 10/H.264: Used in Blu-ray
+  * MPEG-H/H.265: The next generation encoding format with support for 4K and 8K resolutions
+After H.264 came H.265. It also has a few other names, most commonly High Efficiency Video Coding (HEVC) or MPEG-H.
+H.265 doubles the data compression ratio compared to H.264 and can support resolutions up to 8192×4320.
+This means that video at the same quality needs only half of the bandwidth (or file size).
+Alternately, it means that the quality of the video can be substantially improved at the same bit rate, something very important for very high definition (i.e. 4K and 8K) displays,