Video & Audio Codec Primer

This post is not intended to explain the video in a comprehensive manner but rather to distill important pieces of knowledge that are relevant to TipTip needs.


Compression is a lossy process to shrink the size of the media, video in this case, to ensure the video can be streamed appropriately according to the user device’s requirements. This process removes information; in a simple example, If two frames are basically identical, we can get rid of the data for one frame and replace it with a reference to the previous frame. Video compression has a lot of techniques; encoding is one of them.

wait, we can do lossless right? yes – but the file high likely is still too large for TipTip use case (and might not make sense anyway).

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