New answers tagged compression
Youtube generally reencodes all videos you upload to youtube to ensure compatibility across various platforms and to provide smaller versions of the videos for users with slow internet connections. So yes, both the video and the audio stream of your video file will be compressed and reencoded when you upload it. If someone uses a third party tool to download ...
When exporting from Premiere there is a checkbox that says "match sequence settings" which will use the same format as your source video. The "best quality" checkbox is Premiere does not refer to the codec, but to the internal scaling algorithms.
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