I'm finding some of the disagreements under this comment frustrating. Movie people, please don't redefine what lossless actually means. If you find a way to enc

I'm finding some of the disagreements under this comment frustrating. Movie people, please don't redefine what lossless actually means. If you find a way to encode say a cryptographic key, or a text document, say, your employment contact, through the codec and then retrieve it back and it comes back garbled or useless, it's lossy! It doesn't matter if you can't see a difference with visual data, it has changed the data. That is lossy. That is what lossy means. That is what it has always meant and that is what it always will mean. And if you try to change the meaning for a narrow context driven by marketing, well, words cease to have a meaning, don't they.