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"Visually lossless" isn't really lossless. What it actually means is "we're pretty sure you won't notice", which is probably correct but isn't a claim that shou
by wtallis 5y ago
"Visually lossless" isn't really lossless. What it actually means is "we're pretty sure you won't notice", which is probably correct but isn't a claim that should be accepted at face value.
- lsaferite 5y agoWhich is precisely why I included the "claimed" part in my statement. I don't know enough about how the compression works to know one way or the other definitively.
- account42 5y agoTo put it another way, there is no such thing as general lossless compression - to make some data smaller without losing any information your new representation has to make other data larger. You can limit that "larger" to 1 bit but you will still have some cases where the compressed data is definitly not smaller than the source so it will not help you with cases like this where there is a hard upper limit on how much data you can transport.
- fomine3 5y agoVESA/display manufacturers should provide various DSC examples for consumer, rather than just saying "virtually lossless".