…Why would you write a comment like this assuming I don't know what 4:2:0 is when I know what a wavelet is? It doesn't have the same effect because the origina

…Why would you write a comment like this assuming I don't know what 4:2:0 is when I know what a wavelet is? It doesn't have the same effect because the original high frequency details are correlated and so they're preserved in the Y channel.