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by account42 969 days ago
It's more like .zip (which technically supports more compression algorithms and not just deflate) as the outer container format is the same for both Vorbis in .ogg and OPUS in .ogg (more commonly with the .opus extension) unlike tarballs where the archive format is wrapped by the compression format so a .tar.bz2 and a .tar.gz look nothing alike until you remove the compression.