The redundancy in the keyword is intentional. It follows the Standard Naming Convention for Anime Releases (SNCAR).
Because the files are optimized, they don't require a powerful graphics card to decode. You can throw the entire series on a thumb drive, plug it into a TV, and watch the mind games between Light and L without stuttering or lag. The Legacy of Death Note in HD -bonkai77- Death Note -1080p- -MULTI-AUDIO- -x2...
of the original anime. Note that some community mirrors have reported episode #07 missing in specific old links, so verifying the full episode count is recommended. The redundancy in the keyword is intentional