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→Assigning files to a group when files may have been modified: 2nd The
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When determining whether a given file is a remux or not, it is not always clear, especially if the groups are obscure, the groups release anonymously, and/or the files in question are very old. Here are some common pitfalls/misconceptions: | When determining whether a given file is a remux or not, it is not always clear, especially if the groups are obscure, the groups release anonymously, and/or the files in question are very old. Here are some common pitfalls/misconceptions: | ||
* A watermark in the video cannot be relied upon when assigning groups; a reencode would keep the watermark of the original group, rather than reflect the reencoding group. | * A watermark in the video cannot be relied upon when assigning groups; a reencode would keep the watermark of the original group, rather than reflect the reencoding group. A watermark can generally confirm the original source, for the purposes of attribution in the [[Groupentries:Status#Animegroup_Release_Note_Comments|Animegroup Release Notes]]; we do not apply too much weight on this for determining who is the "last modified" group. | ||
* The names of tracks in the mkv metadata (e.g. name of the subtitle track) cannot be relied upon when assigning groups; mkvmerge by default keeps the existing track name, so if a remuxing group does not change it, the track name would be a false positive for the original group. The track name can generally ''help'' confirm the original source, for the purposes of attribution in the [[Groupentries:Status#Animegroup_Release_Note_Comments|Animegroup Release Notes]]; we do not apply too much weight on this for determining who is the "last modified" group. | * The names of tracks in the mkv metadata (e.g. name of the subtitle track) cannot be relied upon when assigning groups; mkvmerge by default keeps the existing track name, so if a remuxing group does not change it, the track name would be a false positive for the original group. The track name can generally ''help'' confirm the original source, for the purposes of attribution in the [[Groupentries:Status#Animegroup_Release_Note_Comments|Animegroup Release Notes]]; we do not apply too much weight on this for determining who is the "last modified" group. | ||