# How is HDR filter determined?

**URL:** <https://forums.plex.tv/t/how-is-hdr-filter-determined/885374>\
**Category:** Plex Players\
**Tags:** plex-web\
**Created:** [August 15, 2024, 8:30pm UTC](https://forums.plex.tv/t/how-is-hdr-filter-determined/885374 "2024-08-15T20:30:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![EricD1973](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/ericd1973/32/81776_2.png) [@EricD1973](https://forums.plex.tv/u/EricD1973)\
**Post date:** [August 15, 2024, 8:30pm UTC](https://forums.plex.tv/t/how-is-hdr-filter-determined/885374/1 "2024-08-15T20:30:13Z")

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I’m trying to filter my movie collection on HDR files and there are some in the result that are not HDR. What is plex keying on to determine that?

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**Author:** ![EricD1973](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/ericd1973/32/81776_2.png) [@EricD1973](https://forums.plex.tv/u/EricD1973)\
**Post date:** [August 16, 2024, 2:38pm UTC](https://forums.plex.tv/t/how-is-hdr-filter-determined/885374/2 "2024-08-16T14:38:45Z")

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Update to this:

If you replace an HDR file with a non-HDR file, Plex will still include it in the HDR filter. You have to do the [Plex dance](https://forums.plex.tv/t/the-plex-dance/197064) to completely treat the file as a new movie to get the HDR tag off it.

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [November 14, 2024, 2:39pm UTC](https://forums.plex.tv/t/how-is-hdr-filter-determined/885374/3 "2024-11-14T14:39:04Z")

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