Post AYBOJrukY4TS8eXQNE by grork@mastodon.social
 (DIR) More posts by grork@mastodon.social
 (DIR) Post #AYB27zNcldpgpIySZs by mjg59@nondeterministic.computer
       2023-07-29T05:37:41Z
       
       0 likes, 0 repeats
       
       Watching UK streaming media and the adverts have a kind of washed out hazy colour grading when compared to the actual show - does anyone know why?
       
 (DIR) Post #AYB2I0GgJwGaTbVBTM by mjg59@nondeterministic.computer
       2023-07-29T05:38:42Z
       
       0 likes, 0 repeats
       
       Is broadcast TV the same, or is this some sort of artifact of different compression or codec?
       
 (DIR) Post #AYB3POIXTZvQz9SPdQ by artemist@social.mildlyfunctional.gay
       2023-07-29T05:51:59Z
       
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       @mjg59 Are you streaming in HDR? It's possible that ads are incorrectly recolored to HDR which could cause issues like that.
       
 (DIR) Post #AYB5B6lS4KgMSZIY3U by gsuberland@chaos.social
       2023-07-29T06:12:37Z
       
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       @mjg59 probably an SDR/HDR thing. even if you're watching in SDR, the show itself is probably graded for HDR and the colour space is being converted.also US ads have a tendency to use really saturated colour for some reason, whereas UK ones don't.
       
 (DIR) Post #AYB95cBAkvn3yDxt1k by M0les@aus.social
       2023-07-29T06:55:55Z
       
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       @mjg59 I saw this in a lot of the AU streaming services, but they've been getting better. I don't know for sure, but I suspect the ad inserts are programmed and transcoded on a janky off-the-shelf system targeting computer screens. When I worked for TiVo/7 yonks ago, one of the potential workflow systems used some awful Windows-based transcoder that produced huge but awful output often looking like early Flash video. Fortunately they eventually got someone to design a TV centric system, but never got the idea of needing their own content.
       
 (DIR) Post #AYBCFxz2qHfQLzv6Ia by pdt@mastodon.sdf.org
       2023-07-29T07:31:26Z
       
       0 likes, 0 repeats
       
       @mjg59 it's a feature
       
 (DIR) Post #AYBOJrukY4TS8eXQNE by grork@mastodon.social
       2023-07-29T09:46:32Z
       
       0 likes, 0 repeats
       
       @mjg59 platform/channel? I don’t notice this, except with cheap US ads redubbed for the UK
       
 (DIR) Post #AYBz0LtX4LvbdKWegK by zachnfine@mastodon.social
       2023-07-29T16:36:43Z
       
       0 likes, 0 repeats
       
       @mjg59 Is your program by chance in dolbyvision HDR? Could be the metadata stream accidentally left out the content mapping data for the commercials so you’re just seeing them kind of raw.
       
 (DIR) Post #AYC3PYpIWgOknRoxIu by dickon@splodge.fluff.org
       2023-07-29T17:26:56Z
       
       0 likes, 0 repeats
       
       @mjg59 That used to be a thing because TV uses values in the range 16-235 per channel, rather than 0-255, and you get washed-out colours if you misconvert.  I wonder if HDR upscaling has done this.