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嗨,万纳,
当然,这是一张说明问题的图片。 在图片中,您可以看到3个典型Facebook帖子的捕获。 第一个是Facebook帖子的屏幕抓取,第二个是捕获RGB限制范围生效时的渲染方式。 当使用Thunderbolt 3-to-DisplayPort电缆将其输出到外接显示器时,这是从我的显示器中获取的。 为了进行比较,第三次捕获显示了本机HDMI端口在同一显示器上的渲染页面,其中RGB全范围打开。 对不起,质量低但我不得不拍摄我的显示器的实际照片,以显示它实际呈现的方式。 正如您所看到的那样,文本气泡和一些阴影完全消失并显示为纯白色,因为灰色的RGB值为R:239 G:241 B:243(图中也显示) 超出限制范围的235 RGB值。 这对于观看有限范围的视频来说可能是好的,但它不适合实际的PC使用,例如需要准确色彩再现的图形编辑,网页设计等。 这是一个严重的问题,我不明白为什么英特尔不仅允许在英特尔图形芯片上设置外部显示器的RGB范围。 intel_rgb_limited_range.png 6.9 MB 以上来自于谷歌翻译 以下为原文 Hi Wanner, Sure, here is a picture that illustrates the issue. In the picture you can see 3 captures of a typical Facebook post. The first is just a screen grab of the Facebook post, the second is a capture of how it's rendered when RGB limited range is in effect. This was taken from my monitor when it was output to the external monitor with the Thunderbolt 3-to-DisplayPort cable. For comparison the third capture shows the rendered page on the same monitor from the native HDMI port with RGB full range turned on. Sorry for the low quality but I had to take actual pictures of my monitor to show how it's actually rendered. As you can see the text bubbles and some drop shadows completely disappear and show up as pure white due to the fact that the RGB values for the gray color are R: 239 G: 241 B: 243 (also shown in the picture) which fall above the 235 RGB value of the limited range. This may be fine for watching videos which are limited range as-is but it's inadequate for actual PC usage like graphics editing, web design etc that require accurate color reproduction. This is a serious issue and I can't see why Intel don't just allow to set the RGB range for external monitors on Intel graphics chips.
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6个回答
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您好matang,感谢您的回复。我将对此问题做进一步研究。此外,您是否尝试过将其他USB Type-C用于HDMI或DP-HDMI适配器?Wanner G.
以上来自于谷歌翻译 以下为原文 Hello matang, Thank you for your response. I will do further research about this issue. Besides, have you tried using other USB Type-C to HDMI or DP-to-HDMI adapters? Wanner G. |
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jerry1978 发表于 2018-11-1 07:51 谢谢万纳。 我没有任何其他适配器。 作为参考,这些是我使用的适配器: Vantec Vlink USB-C转HDMI 2.0 4K / 60Hz视频转换器(CB-CU300HD20) https://www.amazon.com/Vantec-Vlink-USB-C-Converter-CB-CU300HD20/dp/B074XBWR69 电缆问题USB C到DisplayPort电缆(USB-C到DisplayPort电缆/ USB C到DP电缆) Amazon.com:电缆问题USB C到DisplayPort电缆(USB-C到DisplayPort电缆/ USB C到DP电缆)支持4K 60Hz W ... 我认为第二个甚至不被认为是适配器,它只是一条电缆,将原生DisplayPort输出从USB-C(Thunderbolt 3)端口传输到DisplayPort连接器。 它们都在RGB有限范围内产生相同的结果。 我不确定为什么DisplayPort会主要用于支持RGB全范围的PC显示器时输出RGB限制范围。 再次感谢,请更新我的研究结果。 以上来自于谷歌翻译 以下为原文 Thanks Wanner. I don't have any other adapters. For reference these are the adapters I used: Vantec Vlink USB-C to HDMI 2.0 4K/60Hz Video Converter (CB-CU300HD20) https://www.amazon.com/Vantec-Vlink-USB-C-Converter-CB-CU300HD20/dp/B074XBWR69 Cable Matters USB C to DisplayPort Cable (USB-C to DisplayPort Cable/USB C to DP Cable) Amazon.com: Cable Matters USB C to DisplayPort Cable (USB-C to DisplayPort Cable/USB C to DP Cable) Supporting 4K 60Hz W… The second one I believe isn't even considered an adapter, it's just a cable that transfers the native DisplayPort output from the USB-C (Thunderbolt 3) port to a DisplayPort connector. They both produce the same result with RGB limited range. I'm not sure why DisplayPort would output RGB limited range when it is mainly used for PC monitors that should support RGB full range. Thanks again, please update me with the results of your research. |
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你好马当, 谢谢您的回复。 我想补充一点,我们创建了一个新线程继续与您合作解决此问题。 由于每个系统配置都不同,我们认为最好有一个单独的线程。 请填写以下信息并附上报告。 报告图形问题所需的信息 -Intel SSU报告(英特尔®系统支持实用程序)。 -DxDiag *报告。 -DispDiag。 万纳G. 英特尔客户支持技术人员 根据与英特尔公司的合同 以上来自于谷歌翻译 以下为原文 Hello matang, Thank you for your reply. I would like to add that we created a new thread to continue working with you to address this issue. Since every system configuration is different, we think that it is better to have a separate thread. Please fill out the following information and attach the reports. Required information for reporting Graphics issues -Intel SSU report (Intel® System Support Utility). -DxDiag* report. -DispDiag. Wanner G. Intel Customer Support Technician Under Contract to Intel Corporation |
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Hellomatang,请提供上述要求的信息。我们很乐意为您提供帮助.Wanener G.Intel客户支持技术人员与英特尔公司签订合同 以上来自于谷歌翻译 以下为原文 Hello matang, Please provide the information requested above. We will be glad to assist you. Wanner G. Intel Customer Support Technician Under Contract to Intel Corporation |
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tunkanxi8082 发表于 2018-11-1 08:34 你好Wanner_Intel, 我上周五通过电子邮件将信息发送给您,因为我不愿在公共论坛上发布敏感系统信息。 只要它是私密的,我会很高兴以任何其他方式发送给你。 谢谢, 马坦 以上来自于谷歌翻译 以下为原文 Hello Wanner_Intel, I sent the information to you in an email last Friday since I'm reluctant to post sensitive system information in a public forum. I'll be happy to send this to you any other way as long as it's private. Thanks, Matan |
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LGmark 发表于 2018-11-1 08:50 Hellomatang,我没有收到你的电子邮件。 我会给您发送一封电子邮件,以便您尽快回复。 但是,请记住,我们将通过我们的英特尔®Communities.WannerG.Intel客户支持技术人员向英特尔公司发布合同。 以上来自于谷歌翻译 以下为原文 Hello matang, I did not receive your email. I will send you an email so that you can reply at your earliest convenience. However, keep in mind that we will be posting any update via our Intel® Communities. Wanner G. Intel Customer Support Technician Under Contract to Intel Corporation |
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