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[家电] 明基的廉价4K投影出了,居然只要9999

posted by wap, platform: iPhone
还是上奥图码uhd660吧


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引用:
原帖由 slowargo 于 2017-12-13 19:22 发表
抖动4k是什么鬼
抖动不是提升颜色数的么
提升分辨率不是叫插值么...
和插值不一样
引用:
在展会主楼层之外一个私人会议室,Texas Instruments德州仪器软性公布了一枚令人神往的全新0.7英寸“4K”DLP芯片,用于大众消费产品。该芯片拥有415万微镜,是标准1080p芯片像素的两倍,传统的原生4K器件像素的一半。然而,有一个让人着迷的小插曲。通过一些未曾公布的私有黑科技,TI能够利用闪电般快速的DMD反应时间,让器件上的每个微镜在银幕上定义两个单独的像素。因此简而言之,虽然这个器件只有415万微镜,但投射的图像拥有830万个独立像素,或者说原生4K。
http://www.reviewtranslations.com/post/ti_new_4k_dlp_chip.html
引用:
Texas Instruments was off the main floor in a private meeting room doing a soft unveiling of a fascinating all-new 0.7" diagonal "4K" DLP chip that is intended for mass consumer products. This chip has 4.15 million mirrors, which is twice the pixels of a standard 1080p chip, and half the pixels of a traditional native 4K device. However, in this case there is a fascinating new wrinkle. Through some undisclosed proprietary magic, TI is able to take advantage of the lightning quick DMD response times by enabling each mirror on the device to define two discrete pixels on the screen. So in short, though the device has 4.15 million mirrors, the projected image has 8.3 million discrete pixels, or native 4K.
http://www.projectorcentral.com/cedia-2015-review.htm?page=TI%27s-New-4K-DLP-Chip
引用:
但是新的4K DLP芯片真的是原生4K芯片吗?毕竟,它只有415万微镜,而不是原生4K 3840x2160显示所需要的830万。难道它是在以Epson和JVC对3LCD 4K增强投影机所做的那样,以同样的方式进行了像素偏移?答案既是Yes,又是No。相似之处在于:它们都依赖于顺序刷新中的像素的光学对角线偏移,使得第二次刷新时,像素的一部分被重叠。因此,对于每一帧,基本图像和偏移后的图像都被显示出来。这发生得如此之快以至于眼睛将它们融合成一幅图像。当你在看电影时,不会意识到这个处理过程。
http://www.reviewtranslations.com/post/4k_dlp_projectors.html
引用:
But is the new 4K DLP chip really a genuine native 4K chip? After all, it has only 4.15 million mirrors, not the 8.3 million that is required for native 4K 3840x2160 display. Is it doing pixel shift in the same way that the 3LCD 4K enhanced projectors from Epson and JVC are doing?

The answer is yes and no. The similarities are these: They both rely upon an optical diagonal off-shifting of the pixels on sequential refreshes so that there is a partial overlapping of the pixels on the second pass. So a base image and an off-shifted image are both displayed for each frame. This happens so fast that the eye blends them into one image. As you are watching a movie there is no awareness that this is going on.
http://www.projectorcentral.com/4k-dlp-projectors.htm

[ 本帖最后由 lostcup 于 2017-12-13 20:28 编辑 ]



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  • sensui 激骚 +1 恭喜发财 2017-12-14 16:19

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posted by wap, platform: iPhone
引用:
原帖由 @behire  于 2017-12-15 09:54 发表
这个价格不可能是真4k,现在最便宜的真4k应该是Sony 那个268
参考我34L的科普,如果能通过单像素测试,我认为称为真4k没什么问题,何必纠结透镜的像素


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