What is HDR?HDR (High Dynamic Range) is an image which has a wide range between bright and dark areas (dynamicrange).It is technology that faithfully reproduces the reality, like the sparkles or details in the darkness thatcould not be expressed in the conventional SDR (Standard Dynamic Range), and the rich natural colors.Theinternational standard of HDR is regulated by ITU-R (International Telecommunication Union RadioCommunication Division) BT.2100,and has evolved in many respects from the conventional full HD standardITU-R BT709.
HDR technology can reduce crushed shadows and blown out highlights, expanding the images expressiveness.
Q: Why in HDR do you see the parts you could not see in SDR?
A: In HDR, the four elements that create the beauty of the image are dramatically improved!
Four Elements to create High Image QualityThere are four major factors that influence the image quality.The HDR standard HDR 10 faithfully reproduces the reality by achieving High Resolution, High Brightness, WideColor Gamut and High Gradation compared to conventional SDR, combined with a wide dynamic range.
① The Resolution is different! (Fine-grained image)
Resolution is expressed by the number of pixels. As the pixel count increases, the number of pixels that can bedrawn on the same area increases,improving the details of the image that can be expressed.Current Hi-Vision2K is 1920×1080, 4K is 3840×2160, 8K is 7680×4320.As the number of pixels increase, the image detailincreases.
2K（1920×1080） 4K（3840×2160） 8K（7680×4320）
② The Brightness is different! (Brightness of image)
Brightness refers to the range of brightness that can be expressed. Generally, the range of brightness (dynamicrange) that the human eye can perceive is said to be 10 , but in conventional SDR it could only display up tothe range of 10 . However, by spreading the dynamic range with HDR, it has become possible to capture thebrightness of 10 , that is 100 times more than the conventional SDR. You can also display the details of thesparkles and dark shadows at the same time.
12
3
5
③ The Color Gamut is different! (Color range that can be expressed)
The color gamut indicates the range of colors that can be expressed. The color gamut of BT.2020, which is astandard adopted for UHD Blu-ray Disc or 4K/8K broadcasting,covers wider color range than BT.709 used inconventional full high vision broadcasting. It is possible to express colors richly, such as the natural gradation ofthe sky and the sea, contrast of the deep red roses and the fresh green trees, which were difficult to reproducein the past.
④ Bit depth(gradation) is different! (Fine reproduction of Color, Gradation)
Bit depth represents the number of colors a pixel can display. The higher the bit depth, the more colors can bedisplayed, and the gradation becomes smoother. You can enjoy vivid colors and fine natural gradations.With8bit display approximately 16,77 million colors can be reproduced, approx. 1,07 billion colors with 10bit, and inthe case of 12bit display, approx. 68,7 billion colors can be reproduced.
8bit（approx. 16.77 million colors） 10bit（approx. 1,07 billion colors）～12bit（approx.68.7 billion colors）
Summary of HDRIn HDR, the four elements of high image quality are dramatically improved over conventional SDR,so it ispossible to reproduce a wide range of information like the image below.
* Each explanatory image, photo is for illustrative purposes only.
Features of JVC ProjectorJVC projectors can realize High Contrast and Wide Dynamic Range in addition to High Resolution, HighBrightness, Wide Color Gamut and Smooth Gradations.You can enjoy it's powerful, immersive and beautifulimages not only for movies but in various video contents such as sports, music, documentary etc.
High Contrast and Wide Dynamic Range
In addition to D-ILA's unique characteristic of High Native Contrast, JVC projector has High Brightness of2000lm,which can express significantly wider dynamic range compared with general projectors.
General Projector JVC Projector
NativeContrast
10,000:1 or less 160,000：1
Brightness 1,800 lm 2,000 lm
Wide Color Gamut
The color gamut indicates the range of colors that can be expressed. The color gamut of BT.2020, which is astandard adopted for UHD Blu-ray Disc or 4K / 8K broadcasting,covers wider color range than BT.709 used inconventional full high vision broadcasting. It is possible to express colors richly, such as the natural gradation ofthe sky and the sea, contrast of the deep red roses and the fresh green trees, which were difficult to reproducein the past.
General Projector JVC Projector
ColorSpace
BT.709(sRGB) DCI
4K 18G Full spec signal compatibility
Compared to conventional SDR, the PQ gamma curve adopted for HDR10 rises more steeply in the brighterarea, so signal depth (bit) correspondence is important to avoid visible banding effects.Also, since 4K HDRstreaming contents that are expected to expand, will mostly become 4K60p contents so the full-spec (18G)correspondence that can accept 4:2:2 12bit input even at 60p becomes very important.No worries with JVC,equipped with a chip set compatible to 18 Gbps for all models.We can realize vivid colors and natural gradation.Also, we support HDCP2.2 which enables playback of copyright protected content like video streaming contentsand UHD Blu-ray etc.
General Projector JVC Projector
HDMImax
4K60p 4:2:0 10bit (10.2Gbps)max
4K60p 4:4:4 8bit /4:2:2 12bit (18Gbps)
HDCP 2.2 2.2
* Each function and specification varies depending on the product. For details, please visit the product page.* Each explanatory image, photo is for illustrative purposes only.
JVC Original HDR FunctionJVC projectors are equipped with a number of unique functions for customers to easily enjoy High Quality HDRimages.
Auto HDR Picture mode
HDR standard content will not be displayed at the best quality unless you watch it in the HDR compatiblepicture mode.When content such as UHD Blu-ray or video streaming content is input, it automatically switches to HDR Picturemode.You can enjoy HDR images easily without the fuss to make manual adjustments of picture mode.
*Only HDR 10 signal is supported. In the case of the HLG (Hybrid Log-Gamma) method, manual switching is necessary.
Original HDR image
Without HDR Picture Mode
The gamma does not fit, and the whole image isfade out, resulting in a blown out image.
JVC Auto HDR Picture Mode
It switches to the Picture Mode with optimum colorgamut and HDR gamma curve.
HDR10 Mastering Information Display
Mastering information included in software can be displayed when playing HDR 10 content such as UHD Blu-ray.With this information, you can confirm that HDR content is reproduced, and based on the information ofMax CLL and Max FALL, you can enjoy custom adjustments by adjusting the picture tone accordingly to thecontent.
*It may not be displayed depending on content or player.
Fine Tuning HDR Gamma
In addition to the Picture Tone, the dark areasand the bright areas can be adjusted respectively.The settings can be adjusted according to thecontent, environment, and customer taste so youcan enjoy creating the optimum setting only foryourself.
Setting of Picture Tone using the Mastering Information
The initial setting value of the picture tone is set to the value of Max FALL 400nits recommended by HDR10.By adjusting the Picture tone with reference to the MaxFALL value of the mastering information,you can adjustthe brightness to match the content.
* Figures are reference values base on screen size 90-120
inches, gain 1.0, in dark environment.If screen size is
larger than 120inches, or when the room is bright please
shift the Picture Tone in the + direction according to your
preference.
* After adjustment of picture tone, you can further adjust
the Bright Level / Dark Level as you like. Please enjoy
creating your original custom images.
Picture Tone（-16 ～ +16）
-12 -5 0 3
Max FALL 10,000 nits 1000 nits 400 nits 200 nits
* Each function and specification varies depending on the product. For details, please visit the product page.* Each explanatory image, photo is for illustrative purposes only.
