HDFURY X4

Description

HDfury X4 is now capable of converting 1080p HDR to 1080p SDR for perfect streaming while gaming in 4K HDR, for ambient light solution or for capture and display needs.

The difficulty with this HDR to SDR conversion actually does not lie in the algorithmic mapping of HDR PQ signal into the SDR domain but the fact that the result video even when converted with just PQ conversion does not look the same on TV.
Its clear that when a HDR tv goes into HDR mode, it activates processing that is not uniform across different TVs. the image appears somewhat different between HDR TVs based on our experiments.
Therefore, said from another point of view, what you see on HDR TV – when converted back to SDR – does not appear similar on different 1080p screens because the HDR image already was different.
Also, different HDR sources are mastered for different target nits. Some for 1100 / 1400 or 4000 or 10000 nits. Regular SDR is 300nits. So converting and scaling from a moving target into 300nits is another issue. Sometimes image is darker and sometimes lighter.

Input

1 x HDMI v1.4 (DVI 1.0 compatible)
12-bit deep color HDMI native support
Automatic Input Format Detection: Digital YCbCr and RGB

Output

Digital HDMI / DVI-D and/or VGA FEMALE output connector, 10 bit analog resolution.
HDCP supported (Integrated HDCP decipher engine, Pre-programmed HDCP key)
Horizontal shift capability for RGB output mode
Enabled with a dip-switch, applied with push-buttons
Output horizontal and vertical sync polarity selector for RGB modes (dip switch)
Digital Output format: Either HDMI or DVI-D
11-bit 225MHz DAC processing (for true 10-bit analog output)
Two separate Internal EDID EEPROM with complete CEA861 extension block, Dip-switch selectable
One EDID supports all formats
The other EDID is up to 1080i, and no 24Hz support (by default, reprogrammable)
Full BTB and WTW support in YPbPb output
Automatically switches color-spaces for both HDTV and SDTV
Precise black levels – no black crush in any standard mode
Integrated RGB Color Space Converter for both RGB-to-YCbCr and YCbCr-to-RGB (both 601 and 709) with true 12-bit accurate data using 14-bit processing
4:2:2 <> 4:4:4 converter with 12-bit accurate data using 14-bit processing
Analog Output format
Either RGB or YPbPr, dip-switch selectable
YPbPr requires VGA->3RCA breakout cable
All HD/SDTV formats from 1080p down to 480i, NTSC and PAL
ncluding 1080p @ 72Hz PAL and NTSC (for RGB output only)
Including 1080p @ 24Hz PAL and NTSC

Industry-Standard Compliance

HDMI 1.4
EIA/CEA-861E
DVI 1.0
HDCP 1.1

Digital Video Input / Output

Dual integrated HDMI 1.4 cores
Supports DTV resolutions up to 1080p @ 72Hz or 720p/1080i @ 120Hz with 36-bit color depth.
Flexible digital video interface:- 24/30/36-bit RGB/YCbCr 4:4:4- 16/20/24-bit YCbCr 4:2:2- 8/10/12-bit YCbCr 4:2:2 (ITU-R BT.656)

Digital Audio Output

HDMI audio passthrough
Industry-standard S/PDIF output
Supports 2-channel 32-192kHz stereo audio
Supports IEC60958 2-channel PCM
Capable of passing IEC61937 compressed audio (5.1 Dolby® Digital, DTS, etc.)
7.1 Dolby® True HD & DTS Master Audio

Dual purpose audio output connector

SPDIF digital output for 5.1 Dolby/DTS
Analog L/R 2-channel stereo

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