Consumer Control Room Equipment LCD Splicing Display Unit - Anhui Hefei Display

1. Adopting a 46 inch LED backlit LCD panel: single screen physical resolution
Rate 1920 × 1080, brightness ≥ 500cd/㎡, physical seam ≤ 3.5mm
Response time ≤ 8ms, standby power consumption ≤ 0.5W;
2. The LCD splicing unit must adopt an integrated built-in image processor
Absolutely cheating. The input interface meets the requirement of having at least 2 composite video input interfaces,
VGA input ≥ 1 channel, DVI input ≥ 1 channel, HDMI input ≥ 1 channel,
USB input ≥ 2 channels;
★ 3. Stability: The equipment operates continuously under normal working conditions
168h， There should be no electrical, mechanical, or operating system malfunctions; MTBF
Time ≥ 60000h; MTTR ＜ 15 minutes; LCD screen lifespan>100000
Hours, other components>60000 hours; Support RC intelligent adaptive control
Digital processing, through DLC (Dynamic Scene Control) and WLE (White Level Delay)
Extension and BLE (black level extension) adaptive control technology to improve the graph
Improve the contrast of images and enhance the depth of field effect; Support full screen white leveling
Balance correction, supports independent adjustment of 7 colors, precise color control, and skin tone
Correction function. Built in image processing engine, supporting seven types of RGBCMYF
Color brightness (IBC), hue (IHC), saturation (ICC) are unique
Make adjustments. Built in automatic color calibration system, capable of automatically adjusting color attributes
Consistency calibration; Support color gamut correction, perfectly restore image colors,
SRGB compliant with CIE1931 regulations; Support image frame interpolation motion compensation,
By using 3D frame insertion technology, multiple frames of images are inserted into each frame of the image to reduce
Reduce trailing, jagged edges, and pauses to improve the smoothness and fluency of the image;
Implement hierarchical control and management of LCD screens through permission grading management
(Provide third-party inspection with CMA or CNAS logo in the bidding documents)
Scanned or photocopies of inspection/testing reports issued by testing institutions;
4. The overall availability of the equipment is ≥ 99.99%, and the screen flatness is ＜ 0.15mm,
The protection level of the shell is IP54, and the noise in front of the screen is less than 10dB;
5. Horizontal resolution ≥ 1000TVL, brightness discrimination level ≥ 10,
Brightness uniformity ≥ 75%, image reproduction rate ≥ 95%, bandwidth ≥
120HMz；

High definition mixed video matrix
1. Support no less than 8x8 audio and video signal switching, using input
/Modular matrix host for output signal card, with hot swappable function;
2. The host and signal board can work continuously at full load for a long time without any faults
Operate continuously for 7 * 24 hours without interruption of power, ensuring no loss during power outages
Parameter and function settings;
3. Adopting FPGA architecture, internally built core computing mechanism, no internal
Embedded operating system, supporting bus switching technology and frequency doubling technology;
4、 支持 CVBS、YPbPr、VGA、DVI、HDMI、3G/HD/SD-SDI
Seamless input/output switching and transmission of signals, compatible with HDCP;
★ 5. Supports EDID management and manual EDID learning function, supports when
Front output channel status query function; Support automatic recognition of N formats and
PAL standard, with automatic line doubling function and accompanying audio input
Realize synchronous switching of audio and video; Equipped with anti-static design, it can effectively prevent
Prevent electric shock caused by personnel touching and discharging; Equipped with power-off memory function,
Power outage will not result in loss of parameters and functional settings (provided in the bidding documents)
Inspection issued by a third-party testing agency with CMA or CNAS logo/
Scanned or photocopy of the inspection report;
6. Supports no less than 35 resolutions, including 1920 * 1200
1080P@50Hz 、 1080P@30Hz 、 1080I@60Hz 、 1080I@30Hz 、
1366 * 768 720P@50Hz Equal resolution;
7. The HDMI signal input/output card supports up to 4K signal input/output,
Compatible with HDCP, supports HDMI embedded audio transmission, and has independent external audio
Frequency interface;
8. Supports saving and calling functions for no less than 20 scenarios, and supports group operations
Cut function;
9. Support front panel buttons, external control panel, remote control RS-232
Multiple control methods such as serial communication, LAN network control, etc., support local
With remote control mode, the front panel can be locked as needed to prevent