Chroma 2238 Video Pattern Generator

Chroma 2238 Video Pattern Generator

Kategori: Video Pattern Generator Tersedia
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Penerangan

Chroma 2238 Video Pattern Generator

Key Features
  • Support 8K Super Hi-Vision (7680x4320/8192x4320)
  • Independent graphics core for 8K Super Hi-Vision pattern with less than 200 msec. switch time
  • Up to 4 signal modules per unit
  • Up to 4 resolution and pattern outputs.
  • 7 inch 1024x 600 high-resolution touch panel, GUI interface
  • BMP file format support
  • USB 3.0 data access
  • Gigabit Ethernet high-speed network interface
  • HDMI 2.1 Signal (Optional)
    • FRL (Fixed Rate Link) Mode
    • 3 / 6 / 8 / 10 / 12G Mode
    • 3 / 4 Lane Mode
    • RGB 4:4:4 / YCbCr 4:4:4, 4:2:2, 4,2,0
    • HDCP (High-Bandwidth Digital Content Protection) version 2.3, 2.2, 1.4
    • DSC (Display Stream Compress) version 1.2a
    • EDID / eARC / SCDC / HDR 10 / HLG format
    • 8K BMP file format
  • HDMI 2.0b Signal Module (Optional)
    • 8K x 4K 60 Hz (4 HDMI port)
    • 4K x 2K 60 Hz (1 HDMI port)
    • Pixel rate up to 600MHz (6Gbps TMDS rate)
    • RGB 4:4:4 / YCbCr 4:4:4 or 4:2:2 or 4:2:0
    • HDCP 2.2 / 1.4
    • Wide color gamut (ITU-R BT.2020/DCI-P3)
    • HDR (High Dynamic Range) Testing (HDR infoframe & metadata / EOTF)
    • SCDC (status & control data channel) Reader
  • DisplayPort 1.4 Signal Module (Optional)
    • 8K x 4K 60 Hz (2 DP port)
    • 8K x 4K 30 Hz (1 DP port)
    • 1.62 / 2.7 / 5.4 / 8.1 Gbps per lane
    • HDCP 2.2 / 1.3
    • DPCD (Display Port Configuration Data) Reader
    • MST (Multi-Stream Transport) Testing
Chroma 2238 Video Pattern Generator is capable of providing 8K SHV display testing. A modular design with built-in high-speed independent graphics core provides standard test signals and patterns for the required resolutions. This unit supports the latest high-definition multimedia interface including HDMI ,DisplayPort, 12G SDI and USB-C. Equipped with a 7 inch touch panel and a friendly graphical user interface, allows users to view and edit patterns directly on the device screen. Complete test functions and an easy-to-operate interface make it suitable for a variety of R&D and production test as well as quality verification in all video related industries.

8K Super Hi-Vision Application

Featured in modular design, the 2238 Video Pattern Generator is capable of providing 8K Super Hi-Vision (7680 x 4320 / 8192 x 4320) resolution for testing. Full 8K at 30/60 Hz resolution is supported by one single module (via a HDMI Display Port), and up to 4 modules can be installed and configured as required for all testing application to 8K.

Multi-Out Function
  • Independent graphics core modular design
  • Up to 4 modules providing independent timing and pattern outputs
Gigabit Ethernet / USB 3.0 Interface
  • Gigabit Ethernet control & USB 3.0 data transfer
  • Remote test setup and data upload/download via internet network
  • IP address configuration enables users to control/monitor test device status
  • USB 3.0 ultra-high speed data transmission interface with bandwidth up to 5Gbps
Instant Pattern View / Touch panel
  • Instant pattern view function: “what you see is what you get”
  • Icon pattern editing allows users to edit and create patterns directly on the touch panel
  • 7 inch touch panel with resolution of 1024 x 600
  • Intuitive and user friendly operation
Graphic User Interface
Comprehensive Library of Test Patterns and Functions
Operation Panel description
Front & Back

A223800 12G-SDI Signal Module
A223801 DisplayPort Signal Module
A223802 HDMI Signal Module
A223803 Analog Signal Module
A223804 USB-C Signal Module  
A223805 HDMI Signal Module
A223806 DVI Signal Module
A223809 Audio Test Module
A223812 HDMI 8K Media Player Module
 
DSC Function VPG Master Software
Users can fit the Chroma 2238 with up to 4 different signal modules to output DSC (Display Stream Compression) for a range of test applications:

DSC (Display Stream Compression) is a function developed by Video Electronics Standards Association (VESA) and it supports VESA DSC version 1.2a with a maximum compression ratio of 4:5:1 at 12 BPC (Bits Per Color). DSC allows users to transmit a larger amount of data using the same bandwidth. Without DSC, the DP (DisplayPort) 1.2a specification supports output up to 8K@30Hz with 4:4:4 encoding at 8 bits. When DSC is enabled, the resolution and color depth can be raised to 8K@60Hz with 4:4:4 encoding at 12 bits.

DSC adopts a software compression method which enables users to conveniently set the DSC parameters and compress images through Chroma 2238’s VPG Master software. The images can be previewed in real time when using the software.

The software comes equipped with 37 industry-standard DSC images for immediate use. Users can also import external test images (Bitmap, Jpeg, Tiff, and Portable Pix Map) and store up to 100 images compressed in accordance with DSC parameters.

With the VPG Master software, users can set BPP (Bits Per Pixel) and BPC (Bits Per Color/Component) to 8 / 10 / 12 bits each, providing a variety of compression ratios for users to set up their own test applications.

Users can set the number of horizontal and vertical cuts (Picture Parameter Set) for the test image.

  • Horizontal: 1 / 2 / 4 / 6 / 8/ 10 / 12 / 16 / 20 / 24
  • Vertical: 1 / 2 / 4 / 8

'Slice' technology reduces distortion after compression during DSC encoding, with various combinations of cutting methods providing users with a range of testing conditions and applications.

VPG Master software supports 5 video output modes: RGB / YCbCr / simple_422 / native_422 / native_420.

With the Read DSC Capabilities function, users can manually set the module placement Slot and DP Port to be read. After pressing the Read button, the VPG Master software will automatically load the DSC parameters of the sink under test (shown in the dotted orange box below) to help users understand the DSC capabilities of the device.

Users can input their own text string (up to 31 characters) onto the displayed picture, customize its font, size, color, and position, and preview the content and position of the string in the customized test chart section. The edited image can be directly downloaded to Chroma 2238, and can then be used to assess whether DSC has been enabled as well as its compression parameters.

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