Brand: Astrodesign
Programmable Video Signal Generator

Video signal generator, HDMI 1.4, CEC, HDCP, EDID...

The Astrodesign programmable Digital Video Generator VG-870B is suitable for Display Testing, evaluating picture quality, testing ramp patterns and Audio return Channel.

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Product specifications

Mer information
Manufacturer Astrodesign AST-VG-870-B


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Product description

Main Features


  • Test patterns of 3D format specified in HDMI 1.4 standards are supported.


  • ARC audio return process between VG and TV(HDMI SINK) can be tested.
  • ARC test pattern with the status of CDC (Capability Discovery and Control) on

CEC line and Audio information.

  • Audio output from coaxial connector can be used for checking on AV AMP or Audio Analyzer.


  • CEC (Consumer Electronics Control) commands communication is supported. The communication result is displayed in a test pattern.

DDC/CI / HDCP / EDI     

  • DDC/CI communication inspection functions, HDCP certification tests and EDID parameter patterns are displayed.

AAC / AC3 OPTION        

  • AAC(Dolby Digital) and AC3 digital audio that is supported by the latest flat panel display is supported.


  • In addition to AAC and AC3, HBR(High-Bit-Rate) and OB(One-Bit) audio that is defined in the HDMI
  • 1.3 is supported. By using the I2S interface, audio is embedded and output.
  • Compatible with the VG-849C-A “HBR/OB Audio
  • Compliance Tester” and compliance test software available as option.


  • The VG-870B/871B can set the delay time of audio and video in the range of 0±
  • The shift amount of the sync of the SINK device can be measured if it is within the range of the HDMI 1.3a standard (±500msec) or not.

Maximum 3 interface units can be selected.

  • HDMI various function supported (xvYCC/Deep Color/CEC/Lip Sync/HBR, One bit rate audio) (VM-1817/1822)
  • HDMI Lip Sync Testing Pattern (VM-1817/1822)
  • DVI Dual Link 330MHz dot clock frequency (VM-1814)
  • Analog 300MHz dot clock frequency supported. (VM-1811)
  • 4Kx2K Digital Cinema Format and Full HD 240Hz timing supported (VM-1824, VM-1824-A, VM-1825, VM-1826)
  • RGB 16-bit drawing
  • China standard monoscope pattern
  • Subtitle scrolling function
  • Windows based control and program edit software SP-8870
  • Terminal commands provided for PC control
  • 1000 programs are saved in a CF card. The internal memory (about 100MB) can also be used to save users’ own programs.

Note1: Specifications will differ from the selected interface and option.

Optional Items:

  • Uncompressed 10-bit moving picture function (VM-1819). Motion pictures are selected from VT-7001 Video Library for HDTV evaluation.
  • Next generation HDMI High Bit Rate audio (VT-8500-0006 or VT-8500-0008).
  • Image format converter (SP-8010). 8, 24, 36 and 48-bit TIFF data is converted to the file for ASTRO VG file format (VBM).
  • 8/10/12-bit Natural Pictures card for TV evaluation (VT-8001)
  • Chinese TV Inspection Pattern Library (VT-8500-0004)
  • Uncompressed 4Kx2K Picture Library VT-7004
  • 5 / 0.25 / 0.125 dot scroll option. APDC pattern (0.5 dot scroll) for moving picture resolution testing (APDC pattern is provided by Advanced PDP Development Center Corporation.)
  • Remote box RB-1870 (with program edit function) and RB-1871 (program selection only. For production operators use.)