Datavideo Corporation CG-300
Character Generator Software for SD & HD


The CG-300 is a Windows-based character generators designed for live production and post production. Different functions are assigned to different sub-programs. It will work with a Blackmagic Design Decklink or AJA Xena card, as a downstream keyer or as key and fill sources (depending on the card).

Features and Specifications

  • Support for resolutions from 320x240 to 1080i HD
  • Supports both downstream keying (DSK) and key & fill
  • Anti-aliased characters with leading, kerning and tracking, with two edge and three shadow styles for each character
  • 32-bit color support (with transparency). Color can be selected by adjusting RGB or HLS levels
  • Create smooth gradients between any 2 colors in the characters, edges, shadows, and shapes
  • Character attributes can be drawn with custom textures (marble, wood grain, etc). As many as 16 different textures can be used on each page
  • Up to 32 shapes per page. Each shape can be set to a solid color, semi-transparent color, a color gradient, or a texture. The shapes can be edged, colored, sized, italicized, and rotated just like text characters
  • Up to 16 full-color logos can be fine-positioned, overlapped, sized, etc. just like characters
  • 1000 Layers - Text, logos, and shapes can be placed on multiple layers, each independent of the others. Layers can be named
  • Support for BMP, JPG, GIF, PCX, TIF and TGA images.
  • Text Style Gallery - one button access to your 64 user-defined text styles
  • Typefaces - each page can use up to 25 Truetype different typefaces
    Character height - 600 to -600 scanline heights (negative heights make characters appear inverted)
    Character width - 10% to 500%
    Italicsangle - -45 to +45 degrees
    Rotation angle - -360 to +360degrees
    Character and edge blur - Variable from 2 (sharpest) to 12 (heavy blur). Blurs are independent of each other

Sub Programs

  • Display List Editor: Used to create and edit the list of images. Drag and drop your pages from the Title, Animation or Graphic Catalogs onto the Display List and create your playback sequence with ease
  • Preview Window: next screen preview; allows you to preview any particular page without going live with it
  • Media Catalogs: information is organized into Title, Animations and Graphic Catalogs
    The Title Catalog shows all your static text pages
    TheAnimation Catalog shows pre-rendered text and shape animations
    The GraphicCatalog shows non-CG graphic images
  • Title Composer: Create static and animated title pages using editable text, layers, graphic placements and shapes

Blackmagic Decklink HD Extreme Specifications

  • Video Inputs & Outputs: SD/HD SDI (10-bit), SD/HD component, S-Video, HDMI
  • Audio Inputs & Outputs: AES/EBU unbalanced 2 channel, up to 16 channels via HD SDI, up to 8 channels via SD SDI, 2 channels balanced XLR, 2 channels via HDMI
  • Supported Formats: NTSC, PAL, 720HD, 1080HD, 2K
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