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Grass Valley HQX Codec

High Quality Intermediate Codec

In any modern media production environment, you will almost certainly come across many different types of video formats. How these formats differ from one another is often based on the way the video signal is compressed in order to make it play back smoothly on a computer or other device. A codec is the key to deciphering each video format in order to achieve this.

Most codecs and their proprietary derivatives are created with only acquisition and delivery in mind, and achieve their efficiency by removing quite large chunks of temporal and color information. Also, for the most part, they are designed to run on a dedicated chip, not a computer, which means that they often take considerably...


  • Supported formats
    • DCI 8K, DCI 4K, QFHD, 2K, full HD, SD and others from 24 x 24 to DCI 8K resolutions
    • 60p, 60i, 30p, 24p and other frame rates
  • 10-bit, 8-bit variants
  • Alpha channel
  • Windows and Macintosh platform support
    • QuickTime, AVI, MXF wrapper
    • Encode and decode in either Macintosh or Windows applications
  • High quality
    • 4:2:2 color space
    • VBR bit-rate setting (maximum 768 Mb/s)
    • Intra-frame compression
    • Superior generation tolerance with little deterioration
  • Free distribution codec
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