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Description

Type
Rating
Comments
Grass Valley HQX, as an intermediate codec, is specifically designed for editing and post-production: Can withstand re-encoding without significant quality loss. Is built for high speed and low-CPU usage. Allows accurate inter-frame cuts (not grouped around keyframes). Has well-defined chroma characteristics. It is available for both Windows and Macintosh platforms, handles many different video resolutions up to and including 8K (DCI), incorporates an alpha channel for graphics handling, and is available in 8-bit and 10-bit versions. The Grass Valley Codec Pack includes/allows you to import and export video files that use the Grass Valley HQ, Grass Valley HQX, Grass Valley Lossless, and Grass Valley DV codecs.

Freeware
OS:Windows Mac
Version:7.31.2939
Released:Jul 24,2014
File size:36MB
9.3/10
2 votes

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Grass Valley HQX Codec screenshot
Click to enlarge screenshot
Latest version

7.31.2939 (July 24, 2014)




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Download Grass Valley HQX Codec 7.31.2939 64-bit  [36.0MB]  [Win64]




Download Mac and other versions

Download Grass Valley HQX Codec Mac version  [501.9KB]  [Mac]




Download old versions


Download Grass Valley HQX Codec old versions




Supported operating systems

WinWindows MacMac OS




License

Freeware




More information and other downloads





Version history / Release notes / Changelog


v7.31.2939

Features added in this version (from v7.30)

Added support for DaVinci Resolve 11

Issues fixed in this version (from v7.30)

Color space conversion does not work properly if a HQX QT file that is over the full-HD frame size is converted to RGB color space
If certain applications encode to a non-alpha channel HQX file, the encoded file has black frames
If certain applications decode a HQX file that contains an alpha channel, noise appears over the parts of the video that are transparent
*Transparent part is painted with black

View full changelog




All features


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

Resolution: 24 x 24 to 8192 x 4320 (DCI 8K)
Frame rate: unlimited
Color depth:
8-bit
10-bit
Color space: YUV 4:2:2
Alpha channel: Yes
Wrappers:
AVI
QuickTime
MXF
Compression:
VBR (45 to 768 Mbps)
Intra-frame
Supports user custom settings




Sections/Browse similar tools






Guides and How to's




Acronyms / Also Known As

HQX Codec, Grass Valley Codec Pack, Grass Valley HQX Codec, Grass Valley HQX, Grass Valley Lossless




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2 reviews, Showing 1 to 2 reviews

Good free option to use for an intermediate format.
Works great with 4k and UHD.



Jul 21, 2015 Version: 7.31 OS: Windows 8 64-bit Ease of use: 8/10 Functionality: 8/10 Value: 10/10 Overall: 8/10



Superb intermediate intraframe codec. Win7 or 8 only. Doesn't work with XP or Vista. Easiest to use with Grass Valley AVCHD2HQ converter utility (also freeware from Grass Valley). Works well with Virtualdub.


Jun 28, 2015 Version: 7.31.2939 OS: Windows 7 Ease of use: 10/10 Functionality: 10/10 Value: 10/10 Overall: 10/10


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