ZPEG Engine for x264 Cuts Video Data Rate by 21% Without Artifacts

With streaming video data rates, less is always more, unless of course, lower data rates mean visible artifacts. I just finished a review of the ZPEG Engine for x264, which produced bitrate savings of 21% without blocks, banding, mosquitoes, or other problems that would be noticeable by typical viewers. This was an average saving; the data rate reduction in some clip types, like movie clips, averaged 27.5%, with the data rate of some clips reduced by as much as 33%. The table below shows content-specific, genre-specific, and overall savings over a general-purpose library of clips. 

The ZPEG Engine will be offered as a technology upgrade to the x.264 codec. These tests are summarized in a report you can download below. The report was commissioned and funded by CoreCodec, Inc. an x264, LLC partner. Though test procedures were discussed in advance, positive results were not guaranteed.

Click here to download the report – ZPEG – Technology Report_final


About Jan Ozer

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I help companies train new technical hires in streaming media-related positions; I also help companies optimize their codec selections and encoding stacks and evaluate new encoders and codecs. I am a contributing editor to Streaming Media Magazine, writing about codecs and encoding tools. I have written multiple authoritative books on video encoding, including Video Encoding by the Numbers: Eliminate the Guesswork from your Streaming Video (https://amzn.to/3kV6R1j) and Learn to Produce Video with FFmpeg: In Thirty Minutes or Less (https://amzn.to/3ZJih7e). I have multiple courses relating to streaming media production, all available at https://bit.ly/slc_courses. I currently work as www.netint.com as a Senior Director in Marketing.

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