Zond 265 is a very useful file analysis tool.
Zond 265 is a very useful file analysis tool.

Solveig Offers Free Tier for Zond 265 File Analysis Tool

Zond 265 is a very useful file analysis tool, but like all such tools, it’s a bit pricey. Now, there’s a free version that might meet your needs.

I’ve been a longtime user of Zond 265, the powerful tool from Solveig Multimedia for in-depth analysis of HEVC, H.264, AV1, AVC, and MPEG-2 video bitstreams. While Zond 265 has been invaluable for my work, its price point can be a barrier for many non-corporate users.

Recently, I interviewed Dmitry Vergeles, the CEO of Solveig Multimedia, about a free version of Zond 265. This could be useful for independent producers, educators, and researchers who need advanced video analysis tools without the high cost. You can watch the full interview on YouTube here or below.

During our conversation, Dmitry and I covered the key aspects of Zond 265. To recount, the software runs on Windows, Mac, and Linux operating systems and supports HEVC, AVC, AV1, MPEG-2, and EVC input files, with VVC coming.

During the interview, Dmitry walked me through the full functionality of Zond 265, highlighting features such as visual analysis of video streams, debugging capabilities, and the ability to check video quality and encoder settings. This comprehensive tool is designed for video codec developers, streamers, educators, and forensic analysts and offers deep insight into video bitstreams.

I use it to confirm encoder settings, so when I ask for three b-frames, one reference frame, and a GOP size of 60, I can verify that the encoder accurately produced this. It’s also useful for visualizing bitrate allocation, frame type and order, and which frames a particular frame references (you can see the frame type view in the featured image above).

Here are some of the key functionalities that Dmitry showed in the YouTube video:

  • Visual in-depth analysis of video bitstreams for multiple codecs.
  • Debugging capabilities to identify and solve video stream issues.
  • Quality checking tools to evaluate video quality and encoder settings.
  • Support for navigating video streams by decoding order, output order, and frame-by-frame analysis.
  • Detailed visualization of prediction partitions, transform units, and motion vectors.

We also discussed what the free version includes and its limitations. The free version is designed for non-commercial users and is particularly useful for universities, PhD students, and R&D purposes. It’s limited to 1080p files and smaller, and most advanced screens are unavailable. You get the frame type view (shown in the figure above), which AFAIK isn’t available in any other free tool and is invaluable for encoder checking. You also get the bitrate view, which some other free tools also have, but not with the same precision. Click here to view a PDF that contains the differences between the versions.

There’s no verification process for eligibility, making it accessible to a broad audience. Just visit here, scroll to the bottom of the page, click Download, fill in the required information, and within a minute or two you will receive an email with the download link.

I’ve found Zond 265 to be highly useful in my consulting and writing work. You should check it out and see if it meets your needs. With the introduction of this free version, more users can now benefit from the advanced video analysis capabilities that Zond 265 offers.

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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