But if you're looking for deep file analysis, Zond 265 is the better option. Verdict: The Telestream Switch is better if all you want are bitrate graphs and GOP structure views. How much: Essential Edition, $391 Full Edition, $1,390įun fact: Zond 265 can provide frame details like the percentage of compression achieved via inter- and intra-frame encoding and can identify reference frames used for each frame encode and the percentage of reference pictures each provided. Others are useful primarily for codec developers and encoding vendors, such as the ability to validate HEVC files and visualise details like the HRD buffer and prediction partitions. Some functions benefit all users, including the ability to display both data-rate and GOP views and compute Video Multimethod Assessment Fusion (VMAF), Multi-Scale Structural Similarity (MS SSIM), and peak signal-to-noise ratio (PSNR) scores. There are two versions: Essential Edition, which supports HEVC but doesn't offer a command line ($391), and Full Edition, which supports HEVC, AVC, AV1, and MPEG-2 files via the GUI or command line ($1,390). What: A deep file-analysis tool that runs on Windows, Mac, and Linux. Still, it's the cheapest option for viewing GOP structure and data rate of files that Bitrate Viewer doesn't support. Verdict: I wish Telestream offered a version with just the file visualisation tools and not the fancy production capabilities (captions, audio volume, export), which many streaming producers don't use. Figure 3 shows the file encoded with the Medium x264 preset on the left and Veryfast on the right. You can see the drag bar handle on Zoolander's face. It can inspect a ton of containers and codecs, including HEVC, but not AV1.įun fact: It can load two files at once and allow you to toggle between them or show them side by side. Telestream offers three versions ($9.99, $199, and $499), and you'll need the $499 version to get the GOP view shown in Figure 3 and the data-rate view. What: A Windows/Mac tool that can play your video, show file details like GOP structure and data rate, and check loudness and caption details. These tools allow you to analyse files that Bitrate Viewer doesn't and provide much more detail. ![]() Verdict: The operating system and file compatibility limitations are frustrating, but you should install this programme on every Windows computer It also displays file resolution frame rate and minimum, maximum, and average bitrate.įun fact: You can zoom into the display with your mouse wheel to better view frame details. What: A Windows-only tool that shows the per-frame or per-GOP size and average data rate for MPEG-2 and H.264 encoded files (but not for HEVC, AV1, or later codecs). Verdict: This tool should be installed on every computer in your office and home. ![]() See it in action: bit.ly/SM_MI_BV (YouTube video) Your pointer over any file in Windows Explorer and view basic audio/video The tool is free and available for Windows, Mac, Ubuntu, iOS, Android, and many other operating systems. What: A file-analysis tool that identifies key encoding configuration details like audio/video codec, profile, bitrate, resolution, frame rate, audio channels, and sampling rate. There are two in this category: MediaInfo and Bitrate Viewer. If a tool is free and serves a useful purpose, there's no reason not to have it on every computer that supports it. If you sell a tool that you think we should have considered but didn't, please let us know and we'll take a look. If you're seeking to learn about tools that you should buy for your own use, please use it as a starting point. ![]() This guide is meant to be comprehensive but not exhaustive. This guide identifies the functions you need as well as the tools that can supply them, how much they cost, and where to get them. You can't effectively perform as a compressionist without tools that reveal critical details about your encoded files, whether they are basics like codec, resolution, and data rate or are deep-level elements like group-of-pictures (GOP) structure and quality levels.
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