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OBS 23 is live: How to get better livestreams with Nvidia’s encoder https://ift.tt/2tAY9Hg Setting up a high-quality livestream is an expensive and complicated task, but Nvidia is working to address that by partnering with popular livestreaming tool developer Open Broadcasting Software (OBS). Traditionally, the quality goal for a broadcaster on Twitch or YouTube is to encode a live video with the CPU-powered X.264 encoder at “medium” speed. This creates an image where text is sharp and motion looks smooth. The problem is that this is so taxing on the CPU that it will either cause your game to run slower or you will need a second PC dedicated exclusively to encoding the livestream. Nvidia, however, has long had an alternative called NVENC (Nvidia encoder) that it built into its graphics cards. This option transcodes video on the GPU instead of the CPU, and it does so with a much smaller performance hit to your games. This has also had its problems, however. In the past, NVENC never looked as sharp or smooth as X.264 at medium at the upload bitrate that Twitch supports. But Nvidia has updated its NVENC tech in its latest generation of video cards. The RTX GPUs now broadcast live video at a quality level that matches or exceeds X.264 in most cases — even at lower bitrates. Now, in partnership with Nvidia, OBS has launched version 23.0 of its tool that includes a more efficient version of NVENC. You can download OBS 23.0 right here. While RTX cards, including the $350 RTX 2060, all have the improved hardware NVENC, Nvidia and OBS also squeezed new optimizations for every recent generation of GeForce GPUs. If you are running a GeForce 600-series or newer, you will see improvements in OBS 23.0. How to set up OBS 23 to get better Twitch streams with NVENCSo you have an Nvidia GPU and you want to get better livestreams. Here’s what you need to do to ensure you get the most from your broadcast.
These settings will work best on RTX cards, but you should probably start here with older GTX models as well. If you need to make adjustments, start with the Preset. Reduce “Max Quality” to “Quality” and then to “Performance.” This will reduce the load on your GPU. Also, if you’re playing a game with very little motion, like a strategy game, you can check the “Look-ahead” option. This changes the B-frame dynamically, which can be useful for getting sharper quality from low-motion games. Alternatively, if you are playing a non-competitive slower game like Tomb Raider or Assassin’s Creed, you can turn up the “Max B-Frames” from 2 to 4. B-Frames use a ton of bitrate, so fewer is better for fast-moving shooters like Apex Legends. But they can improve quality in something that has a more leisurely pace. Business via VentureBeat https://venturebeat.com February 26, 2019 at 01:15PM
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9/25/2020 08:50:42 am
Informative Blog :)
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