Audio Track: Leave it at 1 for default you can add more audio tracks if you are using more sources.If you uncheck the Look-ahead option, reduce this to 2 B-Frames. This is not recommended, as NVENC is already very efficient and the little gain you can get from using a second card is lost by having to copy the frame to the second GPU. If you have 2 GPUs in your system, you can select which one is used to encode. This enables the Rate Distortion Optimization in the encoder, which greatly optimizes the way you use bitrate, improving image quality on movement. This feature is CUDA accelerated toggle this off if your GPU utilization is high to ensure a smooth stream. Look-ahead enables the best of both worlds. B-frames are great because they increase image quality, but they consume a lot of your available bitrate, so they reduce quality on high motion content. This allows the encoder to dynamically select the number of B-Frames, between 0 and the number of B-Frames you specify. HEVC: Set to main if you are going to stream in HDR, verify the profile is set to main10.It doesn’t impact performance and gives access to a set of features that are key to streaming, so this should always be set to High. Profile determines a group of settings in the H.264 Codec. Multipass Mode: Set to Two Passes (Quarter Resolution).Preset: Select P6: Slower (Better Quality).Streaming platforms may limit what you can select here, and most require a setting of 2. Keep in mind that some platforms have a maximum bitrate (i.e. Bitrate: Enter the bitrate appropriate for your Upload Speed, as we discussed in the previous section.This determines the rate at which frames are going to be encoded. Enforce Streaming Service Encoder Settings: Leave this checked, this will ensure that if you enter a wrong value by mistake it gets corrected.This gives you access to all the settings. But H.264 has the most compatibility with apps, so if you experience any issues with the other 2 you may want to fall back to this one. AV1 provides the best quality, followed by HEVC, and last by H.264. Encoder: For local recordings you want to make sure that the format you record in is readable by the application you will use the file in.
Recording Quality: High Quality typically works for most users, but you can change this to Indistinguishable Quality if you have enough disk space or are going to do short videos (about 60 seconds).Make sure the hard drive you select has enough space! Recording Path: This is the directory where the videos will be saved.If you are trying to execute several encodes at the same time you may want to reduce this present as to not overload the encoder. Most users should use P6: Slower (Better Quality). Encoder Preset: The preset determines the quality of the encode, at a cost of performance for the encoder.
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For Twitch, select Hardware (NVENC, H.264).Encoder: Here we will select what hardware will be used to encode, and with what codec.Bitrate: Enter the Bitrate appropriate for your Upload Speed, as we discussed in the first section.If you want an easy, out of the box configuration, then do the following: You may want to consider streaming at a lower bitrate and resolution to lower the bandwidth required to see your channel. This is important if your viewers are on mobile phones or their internet speed is not as fast. Twitch only offers guaranteed transcoding to Partners non-partners may receive transcoding depending on server load. Transcoding allows a viewer to view your video on a different resolution, thus requiring a lower bandwidth. Note for New and Upcoming Streamers to Twitch.For example, for Fortnite, many streamers decide to stream at 1280x720 60 FPS at 6,000 Kbps, down from 1920x1080. If you reduce the resolution, you reduce the data being encoded, and the resulting viewer quality is better. High motion content cannot be compressed as much, and can suffer from more artifacting (encoding errors) that make your stream look “blocky”. Racing games, FPS games, etc.) we highly recommend reducing your resolution. If you are going to stream high motion scenes (i.e. Important Note for High Motion Content.
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