If you see pixelation or artifacting on your stream you may want to reduce this. B-Frames increase image quality but consume bitrate, which decrease image quality on movement. adventure games such as Tomb Raider) you can increase this to 4. 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, but struggles with high-motion content as it needs to change too often. 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. Enable Look-ahead: Unchecked for most content, checked for low-motion games.
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