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I’m not sure why some and not others (I’m sure it’s connected to scaling of some sort, but strangely it doesn’t seem to be determined by the resolution of graphic, as some that are HIGHER res than sequence get pixelated sometimes, while some others that are lowered and being scaled up do not), but it happens. I’ve found that if I don’t check “Use Maximum Render Quality” in export settings when exporting, that SOME of my graphics/images end up pixelated. Hello Larry, thank you for all your work over the years helping us editors! Given the number of effects that are now GPU accelerated, there is no benefit to using Maximum Bit Depth, because that is used by the GPU automatically. In that case, turn Maximum Render Quality on. When exporting from Premiere, leave both these options off unless you are scaling images larger and seeing jagged lines on the edges of your images. When creating a new sequence in Premiere Pro CC, make sure both options are turned off. In Adobe Media Encoder, which handles all exports from Premiere, make sure that the Video Renderer is set to Metal (or the soon to ship Metal 2). As of this time, scaling is still CPU-based, and only effects calculated using the CPU are affected by this setting. The only reason to turn it on is if you are scaling your images – up or down – and see jagged edges on clearly defined diagonal lines. If you have a GPU, this, too can be turned off. If you have a GPU, Maximum Bit Depth is irrelevant as you’re already getting that performance if applicable to your media. The short answer is: As Adobe migrates toward more GPU-based effects both of these options are quickly becoming unnecessary. But, what do they do and when do you use them?
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These settings can be applied to individual sequences or an entire export. Because of this, these two render options appeared many years ago and have been confusing editors ever since. However, converting Premiere from CPU-based effects to GPU-based effects is neither simple or fast. Since then, as GPUs took over the rendering load from CPUs, editing has gotten much, MUCH faster! A GPU is optimized for rendering digital images quickly in a way that a CPU just can’t. And, at the time, I thought that was amazingly fast!) (I still clearly remember adding a Gaussian Blur to a clip in Premiere 4, back in 1998, that took 30 seconds to blur a single frame of video. And, as you can imagine, that took a long time. In the beginning, before GPUs existed, all video scaling and rendering was done by the CPU.