Adolfo Rozenfeld
Forum Replies Created
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Rich, I’ve written many times recently about that.
You can check the list of messages I replied to, but bottom line is: if you have at least 2 GB of RAM per core on your machine (for example, at least 8 GB of RAM for a quad core CPU), you can enable “Render Multiple Frames Simultaneously” in Preferences > Memory and multiprocessing, and leave everything at default values. Some exceptions are when you don’t have enough RAM, have unusually large comp sizes or sources, or want to keep some resources for other tasks.Adolfo Rozenfeld · Adobe
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Rich: I am not sure why this could happen. I do know that audio only previews are played back in real time, on the fly, whereas audio in RAM previews is rendered when building the preview. So in one of the cases, audio sampling rate may be an issue.
Adolfo Rozenfeld · Adobe
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There probably is an audio sample rate mismatch with your audio hardware. Check your audio settings in the audio card’s control panel.
Adolfo Rozenfeld · Adobe
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No problem. If I figured it out it’s because it’s something that can happen 🙂
Adolfo Rozenfeld · Adobe
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Looks like one or more of your layers may have the “solo” switch enabled (the circular switch between the audio and lock switches).
The Solo switch is used so that only the soloed layers are displayed, effectively overriding the visibility switches for other layers, until the solo switch is turned off again for layers which have it enabled.For more information, see Solo a layer in After Effects Help.
Adolfo Rozenfeld · Adobe -
When you enable PAR correction preview with that button, AE uses a lower quality filtering mode for Composition panel updates. This draft-like mode is only affects previews while working in AE with PAR correction turned on. It doesn’t affect the actual quality of AE’s output.
Adolfo Rozenfeld · Adobe
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Copy the mask, make a new Comp-sized solid an paste the mask in this new solid. Use the Stroke effect as you have been using it, but set “Paint style” as “on transparent”, so that the solid goes away. Then apply the Glow effect after Stroke.
Adolfo Rozenfeld · Adobe
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RAM preview are in the uncompressed 4:4:4 RGB space AE always uses for internal processing.
You are not entirely wrong about disk caching. But AE only uses when it really offers a performance advantage compared to re-creating the RAM preview segment on the fly.Adolfo Rozenfeld · Adobe
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[Mark Moser] “I can ram preview a little over 8 seconds of a 720p timeline with no effects, just stills. Does this seem right to you?”
For RAM previews, the nature of the content doesn’t affect the time span you get. In other words, 8 seconds of uncompressed 720 video take a certain amount of memory, besides what kind of material you use or which operations you perform.
8 secs would be reasonable with these settings. You will get more than that, if you move the Longer RAM previews/Faster rendering slider a bit towards “Longer RAM previews”. Nothing drastic.[Mark Moser] “I’ve also got a concern with disk cache. I almost never see the blue bar in my timelines, and when I do it is only a few frames. This is my disk cache configuration:”
AE only caches to disk when it thinks that doing so will be faster than not doing it. So, don’t worry about it. Other than that, disk caching plays more of a role Spacebar play, not when building RAM previews.
Adolfo Rozenfeld · Adobe
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Hello, Brian.
I am so glad to hear RAM previews are performing as expected again!
I am pretty sure we discussed video out/video desktop as a possible culprit, right?Adolfo Rozenfeld · Adobe