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"Empty Disk Cache" vs "Clean Database & Cache"

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Filip Stillerska
"Empty Disk Cache" vs "Clean Database & Cache"
on Apr 13, 2018 at 11:11:47 pm

What's the difference between Empty Disk Cache and Clean Database & Cache? I've never found any good explanation regarding this. And please, don't send me to Adobe's (or any other) explanation for this. I find their explanations to be excessively advanced/over technical.
I just want to know the difference and when to use which.



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Roei Tzoref
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 15, 2018 at 9:07:36 pm

all the information is right here:
https://helpx.adobe.com/after-effects/using/memory-storage1.html

in short:
Empty disk cache = RAM Cache and Cache saved to disk
Database and Cache = conformed video files.

Roei Tzoref
2D/VFX Generalist & Instructor
♫ AeBlues Tutorials ♫
http://www.tzoref.com


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Filip Stillerska
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 16, 2018 at 9:18:35 am

Thank you! However, I don't understand what "conformed video files" are? Would you (or someone else) please mind explaining what a conformed video file is?


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Walter Soyka
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 16, 2018 at 10:59:13 am

Adobe apps generate "conformed" files when the audio stream does not match certain specs. Basically, the audio is re-encoded in a specific high-quality format for easier processing:

https://helpx.adobe.com/premiere-pro/using/importing-digital-audio.html#con...

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Filip Stillerska
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 16, 2018 at 11:49:47 am

But if it only applies to audio, why is it called "conformed video files" then?


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Walter Soyka
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 16, 2018 at 1:41:54 pm

There are no conformed video files per se, but Adobe apps will generate conformed audio from video files with audio streams.

In other words, when you import a video file with an audio stream, Ae/Pr may create a conformed audio file from that video file. The app will rely on the original video file for the video stream, and the conformed audio file for the audio stream. If you delete the conformed audio file, Ae/Pr will re-create it the next time you try to use that video file.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Filip Stillerska
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 18, 2018 at 8:24:28 pm

Ok! But why does AE/Premiere even create a conformed audio in the first place? Why not just rely on the audio directly from the file? Also, why doesn't it create a conformed video file?


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Roei Tzoref
Re: "Empty Disk Cache" vs "Clean Database & Cache"
on Apr 21, 2018 at 7:13:14 pm

[Filip Stillerska] "Ok! But why does AE/Premiere even create a conformed audio in the first place? Why not just rely on the audio directly from the file? "

to work faster. Premiere conforms audio from compressed audio of your media. when you playback a compressed media, the software has to decompress it. this will cause slower performance. conforming the audio is the way to for premiere to work faster.

Roei Tzoref
2D/VFX Generalist & Instructor
♫ AeBlues Tutorials ♫
http://www.tzoref.com


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