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Activity Forums Adobe After Effects “Empty Disk Cache” vs “Clean Database & Cache”

  • “Empty Disk Cache” vs “Clean Database & Cache”

    Posted by Filip Stillerska on April 13, 2018 at 11:11 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.

    Roei Tzoref replied 8 years, 2 months ago 3 Members · 7 Replies
  • 7 Replies
  • Roei Tzoref

    April 15, 2018 at 9:07 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

  • Filip Stillerska

    April 16, 2018 at 9:18 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?

  • Walter Soyka

    April 16, 2018 at 10:59 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#conforming_audio

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

  • Filip Stillerska

    April 16, 2018 at 11:49 am

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

  • Walter Soyka

    April 16, 2018 at 1:41 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   |   RenderBreak [blog]   |   Profile [LinkedIn]

  • Filip Stillerska

    April 18, 2018 at 8:24 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?

  • Roei Tzoref

    April 21, 2018 at 7:13 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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