R2R data compression on acustica distro's

Discussion in 'PC' started by saccamano, Nov 29, 2023.

  1. saccamano

    saccamano Audiosexual

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    Does anyone know how the genuine R2R distro's (not the repacks) are compressed? It seems to be a combo of 7z and RAR but when trying to re-create the compression amount of the final archive I can't get anywhere close...
     
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  3. Deuterium

    Deuterium Kapellmeister

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  4. saccamano

    saccamano Audiosexual

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    I read thru that one and there's some good info in there but it doesn't explain what's going on with these R2R acustica distro's.
    It's inSAN-O compression being put on these things and there is no installer - just files seemingly compressed with 7z and RAR combined.

    Like a 256MB final distro RAR file when the raw package content un-compressed == 2.5 GIGA BYTEs !!?? Using 7z and RAR compressing the stuff in a similar manner I can only get it down to like 1.1GB. I realize packing files with an installer can smash stuff down even further but here are no installers used with these R2R distro's. It's just compression of raw content. There's gotta be something different they are doing to achieve this super-insane compression...
     
    Last edited: Nov 29, 2023
  5. Deuterium

    Deuterium Kapellmeister

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    which one? aquamarine5 is 272MB rarred up, 387MB unpacked
     
  6. saccamano

    saccamano Audiosexual

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    Coral 2 actually. Uncompressed is ~2.5GB. The distro file == 226 MEGA bytes. The best I got the 7z file down to so far is ~ 730MB using LZMA at "maximum" compression. Then they do a RAR file that's parted out (i.e. part01.RAR, part02.RAR, etc...). Then they compress the parted RAR to a single final RAR distro that really small compared to the un-compressed size.
     
  7. Deuterium

    Deuterium Kapellmeister

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    Coral2 2023 is 985 unpacked, 226 packed here, that seems normal. not sure how we get different results

    common/vst2/vst3/aax folders
     
  8. saccamano

    saccamano Audiosexual

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    The distro I got originally was ~226MB but this was the REPACKED installer distro. Unpacking the files from the installer gives me the 2.5GB figure.
    WOOP! Light bulb...:invision:.

    I now know why the stuff gleaned from the install of the repack is larger. Because the content in the "!COMMON" folder has already been appended (by the installer) to each of the plugin types already whereas the raw R2R distro has only one instance of the "!COMMON" content - which the end user is supposed to copy to each plugin folder manually along with the actual plugin content... This makes the content of each of the repack plugin folders larger by a factor of 3.

    :facepalm:
     
    Last edited: Nov 29, 2023
  9. saccamano

    saccamano Audiosexual

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    hence I was able to get the final RAR storage archive from 2.5GB down to 714MB utilizing a similar R2R scheme of 7z and RAR multi parts archives...
     
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