Why Adobe first Pro is changing the original images/assets (for example, mov) files? (CS6)

Background:

  1. A colleague gave me a large .mov 33 GB for use in a project, I put this file on a backup disk.
  2. I did a copy identical .mov 33 GB file and placed in a folder that I use for work on a project in Premiere Pro.
  3. I ran Adobe Premiere Pro CS6 and dragged through the 33 GB .mov file in the sequence (imported)
  4. Premiere Pro CS6 in line started in the file.
  5. After what he had done, I noticed that its modification Date was just now, that is to say different to the modified Date on the copy of the original file during the backup drive (see step 1)
  6. I ran a check for BeyondCompare between the file .mov on the backup of the drive (see step 1), which the project Premiere Pro used (step 2, 3) and Beyond Compare reported that they were different.

I thought at first it was corruption in independent files, but I checked several times and got the same result, then it is certainly Premiere Pro deliberately editing the file.

So I am confused: these are supposed to be the same file.

Why is there need of Adobe Premiere Pro to edit the images?

What does the file?

Wouldn't be better to create a separate file if necessary?

I can accept that if this is how it works and it is good to know that it was the first Pro deliberately edit the files and not of corruption (so my equipment had to be healthy). But it makes more sense to me if Premiere Pro is separate copies modified for its own use. Editing the file that it annoys my process to ensure the integrity of backups; If the original active film files were the same that the copies, then it would be easy to know that backups are OK.

Thoughts?

Definitive answer (I think): it's this definition, "Write XMP IDS to files on import" - that confirms that Adobe Premiere Pro is deliberately editing the .mov file: 935347 B http://helpx.adobe.com/premiere-pro/using/preferences.html#WSE3BD4A43-7022-4fe6-97F5-95313

These positions provide general information as to why have enabled would be beneficial: the advantage is to be able to skip compliant files by matching to the original file using the embedded XMP tag: -.

(Found using Google keyword "adobe premiere pro update")

Tags: Premiere

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