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Recovered *.mov files from a Canon 70D camera SDXC card are trash


dhardman

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The free software was able to find a large quantity of files. The *.jpg files were fine but the *.mov files were trash.

The symptoms were varied but were generally along the following lines:

  • The image was either a single frame that did not change of a completely black screen.
  • The audio consisted of a loud hiss (white noise?) periodically inter-dispersed with bursts of sound (0.5~1 Sec) which could have been part of the soundtrack.

The *.mov files were recorded under the Canon All-I format.

 

The recovered *.mov files were attempted to be replayed under 3 applications on a Win 8.1 PC

  • VLC media player
  • QuickTime player
  • Cyberlink DVD player

These players are normally quite happy with the Canon *.mov file format.

 

Clearly Recuva software is not much use to me (or anyone else for that matter) if it will not recover the movie files from what some have claimed to be the best ProAm DSL camera ever made.

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  • 1 month later...
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It's unlikely that Piriform will respond here. We don't know how large the card is or whether it's FAT32 or exFAT, or even how Canon implements that file system. If it's exFAT then that file system is proprietary and there's not a lot of info about what happens on file deletion. My guess is that locating the file's original clusters is the problem. FAT32 is notoriously difficult and exFAT is more sophisticated than that.

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