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jsdigital's avatar
jsdigital
Explorer | Level 4
8 years ago
Solved

Does Dropbox compress audio?

Hey dude, you ever get an answer on this? This really concerns me because I use Dropbox to back up all my Logic Pro projects and their source audio files.
sync
upload
  • Jay's avatar
    Jay
    8 years ago
    Hi jsdigital, welcome to the forums!
     
    I’ve moved your post since the previous one was quite old!
     
    Regarding your query, Dropbox doesn’t modify your files in any way. However, there are very rare circumstances when a file can be ‘changed’ in some manner, though this is unrelated to Dropbox.
     
    The first, and ‘most common’ is a third party app is affecting the file. This could be that a virus scanner is checking the file, and yet affects the original. Maybe on the originator’s end there was a similar issues, it’s hard to tell.
     
    Another, albeit rare possibility, is that downloading through the browser itself could be the issue. While Dropbox can preview WAV files, it is subject to the limitations of the browser, likewise with downloading them. Again, this is very rare, but can happen.
     
    Overall, in answer to your question, we’ve had many users sync high quality, uncompressed files, WAV, FLAC, APE etc, and none have experienced any issues. For those users that did experience some form of compression, corruption, or other matter, then it was usually due to an interrupted upload/download, poor encoding to begin with, or even not have the correct codec to play the file at the destination. 
     
    Even WAV files have codecs on how it reads the uncompressed music!
     
    Hopefully this should clarify matters for you, however if you have any questions, feel free to let me know!
madtheory's avatar
madtheory
Helpful | Level 5
7 years ago
It isn’t a problem. All cloud storage systems work today way, all media files get compressed in the browser photos, videos and audio. But if you sync the file to your Dropbox folder on your computer, you get the exact original file.

Think of the browser as a convenient way to preview files. Nothing more. If you want the original file, download it or sync it.

The same thing happens with VLC for Android/ iOS, it dies some pretty bad sounding transcoding when you play media off your cloud. Google Drive or Dropbox, sound the same through VLC.
PsiComa's avatar
PsiComa
Explorer | Level 4
7 years ago

Thanks for your reply. But how does services like Soundcloud and Youtube manage to get undistorted sounds through a browser? In fact, I don't hear much distortion when streaming from Google Drive either.

  • madtheory's avatar
    madtheory
    Helpful | Level 5
    7 years ago

    Actually there can be distortion there as well, depending on what format was used for upload. Transcoding, same problem we're hearing here.

    But you can't compare those services, that are designed for media streaming, with Dropbox, which is not a media streaming service. There are a bunch of code optimisations that work well for streaming that would not be optimal with a cloud storage system. Checksums, for a start.

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