This article explains how legacy Multimedia Manager compresses uploaded files, including expected video file size reduction and why photo and MP3 audio files are not compressed the same way.
💡Quick answers
- How much does Multimedia Manager compress uploaded video files? Compression varies by format and content complexity, but net file size reduction typically ranges from 40 to 80 percent, with 50 percent or better being a reasonable expectation in most cases.
- Why does disk usage go up after uploading photos instead of down? Multimedia Manager keeps the original photo for full view and also generates two new versions, an optimized slideshow image and a thumbnail, so more files are stored rather than fewer.
- Are uploaded MP3 audio files compressed further? No; MP3 is already a compressed format, so Multimedia Manager does not apply any additional compression when audio files are uploaded.
- Is Multimedia Manager still the recommended tool for managing media? No; Multimedia Manager is a legacy product, and Finalsite recommends using Resources instead, which is available from the folder icon in the left navigation.
- Does Multimedia Manager compress files to a fixed percentage? No; rather than a set percentage, it targets a quality rating that preserves resolution at the high end of what looks good for web viewing, since higher resolution beyond that point offers no visible benefit online.
This article refers to our legacy product, Multimedia Manager. For the best Finalsite experience, we recommend using our newest product, Resources, which is already available to you in left navigation by clicking on the folder icon. Learn more at "Resources overview."
Files are not compressed at a set percentage. We specify a quality rating for video output that will preserve the resolution of a video or picture on the high end of quality for web viewing (there is a certain limit where higher resolution doesn’t look any better on the web due to limitations of browser, monitors, bandwidth, etc.)
Video
Depending on the format of the video, and the complexity of the images and audio in the video, net compression of the file size could vary from 40-80%. 50% or better is a reasonable expectation in most cases.
PhotosÂ
Photos are another story because we keep the originals for the full view, plus create 2 new images: the optimized slide show one and the thumbnail. So disk usage actually goes up for uploaded photos, not down.
AudioÂ
MP3 audio files are not compressed (any further, that is - MP3 is already a compressed format, so we don't perform any additional compression when audio files are uploaded.)
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