I am working in Storyline and I find myself repeatedly previewing slides in which I am using MP4, MP3, and occasionally .jpg files (I try to use .png files when I can). Am I recompressing the media files each time I do that and, if so, am I loosing addition data each time (i.e. Is the quality degrading subtly)? Or does compression only happen when I bring the media into the project the first time and then when I publish it?
I know just enough about compression to be dangerous so I am not sure if this is an issue or not.
1 Reply
No, it only compresses on publish, the videos are rendered once then rerendered if you resize them. No data is lost from the source files on publish.
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