After a long trial & error phase, I found a solution. It's a tricky one that needs more analysis.
Hope this helps somebody else.
Here's what I did:
- I published the story as a SCORM package
- after publishing, as the "Publish succesful" windows pops up, do not do anything (do not close it !!) . We get back later to it.
- I moved all the video from the output folder (you can find them in the subfolder story_content . I have lots of mp4 videos) to another folder (let's call it orig_videos)
- I used the ffmpeg tool (downloaded from http://www.ffmpeg.org/): it's a Windows command line tool. You need to download a zip file, unpack it and put the folder somewhere in your folders (I put it in the "C:\Program Files\ffmpeg\")
- I created a dos BAT file (raise_volume.bat), in which I wrote the following content:
for %%a in ("*.*") do "C:\Program Files\ffmpeg\bin\ffmpeg" -i "%%a" -vcodec copy -af "volume=+12dB" "..\new_videos\%%a"
That means: for each file in a folder raise its volume by 12dB and put it in the folder "..\new_videos\"
- I then run a command prompt, cd to the folder where I copied the videos and run raise_volume.bat. All the videos have been copied to the new_videos folder, with their volume raised.
- Went to new_videos, copied all the files and put them in the original story_content folder, created under the SCORM main output folder.
- Back to the main Storyline windows and click "zip" to pack the SCORM package.
The last operation, the zip done by mean of the Storyline window, it's quite tricky: I tried to do the same operation by zipping with the normal zip but when I loaded the SCORM package onto the LMS it didn't work.
That's why I decided to use the zip made by the Storyline window.
This amazes me: how the storyline zip process differs from a traditional zip ?
Thanks for sharing that method here, and the method of replacing the published videos with an original version (or in your case a modified original) is something that a few other users have shared to keep the original quality, so I'm glad that it worked out for you.
2 Replies
After a long trial & error phase, I found a solution. It's a tricky one that needs more analysis.
Hope this helps somebody else.
Here's what I did:
- I published the story as a SCORM package
- after publishing, as the "Publish succesful" windows pops up, do not do anything (do not close it !!) . We get back later to it.
- I moved all the video from the output folder (you can find them in the subfolder story_content . I have lots of mp4 videos) to another folder (let's call it orig_videos)
- I used the ffmpeg tool (downloaded from http://www.ffmpeg.org/): it's a Windows command line tool. You need to download a zip file, unpack it and put the folder somewhere in your folders (I put it in the "C:\Program Files\ffmpeg\")
- I created a dos BAT file (raise_volume.bat), in which I wrote the following content:
for %%a in ("*.*") do "C:\Program Files\ffmpeg\bin\ffmpeg" -i "%%a" -vcodec copy -af "volume=+12dB" "..\new_videos\%%a"
That means: for each file in a folder raise its volume by 12dB and put it in the folder "..\new_videos\"
- I then run a command prompt, cd to the folder where I copied the videos and run raise_volume.bat. All the videos have been copied to the new_videos folder, with their volume raised.
- Went to new_videos, copied all the files and put them in the original story_content folder, created under the SCORM main output folder.
- Back to the main Storyline windows and click "zip" to pack the SCORM package.
The last operation, the zip done by mean of the Storyline window, it's quite tricky: I tried to do the same operation by zipping with the normal zip but when I loaded the SCORM package onto the LMS it didn't work.
That's why I decided to use the zip made by the Storyline window.
This amazes me: how the storyline zip process differs from a traditional zip ?
Hi Stefano,
Thanks for sharing that method here, and the method of replacing the published videos with an original version (or in your case a modified original) is something that a few other users have shared to keep the original quality, so I'm glad that it worked out for you.
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