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drtoddchang
Participant
June 1, 2011
Question

Captiv5, F4V, mp4 & auto-closed captioning

  • June 1, 2011
  • 1 reply
  • 3102 views

Hi everyone

  I am learning quite a bit about Captivate 5 and have been about 10 learning modules in and getting the hang of it.  A large number of our trainees have Apple products and I've found that an *.mp4 video created by publishing the *.cptx file into *.f4v + fixed frame rate and then using Adobe Media Encoder (part of eLearning Suite 2 purchased) to convert *.f4v --> *.mp4 (iPod) and H264 codec - is the best way to allow a Wi-fi connected iPhone/iPod to play. 

  One issue is that the videos embedded in the presentation have very soft volumes.  The video volumes themselves cannot be changed, so I have added closed captioning which works well in *.swf format.  However, when converting to the *.f4v or *.mp4 formats, closed captioning is not an option, and I am unable to find a way to always have Captivate have closed captioning without the CC button.

  If anyone can think of a way to either increase the video volume within Captivate (I don't have Adobe video tools, just eLearning Suite) or allow for closed captioning to display text during the *.mp4 video, it would be greatly appreciated.  The last thing I would like to do is to retype the entire CC script (it's very long) into actual slide elements.

-Todd

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1 reply

RodWard
Community Expert
RodWardCommunity Expert
Community Expert
June 1, 2011

You can adjust the volume of audio for any slide using the Adjust Volume button on the Slide Audio dialog.

Conversely, if you have the eLearning Suite you should also have Adobe Soundbooth, which is an excellent audio editor. You can export out the audio for the entire project if desired, edit in Soundbooth, and then reimport again with all slides retaining their same start and end points for audio.

The Closed Captioning is actually created via the playbar skin, so it's not something that gets captured when converting to video format.

If you really want some form of Closed Captioning in the video output you could workaround it by adding your own timed transparent captions against a light or dark coloured highlight box that is set to appear for Rest of Project.

Lilybiri
Lilybiri
Legend
June 1, 2011

Hi Rod,

I thought it was about the embedded video -audio? For video audio volume is always set to 50% and up till now couldn't find a way to change that. Do you know?

Lieve

RodWard
Community Expert
RodWardCommunity Expert
Community Expert
June 1, 2011

Might be.  I understood the issue could be related to the audio in the original Cp file was too low (possibly due to recording at a gain level too low) and that upping the audio volume before publishing to MP4 might help the issue.

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