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i_paint
Participant
February 26, 2016
Question

Audio and Vidoe Issues on playback

  • February 26, 2016
  • 1 reply
  • 313 views

I am using Captivate 9 and have created a number of projects the largest being 245 slide and 214 slides. The average is around 100. They all contain slides with voice over using the robo voice and some without.

They are primary of our software for training purposes, so there are highlights and mouse on almost all the slides.

The largest video runs about 30 minutes.

Where I am having issues is the (robo) voice over becomes garbled and falls out of sync when the courses are paused or (heaven forbid) the user pages back of forward. Obviously the largest ones are causing the biggest issues.

As this is a robo voice, reviewers are finding it particularly disturbing.

We have tested this in the latest firefox and chrome on a number of different computers and we are having the same issues on all but the smallest project (52 slides) no matter what we use (equipment) and where we use it (browser).

Splitting the courses and using links is not an option.

Does anyone have any suggestions? I am at my wits end.

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1 reply

RodWard
Community Expert
RodWardCommunity Expert
Community Expert
February 26, 2016

One thing you can try is to make sure the TTS voiceover audio clips do not touch the ends of the slide timelines.

If they do, Captivate tends to stitch them together under the hood into single audio clips.  If all of your TTS clips are hard up against the ends of the slide timeline then you may have one very large audio file in there which can get out of sync with the animation over time.  Forcing Captivate to make all the audio clips small and related ONLY to a single slide timeline makes the synch easier to control.

    I
    i_paintAuthor
    Participant
    February 27, 2016

    Thanks Rod,

    Gosh, I have been doing that for so long, I forgot to include I put white noise at the beginning of each chunk of audio.

    However, I don't have any (white noise) on the slides with no audio. They are just the slide and the mouse for about 1.25 seconds. Do you think adding some to the those slides might help?

    I have considered that, but it would be incredibly time consuming, and I don't have that time to experiment.

    But if you think it might work, I would do it.

    RodWard
    Community Expert
    RodWardCommunity Expert
    Community Expert
    February 27, 2016

    You would usually only need to add noise to the clips if you were getting audio clipped off.  The trick with not having the clips hard up against the timeline ends is to just make sure Captivate doesn't stitch the audio clips together.

    If you're already doing that and you still have this issue, then it may simply be that your current project is too big and needs to be broken up.  I know you said this is "not an option" but you should at least be willing to test whether doing that fixes the issue.

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