Audio randoming "doubling" (echo)

Report · Nov 08, 2010

Okay, I gotta take one more crack at this. I've seen threads about this before and have read some that claim that the probelm was solved with CP4 (maybe even CP3) but the probelm for me has persisted since the beginning.

I have several slides in my Captivate piece. Each slide has audio narration (recorded or imported to the slide -- not attached to an object IN the slide). The narration occasionally and randomly "echos" for a slide here and there. It sounds like somebody started playing TWO recorded narrative segments just slightly out of phase with each other -- very "space agy" or "electro-roboey" or whatever the kids are calling it nowadays. (P.S. Get off my lawn!)

It's totally random too and seems to be associated with playback (either the published content file itself, or the flash player). If you watch the piece one time, the narration echos on slides 1, 3, and 5. The next time you play it, the narration echos on slides 4, 5, and 7 -- no discernable pattern. And it happens on the development machine, and the machines of all of my reviewers.

I would like to think I have just missed the identified cause and solution of this issue, as it has clearly been around for so long and encountered by so many developers. Any ideas?

Mike

P.S. ... did you get off my lawn yet? 😜

Report · Dec 22, 2010

I'm having the same issue with a project created in Captivate 5. Is there a solution for this issue?

Report · Dec 24, 2010

Hi, High.

No -- we have tried a number of items and have arrived at a couple of general tips for helping to handle audio in CP as reliably as possible -- trying one of these techniques may also have a beneficial effect on the robotic-sounding "audio doubling" issue:

When attaching audio to the slide, leave about a half-second of "white space" between the beginning of the slide and the beginning of the audio track, and again between the end of the audio track, and the end of the slide. This seems to provide CP with the "breathing room?" it needs to handle audio.

You can gain additional advantages by attaching your audio to an invisible object (like a transparent highlight square). This further provides you with scripting possibilities to handle your audio-a-la-object.

Just some ideas and possibilities but nothing concrete.