Audio lagging around Slide #20

Hi everyone,
I'm recording mini-lessons in Cap 5 with relatively small (30-60) slides in each project. I've noticed that around the 20th or so slide, the audio lags behind by about half a second. The band-aid solution I came up with is to extend a slide without extending the audio. It's quite noticeable but it corrects the problem. I'm deferring to your collective wisdom, Captivate Gurus: is there a better, less obvious solution? And I'm not counting adding a pop-up for the user about halfway into the lesson that directs them to click the PAUSE button on the playback bar.
I've got the preloader set to 100% and the auto-play option is off as well. The projects consist of introductory and explanitory slides that have captions, JPEG images, and audio, and screen capture slides in demo mode with audio. No Flash and at the most one or two slides with FMR, lasting about a second or two at the most.
Thanks!
Krista

Hi Krista
I'm not sure if this still holds true in Captivate 5 as it's a totally new animal than 4 was. But in 4 I saw reports of folks correcting this by staging the audio to begin playing slightly into the slide. For example, have the audio begin playing perhaps .3 seconds (three tenths of a second) after the slide begins.
I'm not guaranteeing this will work. Only offering it as something you might try and see.
Cheers... Rick
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