Audio glitches at the start of video

Hello,
i have a few audio glitches at the start of the video.
This happens only at the start of the video, at the first 30-40 sec, where there is a music soundtrack.
I am using encore 2.0 and a portable HP Pavilion dv4000.
The video was coming from a dv tape that was captured with windows movie maker as avi and imported as avi to encore.
But the sound was changed to 48 khz, at the edit (Avid).
Please i need your help.

Neil,
Thanks for the response. I started looking for Audioblack in the New Asset list, the Transitions and Effects, all through Audition, manuals, Internet, everything, and about all that I found was reference to an indie band - "Audioblack," or comments attributed to you. I have a lot of material from Dolby, from when I first began using 5.1 Surround in DVDs, but did not see this term there. It was probably in some of their more technical papers, and not the "primer" course ones, that I already had. You very clearly pointed out *what* the problem was likely to be, but I wanted clarification as to the exact solution. You cleared that up beautifully.
Based on one of your earlier replies along these lines, I instituted a 2 sec. gap in my Audio Tracks at the beginning of all Timelines, as part of my workflow - 2 sec. Black Video, Dip to Black to 1st Title, and silence on my Audio Track, but was becoming worried, that I needed to create an actual Audio Clip with certain properties. I see that my interpretation of Audioblack works.
I had not encountered the problems, that some others had, but then my test DVD players are all higher-end Marantz units, and who knows what a client is likely to try and play the DVDs on? I wanted to establish a workflow, that would give me the greatest chance of success, regardless of the hardware. Thanks to you, and to others, I am honing my workflow, as well as I can.
I think, based on some other responses, that involve hardware, that I will dig up a very old, and cheap Panasonic DVD from my gym, to use as a test machine - doesn't get much older, or cheaper, than that.
Greatly appreciated,
Hunt
PS I still use an older Cambridge as the rear-channel amp out of my Carver C-400 pre. Great unit and still going strong!

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