Audio Looping bug in rendered output

I've hit a recent issue where I'm getting audio looping / stuttering bugs in the rendered output. Doesn't happen at the start of the clip, but elsewhere if I fade everything down to black / nothing, and then fade up again into the next clip, the audio loops / stutters during that fade in. Using "Constant Power" to bring up the audio from nothing to full. Clip plays fine in Premiere, just the final output has the issue. Have encoded audio as both WAV and AC3, same issue.
Curiously, if I output a WAV file only (no video) straight from Premiere, it is clean. That's how I'm now working around this, and coding the AC3 track in Audacity when required. Also (even more curiously!) I recently installed Audition, I'm wondering if that has messed anything up in Premiere. Audition wasn't actually used in any of these corrupt projects (and the project I used Audition for was fine as far as I am aware), but I've never had it installed until 2 or 3 weeks ago.
Anyone else hit this, or know how to fix it? Between this and the video render issue I posted a couple of months back (still not resolved), I'm rapidly losing faith in Adobe's encoding tools.
I can post some example clips if anyone wants a listen. Reminds me of the XDCAM looping bug that existed a while back, although the scenario there was somewhat different (audio at the end of the clip looped, and my current video is AVCHD from a Sony NX5, not XDCAM).
Premiere Pro CC 7.2.1 (4)
Media Encoder CC 7.2.0.43 (64-bit)
Audition 6.0 Build 732 (64-bit)

Hi madmaxmovies,
Thanks for posting on Adobe forums,
Please follow suggestion provide in this link http://forums.adobe.com/message/5997457
Thanks,
Sandeep

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Regards,
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"Konima" wrote in message
news:[email protected]..
> There is a bug in LabVIEW 7.1 where you have a for-loop, a constant
outside
> the loop, a constant inside the loop and a subtraction of the two
constants.
>
> What you have to do to see the bug is:
>
> - Place a for-loop on the diagram
> - Wire a constant with any value to the count terminal
> - Place a constant on the diagram outside the for-loop, use any postive
> number
> - Place a constant inside the for-loop, use any positive number
> - Place a substract-icon inside the for-loop
> - Wire the
constant outside the loop to the substract-icon
> - Wire the constant inside the loop to the substract-icon
> - Wire the result of the substraction to the output of the loop and
disable
> indexing
> - Wire the input of the constant outside the loop directly to another
output
> of the loop and disable indexing
> - Probe the output of the subtract.
> - Run VI
>
> What you will see is that the output constant is treated as 0
> Same thing with addition, multiplication, division...
>
>
> When you change the outside constant to a control it works.
> When you remove the direct output from the outside constant through the
loop
> then it works.
>
> ----
> This has been submitted to NI as a bug report, so hopefully there will be
a
> fix soon.
>
>

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Message was edited by:
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