Audition jumps time code forward on audio extracted from a .mov file

I have a video file with a starting time code of 10:41:17:23.   I open this file in Audition, apply a noise reduction effect, and export the file out as a new .wav file.
However, instead of the audio file having a starting time code of 10:41:17:23, the time code on the file starts at 10:41:34:20.
So, the time stamp has jumped forward 16 seconds, 21 frames.   And, the jump amount is not consistent. Another file had a 37 second plus jump.
Since we are talking about the STARTING time stamp, in all instances, I believe frame rate, codec, etc. are immaterial unless someone can convince me otherwise.
If I was dealing with different frame rates/codecs/etc., I could understand the time code being out of sync later in the file, but I cannot understand why it would be out of whack at the very start of the file.
Anyone got any ideas on possible cause/cure?   It's a pain having to manually search for the audio file for the correct location instead of being able to just punch in the same time code the video uses.

OK. I double checked and the timecode showed 23.976 for my test .mov file in Premier Pro, with a sample rate of 48,000 32-bit.
I made sure my timecode default was set to SMPTE 23.976 in Preferences/Time Display in Audition. I then opened the .MOV file in Audition, let it split the audio out, and moved the audio to the editor panel.
The timecode in the audition editor panel shows 23.976. The preview panel also shows 23.976.
For what is worth, the "time code" block of blue numbers in the lower bottom left of the Audition preview panel shows 00:00:00:00. I believe this is because the primary "Time Code Start" field in the Canon 70D .mov format files is empty and the camera is putting the time code in the Alternate Time code fields.
I then opened the Effects drop down menu and applied Noise Reduction/Restoration, option Adaptive Noise Reduction, using the preset "Light Noise Reduction."
After the apply completed I saved the modified audio file with a format of Wave PCM, leaving the Sample type at the default of 48000 HZ Stereo, 32-bit and Format settings of Wave Uncompressed 32-bit floating point (IEEE).
I left the box checked next to "Include Markers and Other Metadata." And, clicked OK.
I then went to Premier Pro and opened the just saved audio file. The starting time code on the file is 10:38:52:22. This does not match the starting time code on the original MOV file which is 10:38:14:10.
So, based on my limited understanding of both Premier Pro and Audition, I am gettting the exact same sample rate settings and time code settings all the way through the process in both Premier Pro and Audition up to the point of saving the modified file out of Audition. It is at the point of saving that things get changed.
Charles asked me to post screenshots and a sample file somewhere. I am working on doing those tonight. I just have to figure out where to post them. My original test files were quite large, but I got the same results with a 2 second file in my second test, so I'll post those files someplace.

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Message was edited by: Kyn Drake

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Audition jumps time code forward on audio extracted from a .mov file

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