Audio stuters after transcoding

In the video project that I am working on, I edited the project in Premiere Pro 2.0 and exported video as m2v and audio as wav, just because I wasn't too sure what the size of video will be.
I imported both of these in Encore 2.0 and transcoded audio before burning a disc and I see a stutter in the audio. I checked the forum and found many queries like this but there is no solution found.
(http://www.adobeforums.com/cgi-bin/webx/.3bc0dabf/0,
http://www.adobeforums.com/cgi-bin/webx/.3bc08535/0,
maskio, "adobe encore dvd 2 no reproduce ac3 audio" #6, 25 May 2006 10:26 am)
Now at this moment, I tried this freeware BeSweet and BeLight but the results turn out the same. I played back whole 80 minute audio and its fine. I have no clue how to proceed, either something is screwed up at my machine level or with the exported wav file.
Any expert here that has a pointer on how to proceed. Any and all help is most appreciated. Thank you.

How did you make the 16/48 WAV track from the CD please?
Ripped?
Recorded?
What resampler was used?
Does the original CD track play properly?
What does the actual rip from the CD at 16/44.1 sound like?
There are so many places here that this error could be creeping in from.
It is beginning to sound like the ripper might be at fault - what ripper was used? For doing this - if you absolutely must (remembering that CD is copyrighted and you are not legally allowed to do this unless you own the rights) then it is better to use a ripper such as EAC (Exact Audio Copy) and calibrate your drives so that errors do not creep in.
Steinberg's WaveLab has an option when ripping to make multiple readings from the track, and will not attempt to save theresults until it reaches a pre determined number of exact "matches" that you set in advance.
Can you see what I am getting at though? Rippers are not all equal. Some are better than others, and the error checking on some is almost non-existent.
Please try the rip at 16/44.1 and check this - before upsampling.

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Very poor video quality after transcoding in Adobe Encore CS5.1

MERRY CHRISTMAS AND A HAPPY NEW YEAR!
I have very poor video quality after transcoding the video file (MPEG) in Adobe Encore CS5.1. Below you see my used settings in my filmproject.
The problem exists after transcoding in Adobe Encore CS5.1. I checked all steps and found out that there is no problem until transcoding. My exported file in MPEG has very good video and audio quality.
Facts:
1. Camcorder: Panasonic AG-AC160AEJ
Operating System : Windows 7, 64 Bit, Ultimate edition
Source files: MTS files
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Image Size: 1920 x 1080
Frame Rate: 25,00
Source Audio Format: 48000 Hz - compressed - Stereo
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Pixel Aspect Ratio: 1,0
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4. Exported File:
Video
Image Size: 1920 x 1080
Data Transfer Rate: 25920 kBit / s
Frame rate: 25
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Channels: 2 (stereo)
Frequence: 48 kHz
5. Transcoding settings in Adobe Encore:
I used different transcoding settings such as automatic DVD Transcoding, CBR and VBR.I also set “use maximum render quality”. But all results were always the same: very poor quality.
Why does the encore transcoding cause such bad video quality?
How can I solve this problem?
Please help me soon.
Best regards.

Hi Ann,
1) I did not only „Automatic (based on source)“ options in my tests, but also many other customized options.
The results are very poor. I have done a new test with the following settings. The result is also poor:
Download link: http://www.klavierlehrer-bayern.de/download/test_mpeg2dvd_1.m2v
Export Settings:
Format: MPEG2-DVD
Preset: Custom
Codec: MainConcept MPEG Video, Quality: 5
Frame Rate: 25 fps
Field Order: Upper
Pixel Aspect Ratio: Automatic (based on source)
Render at Maximum Rate: [active]
Bitrate Encoding: VBR, 2 pass
Minimum Bitrate (Mbps): 5
Target Bitrate (Mbps): 9
Maximum Bitrate (Mbps): 9
GOP Settings
M Frames: 4
N Frames: 12
Use Maximum Render Quality: [active]
Multiplexer: None
2) Why shouldn’t I use the “Match Sequence Settings” in exporting? Because of the big output file size?
I used it and the results are very good as I expected:
Download link: http://www.klavierlehrer-bayern.de/download/test_MatchSequenceSettings.mpeg
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Match Sequence Settings [selected]
1920 x 1080, 25 fps, Upper, Quality 50
User Maximum Render Quality: [active]
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4) I will test also LagarithLoslessCodec and frameserving +DGMPGDec. But the video is vertical long drawn-ot.
I think I did not use it correctly.
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