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WMP 11 / XP SP3 - .wav files open, do not play.

Good Morning,

I have a confusing problem.  .Wav files won't play through Media Player 11.  I have no problem opening them in mplayer2.exe or RealPlayer, etc.

The files open in WMP 11, but don't play.  I do not get any errors in the player or app/system logs.  And it's only on certain workstations.  The files seem fine.  I am thinking it's a problem with the build of this generation of workstation.  

I used GSpot to analyze the files and they come back clean as well - specifying that a codec isn't actually needed to play it.

It's been a while since I"ve had to delve into the wonder world of Audio, so any help would be much appreciated.

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ShuttleDIK
Asked:
ShuttleDIK
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3 Solutions
 
ShuttleDIKAuthor Commented:
I'm getting some clues that it may be DRM related.  Any ideas there?
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MereteCommented:
no that shouldnt be it,  DRM only applies to WMA
two things you can check
WMP is finnacky about  not being the default player for certain files types, ie if it is not associated within WMP files types
r/click a wav file go to open with>then choose choose default program select WMP
apply and ok
try and play it
Check wav's is in the files types in WMP 11
I am on windows 7 with WMP 12 so our interface is different
Control Panel > All Control Panel Items > Default
 Programs > Set Associations
 Let me know if that solves it
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Davis McCarnOwnerCommented:
I suspect something is wrong with the audio codecs and the fix is going to be the reinstallation of Windows defaults.
To test, try playing a WAV file in Sound Recorder ( Start -> All Programs -> Accessories -> Entertainment )
If that doesn't work, follow these instructions: http://www.free-codecs.com/guides/How_to_install_default_codecs_in_Windows_XP_2000.htm
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ShuttleDIKAuthor Commented:
Thanks for the input, folks!  Much appreciated.

@Merete:  The associations are all as they should be, WMP is the default on the workstations for all applicable Media Types, incl. .WAV & . MP3.  The files do open automatically w/ WMP, but there is no "play" of the file.  The Player stays dormant with the file showing, but no activity (wave form display or audio, i.e. it doesn't play)

@DavisMcCarn:  Sound Recorder, mplayer2.exe (WMP 6 in the Windows Media Player program folder), Real Player, etc. ALL have no problem playing the file - it's only WMP that loads the file and then proceeds to do nothing.  Additionally, it shouldn't need a codec to play .WAV according to the GSpot audio file analysis tool, recommended by many for this type of research.

I did notice another possible culprit - ffdshow has been loaded onto the builds with the problems.  We've tried some 'fixes' from other sites to address any possible conflicts there, to no avail.  As I did not perform the build, I'm not clear as to why that software is necessary or even present.  But we do have many custom 3rd party apps that require special supporting software, so it may be necessary.

I'm perusing their SourceForge forum now, but not getting much in the way of results.
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ShuttleDIKAuthor Commented:
Ok, here's some more interesting info.

I did the obligatory:
re-install WMP 11 - no luck
unistall ffdshow - no luck
roll back WMP 11 to 9 - no luck
Then realized WM Format Runtime was still installed - aand still bupkis (no luck)

So I think we can see it's not the version, nor the 3rd party app ffdshow - unless, of course, there's some deeper registry holdup.  Running CCleaner reg portion now.

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ShuttleDIKAuthor Commented:
Sweet!  Fixed it!

The porblem (I love that typo!) sat in the AC3 filter that was present in the programs folder for Windows Media Player.  I don't know if that comes from the ffdshow, though it could.  I have seen it before on some workstations, but since it doesn't show on it's own in the Add/Remove, I wasn't aware it could be there until I started searching for details on the AC3 / WMP conflicts.  References to that appeared while researching the issues.

In order to fix the issue, the configuration program's System tab must reflect the "Prefer other decoder" option under Filter merit, instead of "Prefer AC3Filter".  [see image]
AC3-Config.JPG
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ShuttleDIKAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for ShuttleDIK's comment http:/Q_27418409.html#37047208

for the following reason:

There are hoards of posts accross the internet about this issue. &nbsp;Not many of them dealt with AC3 as the cause, as the symptom may be from different sources. &nbsp;It's nice to have a full resolution, however.<br /><br />Thanks, everyone for your input.
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Davis McCarnOwnerCommented:
And my fix was the only one which would have restored the default Windoze audio codecs and their settings which would have reverted Windoze to the correct WAV codec and fixed your problem.  Did you test it with Sound Reocorder?
Or more importantly, did you reinstall the ACPM drivers to restore the AC3 to it's defaults.
I have fixed thie problem before......
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MereteCommented:
Just a note from me since EE was down in my day time, I would have definately looked in to the ac3 aspect, but as you said you checked the file in Gspot  I didnt ask for a snapshot of the results
as that would have reported what codecs was used, in the wav. But figured you knew that since you posted a reference to checkin the wav.
ac3 ( direct show)  of course will not play in wmp natively, installing the ac3 filter would have resolved it. Where you are there I dont understand.
http://ac3filter.net/
Anyway the main thing is it's resolved
Cheers
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ShuttleDIKAuthor Commented:
And yet, beyond rudimentary responses, that conflicted with the initial problem description, our in-house research was what actually fixed the issue.  Please accept split points in consolation.
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