Sonar XI Producer audio changes after rendering

I am facing a strange problem with my Sonar XI Producer for quite some time, when i render a file the audio changes from the original that i mixed/mastered e.g the vocals level reduces with an extra Reverb in it etc., can anyone help me with that, thx!
 
Regards
Farhan Albert

Sorry for late reply, yeah by rendering i mean exporting or mixing down the audio, and yes i apply the mastering plugins on my master Bus and listen to the audio through various players but it sounds the same, its not that WMP or any player makes it sound this way, i have noticed carefully and found out that the rest of the tracks sound ok but why only vocals sounds different (levels go down with extra Reverb) is may be because of the Reverb plugin (Using BREVERB by OVER LOUD) that i am using, which i only use for vocals and don't use it at all otherwise and i think that is causing the problem, i insert it on the Bus and then apply it on my vocal tracks through Insert send, and when i insert it, the Dry signal of the Reverb is at the end and i raise it to 0.0 db, is it right??, but the strange thing that i'm gonna tell you now is that, if i'm doing anything wrong then why i don't face this problem when i export the same file through Sonar 8.5??? 

Hi Farhan Albert
 
I think I have the same issue too (Sonar x2). I think I touched on it in a post a while back, but can't remember when or where.
 
When I do the 'null test' (I think it's called?) ... in other words. I 'bounce to track' all the audio, then reverse the phase on the newly bounced track (ensuring it's going straight out to the soundcard/interface and not to the master buss which could have effects on it) and press 'play'. All being well, there should be no sound at all, as, if the tracks have bounced properly, reversing the phase on the newly bounced track should completely cancel out the 'mix' playing them together in real time.
 
But, on doing that, I sometimes end up hearing what sounds like a %100 wet reverb version of the vocal or whatever track has a certain reverb plugin on it.
 
(Also happens if I 'export audio' then import it back in)
 
Having  tried various combinations of exporting/bouncing/eliminating, I've found a few reverb plugins that this seems to happen with. (although I managed to single out Slate Digital's vtm  causing an issue too.)
 
I'm not talking big heavily effected/synth laden mixes. Just vocals, couple of acoustic  guitars maybe.
 
Everything in the mix is out through the master buss. Sends going to the master buss. Reverb plugins on the sends set at %100 wet.
 
Reverb plugins it seems to happen with I've found so far are (just from memory): Redline Reverb, Lexicon PCM native reverb (vintage plate?), Ik Multimedia CSR. (Don't know about Breverb).
 
The issue is there whether the reverb is used as an insert or on a send.
 
When I use Slate Digital VTM and do the 'null' test, I hear a very short, choppy, high frequency 'stutter', but I'm not sure if that's because that particular plugin's design would throw up a bit of 'randomness' on each mix.
 
... or if, indeed, there's something like 'spin and wander' on the reverb plugins causing the 'null' test to fail. Doesn't sound like it though as it's a very clear %100 reverby version of the  track with those plugins on it when the 'null' test is done.
 
Anyone else tried this and found the same? Or, anything I'm doing wrong?

Because of the nature of reverb, it will definitely stand out in the difference signal if the two instances are not identical and perfectly synced. And a bounced track should always be perfectly in sync with its live source, but there are some issues with Bitbridge where this may not be the case if you're using 32-bit synths or FX in a 64-bit project.