Editing audio display bugs - with pictures!

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ston
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2013/08/27 13:11:54 (permalink)

Editing audio display bugs - with pictures!

I've been seeing some weird display behaviour in X2a recently when trying to make fine audio edits.  So, I took some screenshots that illustrate the problems.
 
I've selected some noise that I want to silence, here's the original selection:
 

 
Now I scroll horizontally, note the distance between A and B now, and also what the selection 'shadow' is now covering. I have not zoomed at all and the selection range is clearly the same.  At this level of zoom, if you scroll right or left then the waveform moves with respect to the timeline and in a non-linear fashion too (the movement increases as the waveform approaches the edge of the screen, causing a 'bunching up' effect; B and C are still the same distance apart).
 

 
Zoomed in a little bit more, I have again selected some noise to silence:
 

 
I apply the silence (gain process), but look at what the display is now showing:
 
 
 
The selection range has not changed but the right hand waveform has apparently moved very far to the right.
 
These issues only seem to occur at certain zoom levels and I think that they are only display problems, i.e. the software is actually processing the audio correctly.
 
If you're zoomed in very far they don't seem to occur, neither when you are zoomed far out.
However, those are not the levels of zoom I need to work at.  The levels of zoom I often want to work at are those which exhibit the above types of bugs.
 
Anybody else seeing this behaviour?
 
TIA
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    brundlefly
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    Re: Editing audio display bugs - with pictures! 2013/08/27 15:32:09 (permalink)
    I've not seen that before, and can't reproduce it now. Could possibly be an interoperability issue with your particular video card - what is it? Maybe try clearing your Picture Cache.
     
     

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    ston
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    Re: Editing audio display bugs - with pictures! 2013/08/28 04:49:50 (permalink)
    It's an Nvidia GTX 460.  Latest stable drivers etc.  No graphical issues with any other application whatsoever.  This is pretty basic 2D stuff.
     
    I can try the picture cache thing I suppose, is that a Sonar thing?
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    bitflipper
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    Re: Editing audio display bugs - with pictures! 2013/08/28 10:00:51 (permalink)
    I've seen this on many occasions, going back to SONAR 5. Different zoom levels exhibit different degrees of error, so the simple workaround is to use another zoom level. It's a minor annoyance, not a showstopper.


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