Small bug I found by accident - something wrong with waveforms -> pixel aliasing in stereo track | Audacity | Page 1

strong wing Feb 10, 2026, 12:15 PM

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I wanted to diagnose some problems with audio file my friend sent me, but I had only a PC with audacity to check it out. Issue that I wanted to check is not directly related to this bug, but I was looking for a phase problem, and this bug threw me off.
It is mono recording on stereo track (both left and right track consists the same bit per bit information), but looking at waveforms there are miniscule 1px differences. I know this rarely would be the problem, but it is strange that it rounds differntly for left and for right track.

spice swift Feb 10, 2026, 1:35 PM

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Are both tracks the same height?

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Or, channels rather

strong wing Feb 10, 2026, 3:57 PM

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this is a stereo channel, it has one "height" for L and R

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or at least, I didn't changed anything apart from getting whole track a little bit taller

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this one isn't with any vertical zoom, only horizontal one, but U can see clearly that there are differences, but in reality there is none as both channel consists exactly the same data

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this is how the same place looks in wavelab

#Small bug I found by accident - something wrong with waveforms -> pixel aliasing in stereo track