lossyWAV beta 1.2.2b attached to post #1 in this thread.
@doccolinni: Can you tell a bit about at what second the issue arises?
Yes, it's an interesting sample for looking at how adaptive noise shaping is doing. And it's working very well when looking at the spectograms.
wheee sample lwcdf spectrogram.
This is the spectrum of the noise added by lossyWAV with -Z --adaptive.