Speech-enhancement
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LogSpectralDistance calculation
Thanks for sharing your code!
This issue is about LogSpectralDistance calculation. Source code is:
LSD=mean(sqrt(mean((log(CL(RangeBin,1:N))-log(NO(RangeBin,1:N))).^2)));
It's not consistent with the reference:
J. Du and Q. Huo, “A speech enhancement approach using piecewise linear approximation of an explicit model of environmental distortions,” in Proc. INTERSPEECH, Sep. 2008, pp. 569–572.
Difference is:
- LOG(X) is the natural logarithm of the elements of X.
- There's no 10.
Thank you for your interest to my project,
I just used already existed code so that I didn't carefully concern about the difference between the implementation that I used and that reference you mentioned.
However, I think the difference is minor when we compare our method to others