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group_delay_feature idct(1:30) #11

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DeeDive opened this issue Jul 31, 2019 · 0 comments

DeeDive commented Jul 31, 2019

SignalGraph/signal/phase/modified_group_delay_feature.m

Line 52 in e86d973

smooth_spec = idct(dct_spec(1:30,:), NFFT/2+1);

I'm confused with this 1:30, how does it works and why 30?

Thanks.

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