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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: IEEE Access. 2018 Feb 1;6:9017–9026. doi: 10.1109/ACCESS.2018.2800728

Fig. 3.

Fig. 3

This figure exhibits the mel filterbank consisting of 40 overlapping triangular filters. The filters are spaced non-linearly in the frequency domain, with the filter width smaller in the lower frequencies and broader in higher frequencies. These filters are equally spaced in the mel domain.