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Table 4 The STOI of the proposed algorithm and the contrast algorithm

From: Multi-resolution auditory cepstral coefficient and adaptive mask for speech enhancement with deep neural network

Noise type SNR (dB) STOI (score) Noise type SNR (dB) STOI (score)
Noisy speech Contrast1 Contrast2 Proposed algorithm Noisy speech Contrast1 Contrast2 Proposed algorithm
Buccaneer1 10 0.905 0.945 0.947 0.948 hfchannel 10 0.908 0.950 0.949 0.950
5 0.832 0.902 0.900 0.903 5 0.848 0.916 0.914 0.917
0 0.738 0.834 0.835 0.836 0 0.776 0.869 0.863 0.869
− 5 0.630 0.749 0.743 0.750 − 5 0.694 0.804 0.799 0.805
Buccaneer2 10 0.931 0.955 0.955 0.956 Leopard 10 0.953 0.968 0.966 0.967
5 0.871 0.913 0.913 0.914 5 0.923 0.943 0.938 0.939
0 0.824 0.843 0.845 0.847 0 0.877 0.907 0.894 0.903
− 5 0.675 0.754 0.750 0.758 − 5 0.823 0.848 0.843 0.842
Babble 10 0.929 0.944 0.945 0.941 m109 10 0.969 0.978 0.978 0.978
5 0.858 0.891 0.883 0.880 5 0.934 0.955 0.953 0.954
0 0.757 0.806 0.782 0.777 0 0.871 0.912 0.907 0.907
− 5 0.633 0.655 0.624 0.650 − 5 0.775 0.834 0.836 0.830
Destroyerengine 10 0.923 0.956 0.959 0.959 Machinegun 10 0.968 0.974 0.975 0.975
5 0.867 0.926 0.927 0.929 5 0.941 0.960 0.960 0.961
0 0.788 0.867 0.875 0.875 0 0.901 0.939 0.930 0.940
− 5 0.688 0.796 0.796 0.798 − 5 0.839 0.901 0.901 0.902
Destroyerops 10 0.936 0.955 0.952 0.956 Pink 10 0.930 0.957 0.956 0.957
5 0.873 0.907 0.910 0.910 5 0.868 0.915 0.916 0.916
0 0.784 0.840 0.839 0.840 0 0.776 0.834 0.849 0.850
− 5 0.667 0.730 0.732 0.733 − 5 0.663 0.753 0.748 0.753
f16 10 0.930 0.959 0.979 0.979 Volvo 10 0.988 0.990 0.994 0.995
5 0.869 0.920 0.922 0.922 5 0.980 0.983 0.989 0.990
0 0.782 0.864 0.863 0.864 0 0.967 0.974 0.980 0.981
− 5 0.673 0.778 0.772 0.779 − 5 0.945 0.957 0.963 0.965
Factory1 10 0.924 0.940 0.942 0.942 White 10 0.930 0.956 0.957 0.957
5 0.857 0.880 0.885 0.888 5 0.874 0.922 0.921 0.922
0 0.759 0.805 0.796 0.805 0 0.802 0.847 0.862 0.863
− 5 0.643 0.660 0.658 0.661 − 5 0.720 0.772 0.788 0.788
Factory2 10 0.956 0.968 0.967 0.968 Street 10 0.925 0.948 0.950 0.953
5 0.913 0.937 0.936 0.937 5 0.897 0.916 0.920 0.925
0 0.840 0.876 0.874 0.876 0 0.809 0.835 0.833 0.837
− 5 0.736 0.792 0.789 0.795 − 5 0.756 0.795 0.792 0.800
Office 10 0.915 0.925 0.923 0.927 Average 10 0.937 0.956 0.958 0.960
5 0.837 0.842 0.840 0.845 5 0.885 0.919 0.919 0.920
0 0.740 0.765 0.763 0.767 0 0.811 0.859 0.862 0.862
− 5 0.605 0.612 0.615 0.620 − 5 0.715 0.775 0.773 0.778