Trainable windows for SincNet architecture

EURASIP Journal on Audio, Speech, and Music Processing

Table 2 The coefficients of Cosine-Sum windows, where K is the number of coefficients, as defined in Eq. 4

	Window function	\(a_0\)	\(a_1\)	\(a_2\)	\(a_3\)	\(a_4\)	\(a_5\)	\(a_6\)	\(a_7\)	\(a_8\)	\(a_9\)
Coefficients of fixed Cosine-Sum windows (*Group1-A*)	Hamming	0.5400	0.4600
	Hann	0.5000	0.5000
	Blackman	0.4200	0.5000	0.0800
	Nuttall	0.3636	0.4892	0.1366	0.0106
	Blackman-Harris	0.3588	0.4883	0.1413	0.0167
	Flattop	0.2156	0.4166	0.2773	0.0836	0.0069
Coefficients of trained Cosine-Sum windows (*Group1-B*)	K=1	0.3102	0.6754
	K=2	0.2161	0.4907	0.2940
	K=3	0.2896	0.3509	0.2041	0.1572
	K=4	0.2398	0.3127	0.1862	0.1606	0.0818
	K=5	0.2442	0.2794	0.1794	0.1758	0.0626	0.0576
	K=6	0.0769	0.2079	0.2706	0.1836	0.1216	0.0981	0.0423
	K=7	0.2540	0.2563	0.1297	0.1241	0.0671	0.0819	0.0284	0.0492
	K=8	0.2177	0.2600	0.1211	0.1283	0.0644	0.0704	0.0655	0.0370	0.0333
	K=9	0.1821	0.2075	0.1334	0.1184	0.0633	0.1075	0.0567	0.0562	0.0524	0.0167