Table 5.

Confusion matrix of consonant decoding for covert speech.

%	B_T	K_N	H_D	L_D	M_N	P_P	R_D	S_T	T_N
B_T	22.3±8.1	11.4±6.1	10.1±3.7	8.6±4.7	9.6±1.2	7.2±3.1	8.9±4.2	11.9±4.9	9.9±1.6
K_N	8.2±4.3	24.2±6.2	8.7±5.9	11.8±2.8	6.9±3.3	11.3±3.6	7.6±3.3	12.6±3.4	8.7±2.9
H_D	9.7±5.3	8.3±3.2	18.3±3.7	10.4±2.3	9.2±2.4	10.3±3.7	11.3±2.5	10.1±3.1	12.5±1.8
L_D	6.7±4.4	10.3±4.7	10.5±2.4	24.7±7.0	8.9±3.9	9.7±1.2	8.8±2.3	10.9±1.8	9.4±1.7
M_N	13.4±9.2	8.3±4.5	8.4±2.8	11.3±3.8	23.8±6.4	8.1±3.2	7.8±3.6	9.7±3.2	9.2±1.9
P_P	7.9±3.5	10.5±3.0	9.9±3.3	12.0±1.1	7.8±3.9	25.3±9.0	9.1±1.2	8.6±3.4	8.8±4.1
R_D	7.6±4.5	9.3±2.7	12.8±0.8	9.5±5.4	7.9±4.5	8.1±3.2	27.8±16.9	8.6±2.2	8.2±2.9
S_T	9.0±3.5	11.4±3.1	10.7±1.3	10.5±2.9	8.4±3.5	8.1±1.9	8.2±2.8	23.7±6.2	9.9±2.7
T_N	10.6±3.4	8.7±4.1	12.5±3.6	9.3±4.8	7.1±3.2	8.0±4.6	7.7±2.1	10.8±5.3	25.2±11.8