filters.sof

这是一个从音频信号里提取特征参量的程序

@ Sof v1.0 @
@ Filter 0 @
algorithm = "LTI";
implementation = "CCDE";
compute_mode = "CROSS_FRAME";
ma_coef = 1.2, 0.5, 1.1, 1.0;
ar_coef = 0.5, 2.0, 0.2;
ma_lag = -2, -1, -4, 0;
ar_lag = -2, -1, -5;
debug_level = "NONE";
@ Filter 1 @
algorithm = "LTI";
implementation = "CCDE";
compute_mode = "CROSS_FRAME";
ma_coef = 2.0, 1, 0.5, 0.25;
ar_coef = 1.0, 1.1, 0.6;
ma_lag = 0, -1, -2, -3;
ar_lag = -1, -2, -4;
debug_level = "NONE";