key.m

清浊音判别方法,用matlab软件开发,如自相关和能量方法等

function [key_interfix,key_period] = key(filename)
y = wavread(filename);
length_y = length(y);
sum_frame = fix(length_y/308);
y_turn = y';
%load key_value;
for k = 1:sum_frame  
    temp_storeroom(k,:) = y_turn((1+(k-1)*308): k*308);
    [v_s_u,Z_period,interfix_period] = del11(temp_storeroom(k,:));
    key_vsu(k) = v_s_u;    
    key_period(k) = Z_period;
    key_interfix(k) = interfix_period;
    %key_vsu =[key_vsu v_s_u];    
    %key_period =[key_period Z_period];
    %key_interfix =[key_interfix interfix_period];
end
%save key_value key_vsu key_period key_interfix;