agif.m

这是一个用于语音信号处理的工具箱

%
% Automatic glottal inverse filtering algorithm
% Various analysis method could be chosen
% Author : Minkyu Lee
% Date 12-Oct-1994
% Modified by D. G. Childers
%

PV=[100 20 300 380];
s2 = 'Automatic GIF contol box';

% Open analysis window
while exist('agif_con_win_h')==1
   try1 = 'get(agif_con_win_h,''position'');';
   eval(try1,catch2);
   if check ==0
      clear agif_con_win_h;
      check = 1;
      break;
   end
   s1 = get(agif_con_win_h,'Name');
   if ~strcmp(s1,s2)
      clear agif_con_win_h;
      break;
   end
   figure(agif_con_win_h);
   break;
end;

if exist('agif_con_win_h')~=1;
   
   % If the end points of analysis frame is not defined, return
   if exist('xsmax') ~=1 | exist('xsmin') ~= 1
      disp('Please select the analysis frame first');
      return;
   end

   ydata_m=speech(xsmin:xsmax);

   % Open control box for automatic glottal inverse filtering

   	
   agif_con_win_h=figure('Position',PV,...
      'Resize','on',...
      'Numbertitle','off',...
      'color',BACK_COLOR,...
      'Name',s2);

   % Checkbox for Pitch Asynchronous GIF 

   agif_cb_asyn_h=uicontrol('Style','Checkbox',...
      'Position',[10 170 200 20],...
      'String','Asynchronous Analysis',...
      'Value',asyn_flag);

   % Checkbox for Iterative analysis
   
   agif_cb_iter_h=uicontrol('Style','Checkbox',...
      'Position',[10 140 200 20],...
      'String','Iterative Analysis',...
      'Value',iter_flag);

   % Checkbox for ARMA model analysis 

   agif_cb_arma_h=uicontrol('Style','Checkbox',...
      'Position',[10 110 200 20],...
      'String','ARMA Model Analysis',...
      'Value',arma_flag);

   % Checkbox for Closed LP analysis 

   agif_cb_clpc_h=uicontrol('Style','Checkbox',...
      'Position',[10 80 200 20],...
      'String','Closed LPC Analysis',...
      'Value',clpc_flag);

   % Checkbox for Closed WRLS analysis 

   agif_cb_cwrls_h=uicontrol('Style','Checkbox',...
      'Position',[10 50 200 20],...
      'String','Closed WRLS Analysis',...
      'Value',cwrls_flag);

   agif_pb_can_h=uicontrol('Style','Pushbutton',...
      'Position',[20 10 80 30],...
      'Callback','agif_go',...
      'String','Go');


   agif_pb_re_h=uicontrol('Style','Pushbutton',...
      'Position',[120 10 80 30],...
      'Callback','agif_ca',...
      'String','Cancel');

end;