vtset.m

来自「这是一个用于语音信号处理的工具箱」· M 代码 · 共 93 行

% Function : Create a graphical user interface (GUI) to 
%        (1) display the voicetypes of the speech signal
%        (2) change the voicetypes using the mouse.
%
% Vtset.m is a call_function executed by "m_pb_vt" on figure(m_win_f).
%

  %--------------------------------------------------%
  % plot the voivetype along with the speech signal  %
  %--------------------------------------------------%
cfram=1; % the frame number of currently displaying
clear sf_flag;

Vtset_f=figure('Unit','Normalized',...
        'Numbertitle','off',...
        'Color',[.5 .5 .5],...
        'Position',[.35 .5 .65 .4], ...
	'Name','Voicetype Display and Manual Modification');

axes('Position',[.06 .13 .88 .7],'Box','on','Visible','off');
whitebg(Vtset_f,'w');

% provide the shifting functions

shitf_text=uicontrol('Style','text',...
        'Units','normalized','Position',[0.01 .875 .11 .08],'String','Shift frames',...
        'BackGroundColor',[0.68 0.68 0.68]);

shift_left=uicontrol('Style','Pushbutton',...
	'Unit','Normalized','Position',[.13 .875 .04 .08],'String','<',...
        'Callback','sf_flag=1;vt_plt;');
%callback function [vt_plt.m]

frame_pts=uicontrol('Style','edit', ...
	'Unit','Normalized','Position',[.18 .875 .06 .08],'String',num2str(cfram),...
        'Callback','sf_flag=2;vt_plt');
%callback function [vt_plt.m]

vt_text=uicontrol('Style','text',...
        'Unit','Normalized','Position',[.25 .875 .09 .08],'String','unvoiced');

shift_right=uicontrol('Style','Pushbutton',...
	'Unit','Normalized','Position',[.36 .875 .04 .08],...
        'String','>','Callback','sf_flag=-1;vt_plt');
%callback function [vt_plt.m]


chg_vtp=uicontrol('Style','Pushbutton', ...
	'String','Change voicetype' ,...
        'Units','normalized','Position',[.43 .875 .17 .08],'BackgroundColor',[.5 .5 .5],...
        'ForegroundColor','black',...
        'Callback','vtchg;');
%callback function [vtchg.m]

undo_pb=uicontrol('Style','Pushbutton', ...
	'String','Undo' ,...
        'Units','normalized','Position',[.62 .875 .1 .08],'Callback','App=0;vtapp;');
%callback function [vtapp.m]

app_pb=uicontrol('Style','Pushbutton', ...
	'String','Apply' ,...
        'Units','normalized','Position',[.74 .875 .1 .08],'Callback','App=1;vtapp;');
%callback function [vtapp.m]

return_pb=uicontrol('Style','Pushbutton',...
        'Units','normalized','Position',[.86 .875 .1 .08],...
        'Callback','close(Vtset_f);clear cfram vctyp1;',...
        'String','Return');

  %--------------------%
  % plot the voicetype %
  %--------------------%

% get the display signal

clear signal vctyp0 sf_flag;

% set the temporary value
  if exist('vctyp3')==0
      vctyp1=vctyp;
  else
      vctyp1=vctyp3;
  end

axes('Position',[.06 .1 .88 .6],'Box','on','Visible','off');
plot(vctyp1,'b');
xlabel('frame');
title('blue line is the old-voicetype & red ''+'' is the new-voicetype');
nfram=length(vctyp1);
text(nframe/2,1.3, '1=Voiced');
text(nframe/2,-0.3,'0=Unvoiced');
axis([1 nfram -0.5 1.5]);