?? nnsound.m
字號:
function nnsound(y,fs)
%NNSOUND Turn Neural Network Design sounds on and off.
%
% NNSOUND OFF turns off demo sounds.
% Use this to avoid annoying co-workers and to speed up
% demos with lots of sound.
%
% NNSOUND ON turns them back on.
% Use this when you to experience quadraphonic digitally
% enhanced audio entertainment and you don't care who
% knows it.
%
% Regardless of the settings described above, sound is always
% off for the Student Edition of MATLAB.
% First Version, 8-31-95.
% Copyright 1994-2002 PWS Publishing Company and The MathWorks, Inc.
% $Revision: 1.8 $
%==================================================================
global NNDSNDFLAG
if (isempty(NNDSNDFLAG) & isunix)
NNDSNDFLAG='off';
end;
if nargin == 1
fs = 8192;
end
drawnow;pause(0);
if isstr(y)
y = lower(y);
if strcmp(y,'off')
NNDSNDFLAG = 'off';
elseif strcmp(y,'on')
NNDSNDFLAG = 'on';
end
elseif ~strcmp(NNDSNDFLAG,'off') & ~nnstuded
c = computer;
if strcmp(c,'SUN4') | strcmp(c,'SOL2') | strcmp(c,'SGI') | ...
strcmp(c,'HPUX') | strcmp(c,'HP700') | ...
strcmp(c(1:3),'MAC') | strcmp(c,'NEXT') | strcmp(c,'SGI') | ...
strcmp(c(1:2),'PC')
success=1;
tic;
try, pause(0),sound(y,fs), catch, pause(0);success=0; end
if success
wait=(length(y)/fs)+.1;
while (toc<wait | toc>10) end;
end;
end
drawnow; pause(0);
end
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