v={'ar','er','ee','or','oo'};
df={'zero','quarter','half','one','two','four'};
for i=1:length(v)
	for j=1:length(df)
		fname1=[char(v(i)) '.' char(df(j)) '.sig'];
		fname1
		s1=load(fname1);
		soundsc(s1,10000);
		data=200*s1/rms(s1);
		fname2=[char(v(i)) '.' char(df(j)) '.mat'];
		save(fname2,'data');
	end
end