?? writehtk.m
字號:
function writehtk(file,d,fp,tc)
%WRITEHTK write data in HTK format []=(FILE,D,FP,TC)
% d is data array, fp is frame period in seconds, tc is typecode
% tc is the sum of the following values:
% 0 WAVEFORM
% 1 LPC
% 2 LPREFC
% 3 LPCEPSTRA
% 4 LPDELCEP
% 5 IREFC
% 6 MFCC
% 7 FBANK
% 8 MELSPEC
% 9 USER
% 10 DISCRETE
% 64 -E Includes energy terms
% 128 _N Suppress absolute energy
% 256 _D Include delta coefs
% 512 _A Include acceleration coefs
% 1024 _C Compressed (not implemented yet)
% 2048 _Z Zero mean static coefs
% 4096 _K CRC checksum (not implemented yet)
% 8192 _0 Include 0'th cepstral coef
% Copyright (C) Mike Brookes 1997
%
% Last modified Tue May 12 16:11:32 1998
%
% VOICEBOX home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You can obtain a copy of the GNU General Public License from
% ftp://prep.ai.mit.edu/pub/gnu/COPYING-2.0 or by writing to
% Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
fid=fopen(file,'w','b');
if fid < 0
error(sprintf('Cannot write to file %s',file));
end
[nf,nv]=size(d);
hb=floor(tc*pow2(-14:-6));
hd=hb(9:-1:2)-2*hb(8:-1:1);
dt=tc-64*hb(9);
if hd(7)>0
error('CRC check not implemented in this version');
end
if hd(5)>0
error('compression not implemented in this version');
end
fwrite(fid,nf,'long');
fwrite(fid,round(fp*1.E7),'long');
fwrite(fid,nv*4,'short');
fwrite(fid,tc,'short');
fwrite(fid,d.','float');
fclose(fid);
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