| ## Copyright (C) 2002-2011 Erik de Castro Lopo |
| ## |
| ## 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, 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 should have received a copy of the GNU General Public License |
| ## along with this file. If not, write to the Free Software Foundation, |
| ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| ## -*- texinfo -*- |
| ## @deftypefn {Function File} {} sndfile_save (@var{filename, data, fs}) |
| ## Save the given @var{data} as audio data to the given at @var{fs}. Set |
| ## the sample rate to @var{fs}. |
| ## @end deftypefn |
| |
| ## Author: Erik de Castro Lopo <erikd@mega-nerd.com> |
| ## Description: Save data as a sound file |
| |
| function sndfile_save (filename, data, fs) |
| |
| if nargin != 3, |
| error ("Need three input arguments: filename, data and fs.") ; |
| endif |
| |
| if (! isstr (filename)), |
| error ("First parameter 'filename' is must be a string.") ; |
| endif |
| |
| if (max (size (fs)) > 1), |
| error ("Second parameter 'fs' must be a single value, not an array or matrix.") ; |
| endif |
| |
| [nr nc] = size (data) ; |
| |
| if (nr > nc), |
| data = data' ; |
| endif |
| |
| samplerate = fs ; |
| wavedata = data ; |
| |
| str = sprintf ("save -mat-binary %s samplerate wavedata", filename) ; |
| |
| eval (str) ; |
| |
| endfunction |