## 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_play (@var{data, fs}) ## Play @var{data} at sample rate @var{fs} using the sndfile-play ## program. ## @end deftypefn ## Author: Erik de Castro Lopo ## Description: Play the given data as a sound file function sndfile_play (data, fs) if nargin != 2, error ("Need two input arguments: data and fs.") ; endif if (max (size (fs)) > 1), error ("Second parameter fs must be a single value.") ; endif [nr nc] = size (data) ; if (nr > nc), data = data' ; endif samplerate = fs ; wavedata = data ; filename = tmpnam () ; cmd = sprintf ("save -mat-binary %s fs data", filename) ; eval (cmd) ; cmd = sprintf ("sndfile-play %s", filename) ; [output, status] = system (cmd) ; if (status), disp (outout) ; endif endfunction