sndfile_save.m
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上传日期:2022-01-05
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- ## Copyright (C) 2002 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