1 ## Copyright (C) 1995-2012 John W. Eaton
3 ## This file is part of Octave.
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
20 ## @deftypefn {Function File} {} record (@var{sec}, @var{sampling_rate})
21 ## Record @var{sec} seconds of audio input into the vector @var{x}. The
22 ## default value for @var{sampling_rate} is 8000 samples per second, or
23 ## 8kHz. The program waits until the user types @key{RET} and then
24 ## immediately starts to record.
25 ## @seealso{lin2mu, mu2lin, loadaudio, saveaudio, playaudio, setaudio}
28 ## Author: AW <Andreas.Weingessel@ci.tuwien.ac.at>
29 ## Created: 19 September 1994
32 function X = record (sec, sampling_rate)
44 input ("Please hit ENTER and speak afterwards!\n", 1);
46 cmd = sprintf ("dd if=/dev/dsp of=\"%s\" bs=%d count=%d",
47 file, sampling_rate, sec);
51 num = fopen (file, "rb");
53 [Y, c] = fread (num, sampling_rate * sec, "uchar");
57 unwind_protect_cleanup