[Octave-bug-tracker] [bug #37540] wavwrite doesn't produce a valid wav file

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?37540>

                 Summary: wavwrite doesn't produce a valid wav file
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 10 Oct 2012 06:11:23 PM UTC
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Guiu Rocafort
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.3
        Operating System: GNU/Linux

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Details:

OS: GNU/Linux Kubuntu 12.04
Versions affected: 3.2.4 and 3.6.3 ( probably others also )


It seems like wavwrite don't produce a valid sound. I've tryed out generating
a simple sine wave and generating the wav. The resulting wav cannot be reader
by vlc neither mplayer. soundConverter complains about "Gstreamer: could not
determine type of stream". And opening it with audacity causes it to crash.
Because of all this, I'm arriving to the conclusion that the wav-generated
file has not the right format.

I tryed out in versions 3.2.4 and 3.6.3 ( self complied ) and I've found the
problem in both versions.

The full code that i've used to generate the wav file:

dur = 1.0;
fs = 8000;
tt = 0 : (1/fs) : dur;
xx = sin( 2*pi*2000*tt );
wavwrite( xx, fs,‘temp.wav’);




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