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Re: Problem using the hanning function in embedded mode

From: Sergei Steshenko
Subject: Re: Problem using the hanning function in embedded mode
Date: Sun, 23 Dec 2012 10:23:02 -0800 (PST)

> From: Nicanor García <address@hidden>
>To: address@hidden 
>Sent: Sunday, December 23, 2012 6:46 PM
>Subject: Problem using the hanning function in embedded mode
>Hello, I'm currently developing a standalone audio signal processing 
>application and I'm using octave for the processing part. I'm working in 
>Ubuntu Linux (though I'll be moving soon to Linux Mint), and using QtCreator.
>My process involves taking the FFT of the series of windows of a signal, and 
>for that I'm also using the hanning function to get a hanning window.
>The code works perfectly when run from octave in console, but when I try to 
>use it in the application I detected that the hanning function returns only 
>zeros. The same happens with the hamming function.
>This only happens when I use the embedded mode in the program.  And is the 
>only problem involving Octave I have detected.
>I searched throughly in all the resources provided by Octave and across the 
>web and found nothing about this issue, so I'm asking here for your help.
>Thank you very much.
>Help-octave mailing list

AFAIR, Octave is not thread-safe.

Without knowing how your GUI and Octave exchange data it is impossible to 
diagnose what's going wrong.


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