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Permission denied when I write an audio file

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I created a variable 'z' and I flipped an variable containing an audio and I assigned that flipped data to the variable 'z'.
When I tried to write that variable 'z' as an audio file I am getting this error
"Permission denied".
This is what I did-
Daniel Shub
Daniel Shub on 29 Feb 2012
Do you have write permission in the current directory?
Walter Roberson
Walter Roberson on 29 Feb 2012
Windows 7? If so then what directory name are you trying to write into?

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Answers (2)

Wayne King
Wayne King on 29 Feb 2012
Do you have write permission in the directory you are trying to write the .wav file?
Is a .wav file by that name and in that directory already open in some other program?
If the above are not true, please show the size and class of z.

gdb on 11 Aug 2012
right click on the matlab icon and run as administrator

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