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[Octave-bug-tracker] [bug #49927] wavread/audioread refuses to continue


From: anonymous
Subject: [Octave-bug-tracker] [bug #49927] wavread/audioread refuses to continue reading wav-file
Date: Sun, 25 Dec 2016 14:06:45 +0000 (UTC)
User-agent: Mozilla/5.0 (Linux; Android 5.0.2; LIFETAB_S1034X Build/LRX22L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Safari/537.36

URL:
  <http://savannah.gnu.org/bugs/?49927>

                 Summary: wavread/audioread refuses to continue reading
wav-file
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sun 25 Dec 2016 02:06:44 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Performance
                  Status: None
             Assigned to: None
         Originator Name: kml
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Microsoft Windows

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Details:

Wavread / audioread refuses to continue reading a WAV-File after having read a
few thousand 4096-sample blocks of 16-Bit Stereo (4 Bytes). The error message
is "out of memory or dimension too large...". The number of blocks
successfully read was once 4000, in a second try 2280. In the command
interface I could still declare e.g. a new variable of 100x100 double values.
The "whos" command reported memmory use of just somewhat above 1 MByte. It is
a PC running Windows 7 Premium Home 64 Bits with 4 GByte memory installed.
After that it was not even possible to read the first block of the wav-file.
After a restart the block with sample numbers in the 16-million range could be
read. The same code runs under MATLAB without this problem.





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