[LAU] large .wav file in Ardour - problems

[Renato]

On Mon, 11 Oct 2010 23:19:03 +0200
Robin Gareus <robin at gareus.org> wrote:

> On 10/11/10 22:58, Renato wrote:
> > Hello, 
> > I made a large recording in Ardour. The .wav file is 4.9 gb. I'm
> > having problems with it and I don't understand if the file is faulty
> > or if it's something related with the wav format, which seems to
> > have some problems with large files (or am I wrong?).
> > I suspect it could be faulty because the recording in Ardour
> > actually went on untill there was no more disk space, at which
> > point it obviously stopped. So maybe there could be something wrong
> > in the header?
> > 
> > The symptoms are: in Ardour (2.8.11 BTW), with a "small" zoom (such
> > that I can see all 5 hours of recording in one screen), I can see
> > the contour of the waveform only to a certain point, at approx. 1h
> > 30m, and thereafter only silence. 
> > 
> > Strange thing number one is, if I zoom in, at a certain point the
> > waveform appears also for the second part.
> > 
> > Strange thing number two is whenever I move the transport bar to a
> > part of the region in the "fake silence zone" and hit play, the
> > transport starts moving from there, but the audio is actually
> > playing *from the beggining* of the region (so more than 1h and 30m
> > before). If I pause, move the transport bar and hit play, the audio
> > now starts from where it had left... 
> > 
> > Strange thing number three is that strange thing number two stops
> > happening if I put the transport before the 1h 30m point, hit play,
> > and go through that point (after which I hear silence)
> > 
> > Do I have any chances of getting back the whole audio file?
> 
> yes.
> 
> http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-April/068862.html

many thanks to those that responded and to Erik for writing this, it
saved me!

cheers
renato