Re: [Audacity-devel] Big Data file problem or previous misconception ?

[Dominic M. <do...@mi...>]

I figured out what's going on here.  It's not the new track that's
taking up all of the space, it's the silence!

This shouldn't be too hard to fix.  We only need one silent block
and multiple references to it.

Thanks for finding this one, Tony.

- Dominic


Anthony Airon Oetzmann wrote:
> I've been testing Audacity for splitting up CD content and stumbled upon some
> disturbing facts.
> 
> I set up a 28 minute 44.1kHz 16 bit stereo file with 'Edit Original In Place'
> and 16 bit default sample format.
> 
> After import, the data directory naturally contained little data. I set the
> cursor to the beginning of the second part of what was supposed to be the second
> track later on, marked the track to the end and activated the Edit/Split
> function.
> 
> Judging by the size of the data directory, Audacity wrote the whole bloody
> selection to disk again. I figure its a bug, since Audacity is supposed to
> reference the original data as much as possible and was only to write new data
> for changed data within its block grid(512kB right now ?).
> 
> Alas, this wastes huge amounts of HD space, but even worse, it kills off
> Audacity's editing speed in a big way when working on large selections on large
> files.
> 
> This is a definite show stopper for CD splitting work.
> 
> Change of subject.
> Should I add stuff from the online FAQ section to the downloadable docs ? I
> think it's a good idea to do so, even if we might add or change stuff in the
> online version. If we use the page as it appears in the docs(with the CSS file),
> we could even script a nightly package of the docs that takes the FAQ from the
> online version, no ?
> 
>  Tony
> 
> 
> 
> 
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