Re: [LAD] Ardour session archiver (Was: new lossless/lossy audio compressor)

From: Gregory Alan Hildstrom <hildstromoo@email-addr-hidden>
Date: Thu Aug 02 2007 - 00:58:29 EEST

So does Ardour allow 32-bit float values to exceed +/-1.0?

Audacity does not seem to allow this. -Greg

--- Paul Davis <paul@email-addr-hidden> wrote:

> On Wed, 2007-08-01 at 16:42 -0400, Phil Frost wrote:
>
> >
> > I would suspect that many ardour sessions contain WAVs with floats which
> > came from a 24 or 16 bit source. I haven't looked at the jack source,
> > but it seems to me that the conversion between 32 bit floats in +/- 1
> > and 24 bit integers can be lossless. A trivial archiver could do this
> > conversion and make the session roughly 75% of the original size.
>
> not if any of them had a gain value or plugin processing that created
> even a single sample exceeding the 0dBFS value of 1.0.
>
> people who want to save 25% of their file space (and risk losing >0dBFS
> values to clipped ones) with ardour can just go to Options -> Audio File
> Format -> Data and select "24 bit".
>
> --p
>
>
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Received on Thu Aug 2 04:15:03 2007

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