Subject: Re: [linux-audio-dev] 64 bit float or integer
From: David G Matthews (dgm4+@pitt.edu)
Date: Sun May 20 2001 - 04:33:19 EEST
No, I'm pretty sure you still need to dither to go down to 16 bits at the
D/A. Besides, you also need to convert your float to integer eventually,
because I don't think D/A converters like floats. But floats are the way
to go for DSP, at least until right before the conversion.
-dgm
On Sat, 19 May 2001, Remco Poelstra wrote:
> On za, 19 mei 2001 18:10:28 Paul Winkler wrote:
> > Karl MacMillan wrote:
> > >
> > > On Sat, 19 May 2001, Remco Poelstra wrote:
> > >
> > > > Hi,
> > > >
> > > > Just a (simple) question: Does it make any differences in audio
> > quality,
> > > > whether a program is implemented with 64 bit float or 64 bit integer?
> > > >
> > >
> > > Yes - floating point numbers have _greatly_ increased dynamic range.
> >
> > And greatly decreased rounding errors when you do any dsp.
> >
>
> Does that mean that dithering is not necessary when converting to 16 bit
> integer for DA conversion?
>
> Remco
>
>
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