[sdiy] Digital is more analog than analog... and it has 319 dB headroom...

cheater cheater cheater00social at gmail.com
Sun Mar 3 08:53:50 CET 2024


> It DOES keep the noise and distortion from building up and becoming audible after dozens, hundreds, or even billions of MAC-type operations

you're wrong. i can take a full scale 64 bit floating point signal and
get you that noise and distortion in 1 multiplication, or even one
addition.

i thought we were making fun of the disinformation, not stuffing it in
a pipe and smoking it.


On Sun, Mar 3, 2024 at 4:38 AM Ben Bradley via Synth-diy
<synth-diy at synth-diy.org> wrote:
>
> The "300dB" dynamic range of "digital" totally misses the point. It
> has nothing directly to do with DR. It DOES keep the noise and
> distortion from building up and becoming audible after dozens,
> hundreds, or even billions of MAC-type operations on each 64-bit
> floating-point number. Surely he knows that, but it may be harder to
> describe and is "less impressive" than the dynamic range of lots of
> bits.
>
> On Sat, 2 Mar 2024 at 14:40, Gordonjcp <gordonjcp at gjcp.net> wrote:
> >
> > On Sat, Mar 02, 2024 at 08:19:29PM +0100, cheater cheater via Synth-diy wrote:
> > > I'll leave this here:
> > >
> > > https://www.youtube.com/watch?v=kk-3vXOAtVo
> > >
> > > and supplementary material:
> > >
> > > https://cherryaudio.com/news/flashback-friday-mark-barton-on-analog-and-modern-digital-synthesis
> > >
> > > make sure to hit the bong extra hard before you look at any of that...
> >
> > As an exercise for the student, try to work out what sort of signal levels would be involved in "300dB signal to noise ratio".
> >
> > --
> > Gordonjcp
> >
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