[sdiy] move over you 32 bit DACs ...

[Mikko Helin]

I don't know what you are talking about but now as this patent is
expired you could use two of those 64-bit DAC's (or whatever), one for
the mantissa and one for the exponent:
https://patents.google.com/patent/US4951054A/en

On Fri, Feb 4, 2022 at 10:39 AM Vladimir Pantelic via Synth-diy
<synth-diy at synth-diy.org> wrote:
>
> On 04.02.22 09:21, Mattias Rickardsson wrote:
> > You're right, 64-bit is overkill after all.
> > 32-bit μ-law will do.
>
> or maybe part mantissa, part exponent?
>
>
> > Den fre 4 feb. 2022 00:46Ben Bradley via Synth-diy
> > <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> skrev:
> >
> >     I want to see the microphone/transducer that picks up 194dBSPL with
> >     any reasonable degree of fidelity.
> >
> >     On Thu, 3 Feb 2022 at 17:48, Mattias Rickardsson <mr at analogue.org
> >     <mailto:mr at analogue.org>> wrote:
> >     >
> >     > True, Harry!
> >     > And mono will do... So why is it stereo?
> >     >
> >     > /mr
> >     >
> >     > Den tors 3 feb. 2022 22:10Mr&MrsAccount <hbissell at wowway.com
> >     <mailto:hbissell at wowway.com>> skrev:
> >     >>
> >     >> Yes you will need 64 bits, but only once...
> >     >>
> >     >> Harry
> >     >>
> >     >>
> >     >> ________________________________
> >     >> From: Mattias <mr at analogue.org <mailto:mr at analogue.org>>
> >     >> To: Brian <brianw at audiobanshee.com <mailto:brianw at audiobanshee.com>>
> >     >> Cc: Synth <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>>
> >     >> Date: Thursday, 3 February 2022 3:52 PM EST
> >     >> Subject: Re: [sdiy] move over you 32 bit DACs ...
> >     >>
> >     >> Brian Willoughby <brianw at audiobanshee.com
> >     <mailto:brianw at audiobanshee.com>> skrev:
> >     >>>
> >     >>> Speaking of jet engines, I went to an AES talk where someone
> >     explained that 24 bits is enough to span the dynamic range from  the
> >     softest sound that the human ear can pick up, all the way to the
> >     pressure wave (of 2 atmospheres?) a couple of miles from an atomic
> >     blast. That convinces me that I don't need to search for a 32-bit
> >     DAC, much less a 64-bit DAC.
> >     >>
> >     >>
> >     >> 2 atmospheres... Sounds a bit like you're referring to the
> >     loudest possible sound in air, 194 dB?
> >     >> 24 bits won't take you to more than 144 dB. And since even 32
> >     bits give a futile 192.6 dB, it seems like the next level will be
> >     needed: 64 bits. ;-)
> >     >>
> >     >> /mr
> >     >>
> >     >
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