[sdiy] move over you 32 bit DACs ...
mr at analogue.org
Fri Feb 4 09:21:06 CET 2022
You're right, 64-bit is overkill after all.
32-bit μ-law will do.
Den fre 4 feb. 2022 00:46Ben Bradley via Synth-diy <synth-diy at synth-diy.org>
> 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> 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> skrev:
> >> Yes you will need 64 bits, but only once...
> >> Harry
> >> ________________________________
> >> From: Mattias <mr at analogue.org>
> >> To: Brian <brianw at audiobanshee.com>
> >> Cc: Synth <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> 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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