We're having two different conversations somehow, though I do appreciate you taking the time.
On Mon, Mar 7, 2016 at 11:57 AM, Paul Davis <[email protected]> wrote: > > > On Mon, Mar 7, 2016 at 2:49 PM, Charles Constant <[email protected]> > wrote: > >> Thanks Paul, >> >> The app I'm working on is an audio editor. It supports 32 or 64 bit files >> natively. >> > > What format supports 64 bit sample depth? What program creates them? > > >> >> > Since almost all AU's and AU hosts work with 32 bit floating point >> data, that's the format you're going to see by default in an ABSD. >> >> If I install an app that let me open 64bit files natively, and I run them >> through a 64bit-capable effect... it doesn't matter that the difference is >> completely imperceptible. I don't want to throw away the user's data >> without a good reason. >> >> > just so we're clear, a 32 bit sample depth captures the signal of brownian > motion in every part of the signal chain. A 64 bit floating point number > has 52 bits of mantissa. You're not throwing away data, you're throwing > away noise. > > >
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