i'm aware of ADAT, but the motivator here is cost/scalability. most ADAT interfaces are optimized for input with preamps, etc. plus it's limited to 8 channels per link, so there's recurring overhead if you want to scale higher. imagine trying to do high channel count (e.g. spatial audio) on a budget. i'm not aware of any configuration that will get you >16 channels analog for <$1k.
On Tue, Apr 3, 2018 at 8:01 AM, Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote:
the ADAT protocol has done done this a couple of decades.i fail to see the benefit over a straightforward design with as many channels as you actually want.On Tue, Apr 3, 2018 at 12:03 AM, Chris Chronopoulos <chronopoulos.chris@xxxxxxxxx> wrote:controversial claims by audiophiles notwithstanding... i'm somewhat interested in high-samplerate DAC's for the possibility of time domain multiplexing of multiple channels. 2 channels @ 384 kHz = 16 channels @ 48 kHz if you had a driver + external hardware to do the muxing/demuxing. of course you'd need some sort of "word select" embedded in the signal - perhaps you could do this with GPIO, or maybe use part of the 32 bits samples as metadata. wouldn't be easy, but i wonder if it's possible. anyway the first step would be getting a DAC like this to work with the host at these high sample rates, so if anyone has experience with that, i'd be curious to know.On Mon, Apr 2, 2018 at 10:10 PM, David W. Jones <gnome@xxxxxxxxxxxxx> wrote:
On April 2, 2018 2:29:36 PM HST, Brent Busby <brent@xxxxxxxxxxxxx> wrote:
> At my age, I fondly remember the days when I could hear up to
> 384kHz...
> Now bats and dolphins think I'm pretty ordinary.
I think my hearing dies at about 12-15K and has for decades now. Bats and dolphins ignore me entirely.
--
David W. Jones
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