[LAU] 384kHz DAC - Monolith USB?
paul at linuxaudiosystems.com
Wed Apr 4 15:55:10 CEST 2018
the most likely issue with low cost stereo DACs is clocking.
the one cited by chris has its own PLL which it claims replaces the need
for a master clock if ganging them together. somehow i doubt that the
cheaper ones even bother with this, let alone pins for a master clock.
On Wed, Apr 4, 2018 at 2:24 AM, Peter <list at schmitteckert.com> wrote:
> Dear Chris,
> Am 03.04.2018 um 20:34 schrieb Chris Chronopoulos:
> > 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
> > 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.
> An alternative would consist in low-cost I2S devices, like the Adafruit
> I2S Stereo Decoder - UDA1334A.
> I don't know anything about the sound quality, but it's a stereo DAC below
> 10€. I'm not sure how many
> I2S devices you can plug at a raspberry. But since there are ALSA driver
> available, this would would provide
> a starting point to possibly connect several of those devices. This could
> be a low budget route.
> Presumably there are I2S DACs with more channels.
> In addition, last December there was a thread on "recommendations for
> output-only audio devices",
> where a < https://www.minidsp.com/products/usb-audio-interface/u-dac8 >
> was mentioned.
> Best regards,
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
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