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 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.
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,
Peter
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Received on Mon Jun 18 21:51:31 2018
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