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Trying to find a spdif to COB solution
Trying to find a spdif to COB solution
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Old 25th April 2019, 05:17 PM   #1
Tjj226 is offline Tjj226
diyAudio Member
 
Join Date: Dec 2012
Default Trying to find a spdif to COB solution

Hello everyone.

I am considering building my own discrete r2r dac and I need something to convert spdif directly to a COB format.

My two sources of inspiration are Sonic Illusions and Audiophile DIYer

Discrete DAC

Discrete R2R DAC (part 1) - Audiophile Diyer

Sonic illusions is using a PMD100 digital filter that takes the incoming I2S stream and converts it to COB, however the PMD100 is also acting as a digital filter and I am trying to make this dac without any filters or oversampling. I wouldn't even mind using a digital filter chip so long as I have the choice to turn the filter on and off.

Because sonic illusions already had his incoming signal in a COB format, he was able to go straight from the parallel shift registers to the r2r ladder.

Audiophile DIYer had to flip a bit after his serial to parallel shift registers which necessitated the Dlatch buffer.

I am trying to find an elegant way to go directly from spdif to COB without any need for a digital filter or a Dlatch stage.

Does anyone know of a solution that might work?
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