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Old 29th July 2012, 10:41 AM   #1
diyAudio Member
Join Date: Feb 2005
Location: S.England
Default digital output


Is it possible to produce a digital output such as that seen for example on a Marantz CD63/67 CD player (i.e. replicate the optical output) from an analogue line level source? In other words a design for a:
Analogue line source -> ADC -> Digital optical output

I guess that the digital encoding used will be SPDIF? Not sure about this, so whatever is standard for such audio equipment digital optical interfaces?

Apologies if posted in the wrong section / the question is stupid!


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Old 29th July 2012, 03:20 PM   #2
DF96 is offline DF96  England
diyAudio Member
Join Date: May 2007
Yes, you need an ADC. This will include an anti-aliasing filter, perhaps combined with upsampling, an ADC chip, and an optical output; all surrounded by the necessary supporting circuitry.
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