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How come DAC and Cable dont mix?

Hey all,
I wanted to hook up my TW Cable box (Pioneer Digital DVR) box to my Theta DAC for 2 channel occasional music sessions but I get a pulse sound and thats it, is this a PCM sound?
I dont get how come any digital siganl cant be hooked up to the DAC...please educte me, and thanks Chad
chadnliz
reubent
6,988 posts
 
Chad,

The TW box outputs Dolby Digital 2.0, 2.1 or 5.1. This is not compatable with a DAC that requires PCM input.

I've tried several different STBs from TW and none of them are configurable for PCM. Sorry, but it ain't gonna work!

TIC
chadnliz OP
3,736 posts
 
damn I was really pumped about getting it to work too, thanks for the reply Ruebent.
edesilva
768 posts
 
Might ask the local company... CATV mega-companies were generally formed by acquisitions, so there isn't really any standardization, even in systems owned by the same parent (my provider--Comcast--uses Sci. Atlanta STBs, but their system in DC, only 4 miles away, uses Motorola STBs). I have a Sci. Atlanta STB that I can configure to output PCM compatible with my 2CH DAC--my last two STBs by the same mfr couldn't be set up that way.
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