[sdiy] modern AD/DA chips?

Tom Arnold xyzzy at sysabend.org
Wed May 6 02:52:53 CEST 2009


On Tue, May 05, 2009 at 05:06:59PM -0700, Scott Gravenhorst wrote:
> >I dont see any combo ADC/DAC parts from them, although I've only spent about
> >10 minutes so maybe I've missed them.  They have some good industrial grade
> >ADCs but no Industrial DACs and the error on the audio stuff is as expected,
> >fairly poor.  Find for audio, but not for precision CV stuff.
> 
> Well, I'm not sure how much the error numbers really mean for audio.  I've got pretty
> good ears and the unit I've used (CS4344) doesn't do nasty things.  
> What are you expecting and looking for?
> How does "fairly poor" translate to what you can actually hear?

Its incredably noticable when its a CV, which is what I'm saying.  a crappy
DAC can *sound* fine ( where crappy==errorprone ).  Perfectly fine for your
CD player, not so good for generating precise predictable CVs.

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