[sdiy] dsPICs with DACs: external 16bit?

[Andy Wilson]

Hi Michael,

I built a 4xD which I'll bring along to Cambridge next week ;->)

cheers

Andy

On 7 Jul 2008 at 20:58, Michael Zacherl wrote:

> Tom, you made my day! (I could have sought more thoroughly though
> ;-/ )
> 
> 
> On Jul 7, 2008, at 6:22 PM, Tom Wiltshire wrote:
> 
> >
> > On 7 Jul 2008, at 14:28, Michael Zacherl wrote:
> >
> >> So, more generally spoken: _If I wanted_ more accuracy, would it
> be  
> >> reasonable to fit a set of 16bit ADC/DAC on a µC board (Arduino, 
> >> PIC, ...)?
> >> I just wondered when these little things hit their limits in  
> >> respect data handling speed and I/O capabilities.
> >> Just thinking of smaller apps like delays etc.
> >>
> >>   Michael.
> >
> > Seb Francis' 4xD flanger/delay is a example of exactly this (
> http://burnit.co.uk/sdiy/index.php?page=4xd 
> >  ).
> >
> > He's got a dsPIC connected up to a 24-bit codec for input and  
> > output, though he's only using 16-bits (Cirrus 24-bit parts are so
> > cheap you might as well use them). There's another PIC to handle
> the  
> > user interface to give you the maximum number of clock cycles for 
> > the audio processing. He has some notes about using the board as a
> > general purpose DSP, and what he's already done gives some  
> > indication of what is possible. It's good work.
> >
> > If I didn't have about another million projects already, I'd build
> > one ;)
> >
> > T.
> 
> 
> 
> --
> hear the colours of noise: http://blauwurf.at
> 
> 
> 
> 
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy


---

Andy Wilson
www.techman.synth.net
techman at synth.net