[sdiy] DECISION TIME: need a Ucontroller/ARM/DSP chip that will process audio

[dan snazelle]

hmmm

from my readings on the ADC It says there is a sample and hold
i cant recall where i read that though

(this was for the atmega328)

thanks






On Mar 4, 2012, at 10:46 AM, Michael Zacherl. wrote:

> 
> On 4.3.2012, at 04:33 , Olivier Gillet wrote:
> 
> Olivier, I've to second Dan's statement: thanks for the great info!
> 
>> Don't use arduino's analogRead (it's blocking!). Learn how the ADC
>> work on the ATMega, how to configure it...
> 
> This thread also has some infos on the ADC, which is not fast at all 15kS/s at full resolution.
> http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1208715493/11
> 
> Looking at the data sheet and for instance the Uno R3 schematic I don't see a sample & hold circuit, 
> which _can_ be ok for cheap sensor applications, but not for audio, IMHO. 
> 
> Michael.  (got my first ATmega (Uno R3) board on Saturday ;-)
> 
> --
> hear the colours of noise: http://blauwurf.at
> http://soundcloud.com/noiseconformist
> 
> 
>