[sdiy] understanding direct AVR ADC...multiple channels

[Mattias Rickardsson]

On 6 March 2012 07:30, ASSI <Stromeko at nexgo.de> wrote:
> On Tuesday 06 March 2012, 03:07:57, Ove Ridé wrote:
>> REPEAT 16 TIMES{
>>   Read audio 1
>>   Read audio 2
>> }
>>
>> Read potentiometer 1
>>
>> REPEAT 16 TIMES{
>>   Read audio 1
>>   Read audio 2
>> }
>>
>> Read potentiometer 2
>
> Err... no.  You really, really want to sample audio at equidistant
> intervals.

Yes, definitely.

The other day we were trying to find the cause of an ugly strong 3.9
kHz tone in a recording. It turned out that it was the result of a
soundcard converting 48 kHz to 44.1 kHz by simply dropping each 12th
sample. It didn't sound too nice! :-)

/mr