[sdiy] oscillator jitter / phase noise

[René Schmitz]

Hej Magnus et al.,

Magnus Danielson wrote:

>>Since most people do not have access to old gear, audio sampling
>>would be also interesting. It is easier to obtain a DAT tape
>>of a pure VCO recording then to get hold on the machine.
> 
> 
> The information is essentially lost, so for this purpose it is not usefull.


I would say, that if it isn't recordable with a DAT (or the likes), it 
shouldn't be audible on a recording. I think it would be futile to 
examine a process that is masked by the common recording methods.

But I would doubt that it can't be captured by audio rate sampling. I 
think the zero crossings might not be accurately reproduced, but any 
jitter would also pop up on the slope (think sawtooth) as well, probably 
too tiny to accurately trigger on that though.

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159