[time-nuts] Clocks for Audio gear

[Jim Lux]

On 5/10/12 12:44 PM, Chris Albertson wrote:
> On Thu, May 10, 2012 at 10:25 AM, Heinzmann, Stefan  (ALC NetworX
> GmbH)<Stefan.Heinzmann at alcnetworx.de>  wrote:
>
>> Benjamin and Gannon, the first reference in Ashihara's paper, come to lower figures for sinusoidal jitter with carefully selected frequencies relative to the main signal, which is also sinusoidal. Their results reach down to the single figure nanosecond range, and that can be regarded as the real limit of audibility.
>
>
> Are there any real audio systems with "sinusoidal jitter".

powerline ripple on a signal going into a threshold detector that drive 
the sample clock would be a nice way to generate sinusoidal jitter.

I've got a nice example where 66MHz processor clock modulates a 49MHz 
sample clock (well, it's not perfectly sinusoidal, but if you digitize a 
clean sine wave, you get nice aliases of the modulation frequency).




   I'd goes
> that it would all be random.      I can see where I could build a
> system with that defect if I wanted to but are there any systems on
> the market like this?
>
>
> Chris Albertson
> Redondo Beach, California
>
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