[time-nuts] Discussion of precise time and frequency measurement

Chris Albertson albertson.chris at gmail.com
Thu Jun 30 16:48:50 UTC 2011


On Thu, Jun 30, 2011 at 12:54 AM, Hal Murray <hmurray at megapathdsl.net> wrote:

> If you have a known-good (accurate?) signal going into you audio channel, you
> can compute the actual clock frequency of the audio capture path.

The problem is that it takes a long time to see a small error.   If
the oscillator in the audio card is not stable then you can't do those
long term tests because the results change faster than you can measure
them
-- 

Chris Albertson
Redondo Beach, California



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