[time-nuts] femtosecond jitter anyone?
J.D. Bakker
jdb at lartmaker.nl
Thu Apr 9 11:17:49 UTC 2009
At 20:59 -0700 08-04-2009, Tom Van Baak wrote:
> > The incoming clock source (master house clock) to this box / design
>> of interest is in another rack mount box external to this design on
>> the other side of the room and is anywhere from 44.1kHz up to a 10MHz
>> Rubidium (see also http://www.antelopeaudio.com). This clock source
>> on the other side of the room also drives other equipment to be in
>> synch for any framing on AES/EBU digital.
>
>Can you comment more on the antelopeaudio box?
[...]
>Now if an audio company used surplus Sulzer, or FTS 1200, or
>Oscilloquartz BVA oscillators in their design, or even H-masers,
>well, that would make sense. But Rb? Something doesn't feel right
>about this.
The words 'snake oil' have been used in the audio community, for
pretty much all the reasons you've mentioned. For everything but
esoteric stuff like distributed phased microphone/speaker arrays the
drift specs of a simple TCXO are sufficient.
JDB.
--
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