[time-nuts] Allan Deviation question

[Jim Lux]

On 7/6/12 7:51 AM, Azelio Boriani wrote:
> Yes, I'm also interested in how-to. At the moment I think it is a hack:
> there is no sound card AFAIK that accepts a reference input. I have
> recently bought an Acqiris/Agilent DP105/U1067A 150MHz 500Ms/s digitizer
> PCI card that accepts an external 10MHz as a reference for the sampling
> process.
>

while there are no "sound cards" (in the sense that they physically plug 
into the PC bus) with external clock inputs, there are quite a few sound 
interfaces that take a sample clock input (e.g. at 44.1, 48,96, 192) of 
some sort.

A lot of them use 1394/Firewire (for historical reasons)

what you're looking for is "word clock in"  or similar things


> On Fri, Jul 6, 2012 at 4:43 PM, Stewart Bryant <stewart at g3ysx.org.uk> wrote:
>
>> ... and running it to a sound card (oscillator gps disciplined)
>>
>> How did you achieve this?
>>
>> Thanks
>>
>> Stewart
>>
>>
>>
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