On Mon, Jan 02, 2006 at 01:24:59PM -0800, Bill Unruh wrote:

> >Even PLLs are often implemented using a VCXO (voltage controlled
> >xtal oscillator). You get the stability of the external reference,
> >and outside the loop bandwidth, the quality of an xtal. Standard
> >practice in all sorts of telecomm equipment, and the stability
> >requirements there are orders of magnitude more strict than for
> >audio.
> 
> Precisely. so the amount of tuning needed is very very small.

1e-5 would be a typical range. So if all soundcards have a basic
accuracy of 1e-6, and are tunable over 1e-5, they would all be
able to sync to each other. But most are much worse than 1e-6...

-- 
FA
 


-------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc. Do you grep through log files
for problems?  Stop!  Download the new AJAX search engine that makes
searching your log files as easy as surfing the  web.  DOWNLOAD SPLUNK!
http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
_______________________________________________
Alsa-user mailing list
Alsa-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/alsa-user

Reply via email to