Subject: Re: [linux-audio-dev] syncing soundcards
From: depet_AT_gmx.de
Date: su maalis 12 2000 - 03:39:37 EST
On 12-Mar-2000 David Olofson wrote:
> On Fri, 10 Mar 2000, depet_AT_gmx.de wrote:
>> what about syncing 2 soundcards (sbawe, sb16) the hard way?
>> I mean if I would remove the crystal from the sb16 and, with
>> some soldering, share the sbawe's crystal as clock-source.
>
> Provided the "crystal" is actually an integrated oscillator (with
> Vcc, GND and a TTL or CMOS logic level output, that is), this should
> work. (Pure crystals depend on some additional components on the
> board, so you have to dig some more to insert an external clock, or to
> extract a usable signal.) You may have to use coax cable and/or some
> buffering to get a fine clock signal to the slave card.
>
> (Note: Of course, the two cards have to use the same oscillator
> frequency in their original shape, or you'll end up with one card
> behaving very strangely... :-)
cool, I'm gonna do some more testing now.
thank you.
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