Subject: Re: [ecasound] Consistent buffer overrun problem (?)
From: Tommi Sakari Uimonen (tuimonen_AT_cc.hut.fi)
Date: Fri Feb 27 2004 - 14:07:10 EET
> For future soundcard hardware design, there would be nice to have two more
> parts, (A) sychronization jumper, (B) two synchronization cable plugs. It
>
> Soundcards are attached to each other with syncronization cables. One of
> soundcard has synchronization jumper OFF, others have it ON. This means
> that if a card has the jumper OFF, it relies solely to its own clock. If a
> card has the jumper ON, it synchronizes periodically (say, once in a
> millisecond or less) its clock to the synchronization signal it receives
> from other cards. Well, this is only dreaming ... in reality adding
> jumpers, cable ports and changing chipsets costs a lot of $$$$$, so we
> shouldn't expect this thing take place in (at least) cheaper soundcards
> very soon.
Many high end sound cards can sync their clock from other sources (from
spdif) and some have special word clock i/o solely for this purpose.
Tommi Uimonen
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