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TonyB wrote:

If the PC is a master sending the data (and generating the clock), I would not use it. That is why I would go for one of the PRO (expensive, e.g. Lynx AES 16) cards which can accept master clock when sending data. Can your Bidat generate or accept master clock?

My Larvy ADC can send out clock reference data via a different interconnect. I might get one of these Lynx AES 16 and synchronize the Larvy internal clock with the sound card clock. How important it is and if it would be generally necessary I do not know. As far as publishing data from PC into Bidat if might be different that might not need any synchronizing. Bidat runs it own cClok algorithm that recognizes the clack mark right inside the main digital stream. After Bidat get it is tune own clock to the clock of the source. Once agene, how it all actually affects Sound I have no slightest idea.

TonyB wrote:

but it re-samples the data received from PC in its internal DSPs.

I begin to panic what I hear the DSP word… :-)

TonyB wrote:

If you're sure you're not going to do the DA or AD conversion in the card, then the AES16 is all you need. However, if you might want to try just using the AD conversion on the cards (which might be just fine, hard to say without trying), then you'll want the L22 or Two model which have converters on board. They won't get in the way of digital use, and will let you experiment with using the card itself as ADC. Though I'd be surprised if it were as good as an external box, I would say it's worth a try. The AES16 basically just gives you more channels of digital for your dollar - but you only need two channels.

Still, the AES16 is even more expansive then L22 but the question still reminds if I would need a “good” card of I do juts digital in and out. Hantra uses SPDIF output right on motherboard and he believes that it is not bad. So, if I use any simple bypass supported soundcard, for instance the one with SPDIF that I have now, and terminate the cable form Larvy DAC with SPDIF connector instead of the AES then will it be the same. The reason why I am interested about it is not that would like to save myself $700 (that would not hurt) but because I would like to found out some logic or reasoning behind all of it.

Rgs,
Romy the Cat

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