At present time DirectCsound doesn't support realtime output with  more
than two audio channels.
SBLive digital output only send 48 KHz (even if it support any sampele
rate, it resamples all you send it to 48KHz).

Richard Bowers wrote:
> 
> I'm looking to get an audio card with full-duplex capability and digital i/o
> for transfer to DAT. I read the spec for the SBLive card which seems to fit
> the bill.
> 
> Does anyone have any experience of it when using Csound and/or DirectCsound?
> 
> Is it possible to use it as a four-channel card for use with the quad
> capabilities of csound? Or is the quad sound limited to the SBlive's own
> spec?
> 
> This is all a bit vague but I guess what I need to be able to do is run a
> quad output from DirectCsound, hopefully from a realtime input.
> 
> Thanks,
> Richard Bowers.

-- 
Gabriel Maldonado

http://web.tiscalinet.it/G-Maldonado/home2.htm

>Richard Bowers wrote:
>> 
>> I'm looking to get an audio card with full-duplex capability and digital i/o
>> for transfer to DAT. I read the spec for the SBLive card which seems to fit
>> the bill.

I humbly suggest you take a look at the Hoontech 4DWave cards, based
on the Trident 4D-NX chipset. They cost $39+shipping from Korea for a
card with 4 channel output (though there are some oddities about using
the rear 2 channels (*)) plus S/PDIF digital I/O (AES is an option too).
It took mine about 7 days to arrive (east coast US) via regular mail.

I have been using one with Linux (ALSA) for a few months, and am
very happy with it. There is a little bit of spectral peaking and
dipping here and there, but its a very nice card. Check out
www.hoontech.com.

--p

(*) the specs for the trident chip indicate that the rear channel
output gets routed through a reverb unit. they don't indicate how to
bypass the reverb unit. however, i imagine that under windows, this is
probably solved already. we're still trying to figure it out over on
the alsa-devel mailing list.

ps. trident wrote and donated a driver for their chipset to ALSA. if