Re: Minimum period size of M-Audio Delta 44?

[asbjs@stud.ntnu.no (Asbjørn Sæbø)]

On Fri, Sep 09, 2005 at 03:48:18PM +0200, Clemens Ladisch wrote:
> Asbjørn Sæbø wrote:
> > What is the minimum period size of the M-Audio Delta 44 soundcard when
> > running under ALSA?
> 
> The snd-ice1712 driver uses a minimum period size of 80 bytes.

So the period size is given in bytes, not in frames or samples?
(Well, they are of course closely coupled.)

> > (I am thinking of bying such a card, but would prefer the
> > attainable latency to be low.)
> 
> The ICE1712 chip uses 40 bytes per frame (ten channels with 32 bits),
> so the minimum latency at 96 kHz would be 0.02 milliseconds.

That should suffice ;-)

The Delta 44 is a four-channel device.  If the chip is capable of 10 
channels, what happens to the other six?

Thanks!
Asbjørn



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