My suggestion might be blasphemous to the true audio professionals, but I
have been very pleased overall so far with my Soundblaster Audigy 2 NX
device.  It has the potential to do 96KHz, 24-bit playback and capture.  I
have recorded at 48KHz 16-bit from its line in jack, and the quality was
excellent.  And while I was playing back 48KHz 16-bit at the same time. 
And only at USB 1.1 full-speed isochronous.

Concerning USB 2.0, I have upgraded the NX's firmware to the 12/23/03
level that should support USB 2.0, but it's still a 1.1 device under
kernel 2.4.22.

Does anyone have this device working as USB 2.0 on Linux?  One possible
explanation is that kernel 2.4.22's USB drivers don't have "other speed"
(USB_DT_OTHER_SPEED_CONFIG) support, and Creative might have implemented
support for USB 2.0 this way.  A later 2.4 or 2.6 kernel might "just work"
at USB 2.0, or does the snd-usb-audio driver have to get involved in this
negotiation?

Thanks!
John



moron said:
> Howdy.  I have been futzing around with my M-Audiophile USB for way too
> long
> now trying to get it to work reliably under Linux and as luck would have
> it,
> my old Windows install blew up today so now I am totally fubar for
> recording
> my tracks until I get this fixed.
>
> Since the Audiophile USB does not work for recording and is proving flakey
> for
> playback regardless (works sometimes, not others and I do not know why) I
> am
> curious if anyone has any recommendations for USB audio interfaces that
> will
> work with the 2.6 kernel as well as ALSA?  My requirements are simple:
> stereo
> in / out with decent sound quality (CD is good enough but must have low
> noise
> floor).  MIDI would be nice but for now just being able to record my live
> griefer sessions would be enough to tide me over.
>
> I do not want to go for a PCI solution as I expect PCI to go away soon and
> USB
> is portable to any machine I have now or will have in the future.
>
> I am thinking one of the simple Edirol UA* interfaces would do but I would
> like to hear feedback from folks using stuff for recording specifically
> before wasting more money on a non-compliant, poorly supported interface.
>
> Thanks in advance for any suggestions.
>
> It so sucks that the Audiophile USB is problematic as the sound quality is
> awesome.  Too bad the company is so unsupportive of Linux.
>
> Cheers
>
> --
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>
>
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