5 Nov
2009
5 Nov
'09
11:01 a.m.
Hi,
however, there is at least one (not really commercially available) sound
card which utilizes the USB2 bandwidth, but being conform to the Linux
USB sound driver without any modification. This is a custom made deivce
for use with hearing aid shells, see
http://lad.linuxaudio.org/events/2009_cdm/Friday/07_Grimm/07.pdf
for a description. In its full configuration it provides six input
channels and two outputs, at 24bit/96kHz, resulting in 13500 kBit/s
capture bandwidth, and 4500 kBit/s playback bandwidth. At least the
input bit rate is above the USB 1.1 specification.
Not to useful information, just a proof that it is possible to have USB2
sound devices which are Linux snd_usb compatible.
Giso
Paul Davis wrote:
On Thu, Nov 5, 2009 at 4:06 AM, Hartmut Noack
<zettberlin(a)linuxuse.de> wrote:
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Hello,
USB1 works OK with ALSA but what is the status for USB*2*-Soundcards?
I cannot find any useful info on http://www.alsa-project.org/ . So what
are you experiences? Anybody out there working on drivers for stuff like
this:
http://de.m-audio.com/products/de_de/FastTrackUltra.html
..that is not class-compliant?? Or is it working already for anybody out
there?
i believe that clemens has stated previously:
* there is no class driver for audio on USB2 for linux
* almost all USB2 audio interfaces are not class compliant
something like that. chicken, meet egg.
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