Re: USB audio adapters

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On Tue, 24 Feb 2009, gary wrote:

> I don't load any drivers for the Chinese knockoff for use under X64. I can 
> list the drivers used by the card if you wish. It shows up as generic USB 
> Audio.
>
> I have a HP8903 if real test specs are needed, at least at the 16 bit level. 
> [I trust test instruments, not programs.] I can view the residual on a DSA as 
> well if needed.

??? Instruments, especially today, run program. They have A-D and D-A devices
on them ( just as the sound card has) and run programs on the outputs.


>
> The knockoff uses a CM106-F+/L+. [The L+ I believe, but I would have to open 
> the box.] Specs for the DAC are listed as typical.
>
> http://www.ic-on-line.cn/IOL/viewpdf/CM106-L_1102282.htm
>
> The chip specs are pretty poor, but you can do much worse in real life.

This card was in your dreams?

>
> Of course, none of this gets the card going on my Suse linux box. I'm going 
> to investigate live CDs of other distributions to see if the problem is 
> peculiar to Suse. I posted a list of the modules Suse uses to the list.

Make sure that the various usb modules are loaded. 
modprobe snd-usb-audio,  snd-usb-lib,


>
> The Chinese knockoff and the Griffin iMIc show up under Alsamixer just fine, 
> but don't work in any programs.
>
> Bill Unruh wrote:
>
> <snip>
>
>

-- 
William G. Unruh   |  Canadian Institute for|     Tel: +1(604)822-3273
Physics&Astronomy  |     Advanced Research  |     Fax: +1(604)822-5324
UBC, Vancouver,BC  |   Program in Cosmology |     unruh@xxxxxxxxxxxxxx
Canada V6T 1Z1     |      and Gravity       |  www.theory.physics.ubc.ca/

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