On 10/30/06, Leandro Melo de Sales <[EMAIL PROTECTED]> wrote:
Hi list...
I have an usb sound system from Gradiente company (an eletronic
device factory) and I plugged it on my system. dmesg command shows
this:
input: Gradiente AS-M5X0 as /class/input/input3
input: USB HID v1.00 Device [Gradiente AS-M5X0] on usb-0000:00:1d.1-1
But when I play a mp3 media the sound is not forwarded to my usb
device, instand, the sound is still played through my integrated
laptop device.
On windows I use it without problem. So, what do I have to do to
forward the sound to my usb device?
Probably windows is disabling any existing sound card or at least
making the USB the "default" sound device. Unfortunately there is no
equivalent with alsa currently.
So assuming that you've got the alsa drivers loaded for this device
(/proc/asound/cards should contain two entries), you can usually
specify alsa device as "hw1,0". The exact method for doing this
depends on what app you are using. For example on amarok with the
xine it is under Configure Amarok... -> Engine -> ALSA Device
Configuration. If you enter hw1,0 for Stereo there, then 2 channel
audio should be played on the first pcm of the second sound card.
You should also be able to do this with a .asoundrc file, with an entry like:
pcm.default {
type hw
card 1
device 1
}
The above is really primitive, without any dmix plugin (software
mixing), so only one app could use the device at a time unless it does
hardware mixing. Mostly this is just to give you an idea of where to
look! ;-)
-Richard
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