Am 04.12.20 um 17:49 schrieb Len Ovens:
On Fri, 4 Dec 2020, Michael Jarosch wrote:
Knowing, that the Korg has no audio-abilities, I checked
:~$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x4001110000 irq 134
1 [Loopback ]: Loopback - Loopback
Loopback 1
2 [DSP ]: H-DSP - Hammerfall DSP
RME Hammerfall HDSP 9652 at 0xa0100000, irq 17
3 [KONTROL49 ]: USB-Audio - KONTROL49
KORG INC. KONTROL49 at usb-0000:00:14.0-2, full
speed
Nothing wrong here. It is the same with any USB midi device. I have:
$ cat cards
0 [M66 ]: ICE1712 - M Audio Delta 66
M Audio Delta 66 at 0xc080, irq 19
1 [AudioPCI ]: ENS1370 - Ensoniq AudioPCI
Ensoniq AudioPCI ENS1370 at 0xc000, irq 16
2 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf7c00000 irq 33
3 [AudioFire12 ]: Fireworks - AudioFire12
Echo Digital Audio AudioFire12 v4.8, GUID
0014860268b568f1 at fw1.0, S400
4 [UM1G ]: USB-Audio - UM-1G
Roland UM-1G at usb-0000:00:1a.0-1.4, full speed
Ah, okay!
But:
$ ls UM1G
id midi0 usbbus usbid usbmixer
This shows that this device is a midi device.
A USB device with audio looks like:
$ ls Device
id pcm0c pcm0p stream0 usbbus usbid usbmixer
notice the two sub directories: pcm0c pcm0p which show this device
has one capture device (pcm0c) and one playback device (pcm0p).
so what do you see when you do:
:~$ ls /proc/asound/KONTROL49
id midi0 oss_mixer usbbus usbid
oss_mixer looks suspicious…
Greets!
Mitsch
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