Also it seems i have a mixer, but cant use it in alsa: --- mar...@marcel-desktop:~$ cat /dev/sndstat Sound Driver:3.8.1a-980706 (ALSA v1.0.18a emulation code) Kernel: Linux marcel-desktop 2.6.29-custom #1 SMP PREEMPT Fri Apr 3 16:53:58 CEST 2009 x86_64 Config options: 0
Installed drivers: Type 10: ALSA emulation Card config: HDA NVidia at 0xfe020000 irq 21 OmniVision Technologies, Inc. USB Camera-B4.04.27.1 at usb-0000:00:02.1-1, high Audio devices: 0: ALC888 Analog (DUPLEX) 1: USB Audio Synth devices: NOT ENABLED IN CONFIG Midi devices: NOT ENABLED IN CONFIG Timers: 31: system timer Mixers: 0: Nvidia ID 2 1: USB Mixer On Fri, Apr 3, 2009 at 2:55 PM, Marcel Koopman <marcel.koop...@gmail.com>wrote: > Hello, > > I have problems using my mic on the usb webcam. > I've tried two different webcams so I'm thinking it has something to do > with alsa. > > First, if I do arecord --list-devices, two devices show up. Thats correct. > However when i do alsamixer -c 1 I get an error. Why is that? > > Next, skype fails on me with a read error. Possible because something is > not setup correctly in alsa? > > Below i pastes some output of various commands: > > --- > mar...@marcel-desktop:~$ arecord --list-devices > **** List of CAPTURE Hardware Devices **** > card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: CameraB404271 [USB Camera-B4.04.27.1], device 0: USB Audio [USB > Audio] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > --- > mar...@marcel-desktop:~$ alsamixer -c 1 > > alsamixer: function snd_mixer_load failed: Invalid argument > > --- > mar...@marcel-desktop:~$ asoundconf list > Names of available sound cards: > NVidia > CameraB404271 > > --- > mar...@marcel-desktop:~$ skype > > RtApiAlsa: callback thread error (RtApiAlsa: audio read error for device > (USB Camera-B4.04.27.1 (hw:CameraB404271,0)): Input/output error.) ... > closing stream. > > --- > > Met vriendelijke groet, > > Marcel Koopman > -- Met vriendelijke groet, Marcel Koopman
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