How to set sample rate for webcam microphone

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Hello,

I have already solved this issue once, but forgot how I did it....

After installing openSUSE 12.1 a problem occured again I once solved.
When I use my Logitec webcam C270 my voice is by far too high with
Skype. I also use pulseaudio.

I have tried to use ~/.asoundrc with the following content, but it did
not work. How can I adjust the sample rate of the usbmic now? And, how
do I get the Alsa name like "usbmic", what Alsa command tells me the
device names?

Thanks in advance
Malte


.asoundrc:

#pcm.pulse {
#    type pulse
#    }
#    ctl.pulse {
#    type pulse
#}



#pcm.!default {
#       type pulse
#       }
#       ctl.!default {
#       type pulse
#}



pcm.usbmic {
        type rate
        slave {
                pcm "hw:1,0"
                rate 16000
        }
        converter "samplerate_best"
}

#slave {
#    pcm "hw:0,0"
#    period_time 0
#    buffer_time 0
#    period_size 2048 # jm: much smoother than 1024/8192!
#    buffer_size 64000
#    rate 44100
#     }

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