2008/8/7 Andrea Venturi <[EMAIL PROTECTED]>
> Marcus Better wrote:
>
>> Matthias Breier wrote:
>>
>>
>>> on my Dell Inspiron 1525 with Sigmatel STAC9228 audio chip I have a small
>>> but rather inconvenient problem. Everything except the microphone jack in
>>> front of the notebook seems to work correctly. The external microphone of
>>> my headset records only noise, when I use it in Linux.
>>>
>>>
>>
> hi,
>
> i've been succesfully playing with mic input, these days, on my Dell
> Studio 15 (alsa called Inspiron 1535), and i think it could help you.
>
> now, i can use both (each at a time) the internal mic (next to the webcam
> on top of the display) and an external one connected to the Mic LineIn Jack
> Port.
>
> don't know if my hints can help you, as i have a lightly different codec
> (92HD73C1) with this subsystem 0x10280254
>
> you can find the info here: /proc/asound/card0/codec#0
>
> =====================
> [EMAIL PROTECTED]:~$ head /proc/asound/card0/codec#0
> Codec: IDT 92HD73C1X5
> Address: 0
> Vendor Id: 0x111d7675
> Subsystem Id: 0x10280254
> Revision Id: 0x100202
> No Modem Function Group found
> Default PCM:
> rates [0x5e0]: 44100 48000 88200 96000 192000
> bits [0xe]: 16 20 24
> formats [0x1]: PCM
> =======================
>
> now, if i want to capture voice from one input (i tried both skype and
> audacity) i have to set these three controls:
>
> amixer sset 'Mic Mixer' 80% cap
>
> amixer sset 'Capture' 80% cap
>
> amixer sset 'Digital' 80%
>
>
> you could vary the levels depending on your needings..
>
>
> then i have to switch between internal (embedded) and external mic with
> these command:
>
> for embedded:
>
> * amixer sset 'Digital Input Source' 'Digital Mic 1'
>
> for external mic:
>
> * amixer sset 'Digital Input Source' 'Analog Inputs'
>
> that's all. hope it helps!
>
> you can find some more stuff, together with info about Linux on this Dell
> computer, on this page :
>
> http://www.avalpa.com/assets/andrea/studio15/debian_on_dell_studio15.html
>
>
>
It seems that I am the only one without a Digital volume for capturing.
That is why my digital mic works (skype, xvidcap) but sounds too low.
Does anyone know it there is patch for this, or Dell just uses hardware
with different capabilities?
Thanks.
--
Paulo Roma Cavalcanti
LCG - UFRJ
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