microphone mystery

François Patte francois.patte at mi.parisdescartes.fr
Wed Dec 21 10:32:05 UTC 2011

Hash: SHA1


I have strange problem with my integrated microphone on my laptop (dell
latitude, E6400).

1- This microphone did not work out of the box; after googling for a
while, I added a
/etc/modprobe.d/snd-hda-intel.conf file with this line:

options snd-hda-intel model=dell-m4-1

2- The microphone doesn't work at boot time. If I open
apps>sound&video>pavu, I can "see" that the microphne exists (it is an
enhancement!) but I cannot do anything to have it working.

3- If I open skype and call the "call test service" a small microphone
appears in the notification area an I can use a slide to tune the input
volume (it is still an enhancement!) but the microphone does not work!

4- If I open audacity, and press the record button.... hurrah! the
microphone works, and works also with other apps (skype, ekiga....)
until I reboot the machine.

Let us summarize: To have my mic working, proper tools for configuration
(pavu control...)  are useless, I have to use an apps which is not done
for this!

How can I configure my mic to work as soon as I log in?

Thanks for helping.
- -- 
François Patte
UFR de mathématiques et informatique
Laboratoire MAP5 --- UMR CNRS 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)1 4286 2145
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