Re: Unable to microphone

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On Sun, 2011-06-05 at 11:32 -0700, JD wrote:
> On 06/04/11 20:33, Zoltan Hoppar wrote: 
> > Hi,
> > 
> > Possibly you have an IRQ routing problem. As I have with my Azalia HDA
> > Intel card. All you need to do is make an alsa-base.conf file under
> > /etc/modprobe.d as root with the following single line:
> >  options snd-hda-intel position_fix=1
> > 
> > and save it.
> > 
> > After syster restarts, you'll have your mic. If not, then report to me back.
> > 
> > Cu,
> > 
> > Zoltan
> > 
> > 2011/6/5 JD <jd1008@xxxxxxxxx>:
> > > On 06/04/11 19:50, Michael Wiktowy wrote:
> > > > On Sat, Jun 4, 2011 at 10:49 PM, JD<jd1008@xxxxxxxxx>  wrote:
> > > > > On F14.
> > > > > Pulseaudio daemion is running.
> > > > > I can hear media playing.
> > > > > But I am unable to use microphone.
> > > > > i,e. no matter what app I use the mic
> > > > > with, (as in skype, or  gnome-sound-recorder
> > > > > or aurecord), my mic does not pick up my voice.
> > > > > I have a built-in and an external. Neither one
> > > > > is picking my voice.
> > > > > gnome-volume-control-applet shows me that
> > > > > I can select mic1 or mic2 as input.
> > > > > Neither one is working.
> > > > > I wonder if this is a pulseaudio issue?
> > > > Try installing pavucontrol. Click on the Input Devices tab. Unlock the
> > > > two sliders and move *one* to mute.
> > > > 
> > > > Does that give you any capture volume?
> > > > 
> > > > /Mike
> > > Did that. I experimented with sliding the left chanel all the way
> > > back, and tried to record. No sound. Only some white noice
> > > in the right speaker.
> > > Then I tried with sliding the right chanel all the way back.
> > > Still no sound from recording. White noise from left speaker.
> > > the gnome-sound-recorder has a level meter while recording.
> > > The level meter does not budge.
> > > 
> > > 
> > > 
> > > --
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> > > 
> > 
> > 
> Tried it.
> Did not help at all.
> Skype still cannot hear the mic.
> Interestingly, when I look at skype options (devices),
> I only have the option of pulseaudio for both
> mic and audio out.
> 
> When I use the /gnome-sound-recorder, it says that the
> input is Capture, and it does not provide any options.
> When I click on the Capture to see if it will give me 
> adrop down menu,  Capture text box just turns blue.
> 
> This is really great support for audio :) :)
> I do not recall having this problem prior
> to pulseaudio.

What's your hardware?

I had the problem with F13/F14 and resolved it as suggested here:
https://bugzilla.redhat.com/show_bug.cgi?id=616197.  Searching Bugzilla
for "microphone" turns up a bunch of F15-related stuff that may offer
other hints.

The advent of pulseaudio seems to have been concurrent with the advent
of new hardware technologies like the mic/webcam combo in my laptop.  So
I reserve judgment on the culpability of pulseaudio.

-- 
                Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs
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