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Old 08-08-2008, 06:42 PM   #1
Gatemaze
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acer5920g built-in microphone does not work on ubuntu 8.04


Hi,

I have an acer5920g running ubuntu 8.04(.1) 2.6.24-19-generic. The built-in microphone does not work. I have unmuted it from the volume control panel and I can hear a hiss sound, however, I cannot hear my own voice which I think should happen, I cannot record from audacity or I cannot talk through any voip softphone. Any ideas?

Cheers.

Follows lspci output if it helps
Code:
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 03)
00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
01:00.0 VGA compatible controller: nVidia Corporation GeForce 8600M GT (rev a1)
06:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN Network Connection (rev 61)
08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
0a:09.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
0a:09.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
0a:09.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12)
0a:09.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
0a:09.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev ff)
 
Old 08-09-2008, 08:06 PM   #2
Gatemaze
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Well the solution was to explore a bit more the setting of the volume control and enable the recording ones.... from there onwards the mic works just fine... just in case anyone else bumps into similar problems.
 
Old 10-15-2008, 06:56 PM   #3
zetheroo
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How??? Please do tell ....

Hi there,
I have the same chipset and am running Ubuntu Hardy but I cannot for the life of me get the mic (internal or external) to work.

Please tell how exactly you got it working...

There are MANY ppl with the same issue who have found no solution...

Thanks
 
Old 10-15-2008, 09:28 PM   #4
jlinkels
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For one you have to assert the "capture" controls in Kmixer (or alsa mixer or Gnome mixer) and maximize the mic boost. That was the only thing wrong in my Thinkpad.

jlinkels
 
Old 10-16-2008, 05:09 AM   #5
zetheroo
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How??? Please do tell ....

OK ... I am running Hardy (Gnome) and I have activated each and everything in the volume control and pushed it all up to max.... and still I get white noise and very bad pickup.

Could you tell me exactly what the layout of your volume control is, or even take some snapshots and post them of your volume controls and capture controls etc?

Thanks
 
Old 10-16-2008, 08:06 PM   #6
jlinkels
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http://pdis.rnw.nl/~hansl/links/mix.jpg

Note that the indicators below the capture are lighted. Dunno why I have two of each, maybe cuz I have an internal and an external mic. At the moment I asserted capture Skype started working.

A lot of noise doesn't sound good (no pun intended). Are you sure your hardware is OK. Did you try to boot your computer in uh... well... Windows and test?

jlinkels
 
Old 10-17-2008, 01:32 AM   #7
zetheroo
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OK this is strange ... you seem to have much more to your mixer than I do!?

This is my codec:

zeth@zeth-ubuntu:~$ cat /proc/asound/card*/codec\#*|grep -i codec
Codec: Conexant CX20549 (Venice)


What is your codec?
 
Old 10-18-2008, 09:30 AM   #8
jlinkels
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Funny.. I don't have a sound card accoring to /proc/sound. This is what lspci says:

00:1f.5 Multimedia audio controller: Intel Corporation 82801BA/BAM AC'97 Audio (rev 01)
Subsystem: Compaq Computer Corporation Unknown device 000b


jlinkels
 
Old 10-19-2008, 03:43 AM   #9
zetheroo
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Well its pretty obvious that you don't have the same Sound Card as Gatemaze and myself .... so its not much of a help.

I suppose Gatemaze is no longer watching this thread ... pity
 
Old 03-26-2012, 08:16 PM   #10
jmlm_1970
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How to make microphone work!

The only solution to make microphone work is to install linux-backports-modules-alsa-generic...

Just go to:

Menu / System / Administration / Synaptic Package Manager

And search and mark for installation:

linux-backports-modules-alsa-generic

tip: if you have multiple versions click on the first and read the description which should inform what name to install...

If after the reboot and mic mute is off, still does not work, just go to terminal and type:

sudo nano /etc/modprobe.d/alsa-base.conf

and add or change the following:

options snd-hda-intel model=auto enable=yes

Then Ctrl+X, type Y to write and exit, reboot and mic will work.

Bye and have lots of fun with Ubuntu (the best).
 
  


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