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Hello,
I have trouble using the microphone of my laptop.
I'm using the currently latest official Arch Linux kernel:
3.3.2-1-ARCH
Here's "lspci":
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Universal Host Controller #5 (rev 05)
00:1a.7 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Universal Host Controller #1 (rev 05)
00:1d.7 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation QS67 Express Chipset Family LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
02:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01)
03:00.0 PCI bridge: Intel Corporation Device 151a (rev 01)
04:00.0 PCI bridge: Intel Corporation Device 151a (rev 01)
04:03.0 PCI bridge: Intel Corporation Device 151a (rev 01)
04:04.0 PCI bridge: Intel Corporation Device 151a (rev 01)
05:00.0 System peripheral: Intel Corporation Device 151a (rev 01)
"arecord -l" shows the following:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: Cirrus Analog [Cirrus Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Here is the output of "amixer":
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 115
Mono: Playback 69 [60%] [-23.00dB] [on]
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 115
Mono:
Front Left: Playback 105 [91%] [-5.00dB] [off]
Front Right: Playback 105 [91%] [-5.00dB] [off]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 115
Mono:
Front Left: Playback 105 [91%] [-5.00dB] [on]
Front Right: Playback 105 [91%] [-5.00dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume penum
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 231 [91%] [-4.80dB]
Front Right: Playback 231 [91%] [-4.80dB]
Simple mixer control 'Mic',0
Capabilities: cvolume penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 3
Front Left: Capture 3 [100%] [30.00dB]
Front Right: Capture 3 [100%] [30.00dB]
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'IEC958',1
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'IEC958',2
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 63
Front Left: Capture 51 [81%] [0.00dB] [on]
Front Right: Capture 51 [81%] [0.00dB] [on]
Simple mixer control 'Digital',0
Capabilities: cvolume penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 120
Front Left: Capture 0 [0%] [-30.00dB]
Front Right: Capture 0 [0%] [-30.00dB]
Sounds play just fine by the internal speakers or the headphones.
I'm testing the microphone by using the following commands:
# arecord -d 3 /tmp/test-mic.wav
# aplay /tmp/test-mic.wav
Last edited by JoKo (2012-05-19 09:45:24)
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I'm having the same issue (Macbook Air 4,2 microphone seemingly not working). I didn't look into it much, just tried to use it in skype and hunted in alsamixer for some switch that would have muted it. I would be quite interested if you figured it out
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I find it interesting that the ubuntu wiki claims that the microphone works perfectly "out of the box" on 12.04: https://help.ubuntu.com/community/MacBo … Microphone
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I'm having the same issue. Though, interestingly enough, the Google talk plugin picks up the mic just fine for Google+ Hangouts.
Last edited by efleming969 (2012-05-15 01:39:07)
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Sorry for not answering this earlier... I have installed pulseaudio and microphone now seems to be working in applications. Anyway, +1 to Google+ Hangouts
Last edited by JoKo (2012-05-19 09:27:26)
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I haven't tried pulseaudio yet, but I noticed that it works in audacity if I record in stereo mode (though it only comes in as one channel), and doesn't work in mono mode. Skype, at least, has no option for stereo mode mic; maybe pulseaudio has some extra mapping that fixes this
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I've affected by this issue too. Mic doesn't work in Skype, but works fine in Google Hangouts+.
Is there solution without PulseAudio?
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I'm still using PulseAudio, but the official website mentions it as optional. Maybe you are missing a lib32-alsa package?
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Has anyone found a fix for this that doesn't involve installing pulseaudio? I just tried installing pulseaudio and it didn't work for me.
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