Thanks a lot for your reply. I've checked the setting as suggested but the result is the same
[daniel@localhost ~]$ aumix -q
vol 81, 81, P
pcm 52, 52
speaker 100, 100
line 100, 100, P
mic 100, 100, R
cd 0, 0, P
pcm2 74, 74
igain 100, 100
line1 0, 0, P
phin 0, 0, P
phout 74, 74, P
video 100, 100, P
[daniel@localhost ~]$ amixer scontents
Simple mixer control 'Master',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65536
Mono:
Front Left: Playback 52852 [81%] [on]
Front Right: Playback 52852 [81%] [on]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch cswitch-joined
Capture channels: Front Left - Front Right
Limits: Capture 0 - 65536
Front Left: Capture 65536 [100%] [on]
Front Right: Capture 65536 [100%] [on]
When I do alsamixer -c 0 and while viewing all channels these are the values presented:
Item: Master [dB gain=-9.00, -9.00]
Item: Master Mono [dB gain=-12.00]
Item: Headphone [dB gain=-12.00, -12.00]
Item: Headphone Jack Sense [Off]
Item: PCM [dB gain=-10.50, -10.50]
Item: Surround [dB gain=-46.50, -46.50]
Item: Surround Jack Mode [Shared]
Item: Center [dB gain=0.00]
Item: LFE [dB gain=-46.50]
Item: Line [dB gain=12.00, 12.00]
Item: Line Jack Sense [Off]
Item: CD [dB gain=-4.50, -4.50]
Item: Mic [dB gain=12.00, 12.00]
Item: Mic Boost (+20dB)
Item: Mic Select [Mic2]
Item: Phone [dB gain=-34.50]
Item: PC Speaker [dB gain=0.00]
Item: Aux [dB gain=-34.50, -34.50]
Item: Mono Output Select [Mix]
Item: Capture [dB gain=22.50, 22.50]
Item: Channel Mode [2ch]
Item: Downmix [Off]
Item: Exchange Center/LFE [Off]
Item: Exchange Front/Surround [Off]
Item: Exchange Mic/Line In [Off]
Item: External Amplifier
Item: Spread Front to Surround and Center/LFE [Off]
Item: Stereo Mic
Item: V_REFOUT [0 V]
What else can I try? I'm I missing something obvious here?
Cheers,
Daniel
On 16/02/2008, James Shatto <Shadow_7@xxxxxxxxxxxxx> wrote:
> When I do "arecord -d 10 -f S16_LE -r 48000 -c 2
> -t wav foobar.wav" and I literally put one of the
> speaker at full volume in one of my ears I can
> hear a very vere low volume version of myself.
That's always a good sign.
> _REFOUT=High-Z
High-Z is high impedence(Mega Ohms). Generally meant for guitars that plug directly in for recording. Put that on a mic and if you don't have awesome gain, it's gonna make that signal very weak. If you can change that setting, then do. That is if you're not playing electric guitar as the input source.
$ aumix -q
That's what I normally use to show me my settings. Mic + iGain need to have values other than 0. At least that how it used to work for me. Aumix doesn't seem to play well with multiple soundcards. So I don't use it much anymore.
$ amixer scontents
A bit verbose, but it should give you some details. Check out the Capture, Mic, and Mic Boost settings.
$ alsactl store (or restore)
To save or restore whatever settings you've adjusted. My distro(debian) checks for these stored settings before it'll even think of restoring them from some other app like aumix. Basically if /etc/asound.state exists, mixer settings are restored from there.
$ alsamixer -c 0
To adjust mixer settings the alsa way(F1 for hotkey list). For some settings, it's the only way to access them. At least that was the case for some headphone jacks on dell laptops.
HTH
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