On Fri, Nov 24, 2017 at 4:38 PM, Clemens Ladisch via Alsa-user <
alsa-user@lists.sourceforge.net> wrote:
> Kent Tong wrote:
> > Simple mixer control 'Capture',0
> > Front Left: Capture 63 [100%] [30.00dB] [on]
> > Front Right: Capture 63 [100%] [30.00dB] [on]
> > Simple mixer control 'Input Source',0
> > Items: 'Front Mic' 'Rear Mic' 'Line'
> > Item0: 'Front Mic'
> > Simple mixer control 'Front Mic Boost',0
> > Front Left: 2 [67%] [20.00dB]
> > Front Right: 2 [67%] [20.00dB]
>
> This looks OK. Did you try to record from the front mic?
>
Yes.
> > Simple mixer control 'Capture',1
> > Front Left: Capture 0 [0%] [-17.25dB] [off]
> > Front Right: Capture 0 [0%] [-17.25dB] [off]
> > Simple mixer control 'Input Source',1
> > Items: 'Front Mic' 'Rear Mic' 'Line'
> > Item0: 'Rear Mic'
> > Simple mixer control 'Rear Mic Boost',0
> > Front Left: 0 [0%] [0.00dB]
> > Front Right: 0 [0%] [0.00dB]
>
> You have a second capture device (see "arecord -l"), which is currently
> configured to record silence.
>
Below is the output of "arecord -l". I have no idea what that Alt device is.
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: Generic Analog [Generic Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: Generic Alt Analog [Generic Alt
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
> Which device did you try to use? Can you try both?
>
>
I only use the front mic.
> > Simple mixer control 'Line Boost',0
> > Front Left: 0 [0%] [0.00dB]
> > Front Right: 0 [0%] [0.00dB]
>
> Does the line input work?
>
>
how to test that?
Thanks a lot for your help!
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Alsa-user mailing list
Alsa-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/alsa-user
