201204 LMDE - Mic Not working & Error Messages

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201204 LMDE - Mic Not working & Error Messages

Postby lkraemer on Wed Sep 05, 2012 3:33 pm

I've been trying to get my Mic working on 201204 LMDE (XFCE4) that is installed on my Gateway MT-6840 Laptop.

Here is some information on my system:
Code: Select all
cat /proc/asound/card0/pcm0c/info

Gives these results:
Code: Select all
card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: STAC92xx Analog
name: STAC92xx Analog
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 1

And displays Card 0 (ZERO) as my Device

I make sure everything setting is at 100% Volume and NOT muted with:
Code: Select all
alsamixer -c0

Which gives me a few more choices than just the command: "alsamixer"

The following commands produce the proper sounds on playback:
Code: Select all
aplay /usr/share/sounds/alsa/Front_Left.wav
aplay /usr/share/sounds/alsa/Front_Center.wav
aplay /usr/share/sounds/alsa/Front_Right.wav
speaker-test -c 2 -l 3


I've verified that "xfce4-mixer" & "xfce4-volumed" are installed.

Next, I try to use "arecord" to capture some Mic input to a file with the attached DB Meter:
Code: Select all
arecord -vv -d 10 /tmp/test-mic.wav

Which displays some interesting ERROR MESSAGES:
Code: Select all
larry@lmde ~ $ arecord -vv -d 10 /tmp/test-mic.wav
ALSA lib conf.c:1220:(parse_def) show is not a compound
ALSA lib conf.c:1686:(snd_config_load1) _toplevel_:24:26:Unexpected char
ALSA lib conf.c:3406:(config_file_open) /usr/share/alsa/pulse-alsa.conf may be old or corrupted: consider to remove or fix it
Recording WAVE '/tmp/test-mic.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
ALSA <-> PulseAudio PCM I/O Plugin
Its setup is:
  stream       : CAPTURE
  access       : RW_INTERLEAVED
  format       : U8
  subformat    : STD
  channels     : 1
  rate         : 8000
  exact rate   : 8000 (8000/1)
  msbits       : 8
  buffer_size  : 4000
  period_size  : 1000
  period_time  : 125000
  tstamp_mode  : NONE
  period_step  : 1
  avail_min    : 1000
  period_event : 0
  start_threshold  : 1
  stop_threshold   : 4000
  silence_threshold: 0
  silence_size : 0
  boundary     : 2097152000
### +                                              | 06%
larry@lmde ~ $


I then try to play the captured information with: aplay
Code: Select all
larry@lmde ~ $ aplay /tmp/test-mic.wav
ALSA lib conf.c:1220:(parse_def) show is not a compound
ALSA lib conf.c:1686:(snd_config_load1) _toplevel_:24:26:Unexpected char
ALSA lib conf.c:3406:(config_file_open) /usr/share/alsa/pulse-alsa.conf may be old or corrupted: consider to remove or fix it
Playing WAVE '/tmp/test-mic.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
larry@lmde ~ $

Which gives me nothing but captured noise, very similar to the speaker-test sounds.

I'm wondering why there are errors for conf.c in the ALSA lib, and if those errors are preventing the Mic from working?

Does anyone have an idea on how to make "arecord" record a test file with LMDE, and make the Mic functional?

BUG REPORT - Bug #1046533


I've burned a DVD-RW of Linux Mint 13 (XFCE) and in the ALSAMIXER -> OPTIONS TAB, I have a Selection for Analog Boost -30, and these
changes along with the other Software changes and BUG Fixes have made the Mic functional in Version 13 (XFCE). It's a crying shame
this can't/won't be quickly and easily fixed on LMDE.


Thanks.

Larry
lkraemer
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Joined: Tue Apr 24, 2012 9:05 pm

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