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Re: Help with USB audio card




deloptes <deloptes@xxxxxxxxx> writes:

> Rodolfo Medina wrote:
>
>>   hw_ptr       : 0
>> #+                                                 | 00%^C
>> Aborted by signal Interrupt...
>> #+                                                 | 00%
>> 
>
> Before you abort, did you see any indication - these percent signs are
> actually indicating the level of the input.


This is the output without abortion:

$ arecord -c1 -Dplughw:2,0 -f cd -vv /dev/null
Recording WAVE '/dev/null' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Plug PCM: Route conversion PCM (sformat=S16_LE)
  Transformation table:
    0 <- 0
    1 <- 0
Its setup is:
  stream       : CAPTURE
  access       : RW_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 2
  rate         : 44100
  exact rate   : 44100 (44100/1)
  msbits       : 16
  buffer_size  : 22050
  period_size  : 5513
  period_time  : 125011
  tstamp_mode  : NONE
  tstamp_type  : MONOTONIC
  period_step  : 1
  avail_min    : 5513
  period_event : 0
  start_threshold  : 1
  stop_threshold   : 22050
  silence_threshold: 0
  silence_size : 0
  boundary     : 6206523236469964800
Slave: Hardware PCM card 2 'USB PnP Sound Device' device 0 subdevice 0
Its setup is:
  stream       : CAPTURE
  access       : MMAP_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 1
  rate         : 44100
  exact rate   : 44100 (44100/1)
  msbits       : 16
  buffer_size  : 22050
  period_size  : 5513
  period_time  : 125011
  tstamp_mode  : NONE
  tstamp_type  : MONOTONIC
  period_step  : 1
  avail_min    : 5513
  period_event : 0
  start_threshold  : 1
  stop_threshold   : 22050
  silence_threshold: 0
  silence_size : 0
  boundary     : 6206523236469964800
  appl_ptr     : 0
  hw_ptr       : 0
#+                                                 | 00%


> If not, is it perhaps muted?
>
> You can use to unmute
>
> alsamixer -c 2
>
> -c 2 is for the second card not to mix up with arecord -c1 which is telling
> arecord to use mono input

I unmuted it from within alsamixer menu: F6 and went into the USB card table.
Then I gave the command...

Cheers,
Rodolfo