Re: Help with USB audio card
deloptes <deloptes@gmail.com> 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
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