deloptes <delop...@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