Hi,
I am trying to monitor the sound card on my machines.
I have two sound cards, out of which I am able to monitor the on-board
sound device successfully, however I am facing "device open" issues while
monitoring the USB handset I have.
*the output of aplay -l is*
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: Device [Generic USB Audio Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
*My /etc/asound.conf looks like this, *
pcm.pulse_monitor {
type pulse
device alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
}
ctl.pulse_monitor {
type pulse
device alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
}
pcm.pulse_monitor1 {
type pulse
device
alsa_output.usb-0d8c_Generic_USB_Audio_Device-00-Device.analog-stereo.monitor
}
ctl.pulse_monitor1 {
type pulse
device
alsa_output.usb-0d8c_Generic_USB_Audio_Device-00-Device.analog-stereo.monitor
}
Now when I play a music on my on-board sound device (HDA Intel), and execute
*arecord -Dpulse_monitor -c2 -fS32_LE /dev/null -vvv*
I am able to monitor.
However, when I monitor and do the following,
*arecord -Dpulse_monitor1 -c2 -fS32_LE /dev/null -vvv*
*
*
*&*
*
*
*aplay -Dhw:1 -c1 -fS16_LE song.wav, *
the o/p is
*aplay: main:660: audio open error: Device or resource busy. *
*
*
Also I have noticed, if I play the song.wav first and then do the
monitoring, it still doesn't work, until song.wav is finished. I have tried
to do this on multiple machines, with no avail.
--
Thank you...
*Amar Akshat (????)*
*"Walking on water and developing software from a specification are easy
if both are frozen."*
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