Thanks for your response. I will attempt your recommendation.
pacat -r -d alsa_input.pci-_00_14.2.analog-stereo | pacat -p -d
alsa_output.pci-_00_14.2.analog-stereo.monitor
This will certainly not work. YOu are trying to record from your input
device (mic) and then play it back via another input device (the monitor
of you output is an input!).
That's what I thought that command was doing, but I didn't have the confidence
of a good knowledge base to rule it out.
This means that you will effectively be recording both your mic and the
output of your sound card and playing back both streams on the null
sink. As it is a null sink you wont be able to hear it, but you should
be able to see the VU meter in the playback tab of pavucontrol.
When you say I won't be able to hear it, do you mean the recorded stream, or do
you mean everything even my VoIP conversation?
Thanks.
Dear PulseAudio community,
My apologies if this is either a double post or simply a stupid
question. As the subject line suggests I'm interested in recording
something like a Skype conversation. I say something like a Skype
conversation because I work with some similar voip teleconferencing
programs other than Skype.
I've been looking in several places for some information. Hopefully I'm
close to having a solution, but I'm not quite there.
pacat -r -d alsa_output.pci-_00_14.2.analog-stereo.monitor
I've used the above command to capture audio passing through my sound
server.
Good so far.
I've also added a virtual device in my
/etc/alas/pulse-default.conf file. So I can also capture that audio
with other programs such as Audacity.
THis is not really correct. For one you should not really edit the
system files, but instead edit your own users' ~/.asoundrc file.
Secondly, what definition did you add here? In theory you should need
none. You generally should just tell audacity to use pulse then when
it is recording fire up an application like pavucontrol, go to the
Recording tab and locate the Audacity recroding stream, then move it
so that it is recording from the monitor device you want. This choice
will be remembered for next time.
So I need to include my
microphone to the recording.
I've found the following command, which doesn't work for me, to pass two
streams:
pacat -r -d alsa_input.pci-_00_14.2.analog-stereo | pacat -p -d
alsa_output.pci-_00_14.2.analog-stereo.monitor
This will certainly not work. YOu are trying to record from your input
device (mic) and then play it back via another input device (the monitor
of you output is an input!).
If you were to play it back properly, it would sound awful to the person
speaking on the VoIP app in question.
I'll outline my recommendation below.
The above results in:
Stream error: No such entity
write() failed: Broken pipe
for me.
So, is there a way to combine my two devices? I'm assuming something
like a pacmd script will do the trick, but I don't yet understand how
the module-combine statements work.
Well module-combine is technially module-combine-sink. i.e. is allows
you to combine multiple outputs, but not multiple inputs.
What you want to do is take two inputs (your mic and the monitor of your
output) and combine then and record them. There is not (currently) a
module-combine-source so this is impossible.
However you can do soemthing that approximates this.
Firstly load a null sink:
pactl load-module module-null-sink sink_name='foo'
Then load two module loops backs:
pactl load-module module-loopback
pactl load-module module-loopback
Using pavucontrol, connect the output of the two loopbacks to the null
sink. Connect the input of the two loopbacks to:
alsa_output.pci-_00_14.2.analog-stereo.monitor
and
alsa_input.pci-_00_14.2.analog-stereo
This means that you will effectively be recording both your mic and the
output of your sound card and playing back both streams on the null
sink. As it is a null sink you wont be able to hear it, but you should
be able to see the VU meter in the playback tab of pavucontrol.
Then in order to record the combined result, you will simply select
foo.monitor.
pacat -r -d foo.monitor
Jobs a good 'un! :p
HTHs
Col
--
Colin Guthrie
gmane(at)colin.guthr.ie
http://colin.guthr.ie/
Day Job:
Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
Mandriva Linux Contributor [http://www.mandriva.com/]
PulseAudio Hacker [http://www.pulseaudio.org/]
Trac Hacker [http://trac.edgewall.org/]
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