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Today's Topics:
1. Routing audio from one sound card to another (Dolevo Jay)
2. Re: Routing audio from one sound card to another (Daniel)
3. Re: Sound not working (James Board)
4. Re: Sound not working (Andrew Eikum)
----------------------------------------------------------------------
Message: 1
Date: Tue, 3 Dec 2013 12:10:01 +0000
From: Dolevo Jay <[email protected]>
To: "[email protected]"
<[email protected]>
Subject: [pulseaudio-discuss] Routing audio from one sound card to
another
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Hi all,
I am very new to pulseaudio and also to in this mailing list.
I have a pc where I have two sound cards. I have a software application which
receives audio signals from network and plays it using alsa. However, I have
two sound cards in the system and I need to have the same audio from the other
sound card as well. I tried to do this in alsa but couldn't manage it.
Therefore, I ended up here in pulseaudio. However, I have no idea where to
start and how to implement it. Is it just a matter of configuration file? My
purpose is to copy the audio which is being played in the other sound card.
Thanks a lot for your guidance.
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Message: 2
Date: Tue, 3 Dec 2013 16:01:10 +0100
From: Daniel <[email protected]>
To: General PulseAudio Discussion
<[email protected]>
Subject: Re: [pulseaudio-discuss] Routing audio from one sound card to
another
Message-ID:
<CAJd=37m1vculggdym+na9u7spohwuu9yznqburfwshynetw...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hello Jay,
yes, this is possible with pulseaudio. You can do this with manual commands
on the terminal. If you are satisfied you also can put this into your
configuration files so it's always activated at login.
First you need a list of sinks (pulseaudio outputs).
For me it looks this way (for you it may suffer from line breaks in emails):
# pactl list sinks short
0 alsa_output.pci-0000_00_1b.0.analog-stereo module-alsa-card.c
s16le 2ch 44100Hz RUNNING
1 alsa_output.pci-0000_01_00.1.hdmi-stereo module-alsa-card.c
s16le 2ch 44100Hz IDLE
it's listing all alsa sinks and so it shows my analog output and the HDMI
one. Assuming I want to have simultaneous output on both, I will load a
pulseaudio module named "module-combine-sink" using these options:
pactl load-module module-combine-sink
slaves=alsa_output.pci-0000_00_1b.0.analog-stereo,alsa_output.pci-0000_01_00.1.hdmi-stereo
(all one line, in case it breaks for you)
Now I can start playing in any application, and then I open pavucontrol.
There under "Playback" you can choose for any stream to which sink it is
routed. Here you can choose the new simultaneous sink you just created. And
immediately the audio will be sent to both alsa outputs.
2013/12/3 Dolevo Jay <[email protected]>
Hi all,
I am very new to pulseaudio and also to in this mailing list.
I have a pc where I have two sound cards. I have a software application
which receives audio signals from network and plays it using alsa. However,
I have two sound cards in the system and I need to have the same audio from
the other sound card as well. I tried to do this in alsa but couldn't
manage it. Therefore, I ended up here in pulseaudio. However, I have no
idea where to start and how to implement it. Is it just a matter of
configuration file? My purpose is to copy the audio which is being played
in the other sound card.
Thanks a lot for your guidance.
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pulseaudio-discuss mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
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Message: 3
Date: Tue, 3 Dec 2013 08:35:40 -0800 (PST)
From: James Board <[email protected]>
To: General PulseAudio Discussion
<[email protected]>
Subject: Re: [pulseaudio-discuss] Sound not working
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Your problem is not pulseaudio, it's your audio system below that. And by
attacking pulseaudio developers >or me (I am a pulseaudio user and linux system
administrator, no developer) you will not change that.
I didn't attack pulseaudio developers.? I only suggested that they create a
trouble-shooting page for people to solve simple problems like playing music
files.
Remember the blocked street and the car manufacturer.
Her's a better analogy.? You purchase a brand new car from Ford.? And the engine won't
work because the camshaft was completely worn down.? When you take it to the Ford dealer,
they say "Sorry, the problem is with the quality of steel used in the engine
design.? This problem is below Ford.? We don't make steel.? Go talk to the steel
manufacturer."? This is exactly what you told me to do.
Thanks for trying to help.
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Message: 4
Date: Tue, 3 Dec 2013 10:48:10 -0600
From: Andrew Eikum <[email protected]>
To: James Board <[email protected]>
Cc: General PulseAudio Discussion
<[email protected]>
Subject: Re: [pulseaudio-discuss] Sound not working
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
On Tue, Dec 03, 2013 at 08:35:40AM -0800, James Board wrote:
Your problem is not pulseaudio, it's your audio system below that. And by
attacking pulseaudio developers >or me (I am a pulseaudio user and linux system
administrator, no developer) you will not change that.
I didn't attack pulseaudio developers.? I only suggested that they create a
trouble-shooting page for people to solve simple problems like playing music
files.
Skipping the silly analogies for a moment, let's find out why you
don't have permission to access the sound devices.
On my system (results truncated):
$ ls -l /dev/snd
crw-rw----+ 1 root audio 116, 7 Dec 3 06:59 controlC0
The device is owned by root and in group 'audio' and has owner:rw and
group:rw permissions.
$ groups
network video audio optical storage power users
This shows my user is in the 'audio' group, so I have permission to
read/write the control device. As a result, PulseAudio is able to open
the device and play audio for me.
What's different on your system?
Andrew
------------------------------
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End of pulseaudio-discuss Digest, Vol 32, Issue 10
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