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How do I add simultaneous output to PulseAudio?
Then in terminal run paprefs, select “Simultaneous Output” tab, and check “Add virtual output for simultaneous output on all local sounds cards”. The additionally created audio output device for simultaneous output may be selected in the “Output” tab from pulseaudio sound preferences menu:
What is the command line syntax for PulseAudio?
PulseAudio provides a simple command line language used by configuration scripts, the pacmd interactive shell, and the modules module-cli and module-cli-protocol-{unix,tcp}. Empty lines and lines beginning with a hashmark (#) are silently ignored. Several commands are supported.
How to set PulseAudio profile for specific card?
Now you can set the profile for a specific card. For instance, to enable the USB card as output only, and turn off the internal card: Let’s talk about speakers first, which PulseAudio calls “sinks” (microphones are “sources”). You can list all available sinks with pacmd list-sinks if you want pages and pages of output.
How to use PulseAudio to play multiple sound devices?
Open terminal and type sudo apt-get install paprefs go to the tab exactly as per the picture above and select the option. Then; remaining in terminal, type pulseaudio -k to kill and restart pulseaudio. Then go to your sound settings and you will see the option to output to multiple sound devices.
Where do I find multiple simultaneous output devices?
From here, you can choose your new virtual simultaneous output device. It will be listed among your regular output devices in your sound settings. Go ahead and open them. On GNOME and Plasma, you can find your sound settings in the general Settings application. Other desktops will probably have either a Sound Preferences app of some sort.
How to unload PulseAudio module from command line?
To unload the module from command line and reset pulseaudio to defaults just restart pulseaudio with pulseaudio -k or issue I’ve just confirmed this solution (from 4 years ago) still works on Ubuntu 14.04 LTS. Open terminal and type sudo apt-get install paprefs go to the tab exactly as per the picture above and select the option.
How does a monitor work in PulseAudio Linux?
The de facto Linux sound system, PulseAudio , allows any sound output (or “sink” in PulseAudio’s nonclementure) to be monitored. In PulseAudio land, each sink has a corresponding “source” called the monitor source which can be read just like any other other PulseAudio input such as a microphone.
How does PulseAudio help with a volume meter?
In fact, to help with volume meter style applications, PulseAudio even allows you to ask for peak level measurements, which means you can sample the monitor sink at a low frequency, with low CPU utilisation, but still produce a useful volume display. When this feature is used, each sample read indicates the peak level since the last sample.