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I think this is a pretty simple concept. I have one sound card and one pair of bluetooth headphones. I want to play my audio through both my sound card and my bluetooth headphones.

I believe Windows has checkboxes allows you to "check" outputs to enable/disable them, but Ubuntu seemingly has the equivalent of radio selectors (you can only select one at a time).

Bonus Question: On a similar note, I have 5 analog output channels on my sound card (in addition to my digital & HDMI audio) -- I would like to be able to determine what comes out of each of those ports (e.g. "front speakers" on all 5 or "front", "center", "back", etc).

Thanks in advance!

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1 Answer 1

up vote 8 down vote accepted

With paprefs Install paprefs you have access to a virtual output device that enables simultaneous output to all attached sound cards/devices:

paprefs

The additionally created audio output device for simultaneous output may be selected in the "Output" tab from pulseaudio sound preferences menu:

enter image description here

In this example it is shown for a HDMI-device but as soon as your Bluetooth device is recognized it will also be available for simultaneous output.

The changes may need a restart of pulseaudio to take effect either by logging out and back in to your session or by running pulseaudio -k in a terminal.

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This gets the job done. As I get deeper into audio development, I would really like to be able to select specific devices and/or ports, though. –  Nathan J. Brauer Nov 13 '11 at 3:14
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@NathanJ.Brauer: you may be interested in this answer. For changing ports see also the pulseaudio wiki I linked to there. –  Takkat Nov 13 '11 at 7:43
    
but what if i want to use the built-in speakers along with an audio line that does not have bluetooth? i used this solution but since the audio jack is not connected to something that has an audio card, sound options does not recognize it... –  user38744 Dec 21 '11 at 5:59
    
Is there any way to fix the delay between bluetooth speaker and build in speakers? It seems to me that they are quite in syc one time and far appart another. –  seb Apr 20 '12 at 7:29
    
The delay comes from buffers needed for the A2DP protocol. Not much we can do about this, unfortunately. –  Takkat Apr 20 '12 at 7:51

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