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What I have and a map of the speakers:

http://asyndetic.com/blog/wp-content/uploads/2013/04/hp_envy15_speakers.jpg

The Model: HP Envy 15 3040nr

What this does not show is that there are actually 4 speakers in the front so in summary there are 6.1 speakers:

  • two on the front left
  • two on the front right
  • two above the keyboard
  • a sub on the bottom the laptop

The Problem:

Audio only comes out of the front, and I'm not sure if it's all four or two of the four.

I can't figure out what to do software wise, being a complete noob to Ubuntu/linux, but I got that Alsa thing if anybody wants to take a crack at it.

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The "Playback Channel Map" devices in the script output look interesting. Try running alsamixer from terminal, look if you can change something in there related to channel modes. Also have a look into audio system settings and probably kill PulseAudio with pulseaudio -k and wait for it to respwan (you can see it in the indicator). –  LiveWireBT Jun 4 '13 at 7:19
    
BTW, Maintenance and Service Guide also shows that this model has only 4.1. Having a huge mesh where the speaker is supposed to be doesn't imply a huge speaker or multiple speakers behind the mesh. h10025.www1.hp.com/ewfrf/wc/… –  LiveWireBT Jun 4 '13 at 7:36
    
Well I tried everything you said to no avail.... I also tried this reddit.com/r/linux/comments/17sov5/… but the config file does not save. Oh and the official HP guide says 4 in the front (bottom of page ten) h10032.www1.hp.com/ctg/Manual/c03317211.pdf but they might function as single units... –  theyoungest1 Jun 5 '13 at 3:31
    
hda-jack-retask is new to me I only know about HDA Analyzer alsa-project.org/main/index.php/HDA_Analyzer which doesn't look that userfriendly. Have you tried pulseaudio -k after chaning the configuration with hda-jack-retask to let PA respawn and probably find the right configuration? –  LiveWireBT Jun 5 '13 at 8:16
    
One user was able to get the subwoofer working ubuntuforums.org/… –  LiveWireBT Jun 5 '13 at 8:34
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1 Answer

The reddit post you refer to should indeed work, but if ~/.pulse doesn't exist, you need to create it, and then remove it after you apply changes in hda-jack-retask.

Note: For 13.10, it's now part of alsa-tools-gui, so after installing that, you can just run hdajackretask

More info on that here: https://launchpad.net/~diwic/+archive/hda

To make life easier while testing on 13.10, I just used the following:

ln -s .config/pulse .pulse && hdajackretask && rm .pulse && pulseaudio -k && pulseaudio -D  

Mine is setup just as the reddit post.

(I would have just commented, but I don't have enough rep. :S ).

I'm on an HP ENVY TS 15 J053cl, and sound testing with the below doesn't give me rear speakers, but they're playing audio, so guessing just as internal. (Setting them as back doesn't do any good).

I tested via:

speaker-test -c5 -l1 -twav  

I'll play with it some more when I have time, but wanted to post to hopefully help others..

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