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On Wed, Jul 13 2016, wabe wrote: |
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> allan gottlieb <gottlieb@×××.edu> wrote: |
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> |
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>> On Wed, Jul 13 2016, wabe wrote: |
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>> |
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>> > allan gottlieb <gottlieb@×××.edu> wrote: |
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>> > |
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>> >> On Wed, Jul 13 2016, Canek Peláez Valdés wrote: |
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>> >> |
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>> >> > On Wed, Jul 13, 2016 at 12:55 PM, allan gottlieb |
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>> >> > <gottlieb@×××.edu> wrote: |
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>> >> >> Hardware: Dell Latitude E7450 laptop |
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>> >> >> |
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>> >> >> Gentoo essentially all stable |
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>> >> >> Gnome / Systemd |
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>> >> >> |
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>> >> >> When I play a movie using totem it sounds fine if no headphones |
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>> >> >> are plugged it. |
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>> >> >> |
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>> >> >> No sound at all with headphones (I tried three different ones). |
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>> >> >> |
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>> >> >> The sound settings gui recognizes that headphones are in. The |
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>> >> >> sound test is silent. If I select the internal speakers in the |
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>> >> >> gui (with the headphones still in) sound is fine. |
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>> >> >> |
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>> >> >> Is there some headphone option I must enable in the kernel or |
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>> >> >> elsewhere? |
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>> >> > |
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>> >> > The volume is probably muted for the headphones. Install |
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>> >> > pavucontrol, and execute it while the movie is playing. In the |
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>> >> > "Output Devices" tab look for your sound card (probably something |
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>> >> > like "Built-in Audio"), and in port select "Headphones". Then |
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>> >> > adjust the volume. |
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>> >> > |
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>> >> > Regards. |
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>> >> |
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>> >> Thank you (and robot1). I installed pavucontrol and followed your |
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>> >> instructions. The volume was selected in the middle (100%). We |
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>> >> see a volume meter going up and down as expected with either |
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>> >> headphones or speakers selected. When mute is pressed the meter |
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>> >> looks dead, as expected. |
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>> >> |
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>> >> It also shows line-out is unplugged and headphones are plugged it. |
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>> >> |
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>> >> Any thoughts. I appreciate the help. |
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>> > |
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>> > Maybe the headphone amp or the headphone socket of your soundcard |
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>> > is broken. Plug the speakers into the headphone socket and test if |
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>> > you can hear something. For my experience you can do that without |
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>> > the risk of killing something, but of course I can give you no |
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>> > guarantee. :-) |
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>> e> |
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>> > -- |
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>> > Regards |
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>> > wabe |
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>> |
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>> I can't do that this week. I can try it next week at home where I |
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>> think I have speakers that plug in. |
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> |
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> If your headphones are headsets with microphones it maybe could be |
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> that the headphone socket of the soundcard isn't compatible with |
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> the plugs of the headphones. But that's just a thought. I never had |
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> a soundcard where this was the case. |
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> |
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> -- |
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> Regards |
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> wabe |
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They are just earbuds, no mic. But maybe the port of the laptop assumes |
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a mic + headphone (i.e., three signals mic, left "ear", right "ear" as |
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used for cell phones. I have one of those at home I can try this |
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weekend. |
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thanks, |
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allan |
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