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