After switching to my headphones, I activate the surround sink. This is intentional as I want surround and HRTF with my headphones. Still, the problem occurs even if this module isn't loaded. Le 31/10/2015 17:11, Raymond Yau a écrit : > > > > > > > > > Desktop > > > > Arch Linux > > > > PulseAudio 7.1 > > > > > > Using motherboard embedded sound system. > > > > > > _Rear:_ 3 regular jacks: red, green, blue > > > -> Red jack: Mic connected > > > -> Green Jack: Main speakers (Stereo) > > > > > > _Front:_ 2 regular jacks: Mic and Headphones > > > > > > Also, monitors speakers connected through HDMI to NVIDIA GTX 780. > > > > > > _*Goal:*_ This may not be straight forward from the title but I want > > > to > > > be able to listen to my headphones *only*. Currently, this is not > > > possible unless I turn off my speakers. > > > > > > _*Initial situation: *__* > > > *_ > > > Sound goes through speakers only, all good. > > > > > > _*What I do: > > > > > > *_I plug in my headphones. > > > > > > Sound goes through speakers only, all good. > > > > > > I go into PAVU, switch from "Line Out" to my headphones in front of > > > "Port" under the MOBO sink name in "Output Devices". > > > > > > _*What happens:*_ > > > > > > The sound now goes through BOTH my speakers AND my headphones while I > > > expect it to be output only to my headphones. > > > > > > _*What I try:*_ > > > > > > I switch back to Line Out port. > > > > > > Sound goes through speakers only, all good. > > > > > > I mute Line Out port. It mutes instantly, all good. > > > > > > I switch again to my headphones: Sound goes through *BOTH* my > > > speakers > > > *AND* my headphones**again. > > > > > > I switch back to the Line Out port: it is still muted, no sound from > > > either speakers or headphones. > > > > > > I switch to my headphones: faulty behaviour continues, sound through > > > all > > > ports, speakers and headphones alike. > > > > > > I switch back to Line Out port and unmute it: sound goes through the > > > speakers only, normal. > > > > > > I switch to the headphones: sound output through both speakers and > > > headphones. > > > > > > I mute the headphones port: no sound through either the speakers or > > > the > > > headphones. Both ports are muted. > > > > > > _*Questions:*_ > > > > > > Is this expected behaviour? > > > > > > How do I have the sound go through the selected port ONLY? > > > > > > Thanks in advance for your help. > > > > I suspect that the "Front" volume and mute elements can be used to > > control the line out without affecting the headphones. The problem is > > that PulseAudio's alsa configuration assumes that the "Front" element > > affects both line out and headphones (there's a comment saying that "on > > some machines Front is actually a part of the Headphone path"). > > > > /usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf > > contains this: > > > > [Element Front] > > switch = mute > > volume = zero > > > > If you change that to > > > > [Element Front] > > switch = off > > volume = off > > > > does that fix the problem for you? > > Default sink name: > alsa_output.pci-0000_00_1b.0.analog-stereo.vsurroundsink > Default source name: alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor > > Any reason for you to use vsurroumdsink? >