ubuntu only use 64k buffer http://lists.freedesktop.org/archives/pulseaudio- discuss/2014-October/021998.html
sample spec: s16le 8ch 44100Гц channel map: front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right Объёмный 7.1 used by: 0 linked by: 0 configured latency: 0,00 ms; range is 0,50 .. 92,88 ms https://wiki.ubuntu.com/PulseAudio/Log check whether you get underrun/overrun in verbose pulseaudio log this 92.88ms may be too small for 7.1 audio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388436 Title: ga-z97-d3h motherboard, no sound using line out To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1388436/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs