PulseAudio
更換輸出
GUI:
$ pavucontrol
CLI:
$ pacmd list | rg "active port"
active port: <analog-output-speaker>
active port: <analog-output-headphones>
active port: <analog-input-internal-mic>
$ pacmd set-sink-port 0 analog-output-speaker
$ pacmd set-sink-port 0 analog-output-headphones
$ pacmd list | rg "Default sink"
Default sink name: alsa_output.pci-0000_00_1f.3.analog-stereo
$ pacmd set-sink-port "alsa_output.pci-0000_00_1f.3.analog-stereo" analog-output-speaker
重啟
檢查是否已經有在跑：
$ pulseaudio --check
kill 掉已經在跑得程式：
$ pulseaudio -k
如果沒有 Daemon 就開一個：
$ pulseaudio --start
設定檔
/etc/pulse/default.pa
Echo Cancellation
在設定檔裡加上：
load-module module-echo-cancel
GUI
pavucontrol
常用指令
pacmd list-sources
pacmd list-sinks
pactl load-module module-echo-cancel