Pipewire setup examples

drmacro · 16 April 2025 13:46

I have a PC that has multiple outputs on the MOBO.

In the past (with Debian) and pulse I had it configured to offer the outputs as separate outputs. (This allowed using something like Calf crossover to split an audio stream and send Carla to wire it to the appropriate out for high, low, sub.)

I am looking for info on how to define the onboard outputs in this way with pipewire.

Much of the info I’ve found on the web has given me an inkling of how to do it, but, I love to find more definitive info. The examples for surround sound, etc. don’t provide clarity…at least for my age muddled brain.

Any suggestions welcome.

soundofthunder · 16 April 2025 16:27

Please provide system information as described (below).

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Required reading

Resources

Tomek · 16 April 2025 17:36

Try qpwgraph or other gui mentioned on Arch Wiki - with them you can freely manipulate and redirect outputs anywhere.

drmacro · 16 April 2025 19:16

System:
  Kernel: 6.14.0-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 14.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.14-x86_64
    root=UUID=b1e5a73f-8c3a-41ba-b650-e410abdf8f42 rw plymouth.enable=0
    disablehooks=plymouth resume=UUID=6091dcd2-1fa9-4c25-9ce6-ae3c1846a2fc
    udev.log_priority=3
  Desktop: KDE Plasma v: 6.3.4 tk: Qt v: N/A info: frameworks v: 6.12.0
    wm: kwin_x11 vt: 2 dm: SDDM Distro: Manjaro base: Arch Linux
Machine:
  Type: Desktop Mobo: ASUSTeK model: M5A97 R2.0 v: Rev 1.xx
    serial: <superuser required> part-nu: SKU uuid: <superuser required>
    BIOS: American Megatrends v: 2603 date: 06/26/2015
Battery:
  Device-1: hidpp_battery_2 model: Logitech K520 serial: <filter>
    charge: 70% (should be ignored) rechargeable: yes status: discharging
  Device-2: hidpp_battery_3 model: Logitech Wireless Mouse serial: <filter>
    charge: 55% (should be ignored) rechargeable: yes status: discharging
Memory:
  System RAM: total: 16 GiB available: 15.51 GiB used: 4.31 GiB (27.8%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 32 GiB slots: 4 modules: 4 EC: None
    max-module-size: 8 GiB note: est.
  Device-1: DIMM0 type: DDR3 detail: synchronous unbuffered (unregistered)
    size: 4 GiB speed: spec: 1600 MT/s actual: 800 MT/s volts: N/A width (bits):
    data: 64 total: 64 manufacturer: Crucial part-no: BLS4G3D1609DS1S00.
    serial: <filter>
  Device-2: DIMM1 type: DDR3 detail: synchronous unbuffered (unregistered)
    size: 4 GiB speed: spec: 1600 MT/s actual: 800 MT/s volts: N/A width (bits):
    data: 64 total: 64 manufacturer: Crucial part-no: BLS4G3D1609DS1S00.
    serial: <filter>
  Device-3: DIMM2 type: DDR3 detail: synchronous unbuffered (unregistered)
    size: 4 GiB speed: spec: 1600 MT/s actual: 800 MT/s volts: N/A width (bits):
    data: 64 total: 64 manufacturer: Crucial part-no: BLS4G3D1609DS1S00.
    serial: <filter>
  Device-4: DIMM3 type: DDR3 detail: synchronous unbuffered (unregistered)
    size: 4 GiB speed: spec: 1600 MT/s actual: 800 MT/s volts: N/A width (bits):
    data: 64 total: 64 manufacturer: Crucial part-no: BLS4G3D1609DS1S00.
    serial: <filter>
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: AMD FX-6350 bits: 64 type: MCP arch: Piledriver level: v2
    built: 2012-13 process: GF 32nm family: 0x15 (21) model-id: 2 stepping: 0
    microcode: 0x6000852
  Topology: cpus: 1x dies: 1 clusters: 1 cores: 6 smt: <unsupported> cache:
    L1: 288 KiB desc: d-6x16 KiB; i-3x64 KiB L2: 6 MiB desc: 3x2 MiB L3: 8 MiB
    desc: 1x8 MiB
  Speed (MHz): avg: 1405 min/max: 1400/3900 boost: enabled scaling:
    driver: acpi-cpufreq governor: schedutil cores: 1: 1405 2: 1405 3: 1405
    4: 1405 5: 1405 6: 1405 bogomips: 46956
  Flags: 3dnowprefetch abm aes aperfmperf apic arat avx bmi1 clflush cmov
    cmp_legacy constant_tsc cpb cpuid cr8_legacy cx16 cx8 de decodeassists
    extapic extd_apicid f16c flushbyasid fma fma4 fpu fxsr fxsr_opt ht
    hw_pstate ibpb ibs lahf_lm lbrv lm mca mce misalignsse mmx mmxext monitor
    msr mtrr nodeid_msr nonstop_tsc nopl npt nrip_save nx osvw pae pat
    pausefilter pclmulqdq pdpe1gb perfctr_core perfctr_nb pfthreshold pge pni
    popcnt pse pse36 rdtscp rep_good sep skinit ssbd sse sse2 sse4_1 sse4_2
    sse4a ssse3 svm svm_lock syscall tbm tce topoext tsc tsc_scale vmcb_clean
    vme vmmcall wdt xop xsave
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: ghostwrite status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed mitigation: untrained return thunk; SMT disabled
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines; IBPB: conditional; STIBP:
    disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: NVIDIA GA106 [GeForce RTX 3060 Lite Hash Rate] vendor: ZOTAC
    driver: nvidia v: 570.133.07 alternate: nouveau,nvidia_drm
    non-free: 550-570.xx+ status: current (as of 2025-04; EOL~2026-12-xx)
    arch: Ampere code: GAxxx process: TSMC n7 (7nm) built: 2020-2023 pcie:
    gen: 2 speed: 5 GT/s lanes: 16 link-max: gen: 4 speed: 16 GT/s ports:
    active: none off: DP-2,DP-3 empty: DP-1,HDMI-A-1 bus-ID: 01:00.0
    chip-ID: 10de:2504 class-ID: 0300
  Display: x11 server: X.Org v: 21.1.16 with: Xwayland v: 24.1.6
    compositor: kwin_x11 driver: X: loaded: nvidia gpu: nvidia,nvidia-nvswitch
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 3840x1080 s-dpi: 93 s-size: 1049x292mm (41.30x11.50")
    s-diag: 1089mm (42.87")
  Monitor-1: not-matched mapped: DP-3 pos: right res: mode: 1920x1080 hz: 60
    scale: 100% (1) dpi: 94 size: 521x293mm (20.51x11.54") diag: 598mm (23.53")
    modes: N/A
  Monitor-2: not-matched mapped: DP-5 pos: primary,left res: mode: 1920x1080
    hz: 60 scale: 100% (1) dpi: 94 size: 521x293mm (20.51x11.54")
    diag: 598mm (23.53") modes: N/A
  API: EGL v: 1.5 hw: drv: nvidia nouveau drv: nvidia platforms: device: 0
    drv: nvidia device: 1 drv: nouveau device: 2 drv: swrast gbm: drv: nvidia
    surfaceless: drv: nvidia x11: drv: nvidia inactive: wayland
  API: OpenGL v: 4.6.0 compat-v: 4.5 vendor: nvidia mesa v: 570.133.07
    glx-v: 1.4 direct-render: yes renderer: NVIDIA GeForce RTX 3060/PCIe/SSE2
    memory: 11.72 GiB
  API: Vulkan v: 1.4.309 layers: 1 device: 0 type: discrete-gpu
    name: NVIDIA GeForce RTX 3060 driver: nvidia v: 570.133.07
    device-ID: 10de:2504 surfaces: xcb,xlib
  Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo
    de: kscreen-console,kscreen-doctor gpu: nvidia-settings,nvidia-smi
    wl: wayland-info x11: xdpyinfo, xprop, xrandr
Audio:
  Device-1: Advanced Micro Devices [AMD/ATI] SBx00 Azalia vendor: ASUSTeK
    driver: snd_hda_intel v: kernel bus-ID: 00:14.2 chip-ID: 1002:4383
    class-ID: 0403
  Device-2: NVIDIA GA106 High Definition Audio vendor: ZOTAC
    driver: snd_hda_intel v: kernel pcie: gen: 2 speed: 5 GT/s lanes: 16
    link-max: gen: 4 speed: 16 GT/s bus-ID: 01:00.1 chip-ID: 10de:228e
    class-ID: 0403
  API: ALSA v: k6.14.0-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: PipeWire v: 1.4.1 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
    4: pw-jack type: plugin tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: ASUSTeK P8 series driver: r8169 v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: d000 bus-ID: 02:00.0 chip-ID: 10ec:8168
    class-ID: 0200
  IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  Info: services: NetworkManager, sshd, systemd-timesyncd
  WAN IP: <filter>
Bluetooth:
  Message: No bluetooth data found.
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 1.35 TiB used: 182.22 GiB (13.2%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/sda maj-min: 8:0 vendor: Kingston model: SA400S37240G
    size: 223.57 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 0102 scheme: MBR
  ID-2: /dev/sdb maj-min: 8:16 vendor: Kingston model: SA400S37240G
    size: 223.57 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 0100 scheme: MBR
  ID-3: /dev/sdc maj-min: 8:32 vendor: Western Digital
    model: WD10EZEX-08WN4A0 size: 931.51 GiB block-size: physical: 4096 B
    logical: 512 B speed: 6.0 Gb/s tech: HDD rpm: 7200 serial: <filter>
    fw-rev: 1A02 scheme: MBR
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 214.77 GiB size: 210.34 GiB (97.94%)
    used: 182.22 GiB (86.6%) fs: ext4 dev: /dev/sda1 maj-min: 8:1 label: N/A
    uuid: b1e5a73f-8c3a-41ba-b650-e410abdf8f42
  ID-2: /home/<filter>/MiscWIP raw-size: N/A size: 915.82 GiB
    used: 13.62 GiB (1.5%) fs: nfs4 remote: 192.168.53.123:/MiscWIP
  ID-3: /home/<filter>/SharedData raw-size: N/A size: 915.82 GiB
    used: 122.67 GiB (13.4%) fs: nfs4 remote: 192.168.53.123:/DataShare
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default) zswap: yes
    compressor: zstd max-pool: 20%
  ID-1: swap-1 type: partition size: 8.8 GiB used: 0 KiB (0.0%) priority: -2
    dev: /dev/sda2 maj-min: 8:2 label: swap
    uuid: 6091dcd2-1fa9-4c25-9ce6-ae3c1846a2fc
Unmounted:
  ID-1: /dev/sdb1 maj-min: 8:17 size: 222.62 GiB fs: ext4 label: N/A
    uuid: 17bddbbc-f6c9-4ca1-88a4-93904b18af03
  ID-2: /dev/sdb2 maj-min: 8:18 size: 1 KiB fs: <superuser required>
    label: N/A uuid: N/A
  ID-3: /dev/sdb5 maj-min: 8:21 size: 975 MiB fs: swap label: N/A
    uuid: fcd7cda8-a30c-49b6-845e-b15de688b122
  ID-4: /dev/sdc1 maj-min: 8:33 size: 931.51 GiB fs: ext4 label: N/A
    uuid: 8d462e2d-f3bf-41ec-80e2-f18ac6fffd94
USB:
  Hub-1: 1-0:1 info: full speed or root hub ports: 5 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-2: 2-0:1 info: full speed or root hub ports: 5 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-3: 2-4:2 info: Terminus USB 2.0 Hub ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 1a40:0801 class-ID: 0900
  Hub-4: 2-4.2:11 info: Terminus USB 2.0 Hub ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 1a40:0801 class-ID: 0900
  Hub-5: 2-4.2.1:12 info: Realtek RTS5411 Hub ports: 5 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 0bda:5411
    class-ID: 0900
  Device-1: 2-4.2.2:13 info: Sunplus Innovation Optical Mouse type: mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 98mA
    chip-ID: 1bcf:0005 class-ID: 0301
  Device-2: 2-4.2.3:14 info: Logitech Unifying Receiver
    type: keyboard,mouse,HID driver: logitech-djreceiver,usbhid interfaces: 3
    rev: 2.0 speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 98mA
    chip-ID: 046d:c52b class-ID: 0300
  Hub-6: 3-0:1 info: full speed or root hub ports: 5 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-7: 4-0:1 info: full speed or root hub ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-8: 5-0:1 info: full speed or root hub ports: 5 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-9: 6-0:1 info: full speed or root hub ports: 2 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-10: 7-0:1 info: full speed or root hub ports: 4 rev: 1.1
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 chip-ID: 1d6b:0001
    class-ID: 0900
  Device-1: 7-4:2 info: STMicro duckyPad(2020) type: keyboard
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 12 Mb/s (1.4 MiB/s)
    lanes: 1 mode: 1.1 power: 100mA chip-ID: 0483:d11c class-ID: 0301
    serial: <filter>
  Hub-11: 8-0:1 info: hi-speed hub with single TT ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-12: 9-0:1 info: super-speed hub ports: 2 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-13: 10-0:1 info: hi-speed hub with single TT ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-14: 10-2:2 info: Realtek RTS5411 Hub ports: 4 rev: 2.1
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 0bda:5411
    class-ID: 0900
  Hub-15: 11-0:1 info: super-speed hub ports: 2 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-16: 11-2:2 info: Realtek Hub ports: 4 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 0bda:0411
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 17.6 C mobo: N/A gpu: nvidia temp: 43 C
  Fan Speeds (rpm): N/A gpu: nvidia fan: 0%
Repos:
  Packages: pm: pacman pkgs: 1787 libs: 458 tools: octopi,pamac,yay
    pm: flatpak pkgs: 0
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://manjaro.ipacct.com/manjaro/stable/$repo/$arch
    2: http://manjaro.grena.ge/stable/$repo/$arch
    3: https://mirrors2.manjaro.org/stable/$repo/$arch
    4: https://manjaro.mirrors.lavatech.top/stable/$repo/$arch
    5: https://mirror.bouwhuis.network/manjaro/stable/$repo/$arch
    6: https://mirror.nju.edu.cn/manjaro/stable/$repo/$arch
    7: https://mirrors.jlu.edu.cn/manjaro/stable/$repo/$arch
    8: https://mirror.phoepsilonix.love/manjaro/stable/$repo/$arch
Processes:
  CPU top: 5 of 263
  1: cpu: 200% command: ps pid: 21546 mem: 3.84 MiB (0.0%)
  2: cpu: 4.2% command: pipewire.conf started-by: SciTE pid: 19656
    mem: 48.2 MiB (0.3%)
  3: cpu: 3.9% command: firefox pid: 4077 mem: 916.5 MiB (5.7%)
  4: cpu: 2.3% command: qpwgraph pid: 21439 mem: 172.3 MiB (1.0%)
  5: cpu: 1.2% command: thunar pid: 19322 mem: 52.5 MiB (0.3%)
  Memory top: 5 of 263
  1: mem: 916.5 MiB (5.7%) command: firefox pid: 4077 cpu: 3.9%
  2: mem: 672.7 MiB (4.2%) command: plasmashell pid: 814 cpu: 1.1%
  3: mem: 332.2 MiB (2.0%) command: firefox pid: 4224 cpu: 0.1%
  4: mem: 291.6 MiB (1.8%) command: firefox pid: 9951 cpu: 0.7%
  5: mem: 264.1 MiB (1.6%) command: firefox pid: 10396 cpu: 0.0%
Info:
  Processes: 263 Power: uptime: 6h 54m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 0 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 6.18 GiB services: org_kde_powerdevil,
    power-profiles-daemon, upowerd Init: systemd v: 257 default: graphical
    tool: systemctl
  Compilers: clang: 19.1.7 gcc: 14.2.1 alt: 12 Shell: Zsh v: 5.9
    default: Bash v: 5.2.37 running-in: konsole inxi: 3.3.38

nikgnomic · 16 April 2025 23:55

If the Debian PulseAudio configuration was using remap-sink virtual devices, they can be loaded in pipewire-pulse by using pactl:

pactl load-module module-remap-sink sink_name=High remix=no master=alsa_output.pci-0000_00_14.2.analog-surround-51 channels=2 master_channel_map=front-left,front-right channel_map=front-left,front-right
pactl load-module module-remap-sink sink_name=Mid remix=no master=alsa_output.pci-0000_00_14.2.analog-surround-51 channels=2 master_channel_map=rear-left,rear-right channel_map=front-left,front-right
pactl load-module module-remap-sink sink_name=Low remix=no master=alsa_output.pci-0000_00_14.2.analog-surround-51 channels=2 master_channel_map=front-center,lfe channel_map=front-left,front-right

Or pw-loopback:

pw-loopback --capture-props='media.class=Audio/Sink node.name=High audio.position=[FL FR]' --playback-props='audio.position=[FL FR]'
pw-loopback --capture-props='media.class=Audio/Sink node.name=Mid audio.position=[FL FR]' --playback-props='audio.position=[RL RR]'
pw-loopback --capture-props='media.class=Audio/Sink node.name=Low audio.position=[FL FR]' --playback-props='audio.position=[C LFE]'

PipeWire Wiki - Virtual devices · Remap Sink

But the suggestion by @Tomek to use qpwgraph GUI in pipewire-jack (change the card profile to pro-audio ) is probably simpler to implement and maintain

Ben · 17 April 2025 07:03

This is pretty cool - it also updates live - fascinating to watch when I connect my phone (audio via bluetooth), then change audio output from analog 4.0 to quadrophonic.

drmacro · 17 April 2025 12:21

I’m registering a disconnect (in my brain…)

when I fire up qpwgraph I get this. And it doesn’t appear to show anything but 2 analog outputs. And, I see no option for pro-audio.

Edit: I see the pro-audio in in the volume control application…

soundofthunder · 17 April 2025 14:08

Your posted system information has been tidied for you. In future you are expected to post code or command output as preformatted text.

I recall this being brought to your attention on multiple occasions. The link was also included in post #2.

Please make an effort.

Regards.

drmacro · 17 April 2025 14:18

Indeed, I have very bad memory.

I’m sorry the quality of my questions don’t live up to your expectations.

drmacro · 17 April 2025 14:20

After finding the pro-audio setting the system outputs are available.

Now I need to figure out how to get sinks that appear from things like Eliza and Firefox to not disconnect for each new song.

Perhaps I should start a new thread for that.

Hmm…while the “pro audio” channels show up as 8 playback_AUX# channels, I can only get sound out of AUX0 & 1.

soundofthunder · 17 April 2025 14:37

I’ll presume that comment was meant as a “thanks” for editing and correcting it, shall I?

The quality of your pasted system information was in question. At least now it’s easier for those who might wish to help with your issue, to negotiate the information you provide.

What a difference two simple lines can make…

```
Your wall of text…
```

Regards.

drmacro · 17 April 2025 14:43

Yes, thanks.

Now I need to remember the xml that allowed a similar expandable field like that.

I know I figured that at one point as well.

soundofthunder · 17 April 2025 15:11

Discourse, the software upon which the Manjaro forum is built, allows a combination of markdown, HTML and BBCode; a limited subset of each.

The following links are not exhaustive, but may be useful to bookmark as a quick reference.

Regards.

drmacro · 17 April 2025 15:15

Done…

Thanks.

drmacro · 17 April 2025 18:17

Interesting, I can route audio to all the “pro audio” channels on a external 7.1 USB interface.

But, even though 8 AUX channels show on the internal sound no sound when other AUX0/1 are patched.

Ben · 18 April 2025 02:56

There is nothing to remember, it is an extremely basic skill - and your sarcastic deflection is duly noted.

Also noteworthy is that as you type in this forum, there are symbols at the top of the edit window designed to give direct visual access.

Code

To enter code, you can type a backtick to start the code, and another to finish.That will appear like this’.

To enter a code block, like a paragraph, then you can use three backticks on a new line, then start on the next line:

```
This is how you type a code 'block'
```

This can also be achieved with three tilde ~~~

~~~
Three tilde will appear like this
~~~

But really, it’s quite simple to also use the symbol in the EDIT window that looks like </> if you don’t remember (and you’ll see that the effect is to put a backtick before and after what you have selected).

Regards.

drmacro · 18 April 2025 12:59

After some more searching around I looked at what alsamixer showed.

It appeared to have the “pro audio” channels enabled. But poking around some more showed additional channels labeled Surround, Center, LFE, Side, and Line. All were muted, once unmuted the wiring seems to work as expected for the onboard analog audio.

nikgnomic · 18 April 2025 13:59

ALSA mixer control for Line is to monitor audio from Line-In jack, not a surround channel

I also suggest set alsamixer control Auto-Mute Mode to Disabled to prevent rear audio channels being muted if headphones are plugged in

and use this command to save changes to ALSA settings:

sudo alsactl store

drmacro · 18 April 2025 16:36

Thank you.

system · 21 April 2025 16:37

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