this post was submitted on 03 Oct 2025
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This kinda stems from this issue I asked about a while back, Pipewire an PulseAudio have caused me quite a bit of confusion lately as I recently started experiencing crackling/static sounds from my Bluetooth speaker when playing audio.

After days of digging and thinking that I’ve fixed the issue by editing /usr/share/piperwire.conf and /usr/share/pipewire-pulse.conf and following guides like this one (I know the link is for EndeavorOS) I have seem to come to the conclusion that Pipewire-ALSA is the issue to the crackling/static sounds I’m hearing.

I stumbled upon qpwgraph which appears to visualize the flow and when I disconnect Pipewire-ALSA from the flow the cracking sounds stop, now from my understanding Pipewire and PulseAudio cannot coexist which is causing my confusion because Pipewire-ALSA also appears to connect to a bunch of PulseAudio Volume Controllers.

Edit; I failed to mention my distro or hardware:

-------------
OS: Debian GNU/Linux 13 (trixie) x86_64
Kernel: Linux 6.12.48+deb13-amd64
Uptime: 2 hours, 19 mins
Packages: 4836 (dpkg), 50 (flatpak), 5 (snap)
Shell: bash 5.2.37
Display (VG249Q3A): 1920x1080 @ 165 Hz in 24" [External] *
Display (ASUS VG24V): 1920x1080 @ 120 Hz in 23" [External]
DE: KDE Plasma 6.3.6
WM: KWin (X11)
WM Theme: Nothing
Theme: Breeze (Nothing) [Qt], Breeze-Dark [GTK2], Breeze [GTK3]
Icons: breeze-dark [Qt], breeze-dark [GTK2/3/4]
Font: Noto Sans (10pt) [Qt], Noto Sans (10pt) [GTK2/3/4]
Cursor: WhiteSur (24px)
Terminal: konsole 25.4.2
CPU: Intel(R) Core(TM) i7-8700 (12) @ 4.60 GHz
GPU: NVIDIA GeForce RTX 3060 Ti [Discrete]
Memory: 9.36 GiB / 15.54 GiB (60%)
Swap: 1.26 GiB / 6.91 GiB (18%)
Disk (/): 172.66 GiB / 232.24 GiB (74%) - ext4
Disk (/media/user/Barracuda): 1.58 TiB / 1.78 TiB (89%) - ext4
Local IP (enp4s0): 192.168.1.17/24
Locale: en_US.UTF-8
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[–] axum@lemmy.blahaj.zone 13 points 1 week ago* (last edited 1 week ago)

Pipewire-pulse provides compatibility to programs that may not directly support pipewire yet.

Pipewire was developed to be a total drop in replacement to the Pulse audio sound server. It has compatibility layers that allow other things to talk to it.

Edit: debian is not showing pipewire-alsa as a hard dependency of pipewire https://packages.debian.org/trixie/pipewire