Browser's monitor outputs produce "flanging"(?) effect

ubuntourist

New Member
When using Helvum or QPWGraph to set up my connections, when I connect the monitor of the web browser input to my audio interface, I randomly get a sort of "flanging" effect from both my microphone which I am monitoring, and from the audio coming from the browser. I have tried with a few different browsers. I have tried without EasyEffects in the chain. I have tried replacing the browser with OBS (which eliminates the browser as a source of audio, leaving only a microphone to OBS to headphones chain) and all produce the random effect.

Sometimes, stopping and starting things eliminates the flanging altogether. Sometimes, in a single session the effect comes and goes at random, and sometimes it lasts consistently througout the entire session. I've attached a screenshot below. I'm running Pop! OS 22.04 LTS.

Bash:
$ dpkg -l | egrep -i "(pipewire|wireplumber)" | cut -b 5-70
gnome-remote-desktop                              42.9-0ubuntu0.22
gstreamer1.0-pipewire:amd64                       1.0.2~1707732619
jamesdsp-pipewire                                 2.7.0-30a30a   
libpipewire-0.3-0:amd64                           1.0.2~1707732619
libpipewire-0.3-common                            1.0.2~1707732619
libpipewire-0.3-dev:amd64                         1.0.2~1707732619
libpipewire-0.3-modules:amd64                     1.0.2~1707732619
libspa-0.2-avb:amd64                              1.0.2~1707732619
libspa-0.2-bluetooth:amd64                        1.0.2~1707732619
libspa-0.2-dev:amd64                              1.0.2~1707732619
libspa-0.2-jack:amd64                             1.0.2~1707732619
libspa-0.2-modules:amd64                          1.0.2~1707732619
libspa-bluetooth:amd64                            0.2.7-1         
libspa-ffmpeg:amd64                               0.2.7-1         
libwireplumber-0.4-0:amd64                        0.4.17~170179262
pipewire:amd64                                    1.0.2~1707732619
pipewire-aes67                                    1.0.2~1707732619
pipewire-alsa:amd64                               1.0.2~1707732619
pipewire-avb                                      1.0.2~1707732619
pipewire-bin                                      1.0.2~1707732619
pipewire-jack:amd64                               1.0.2~1707732619
pipewire-pulse                                    1.0.2~1707732619
pipewire-tests                                    1.0.2~1707732619
pipewire-v4l2:amd64                               1.0.2~1707732619
pop-pipewire                                      2.0.0~1697231037
wireplumber                                       0.4.17~170179262


helvum.png
 
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