i did a fresh f34 install nd this list of pipewire packages
pipewire.x86_64 0.3.35-2.fc34 @updates
pipewire-alsa.x86_64 0.3.35-2.fc34 @updates
pipewire-doc.x86_64 0.3.35-2.fc34 @updates
pipewire-gstreamer.x86_64 0.3.35-2.fc34 @updates
pipewire-jack-audio-connection-kit.x86_64 0.3.35-2.fc34 @updates
pipewire-libs.x86_64 0.3.35-2.fc34 @updates
pipewire-pulseaudio.x86_64 0.3.35-2.fc34 @updates
pipewire-utils.x86_64 0.3.35-2.fc34 @updates
pipewire0.2-libs.x86_64 0.2.7-5.fc34 @anaconda
pipewire-pulseaudio.x86_64 0.3.35-2.fc34 @updates
pulseaudio-libs.x86_64 14.2-3.fc34 @anaconda
pulseaudio-libs-glib2.x86_64 14.2-3.fc34 @anaconda
pulseaudio-utils.x86_64 14.2-3.fc34 @fedora
cp /usr/share/doc/pipewire/pipewire.conf ~/.config/pipewire/pipewire.conf
followed this chant...
reboot and test with gnome-control-panel sound
thx for all the support,...