The problem with the Logitech B530 USB Headset is fixed in PulseAudio 4.0 - see www.freedesktop.org/wiki/Software/PulseAudio/Notes/4.0/
The problem with the Logitech B530 USB Headset is fixed in PulseAudio 4.0 - see www.freedesktop .org/wiki/ Software/ PulseAudio/ Notes/4. 0/