What is “pulseaudio” Package?

Sound system for POSIX OSes
For more details: https://wiki.freedesktop.org/www/Software/PulseAudio/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install pulseaudio.

  brew install pulseaudio

Now, use pulseaudio!