The command-line utility yarphear
opens a port and connects it to the speakers. If data is sent to the port, it is rendered to the speakers. the module internally uses a PortAudioPlayerDeviceDriver device driver to render the sound.
Type help
for commands for saving, muting, etc.
This module is not largely used, since there are preferred ways to reproduce audio in YARP. For extra information about audio in YARP see also: Audio in YARP