Streaming from PulseAudio Device to Icecast Server
$ gst-launch-1.0 pulsesrc device="${DEVICE}" ! audioconvert ! audio/x-raw,rate=44100,channels=2,format=S16LE ! lamemp3enc bitrate=320 ! shout2send ip="${HOST}" port="${PORT}" password="${PASSWORD}" mount="${MOUNT}.mp3" description="${DESCRIPTION}" streamname="${NAME}"