To launch the stand alone demo try :
# Load ROS environment
$ source ~/teleop_ws/devel/setup.bash
# Needed for simulation
$ export TURTLEBOT3_MODEL=waffle
# Run the demo
$ roslaunch opentera_webrtc_demos demo.launch is_stand_alone:=true
To launch the stand alone demo with ODAS functionnality, you will need the ReSpeaker 4-mic array plugged-in your computer:
# Load ROS environment
$ source ~/teleop_ws/devel/setup.bash
# Needed for simulation
$ export TURTLEBOT3_MODEL=waffle
# Run the demo
$ roslaunch opentera_webrtc_demos demo_odas.launch is_stand_alone:=true
Once launched go to the following URL :