Sound is a crucial part of the experience in movies, AR/VR productions and it is a time consuming operation to create a soundscape that reflects what takes place on the screen.
By placing a non-intrusive microphone close to the mouth of the objects being filmed, the soundtrack can be captured in full when filming and drastically reduce post-production costs.
The specifiactions for such a microphone is small size, good audio capture quality and low latency in signal transfer.