How does the Audi A8 utilize dual-pane acoustic glass to reduce road noise?

The Audi A8 prides itself on its luxurious and silent ride, thanks in part to its use of dual-pane acoustic glass. But how exactly does this feature work and what benefits does it bring? We explore this further in this question.

Dual-pane acoustic glass is created by sandwiching a layer of sound-absorbing material between two panes of glass. This effectively reduces exterior noise and creates a quieter cabin.