Vehicle Audio System Virtual Speaker Layering

The audio system segments multiple sound sources into different vertical layers (upper, middle, lower layers) based on their priority and type. Critical sounds such as warnings and notifications are placed in the upper layer, media sounds in the middle layer, and ambient sounds in the lower layer. This segmentation allows the driver to easily distinguish and prioritize different sound sources without confusion, resolving the contradiction between providing sound variety and maintaining effective sound delivery.

The system introduces a vertical dimension to speaker arrangement by positioning speakers at different heights (upper, middle, lower layers) within the vehicle cabin. This vertical dimension enables the creation of virtual speakers at various positions in three-dimensional space, providing stereophonic sound effects and directional audio cues without requiring a proportional increase in the total number of physical speakers. The sound controller processes signals to create the perception of multiple virtual sound sources using the limited physical speaker array.