| 摘要 |
The present invention provides a head-up display apparatus which comprises: a plurality of microphone sensors; a projection display for projecting a virtual image on a windshield inside a vehicle; and a head-up display (HUD) controller for estimating a speaking point of sound signals based on the sound signals inputted by the microphone sensors, and controlling the projection display to project the virtual image on a measured projection point according to the speaking point. |
