Methods for determining head-related transfer functions
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- MERCEDES BENZ GRP
- Filing Date
- 2023-05-22
- Publication Date
- 2026-05-26
AI Technical Summary
In existing technologies, it is difficult and not accurate enough to use cameras to collect individual head anatomy to determine the head-related transfer function (HRTF) inside a vehicle, resulting in a decrease in the comfort of the 3D sound experience.
Multiple cameras are used to collect anatomical features of an individual's head and ears in the external and internal areas of the vehicle. An HRTF model is constructed through image analysis and mathematical calculations. Near-infrared light is used to collect data under different angles and lighting conditions. Personalized sound effects are achieved by combining the in-vehicle audio processor and speakers.
It enables efficient and accurate acquisition of HRTF in the external area of the vehicle, simplifies the implementation process of 3D sound effects, improves the comfort of the sound experience and the reliability of personalized sound effects, and reduces hardware costs.
Smart Images
Figure CN119174195B_ABST