3D Audio Notification for Vehicle Obstacle Detection
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Solution Overview
Problem
Conventional infotainment systems in vehicles fail to effectively detect potential obstacles and provide non-intrusive alerts to drivers, leading to accidents due to blind spots, obstacles, and rash driving.
Innovation Solution
A system and method for generating and notifying three-dimensional (3D) audio within a vehicle using sensors and audio output devices to detect obstacles and alert the driver with sound and verbal notifications that appear to originate from the direction of the obstacle, providing intuitive and non-intrusive warnings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional infotainment systems are used to provide audio or video entertainment to occupants, then entertainment functionality is improved, but the ability to detect potential obstacles and provide safety alerts deteriorates
Solution Approach 1:
The infotainment system is enhanced to perform multiple functions: it continues to provide audio/video entertainment while simultaneously detecting obstacles using sensors and providing safety alerts through audio output devices. This multi-functional approach resolves the contradiction by making the system universal rather than single-purpose.
Solution Approach 2:
The obstacle detection system, sensor array, and entertainment system are merged into a single integrated infotainment system. The sensors and audio output devices are combined with the existing entertainment infrastructure, allowing the system to fulfill both entertainment and safety functions through unified architecture.
2Reliability
If sensors and audio output devices are added to detect obstacles and provide alerts, then safety alert capability is improved, but device complexity deteriorates
Solution Approach 1:
Existing audio output devices designed for entertainment purposes are repurposed to also provide safety alerts. This approach improves safety capability without adding dedicated alert hardware, thereby avoiding increased device complexity while maintaining multi-functionality.
3Ease of operation
If 3D audio notifications are implemented to provide directional alerts, then alert intuitiveness is improved, but processing complexity deteriorates
Solution Approach 1:
The system transitions from conventional 2D audio output to 3D spatial audio by utilizing multiple audio output devices positioned at different locations within the vehicle. This dimensional enhancement provides directional information that improves alert intuitiveness, allowing drivers to understand obstacle direction without requiring complex visual interfaces.
Solution Approach 2:
The system replaces complex visual display mechanisms with acoustic field manipulation to convey spatial information. By using audio propagation characteristics and spatial positioning of speakers, the system provides intuitive directional alerts without requiring complex graphical user interfaces or additional display hardware.
Data Source
AI summary
A system including circuitry communicably coupled to a plurality of sensors and a plurality of audio output devices are provided. The circuitry receives a plurality of signals from the plurality of sensors. The circuitry further detects a type of a first object and a position of the first object with respect to a first vehicle based on the received plurality of signals. The circuitry further generates metadata associated with the first object based on the detected type of the first object and the position of the first object. The metadata comprises a first three-dimensional (3D) audio object. The circuitry further controls a first set of audio output devices of the plurality of audio output devices to output the first 3D audio object in a 3D space of the first vehicle at a first time instant.