Vehicle Audio System Spatial Feedback Control
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Solution Overview
Problem
Current motor vehicle audio systems primarily focus on entertainment and information, lacking integration with driving safety features to provide acoustically perceptible feedback about surrounding objects, especially those not visible to the driver.
Innovation Solution
A motor vehicle device comprising an audio output system with multiple audio elements and a control device that adjusts audio signal output based on movement information of objects relative to the vehicle, allowing for acoustically perceptible feedback and enhanced driving safety by indicating the presence and movement of objects through controlled audio signal direction and intensity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If audio output elements are arranged in different areas of the passenger compartment to provide spatial audio distribution, then the entertainment and information function is improved, but the system cannot provide acoustically perceptible feedback about surrounding objects
Solution Approach 1:
The audio output device is designed to perform multiple functions: it can output entertainment audio signals through multiple audio output elements arranged in different areas, and simultaneously provide driving safety feedback by directing audio signals based on object movement information. The control device manages both functions by selectively controlling which audio output elements are activated and how they are controlled based on the type of audio signal being output.
2Loss of information
If the audio system is dedicated to entertainment and information purposes, then audio quality for media consumption is improved, but the system lacks integration with driving safety features
Solution Approach 1:
The control device dynamically adjusts the operation of audio output elements based on real-time object movement information. When an object is detected moving in a specific direction, the control device activates specific audio output elements to provide directional acoustic feedback to the driver. This dynamic adaptation allows the system to switch between entertainment mode and driving safety feedback mode without compromising audio quality for either purpose.
3Measurement precision
If multiple audio output elements are controlled independently based on object movement, then acoustically perceptible feedback about object direction is improved, but the device complexity increases
Solution Approach 1:
The control device receives object movement information from a detection device and uses this feedback to determine which audio output elements should be activated. The control device continuously monitors the position and movement of objects around the vehicle and adjusts the audio output accordingly, providing real-time acoustic feedback to the driver about the direction and movement of detected objects.
4Reliability
If the audio system provides comprehensive environmental feedback, then driving safety awareness is improved, but the system may distract the driver from primary driving tasks
Solution Approach 1:
Instead of providing omnidirectional audio feedback through all audio output elements simultaneously, the control device activates only the specific audio output elements corresponding to the direction of detected objects. This localized audio feedback provides necessary situational awareness information while minimizing unnecessary audio stimuli that could distract the driver. The system focuses acoustic attention on relevant directional information only.
Data Source
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AI summary
A motor vehicle (1), comprising an apparatus (2) for outputting an audio signal (3) to a passenger compartment (4) of the motor vehicle (1), which apparatus comprises: an audio output device (5), comprising multiple audio output elements (5a -5d) arranged in the passenger compartment (4) of the motor vehicle (1), for outputting an audio signal (3) to the passenger compartment (4) of the motor vehicle (1), a control device (6) for controlling the output of the audio signal (3) via respective audio output elements (5a -5d), wherein the control device (6) is configured to control the output of an audio signal (3) to the passenger compartment (4) of the motor vehicle (1) on the basis of movement information describing a movement of at least one object (7), in particular a road user, relative to the motor vehicle (1).