Vehicle Audio Zone Sound Isolation Control
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Solution Overview
Problem
Existing vehicle audio systems lack user-controlled noise cancellation and augmentation features, providing uniform noise treatment across the vehicle cabin rather than personalized sound isolation for each occupant.
Innovation Solution
A vehicle audio system with multiple audio zones, each equipped with a user interface for adjusting engine sound and cabin noise controls, allowing occupants to customize their audio experience by selecting noise cancellation, reduction, or augmentation levels through separate controls for each zone.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If uniform noise treatment is applied throughout the vehicle cabin, then the system complexity is reduced, but the sound isolation performance for individual occupants deteriorates
Solution Approach 1:
The vehicle cabin is divided into multiple audio zones, each with independent noise control capabilities. This segmentation allows different noise treatment strategies to be applied to different occupants simultaneously, resolving the contradiction between system simplicity and personalized sound isolation performance.
Solution Approach 2:
Each audio zone is equipped with localized controls for engine sound and cabin noise that can be independently adjusted. This local quality approach enables each occupant to customize their auditory environment without affecting other zones, improving sound isolation performance while maintaining manageable system complexity through modular design.
2Object-affected harmful factors
If personalized sound isolation controls are provided for each audio zone, then the sound isolation performance for individual occupants is improved, but the device complexity increases
Solution Approach 1:
The audio system incorporates universal control mechanisms that can be applied across multiple audio zones. By using the same control architecture and user interface patterns in each zone, the system achieves personalized sound isolation performance without proportionally increasing device complexity, as the same components serve multiple functions across different zones.
3Ease of operation
If uniform noise cancellation is applied throughout the cabin, then the ease of operation is maintained, but the adaptability to individual occupant preferences deteriorates
Solution Approach 1:
The system transitions from static uniform noise cancellation to dynamic zone-specific noise control. Each audio zone can independently adapt its noise cancellation and augmentation settings in real-time based on individual occupant preferences, maintaining ease of operation through automated controls while significantly improving adaptability to individual needs.
Solution Approach 2:
Each audio zone is equipped with self-service controls that allow occupants to independently adjust their own noise cancellation and engine sound augmentation preferences. This self-service approach maintains ease of operation by giving direct control to users while maximizing adaptability to individual preferences without requiring complex centralized management.
Data Source
AI summary
Embodiments include a vehicle comprising an audio system configured to create a plurality of audio zones within a vehicle cabin, and at least one display communicatively coupled to the audio system. The display is configured to display a separate user interface for each audio zone. Each user interface comprises an engine sound control and a cabin noise control for adjusting an audio output provided to the corresponding audio zone. Embodiments also include a method of providing user-controlled sound isolation in a plurality of audio zones within a vehicle. The method comprises presenting, for each audio zone, a user interface including an engine sound control and a cabin noise control, and generating an audio output for each audio zone based on a first value received from the engine sound control and a second value received from the cabin noise control of the corresponding user interface.