Vehicle Sound Layer Tuning for Driving-Linked Audio Quality
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Solution Overview
Problem
Existing vehicle audio systems require manual adjustment by experts to compensate for changes in sound frequency characteristics due to varying driving environments, which is cumbersome and impractical for non-experts.
Innovation Solution
A vehicle dynamic sound output apparatus that separates sound sources into layers, tunes them based on driving situations, and outputs the tuned sound, using a sound source inputter, separator, linkage setter, and outputter, with elements designated as vocals, instruments, or frequency bands, and adjusts settings based on vehicle data like pedal, brake, and speed values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment by experts is used to compensate for frequency characteristics changes, then sound quality can be optimized, but the system becomes complex and difficult to operate for non-experts
Solution Approach 1:
The system automatically detects driving environment conditions (vehicle speed, acceleration, road gradient) and adjusts equalizer settings without requiring expert intervention. The control unit serves itself by selecting appropriate equalizer presets based on real-time driving data, making the system both simple to operate and effective at maintaining sound quality.
Solution Approach 2:
The system changes equalizer parameters (frequency characteristics) dynamically based on driving conditions. Different equalizer presets with specific frequency responses are selected automatically according to the detected driving situation, allowing the system to adapt sound output to various environments without manual adjustment.
2Manufacturing precision
If equalizer adjustment is made to compensate for frequency characteristics changes in different driving environments, then sound quality is improved, but the device complexity increases due to multiple adjustment mechanisms
Solution Approach 1:
The control unit serves multiple functions: it detects driving conditions (speed, acceleration, gradient), selects appropriate equalizer presets, and manages the overall sound output system. This multi-functional approach consolidates what would otherwise require separate complex adjustment mechanisms into a single intelligent control unit.
Solution Approach 2:
Multiple equalizer presets are pre-configured with specific frequency characteristics optimized for different driving environments. The control unit simply selects from these pre-prepared settings based on current conditions, rather than requiring real-time complex adjustments. This preliminary preparation of settings simplifies the device architecture.
3Manufacturing precision
If the audio system is pre-tuned for optimal acoustic spatial response, then sound quality is good in controlled environments, but frequency characteristics change sensitively in varying driving environments
Solution Approach 1:
The equalizer settings are made dynamic rather than fixed. The system continuously adapts equalizer parameters based on real-time driving conditions (speed, acceleration, gradient), allowing the audio system to maintain optimal frequency characteristics across varying environments rather than being static and environment-dependent.
Solution Approach 2:
The system uses feedback from driving condition sensors (speed, acceleration, gradient detection) to automatically adjust equalizer settings. This closed-loop approach ensures that frequency characteristics remain stable and optimized by continuously monitoring environmental changes and compensating through automatic equalizer selection.
Data Source
AI summary
A vehicle dynamic sound output apparatus, a method and a system therefor are provided. The vehicle dynamic sound output apparatus includes a sound source inputter to receive input of a sound source to be output to a vehicle, a sound source separator to separate individual elements of the received sound source and designate the individual elements as layers, a driving linkage setter to set a driving linkage element according to driving of the vehicle and design a linkage scenario according to the driving linkage element, a sound source tuner to tune the sound source based on the separated elements of the sound source and the linkage scenario, and a sound source outputter to output the tuned sound source.