Integrated Acoustic Transducer Packaging for Simplified Multi-Speaker Audio
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Solution Overview
Problem
Existing audio systems face challenges in efficiently connecting and operating multiple audio generating devices due to complex wiring and control requirements, particularly in applications like automobiles where speaker size and frequency response limitations hinder uniform sound distribution for all passengers.
Innovation Solution
An audio system comprising at least one acoustic transducer, a substrate, and a package, with integrated electronic circuitry that simplifies connections through a communication and power bus, allowing for efficient control and operation of multiple devices using a digital signal to achieve desired sound characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple speakers are used to provide optimized spectral and spatial response, then audio quality is improved, but wiring complexity and control requirements increase
Solution Approach 1:
The patent combines multiple speaker units into a single integrated audio device with a common enclosure. Multiple drivers (woofers, mid-range speakers, tweeters) are housed together and share common electrical connections and control circuitry, eliminating the need for separate wiring to each speaker while maintaining optimized spectral and spatial response across different frequency ranges.
2Reliability
If speaker location is optimized for specific passengers, then spatial audio performance is improved, but adaptability to different users is reduced
Solution Approach 1:
The patent incorporates adjustable and reconfigurable audio elements that can be dynamically modified to suit different users. The system includes adjustable equalization controls, reconfigurable speaker arrangements, and adaptive signal processing that can optimize spatial audio performance for various passenger configurations and preferences, transforming a static system into one that adapts to different usage scenarios.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This system reduces wiring complexity and enables precise control of audio output, allowing for customized sound experiences for multiple users in confined spaces by using a simplified electrical connection and centralized control, enhancing audio quality and flexibility.
Implementation Method 1
an acoustic transducer having at least one a group of: a membrane and an acoustic modulator; or a membrane, acoustic resonator, and acoustic coupler
Implementation Method 2
a membrane, acoustic resonator, and acoustic coupler
Implementation Method 3
at least one microphone receiving an acoustic signal
Data Source
AI summary
An audio system includes at least one acoustic transducer having at least one a group of: a membrane and an acoustic modulator; or a membrane, acoustic resonator, and acoustic coupler; at least one microphone receiving an acoustic signal; a substrate; and a package. The at least one acoustic transducer and one microphone are attached to the substrate and encapsulated by the package.