Multi-Channel Bluetooth Audio Hub for Headphone Communication
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Solution Overview
Problem
Individuals often face difficulties in communicating or sharing audio content due to noise, proximity, or wearing headphones, which hinder effective conversation in various environments such as transportation centers, airplanes, and factory floors.
Innovation Solution
An audio distribution system that utilizes a multi-channel Bluetooth device with a software suite to enable multi-way conversations among users, allowing audio signals to be conveyed between multiple audio devices via short-range wireless interfaces, including Bluetooth, and incorporating features like voice recognition and speech-to-text decoding for user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If users wear headphones for noise cancellation or audio content consumption, then audio privacy and content isolation are improved, but communication ability and hearing capability deteriorate
Solution Approach 1:
The patent introduces an audio hub as an intermediary device that receives audio signals from headphones and redirects them to external speakers. This mediator enables users to maintain noise cancellation benefits while still being able to communicate with others, as the hub relays audio between different users' headphone devices and the external audio environment.
Solution Approach 2:
The audio hub serves multiple functions: it acts as an audio relay for communication, a noise cancellation management system, and an audio distribution hub that can route signals between multiple users. This multi-functionality resolves the contradiction by providing both isolation (through headphone support) and communication capabilities simultaneously.
2Ease of operation
If users are positioned far apart in noisy environments, then spatial freedom and comfort are improved, but communication clarity deteriorates
Solution Approach 1:
The audio hub functions as a long-range audio relay that captures speech from one user and transmits it to another user's headphones or speakers. This intermediary capability allows users to be physically distant while maintaining clear communication, as the hub overcomes the attenuation and interference that would otherwise prevent intelligible exchange over distance.
Solution Approach 2:
The patent replaces direct acoustic mechanical transmission (sound waves traveling through air) with an electronic signal-based system. The audio hub converts acoustic signals to electrical signals for processing and re-transmission, eliminating the limitations of mechanical sound wave propagation in noisy, distant environments.
3Adaptability or versatility
If audio systems support multiple users and devices simultaneously, then adaptability and communication flexibility are improved, but system complexity increases
Solution Approach 1:
The audio system is segmented into distinct functional modules: the audio hub, individual user devices (headphones, speakers), and communication interfaces. This segmentation allows each component to handle specific tasks independently, managing complexity through modular architecture while maintaining high adaptability across multiple users and devices.
Solution Approach 2:
The audio hub is designed as a universal platform that can connect to various types of audio devices and users simultaneously. By implementing a standardized multi-functional architecture, the system achieves high adaptability without proportionally increasing complexity, as the same core infrastructure handles diverse audio routing scenarios.
Data Source
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AI summary
Systems and methods are provided for distributing audio. An audio system is provided that includes one or more audio interfaces, at least one of which is a wireless audio interface. An audio hub couples to the one or more audio interfaces and detects the presence of one or more headphones coupled to the wireless audio interfaces. The audio hub selectively establishes communication channel(s) to convey audio content between a plurality of devices coupled to the audio interfaces. The plurality of devices may include one or more headphones, an infotainment head unit, a microphone, and a speaker. Accordingly, headphone users may hold conversations with each other and/or other occupants of a vehicle, and various users may share audio content with headphone users and/or other occupants of a vehicle.