Bluetooth BIS Control for TWS Mono-Binaural Audio Switching
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Solution Overview
Problem
Existing Bluetooth audio technologies, particularly for True Wireless Stereo (TWS) headsets, lack a mechanism for seamless switching between binaural and monaural playback modes, impacting user experience.
Innovation Solution
Implementing a control method and device that utilize a broadcast assistant to manage Broadcast Isochronous Streams (BIS) synchronized by multiple Bluetooth devices, enabling dynamic switching between binaural and monaural playback modes through coordinated control of Broadcast Isochronous Streams (BIS) based on notification and indication information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a switching mechanism is implemented for TWS headsets to enable binaural and monaural mode switching, then audio control efficiency and user experience are improved, but device complexity increases due to the need for control devices, broadcast sinks, and synchronization mechanisms
Solution Approach 1:
A control device is introduced as an intermediary component that receives notification information from broadcast sinks and sends control commands to manage BIS synchronization. This mediator architecture simplifies the overall system by centralizing the switching logic and coordination functions, reducing the complexity burden on individual audio playback components.
Solution Approach 2:
The system is divided into distinct functional components: broadcast sinks that generate and send notification information, control devices that process notifications and issue commands, and audio playback components that execute synchronization. This segmentation allows each component to operate independently with well-defined interfaces, making the complex switching mechanism more manageable and easier to implement.
2Adaptability or versatility
If notification information is sent from broadcast sinks to control devices to enable mode switching, then adaptability between playback modes is improved, but information transmission overhead increases
Solution Approach 1:
Only the essential notification information required for mode switching is extracted and transmitted from broadcast sinks to control devices. The notification mechanism includes minimal necessary data elements such as identification information and control commands, filtering out unnecessary data transmission to reduce overhead while maintaining full adaptability for binaural and monaural mode switching.
Data Source
AI summary
The present application relates to an audio control method and device. The audio control method comprises: a control device receives notification information from a first broadcast receiver; and the control device controls, on the basis of the notification information, broadcast isochronous streams (BISs) synchronized by a second broadcast receiver.