Bluetooth Audio Packet Sharing via Link Information Broadcast
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Solution Overview
Problem
Existing Bluetooth audio packet transmission methods do not allow multiple Bluetooth speakers to receive and play audio packets from an electronic device without altering the established Bluetooth connection or transmission method between the device and the primary speaker.
Innovation Solution
A method where an electronic device establishes a Bluetooth connection with a first Bluetooth speaker, broadcasts the Bluetooth link information, enabling other nearby Bluetooth speakers to receive and share audio packets without changing the connection or transmission method between the device and the primary speaker, using techniques like pseudo-random hopping sequences and acknowledgments to ensure reliable packet delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional Bluetooth connection is established between an electronic device and a Bluetooth speaker, then reliable one-to-one audio transmission is achieved, but multiple speakers cannot simultaneously receive and play audio packets
Solution Approach 1:
The patent applies copying by having the first Bluetooth speaker receive Bluetooth link information from the electronic device and then broadcast this link information to other Bluetooth speakers. This allows multiple speakers to obtain identical connection parameters without the electronic device establishing separate connections with each speaker, thereby enabling multi-speaker audio reception while maintaining simple one-to-one connection establishment logic.
2Adaptability or versatility
If Bluetooth link information is broadcasted by the first Bluetooth speaker, then other speakers can receive and share audio packets, but connection security may be compromised
Solution Approach 1:
The patent implements feedback through an authentication mechanism where the electronic device receives authentication information from the first Bluetooth speaker, verifies it against pre-stored authentication data, and only then allows the speaker to broadcast link information. This feedback loop ensures that only authenticated speakers can obtain and share Bluetooth link information, maintaining connection security while enabling audio packet sharing among authorized devices.
Data Source
AI summary
A Bluetooth audio packet sharing method comprises an electronic device, a first Bluetooth speaker and at least one second Bluetooth speaker. The electronic device establishes Bluetooth connection with the first Bluetooth speaker by a Bluetooth link information, and the first Bluetooth speaker is able to receive an audio packet from the electronic device. The electronic device or the first Bluetooth speaker broadcasts the Bluetooth link information. The second Bluetooth speaker is close to the electronic device and the first Bluetooth speaker, and receives the link information broadcasted by the first Bluetooth device. Thus, the second Bluetooth speaker is able to receive or share the audio packet transmitted by the electronic device by the Bluetooth link information.