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A multi-connection scheduling method for a wireless bluetooth audio system

A technology of Bluetooth audio and scheduling method, applied in connection management, wireless communication, advanced technology, etc., can solve problems such as disconnection, audio stuck, and multiple audio devices cannot guarantee to receive data, so as to reduce data retransmission, reduce Power consumption, the effect of synchronously switching audio sources

Active Publication Date: 2022-03-08
CHENGDU AMBIT TECH CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a wireless bluetooth audio system multi-connection scheduling method, which is used to solve the problem that when there are two or more audio gateways in the prior art, because multiple audio devices cannot guarantee to receive the same audio gateway at the same time data, causing audio stuttering, disconnection, and inability to quickly switch audio playback sources

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  • A multi-connection scheduling method for a wireless bluetooth audio system
  • A multi-connection scheduling method for a wireless bluetooth audio system
  • A multi-connection scheduling method for a wireless bluetooth audio system

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[0029] A wireless bluetooth audio system multi-connection scheduling method, comprising:

[0030] Step S100, establish a piconet i between the first device and the audio gateway i; the first device sends the connection information of the audio gateway i to the second device through the piconet 0, and the second device establishes a monitoring link i with the audio gateway i; wherein , i=1, 2, ..., M, M is the number of audio gateways;

[0031] Take two audio gateways as an example, such as figure 1 As shown, two sound playback devices, the first device and the second device, establish piconet 0 (piconet_0) through the standard Bluetooth connection process (page / pagescan), and connect the first device and audio gateway 1 (which can be a mobile phone or a tablet) Establish piconet 1 (piconet_1) through the standard Bluetooth connection process, the first device sends the connection information of audio gateway 1 (clock of audio gateway 1, frequency hopping sequence, etc.) to th...

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Abstract

The invention discloses a wireless bluetooth audio system multi-connection scheduling method, comprising: establishing a piconet 0 between a first device and a second device, establishing a piconet i between the first device and an audio gateway i; and establishing a piconet i between the first device and an audio gateway i; Set up monitoring link i; Wherein, i=1, 2, ..., M, M is the number of audio gateways; Unify the clocks of each piconet; In the first device and the second device, according to the number M of audio gateways, the time Divided into repeated time slices, the first device communicates with the second device in the corresponding time slice 0, and the first device communicates with the audio gateway i and the second device listens to the audio gateway i in the time slice i. The invention realizes that the first device and the second device receive the data sent by the same audio gateway at the same time, reduces data retransmission, and invalid communication, and reduces system power consumption; it can realize fast and synchronous switching of audio sources, and can be compatible with all audio devices on the market. Audio gateway to connect.

Description

technical field [0001] The invention relates to the technical field of wireless bluetooth audio systems, in particular to a multi-connection scheduling method for wireless bluetooth audio systems. Background technique [0002] Bluetooth is an open technology standard for wireless communication technology and voice communication, which can realize short-distance data exchange between devices. The Bluetooth protocol standard defines a point-to-point physical connection between two devices or multiple point-to-multipoint physical connections between multiple devices called a piconet. There is a master device (master) in the point-to-point piconet. A slave device (slave); there is a master device (master) and multiple slave devices (slave) in a point-to-multipoint piconet. Each Bluetooth device has a local clock (native_clock), and the local clock counts up by 1 every 312.5 microseconds. In a piconet, two or more devices use the same physical link, and the local clock of the ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/80H04W56/00H04W72/04H04W76/14
CPCH04W4/80H04W56/0015H04W72/0446H04W76/14Y02D30/70
Inventor 周彬
Owner CHENGDU AMBIT TECH CO LTD
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