WO2023093328A1

WO2023093328A1 - Bluetooth back-connection method and apparatus, information storage method and apparatus, and terminal device

Info

Publication number: WO2023093328A1
Application number: PCT/CN2022/124405
Authority: WO
Inventors: 包建全
Original assignee: Oppo广东移动通信有限公司
Priority date: 2021-11-23
Filing date: 2022-10-10
Publication date: 2023-06-01
Also published as: CN116156470A

Abstract

Disclosed in the embodiments of the present application are a Bluetooth back-connection method and apparatus, an information storage method and apparatus, and a terminal device. The Bluetooth back-connection method is applied to a terminal device. The Bluetooth back-connection method may comprise: determining back-connection information, wherein the back-connection information is generated according to device information of one or more electronic devices, which once established a Bluetooth connection with a terminal device, and the one or more electronic devices belong to the same group of Bluetooth devices; and connecting, via Bluetooth, to at least one target electronic device in the same group of Bluetooth devices according to the back-connection information.

Description

Bluetooth connection back method and device, information storage method and device, terminal equipment

This application claims the priority of the Chinese patent application filed on November 23, 2021, with the application number 202111396621.2, and the title of the invention is "Bluetooth connection method and device, information storage method and device, terminal equipment", the entire content of which is incorporated by reference incorporated in this application.

technical field

The present application relates to the field of communication technologies, and in particular to a Bluetooth connection back method and device, an information storage method and device, and a terminal device.

Background technique

Bluetooth communication technology is a short-distance wireless communication connection technology, which has the advantages of low cost, low power consumption, fast data transmission, and wide application range. It has become one of the mainstream communication technologies supported by most electronic devices on the market. In order to enable faster Bluetooth connection between electronic devices, the electronic device can be connected back to other devices that have previously established a Bluetooth connection. At present, the bluetooth connection scheme needs to be further optimized.

Contents of the invention

Embodiments of the present application provide a Bluetooth connection back method and device, an information storage method and device, a terminal device, and a storage medium.

An embodiment of the present application provides a Bluetooth connection back method, which is applied to a terminal device, and the method includes:

Determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices belong to the same group of Bluetooth devices middle;

Perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the pending connection information.

An embodiment of the present application provides an information storage method, which is applied to a terminal device, and the method includes:

Establishing a classic Bluetooth connection and a first LE Audio connection with the first electronic device respectively, and establishing a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same group of Bluetooth devices;

storing the device information of the first electronic device and the device information of the second electronic device in the same information combination set, the same information combination set is used to determine the information to be connected back, and the information to be connected back is used to trigger a connection back with at least one target electronic device in the same group of bluetooth devices.

An embodiment of the present application provides a Bluetooth connection back device, which is applied to a terminal device, and the device includes:

An information determination module, configured to determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices The device belongs to the same group of Bluetooth devices;

A Bluetooth connection module, configured to perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back.

An embodiment of the present application provides an information storage device, which is applied to a terminal device, and the device includes:

The Bluetooth connection module is used to respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to The same group of Bluetooth devices;

A storage module, configured to store the device information of the first electronic device and the device information of the second electronic device in the same information combination set, the same information combination set is used to determine the information to be connected back, the The connection back information is used to trigger a connection back with at least one target electronic device in the same group of Bluetooth devices.

An embodiment of the present application provides a terminal device, including a memory and a processor, where a computer program is stored in the memory, and when the computer program is executed by the processor, the processor implements any of the methods described above .

An embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, any method described above is implemented.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features and beneficial effects of the present application will appear from the description, drawings and claims.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

FIG. 1A is an application scene diagram of a bluetooth connection back method in an embodiment;

FIG. 1B is an application scenario diagram of an information storage method in an embodiment;

Fig. 2 is the flow chart of bluetooth connection back method in one embodiment;

FIG. 3 is a flow chart of performing a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the connection-to-be-connected information in an embodiment;

FIG. 4A is a schematic diagram of the sequence of the Bluetooth connection back method in an embodiment;

FIG. 4B is a schematic diagram of the sequence of the Bluetooth connection back method in another embodiment;

Fig. 5 is the flow chart of bluetooth connection back method in another embodiment;

FIG. 6 is a schematic diagram of a sequence of bluetooth connections performed by a terminal device in an embodiment;

Fig. 7 is a flowchart of an information storage method in an embodiment;

FIG. 8 is a block diagram of a Bluetooth connection device in an embodiment;

Fig. 9 is a block diagram of an information storage device in an embodiment;

Fig. 10 is a structural block diagram of a terminal device in an embodiment.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

It should be noted that the terms "comprising" and "having" and any variations thereof in the embodiments of the present application and the drawings are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

It can be understood that the terms "first", "second" and the like used in this application may be used to describe various elements herein, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first electronic device could be termed a second electronic device, and, similarly, a second electronic device could be termed a first electronic device, without departing from the scope of the present application. Both the first electronic device and the second electronic device are electronic devices, but they are not the same electronic device. The term "plurality" used in this application refers to two or more than two. The term "and/or" used in this application refers to one of them, or any combination of multiple of them.

FIG. 1A is an application scene diagram of a Bluetooth connection back method in an embodiment. As shown in FIG. 1A , the electronic device 210 and the electronic device 220 belong to the same group of Bluetooth devices, and both the electronic device 210 and the electronic device 220 have previously established a Bluetooth connection with the terminal device 10 . Wherein, the terminal device 10 may include but not limited to a mobile phone, a smart wearable device, a vehicle terminal, a tablet computer, a PC (Personal Computer, personal computer), a PDA (Personal Digital Assistant, personal digital assistant) and the like. The electronic device 210 and the electronic device 220 may include, but are not limited to, earphones, mobile phones, wearable devices, speaker devices, smart home devices, and the like. As an implementation, the electronic device 210 and the electronic device 220 may be supporting devices, for example, the electronic device 210 and the electronic device 220 may belong to the same earphone device, the electronic device 210 is the left earphone in the earphone device, and the electronic device 220 is the earphone device The right earphone in the earphone device, or the electronic device 210 is the right earphone in the earphone device, and the electronic device 220 is the left earphone in the earphone device, etc. Further, the earphone device may be a TWS (True Wireless Stereo, true wireless stereo) earphone.

It should be noted that the same group of Bluetooth devices may also include other electronic devices except the electronic device 210 and the electronic device 220 , and is not limited to the electronic device 210 and the electronic device 220 in FIG. 1A .

The terminal device can determine the information to be connected back, the information to be connected back can be generated according to the device information of the electronic device 210 and the electronic device 220, and the electronic device 210 and/or Or the electronic device 220 performs a Bluetooth connection. The terminal device may send a connection back request to the electronic device 210 and/or the electronic device 220 according to the connection back information, so as to perform a Bluetooth connection with the electronic device 210 and/or the electronic device 220 .

The terminal device, the electronic device 210 and the electronic device 220 can all be electronic devices supporting Bluetooth dual-mode, and the electronic device supporting Bluetooth dual-mode can refer to supporting both the classic Bluetooth protocol and the BLE (Bluetooth Low Energy, Bluetooth Low Energy) protocol electronic equipment. The classic Bluetooth protocol can support data transmission with a large amount of data, and the BLE protocol can support data transmission with high real-time requirements.

Exemplarily, FIG. 1B is an application scenario diagram of an information storage method in an embodiment. The establishment of the Bluetooth connection between the terminal device and the electronic device 210 and the electronic device 220 will now be described with reference to FIG. 1B .

The terminal device, the electronic device 210 and the electronic device 220 can all be electronic devices supporting Bluetooth dual-mode, and the terminal device, the electronic device 210 and the electronic device 220 can all support the classic Bluetooth protocol and BLE Audio (Bluetooth Low Energy Audio, Bluetooth Low Energy Audio, Power Consumption Audio) protocol for electronic devices. Among them, the classic Bluetooth protocol generally refers to the Bluetooth protocol below the Bluetooth protocol version 4.0, and the BLE protocol generally refers to the Bluetooth protocol above the Bluetooth protocol version 4.0. The BLE Audio technology solves the problem that the BLE connection can only transmit data with a small amount of data, but cannot transmit audio data. The BLE Audio protocol supports LC3 (Low Complexity Communications Codec, low-power audio codec) encoded audio Data, so that the transmission of audio data can better take into account various aspects of power consumption, real-time performance and sound quality.

In order to meet the user's needs for audio transmission in different scenarios, for example, when the user is listening to high-definition music, the sound quality of LDAC encoding based on the classic Bluetooth protocol may be better than that of the LC3 encoding supported by the BLE Audio protocol, so it can be based on the classic Bluetooth Protocol for audio data transmission; when users play games through terminal devices, audio data transmission based on BLE Audio protocol can reduce delay and so on. The terminal device 10 can establish a classic Bluetooth connection and a LE Audio Bluetooth connection with the electronic device 210 at the same time, and the terminal device 10 can establish a LE Audio Bluetooth connection with the electronic device 220. The terminal device 10 may store the device information of the electronic device 210 and the device information of the electronic device 220 in the same information combination set. When the terminal device needs to connect back to the same group of Bluetooth devices to which the electronic device 210 and the electronic device 220 belong, it can determine the information to be connected back from the information combination, and perform Bluetooth back-up with the electronic device 210 and/or the electronic device 220. even.

In some embodiments, a Bluetooth connection (which may be a classic Bluetooth connection or a BLE connection) may also be established between the electronic device 210 and the electronic device 220, so as to ensure that the electronic device 210 and the electronic device 220 belonging to the same group of Bluetooth devices realize data synchronization.

In some embodiments, after the terminal device establishes a classic Bluetooth connection with the electronic device 210, the electronic device 220 may monitor the classic Bluetooth connection between the terminal device and the electronic device 210, or the electronic device 210 may connect the classic Bluetooth connection with the The data transmitted between the terminal devices is synchronized to the electronic device 220 to ensure that when the terminal device transmits data with the electronic device 210 through the classic Bluetooth connection, the electronic device 220 can also obtain the transmitted data synchronously.

After the terminal equipment establishes the first LE Audio Bluetooth connection with the electronic device 210 and the second LE Audio Bluetooth connection with the electronic device 220, it can respectively synchronize to the electronic device through the first LE Audio Bluetooth connection and the second LE Audio Bluetooth connection. The device 210 and the electronic device 220 send audio data to ensure synchronization of audio data received between the electronic device 210 and the electronic device 220 .

Maintain LE Audio Bluetooth connection and classic Bluetooth connection between the same group of Bluetooth devices and terminal devices at the same time (the terminal device can only establish a classic Bluetooth connection with the master device in the same group of Bluetooth devices), you can use the respective advantages of the two Bluetooth protocols, It is also convenient for quick switching.

As shown in Figure 2, in one embodiment, a Bluetooth connection back method is provided, which can be applied to the above-mentioned terminal device, and the method may include the following steps:

Step 210, determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices belong to the same group of Bluetooth devices of.

In some embodiments, when the terminal device is in the connection back state, it can determine the connection back information, and perform the Bluetooth connection back according to the connection back information. The trigger conditions for the terminal device to enter the reconnection state can be set according to actual needs. For example, when the terminal device turns on the Bluetooth module, it can trigger the terminal device to enter the reconnection state; or when the terminal device detects that it is disconnected from any electronic device with Bluetooth When connected, the terminal device can be triggered to enter the reconnection state; or when the terminal device detects that it is disconnected from all electronic devices through Bluetooth, it can trigger the terminal device to enter the reconnection state, etc., but is not limited to this.

In this embodiment of the application, the information to be connected back may be generated based on the device information of one or more electronic devices belonging to the same group of Bluetooth devices, and the information to be connected back may be used to represent the same group of Bluetooth devices, or may be used to represent Any electronic device in the same group of Bluetooth devices. For example, the information to be connected back may include the BLE address corresponding to each electronic device in the same group of Bluetooth devices; or the information to be connected back may include the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices, etc., but is not limited to this.

In some embodiments, a connection record may be stored in the terminal device, and the connection record may be used to record device information corresponding to each electronic device with which the terminal device has established a Bluetooth connection, wherein the device information may include but not limited to At least one of the classic Bluetooth address, BLE address, device name, SIRK (Set Identity Resolving Key, combined identification resolution value), etc., where the BLE address can be used to identify the device identity of the electronic device in LE Audio Bluetooth technology.

Further, the terminal device may store the device information of each electronic device belonging to the same group of Bluetooth devices in the same information combination set in the connection record. CSIP (Coordinated Set Identification Profile, Coordinated Set Identification Protocol) is provided in BLE Audio technology, which allows each electronic device belonging to the same group of Bluetooth devices to exchange information with other external devices (such as the terminal device of this application) , achieve the goal of coordination and synchronization. Based on CSIP, the terminal device can accurately identify each independent electronic device belonging to the same group of Bluetooth devices as the same combination. For example, each electronic device belonging to the same group of Bluetooth devices can correspond to the same The SIRK of each electronic device is judged, and the electronic devices with the same SIRK are identified as the same group of Bluetooth devices.

Bluetooth reconnection refers to re-establishing a Bluetooth connection based on the connection record after disconnecting the previously connected electronic device. The bluetooth connection can be at least one of classic bluetooth connection, LE Audio bluetooth connection, BLE bluetooth connection. Establishing a Bluetooth connection can be understood as establishing a communication link that can transmit data according to the relevant Bluetooth protocol. For example, establishing a classic Bluetooth connection can be understood as including establishing an ACL (Asynchronous Connectionless) asynchronous connectionless link or an SCO (Synchronous Connection Oriented) connection-oriented There are no restrictions on physical links such as synchronization links, or transmission links that establish upper-layer protocol (such as A2dp/HFP) connections, depending on business requirements or referring to relevant Bluetooth protocols.

In the traditional bluetooth connection back scheme, when the terminal device is connected back, it usually only connects back to one electronic device (for example, only connects back to the electronic device that established the bluetooth connection last time), for multiple electronic devices in the same group of bluetooth devices For example, a pair of TWS earphones can be regarded as a group of Bluetooth devices. If the last time the terminal device established a Bluetooth connection is earphone A, then when the terminal device is connected back, only Headphone A will be connected back. If the user is currently using headset B, the connection will fail.

In the embodiment of this application, the terminal device can determine the information to be connected back according to the device information of one or more electronic devices belonging to the same group of Bluetooth devices, and according to the information to be connected back to the same group of Bluetooth devices that need to perform Bluetooth At least one target electronic device to be connected to ensure the accuracy and success rate of the connection back.

In some embodiments, the terminal device may determine the same group of Bluetooth devices to be connected back, and determine the information to be connected back from the information combination set corresponding to the same group of Bluetooth devices to be connected back. The same group of bluetooth devices to be connected back can be determined according to a preset connection back rule, which can include but not limited to: connect back with the electronic device that established a bluetooth connection with the terminal device last time, and the last time Connect back to the electronic device that has disconnected the Bluetooth connection with the terminal device, connect back to the electronic device that has established the most Bluetooth connections with the terminal device, and connect back to the electronic device specified by the user.

The same group of Bluetooth devices to be connected back determined according to the connection back rule may include, but not limited to, any of the following: the same group of Bluetooth devices to be connected back to is the electronic device that last established a Bluetooth connection with the terminal device. A group of Bluetooth devices; the same group of Bluetooth devices to be connected back is the group of Bluetooth devices that belong to the electronic device that disconnected the Bluetooth connection with the terminal device last time; the same group of Bluetooth devices to be connected back to is to establish a Bluetooth connection with the terminal device The group of bluetooth devices to which the electronic device with the most frequency belongs; the same group of bluetooth devices to be connected back to is a group of bluetooth devices determined according to the detected setting operation, etc. Among them, the user can perform setting operations in the Bluetooth setting interface provided by the terminal device to select an electronic device or a group of Bluetooth devices to be connected. The device information of each electronic device, or the group information corresponding to each group of Bluetooth devices that have established a Bluetooth connection with the terminal device, such as the group number corresponding to each group of Bluetooth devices, the SIRK corresponding to each group of Bluetooth devices, and the The classic Bluetooth address corresponding to the group Bluetooth device, etc., but not limited thereto.

It should be noted that the information combination set corresponding to the same group of Bluetooth devices can store the device information of each electronic device in the same group of Bluetooth devices, or only store the information used for the connection back in the same group of Bluetooth devices, for example, the information combination Only the Bluetooth address and SIRK shared by each electronic device in the same group of Bluetooth devices can be stored centrally.

Step 220, perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the pending connection information.

The terminal device connects back to at least one target electronic device belonging to the same group of Bluetooth devices, which may be an electronic device that needs to be connected to the same group of Bluetooth devices. The Bluetooth connection may include but is not limited to LE Audio Bluetooth connection, BLE connection, classic At least one of Bluetooth connectivity, etc. Further, the bluetooth connection may include LE Audio bluetooth connection and/or classic bluetooth connection. Taking the connection back of LE Audio Bluetooth connection as an example, the target electronic device can be the electronic device that sends LE Audio broadcast signal in the same group of Bluetooth devices. Sending LE Audio broadcast signal indicates that the electronic device needs to perform LE Audio Bluetooth connection with the terminal device. . It can be understood that when the target electronic device is the master device in the same group of Bluetooth devices, the terminal device can establish a classic Bluetooth connection and LE Audio Bluetooth connection with it; when the target electronic device is a slave device in the same group of Bluetooth devices, the terminal device Only establish a LE Audio Bluetooth connection to it.

In some embodiments, each electronic device in the same group of Bluetooth devices shares (or shares) the same classic Bluetooth address, for example, the relative terminal device shares the same classic Bluetooth address, that is to say, each electronic device in the same group of Bluetooth devices relative to the terminal device The classic Bluetooth addresses of the devices are the same, so that the terminal device can perceive the same group of Bluetooth devices as a classic Bluetooth device, which facilitates the master-slave switching of classic Bluetooth between electronic devices. Each electronic device in the same group of Bluetooth devices corresponds to a different BLE address. Each electronic device in the same group of Bluetooth devices may have a corresponding master-slave relationship, and the same group of Bluetooth devices may include one electronic device with a master-slave relationship as a master device and at least one electronic device with a master-slave relationship as a slave device. Among them, the electronic device with the master-slave relationship as the master device can directly establish a classic Bluetooth connection with other external devices (such as the above-mentioned terminal device), and the electronic device with the master-slave relationship as the slave device does not establish a classic Bluetooth connection with other external devices. , but to monitor the classic Bluetooth connection between the electronic device with the master-slave relationship and other external devices, or the electronic device with the master-slave relationship as the master device will communicate with other external devices through the classic Bluetooth connection The data is forwarded to the electronic device whose master-slave relationship is the slave device, so as to realize the master-slave synchronization between the electronic devices in the same group of Bluetooth devices.

In some embodiments, the same group of bluetooth devices may include a default master device and at least one default slave device. The default master device refers to an electronic device with a default master-slave relationship as a master device when the same group of bluetooth devices leave the factory, and The default slave device refers to an electronic device whose default master-slave relationship of the same group of Bluetooth devices is a slave device when it leaves the factory. The BLE address of the default master device in the same group of Bluetooth devices is the same as the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices, and the default BLE address of the slave device in the same group of Bluetooth devices is the same as that of each The classic Bluetooth addresses shared by electronic devices are different. For example, if the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices is address A, the default BLE address of the master device is also address A, and the default BLE address of the slave device is address B.

During the use of the same group of Bluetooth devices, each electronic device in the same group of Bluetooth devices may undergo master-slave switching, that is, the master-slave relationship of the electronic device changes, such as the master-slave relationship changes from a master device to a slave device, or Master-slave relationship The slave device becomes the master device. In the traditional bluetooth connection back scheme, the terminal device usually only connects back to one electronic device. For example, in the related art, the master device and the slave device share the same classic bluetooth When establishing a classic Bluetooth connection, the terminal device only needs to record the Bluetooth address of the default master device. According to the rules of related technologies, the terminal device defaults to connect back to the Bluetooth address corresponding to the default master device. Therefore, when the terminal device connects back, it will only Perform LE Audio Bluetooth connection with the electronic device whose BLE address is address A (that is, the default master device). In some cases (such as the default master device being put into the box, power failure, etc.), the current user is using the same group of Bluetooth The electronic device whose BLE address is address B in the device (that is, the default slave device), the master-slave relationship of the default slave device is changed to the master device, and a master-slave switch occurs, the terminal device cannot successfully communicate with the BLE address of the same group of Bluetooth devices. B's electronic device performs LE Audio Bluetooth connection.

However, in the embodiment of the present application, the terminal device can perform a Bluetooth connection with the electronic device as long as it recognizes that the electronic device to be connected belongs to the same group of Bluetooth devices according to the information to be connected. For example, if the terminal device receives the LE Audio broadcast signal sent by the electronic device with the BLE address of address B, and recognizes that the electronic device with the BLE address of address B and the electronic device with the BLE address of address A belong to the same group of Bluetooth devices, it will communicate with this The electronic device whose BLE address is address B performs LE Audio Bluetooth connection. The accuracy of the connection back can be guaranteed, and when there are multiple electronic devices that need to be connected in the same group of Bluetooth devices, the connection back can be performed at the same time to improve the efficiency of the connection back, and for the same group of Bluetooth devices, there is no need to change the Bluetooth address , eliminating the complicated design of each electronic device of the same group of Bluetooth devices.

It should be noted that the bluetooth address configuration scheme of each electronic device in the same group of bluetooth devices is not limited to the above-mentioned scheme, for example, the default BLE address of the master device can also be different from the shared classic bluetooth address, just like in a group of bluetooth devices The classic Bluetooth address shared by each electronic device is address A, and the default BLE address of the master device is address C. For another example, when the master-slave switch occurs in the same group of Bluetooth devices, the electronic device whose master-slave relationship is switched from the slave device to the master device will change the BLE address to be the same as the classic Bluetooth address, just like each electronic device in a group of Bluetooth devices The shared classic Bluetooth address is address A, and the default BLE address of the slave device is address B. When the master-slave relationship of the default slave device is changed to the master device and the default slave device disconnects from the Bluetooth connection with the terminal device and/or disconnects from the terminal device When the Bluetooth connection of the terminal device is established again with the terminal device, the BLE address is changed to address A, etc. The embodiment of the present application does not limit the Bluetooth address of each electronic device in the same group of Bluetooth devices.

In this embodiment of the application, the terminal device can perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back, and the terminal device can automatically connect to each target electronic device in the same group of Bluetooth devices that needs to be connected. The connection back can increase the speed of the Bluetooth connection back of the terminal device, and can improve the accuracy of the Bluetooth connection back. Moreover, the bluetooth connection back solution provided by the embodiment of the present application is only implemented on the terminal device side, which avoids the complicated design of each electronic device of the same group of bluetooth devices, and has better versatility.

In some embodiments, when the terminal device is connected back, it can perform classic Bluetooth connection back with a target electronic device in the same group of Bluetooth devices, and perform LE Audio Bluetooth connection with one or more target electronic devices in the same group of Bluetooth devices. Connect back. As shown in Figure 3, the step is to perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back, which may include the following steps:

Step 302: Send a first connection back request according to the classic Bluetooth address, and the first connection back request is used to trigger the first target electronic device whose current master-slave relationship is the master device in the same group of Bluetooth devices to establish a classic Bluetooth connection with the terminal device.

In some embodiments, the terminal device can first determine the classic Bluetooth address to be connected back according to the above-mentioned connection back rules, such as using the classic Bluetooth address that was last disconnected from the Bluetooth connection as the classic Bluetooth address to be connected back, or using the latest The classic Bluetooth address of once established Bluetooth connection is used as the classic Bluetooth address to be connected back, or the classic Bluetooth address corresponding to an electronic device set by the user, etc., but not limited thereto. Therefore, the same group of Bluetooth devices to be connected back can be determined according to the classic Bluetooth address to be connected back. The classic Bluetooth address to be connected back is the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices to be connected back.

It should be noted that in some embodiments, instead of first determining the classic Bluetooth address to be connected back, the same group of Bluetooth devices to be connected back may be directly determined. The terminal device only needs to determine the same group of Bluetooth devices to be connected back. The same group of Bluetooth devices to be connected back can be determined according to the connection back rules in this application, that is, it is not necessary to first determine the same group of Bluetooth devices to be connected back according to the classic Bluetooth address of the connection back. For example, when the terminal device receives the LE Audio broadcast signal of an electronic device, it can be determined according to the LE Audio broadcast signal whether the electronic device sending the LE Audio broadcast signal belongs to the electronic device in the same group of Bluetooth devices to be connected back. It will further trigger the establishment of LE Audio Bluetooth connection without first determining the classic Bluetooth address to be connected back.

The information to be connected back may include a classic Bluetooth address, which is a classic Bluetooth address shared by all electronic devices in the same group of Bluetooth devices to be connected back. The terminal device can send the first connection back request according to the classic Bluetooth address. If the current master-slave relationship in the same group of Bluetooth devices to be connected back is the first target electronic device of the master device, which is currently in a connectable state, and the first target electronic device is within a certain distance of the terminal device, then it can receive The terminal device sends a first connection back request, and after receiving the first connection back request, can establish a classic Bluetooth connection with the terminal device according to the first connection back request.

Wherein, the connectable state may refer to that the first target electronic device is in the page scan mode, and in the page scan mode, can receive the Bluetooth connection request sent by the terminal device. Further, the first connection back request may be a paging (page) data packet, the terminal device may send the paging data packet in a frequency hopping manner, and the first target electronic device may scan (scan) the externally sent paging data packet at fixed intervals. Paging data packet, if the first target electronic device scans the paging data packet sent by the terminal device, it will receive the first connection back request and establish a classic Bluetooth connection with the terminal device. For the specific process of the classic Bluetooth connection, please refer to the provisions of the Bluetooth standard protocol.

Optionally, if the first target electronic device is not currently in a connectable state, or the first target electronic device is not within a certain distance of the terminal device, the first target electronic device cannot receive the first connection back request, and the terminal The device cannot successfully establish a classic Bluetooth connection with the first target electronic device, and the classic Bluetooth reconnection fails. In some embodiments, the terminal device may forego the classic Bluetooth connection back. In other embodiments, the same group of Bluetooth devices can perform master-slave switching, for example, select the electronic device that can receive the first connection back request as the master device, and establish a classic Bluetooth connection with the terminal device, or the terminal device also You can re-select the classic Bluetooth address to be connected back to ensure successful classic Bluetooth connection back. Of course, it is understandable that the terminal device reselects the classic Bluetooth address for the connection back, and the corresponding connection back may be another group of Bluetooth devices.

Step 304, receiving the LE Audio broadcast signal sent by the second target electronic device, and judging whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE Audio broadcast signal and the information to be connected back, if they belong to the same group of Bluetooth devices, then according to the LE The BLE address corresponding to the Audio broadcast signal sends a second connection back request to the second target electronic device, and the second connection back request is used to trigger the second target electronic device to establish a LE Audio Bluetooth connection with the terminal device.

When any electronic device in the same group of Bluetooth devices needs to establish a LE Audio Bluetooth connection with the terminal device, it can be in a broadcast state and send a LE Audio broadcast signal with its own BLE address. If the terminal device receives the LE Audio broadcast signal sent by the second target electronic device, it can judge whether the second target electronic device belongs to the same group of Bluetooth devices to be connected back according to the received LE Audio broadcast signal and the information to be connected back. , you can perform LE Audio Bluetooth connection back with the second target electronic device. The terminal device can send a second connection back request to the second target electronic device according to the BLE address corresponding to the received LE Audio broadcast signal, so as to trigger the second target electronic device to establish a LE Audio Bluetooth connection with the terminal device.

As a specific implementation, the terminal device can send a connection request command (which can be understood as a second connection request) to the second target electronic device based on the BLE address in the received LE Audio broadcast signal. The connection request command is used to notify The second target electronic device is about to perform LE Audio Bluetooth connection with the second target electronic device. After receiving the connection request command, the second target electronic device can prepare for receiving according to the connection request command. For example, the connection request command may include field information such as transmission window delay (Transmit window offset), transmission window size (Transmit window size). Among them, information such as transmission window delay and transmission window size can be used to determine the time interval from receiving the connection request command to receiving the LE Audio connection data packet of the second target electronic device. When reaching the connection anchor point, the terminal device can send an LE Audio connection data packet to the second target electronic device, and after receiving the LE Audio connection data packet, the second target electronic device can return a response signal to the terminal device, thereby communicating with the terminal The device successfully establishes a LE Audio Bluetooth connection. For the specific connection method, please refer to the regulations of the relevant Bluetooth protocol.

In some embodiments, when the terminal device determines that the second target electronic device does not belong to the same group of Bluetooth devices to be connected back according to the received LE Audio broadcast signal and the information to be connected back, the terminal device may not respond to the LE Audio broadcast signal, No LE Audio Bluetooth connection is established with the second target electronic device.

It should be noted that, in the case that the second target electronic device belongs to the same group of Bluetooth devices to be connected back, the second target electronic device can be any electronic device in the same group of Bluetooth devices, such as the same group The current master-slave relationship in the Bluetooth device is the electronic device of the master device (that is, the above-mentioned first target electronic device), or it can be the electronic device whose current master-slave relationship is the slave device in the same group of Bluetooth devices. It can be understood that the first target electronic device A target electronic device and a second target electronic device may be the same electronic device or different electronic devices. In the embodiment of the present application, the terminal device can establish dual Bluetooth connections with the same group of Bluetooth devices, so as to meet different requirements in different business scenarios, and facilitate quick switching.

In some embodiments, the terminal device judges whether the second target electronic device belongs to the same group of Bluetooth devices to be connected according to the received LE Audio broadcast signal and the information to be connected back, and can be judged in any of the following ways:

Method 1. The information to be connected back may include the classic Bluetooth address shared by the same group of Bluetooth devices to be connected back, and the same SIRK corresponding to each electronic device of the same group of Bluetooth devices. Since each electronic device belonging to a group of Bluetooth devices corresponds to the same SIRK, it can be determined whether the second target electronic device belongs to the same group of Bluetooth devices through the SIRK corresponding to the same group of Bluetooth devices to be connected back.

The terminal device can analyze the received LE Audio broadcast signal to obtain the specific broadcast information carried by the LE Audio broadcast signal, and calculate the local value according to the SIRK contained in the information to be connected back and the specific broadcast information. If the local value is the same as If the target field values in the LE Audio broadcast signal are the same, it can be determined that the second target electronic device belongs to the same group of Bluetooth devices.

As a specific implementation, the LE Audio broadcast signal may include RSI (resolvable Set Identifier, resolvable set identifier), and the RSI may include two parts: 1. A hash sequence generated by the SIRK corresponding to the electronic device; 2. A random sequence of random numbers generated. The specific broadcast information obtained by parsing the LE Audio broadcast signal may include a random sequence of RSI, and the target field value in the LE Audio broadcast signal may refer to the hash sequence of the RSI carried by the LE Audio broadcast signal. When the SIRK corresponding to the same group of Bluetooth devices to be connected back is known, the local value can be calculated according to the SIRK contained in the connected back information and the random sequence in the analyzed RSI, and the local value is compared with LE Audio The broadcast signal is compared with the hash sequence of the RSI, and if the two are consistent, it can be determined that the second target electronic device belongs to the same group of Bluetooth devices to be connected back.

Mode 2: As another way of using the SIRK corresponding to the electronic device to determine whether the second target electronic device belongs to the same group of Bluetooth devices to be connected back, the LE Audio broadcast signal may directly include the SIRK. The terminal device can obtain the SIRK carried in the received LE Audio broadcast signal. If the SIRK carried in the LE Audio broadcast signal is consistent with the SIRK contained in the information to be connected back, it is determined that the second target electronic device belongs to the same device to be connected back. Group bluetooth devices.

Method 3. The information to be connected back can include the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices to be connected back, and the BLE address of each electronic device in the same group of Bluetooth devices. It should be noted that the same group of Bluetooth Each electronic device in the device refers to the electronic device that has established a LE Audio Bluetooth connection with the terminal device. The terminal device can determine whether the BLE address corresponding to the received LE Audio broadcast signal is consistent with any BLE address contained in the information to be connected back, if the BLE address corresponding to the LE Audio broadcast signal is consistent with any BLE address contained in the information to be connected back If the addresses are consistent, it is determined that the second target electronic device belongs to the same group of Bluetooth devices.

It should be noted that judging whether the second target electronic device belongs to the same group of Bluetooth devices to be connected according to the received LE Audio broadcast signal and the information to be connected back is not limited to the above-mentioned several methods, and other methods can also be used. For example, the same group of Bluetooth devices can correspond to the same identity (such as the same product number, or the same random number, etc.), and the terminal device can determine whether the identity carried by the LE Audio broadcast signal is consistent with the identity contained in the connection information , if they are consistent, it is determined that the second target electronic device belongs to the same group of Bluetooth devices.

Exemplarily, FIG. 4A is a schematic diagram of a timing sequence of a Bluetooth connection back method in an embodiment. As shown in FIG. 4A , the first earphone and the second earphone belong to the same earphone device, that is, they belong to the same group of Bluetooth devices, and the first earphone and the second earphone can share the same classic Bluetooth address after the Bluetooth connection is established. When performing a connection back, the terminal device may first perform a classic Bluetooth connection back, and send a first connection back request to the headset device based on the classic Bluetooth address to be connected back (that is, the classic Bluetooth address shared by the first earphone and the second earphone). Assuming that the main earphone of the current earphone device is the first earphone, if the first earphone receives the first connection request, it can establish a classic Bluetooth connection with the terminal device. Optionally, after the first earphone establishes a classic Bluetooth connection with the terminal device, data synchronization is performed between the first earphone and the second earphone. Monitor, or the first earphone will synchronize the data transmitted with the terminal device through the classic Bluetooth connection to the second earphone.

The first earphone can be in a broadcast state and send LE Audio broadcast signals. If the terminal equipment receives the LE Audio broadcast signal, it can judge whether the electronic device sending the LE Audio broadcast signal belongs to the same group of Bluetooth devices as the first earphone according to the LE Audio broadcast signal. Since the LE Audio broadcast signal is sent by the first earphone, the terminal device can determine that it belongs to the same group of Bluetooth devices, and send a second connection request to the first earphone according to the BLE address of the first earphone, and establish a LE with the first earphone. Audio Bluetooth connection.

Exemplarily, FIG. 4B is a schematic diagram of a sequence of a Bluetooth connection back method in an embodiment. The difference from FIG. 4A is that in FIG. 4B, the second earphone sends LE Audio broadcast signals. If the terminal device receives the LE Audio broadcast signal, it can judge according to the LE Audio broadcast signal whether the electronic device sending the LE Audio broadcast signal belongs to the same group of Bluetooth devices to be connected back (for example, whether it belongs to the same group of Bluetooth devices as the first earphone) . When it is determined according to the LE Audio broadcast signal that it belongs to the same group of Bluetooth devices to be connected back (for example, it is determined that the first earphone and the second earphone belong to the same group of Bluetooth devices), the second earphone can be sent to the second earphone according to the BLE address of the second earphone. Return connection request and establish LE Audio Bluetooth connection with the second earphone.

In the embodiment of this application, the terminal device can quickly and accurately perform classic Bluetooth and LE Audio Bluetooth back-connection with at least one target electronic device in the same group of Bluetooth devices that support both classic Bluetooth and BLE Audio, ensuring different scenarios The success rate and stability of the Bluetooth connection back. Moreover, the bluetooth connection back solution provided by the embodiment of the present application is only implemented on the terminal device side, which avoids the complicated design of each electronic device of the same group of bluetooth devices, and has better versatility.

As shown in FIG. 5, in another embodiment, a Bluetooth connection back method is provided, which can be applied to the above-mentioned terminal device, and the method may include the following steps:

Step 502, respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same group of Bluetooth devices.

Both the first electronic device and the second electronic device may be electronic devices that have made a Bluetooth connection with the terminal device for the first time, or although a classic Bluetooth connection has been established with the terminal device, the factory settings of the terminal device have been restored. Device information of an electronic device and device information of a second electronic device.

The current master-slave relationship of the first electronic device may be a master device, and the current master-slave relationship of the second electronic device may be a slave device. The terminal device can determine the classic Bluetooth address and the first BLE address corresponding to the first electronic device, and determine the second BLE address corresponding to the second electronic device, and establish a classic Bluetooth address with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device. Bluetooth connection, establishing a first LE Audio connection with the first electronic device according to the first BLE address, and establishing a second LE Audio connection with the second electronic device according to the second BLE address.

As an implementation manner, the terminal device determining the classic Bluetooth address corresponding to the first electronic device may include: inquiring about the Bluetooth devices existing within the first distance range, and determining the corresponding address of the first electronic device according to the query response returned by the first electronic device. Classic Bluetooth address. The terminal device can start an inquiry mode (inquiry mode), and in this inquiry mode, the terminal device can send an inquiry command (inquiry command) every first time length to inquire about the Bluetooth devices existing within the first distance range. The first electronic device can be in a discoverable state or a discoverable and connectable state. In this discoverable state, the first electronic device turns on the inquiry scan mode. In the discoverable and connectable state, both page scan and inquiry scan are turned on, and can scan Inquiry command sent to terminal equipment. When the first electronic device in the discoverable state receives the query instruction sent by the terminal device, it may return a query response to the terminal device, and the terminal device may determine the classic Bluetooth address corresponding to the first electronic device based on the query response.

In some embodiments, the first electronic device can turn on the broadcast state, and in the broadcast state, the first electronic device can send the first LE Audio broadcast signal based on the first BLE address. The terminal device may receive the first LE Audio broadcast signal sent by the first electronic device, and determine the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal. The second electronic device can also turn on the broadcast state, and in the broadcast state, the second electronic device can send a second LE Audio broadcast signal based on the second BLE address. The terminal device can receive the second LE Audio broadcast signal sent by the second electronic device, and determine the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal.

The terminal device can establish a first LE Audio connection with the first electronic device according to the first BLE address, and establish a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and determine the connection between the second electronic device and the first electronic device. When an electronic device belongs to the same group of Bluetooth devices, establish a second LE Audio connection with the second electronic device according to the second BLE address.

In some embodiments, before the terminal device establishes the second LE Audio Bluetooth connection with the second electronic device according to the second BLE address, it can first send the first LE Audio broadcast signal according to the first electronic device and the second electronic device. The second LE Audio broadcasts a signal to determine whether the first electronic device and the second electronic device belong to the same group of Bluetooth devices. To determine whether the first electronic device and the second electronic device belong to the same group of Bluetooth devices, any one of the following methods can be adopted:

Method 1: The first LE Audio broadcast signal includes a first identity, and the second LE Audio broadcast signal includes a second identity. After receiving the first LE Audio broadcast signal and the second LE Audio broadcast signal, the terminal device can determine whether the first identity in the first LE Audio broadcast signal is the same as the second identity in the second LE Audio broadcast signal, If the first identity is the same as the second identity, it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.

Method 2: After receiving the first LE Audio broadcast signal, the terminal device can determine the target SIRK corresponding to the first electronic device according to the first LE Audio broadcast signal. After receiving the second LE Audio broadcast signal, the second LE Audio broadcast signal can be analyzed to obtain the target-specific broadcast information carried by the second LE Audio broadcast signal, and the target local area can be calculated according to the target SIRK and target-specific broadcast information. value. It can be determined whether the target local value is the same as the target field value in the second LE Audio broadcast signal, and if the target local value is the same as the target field value in the second LE Audio broadcast signal, then it is determined that the second electronic device and the first electronic device belong to same set of bluetooth devices.

Optionally, the first LE Audio broadcast signal may directly carry a target SIRK corresponding to the first electronic device, and the terminal device may obtain the target SIRK by analyzing the first LE Audio broadcast signal. The first LE Audio broadcast signal can also carry the first RSI, and the terminal device can analyze the first LE Audio broadcast signal to obtain the first hash sequence and the first random sequence of the first RSI, and then the first hash sequence and the first The random sequence is calculated to obtain the target SIRK corresponding to the first electronic device.

The target specific broadcast information carried by the second LE Audio broadcast signal may include a second random sequence of the second RSI carried by the second LE Audio broadcast signal, and the target field value in the second LE Audio broadcast signal may include the second RSI the second hash sequence. The target local value can be calculated according to the target SIRK corresponding to the first electronic device and the second random sequence of the second RSI, and the target local value is compared with the second hash sequence of the second RSI, and if the two are consistent, then It may be determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.

Method 3: The terminal device can determine the target SIRK corresponding to the first electronic device according to the first LE Audio broadcast signal, and determine the SIRK corresponding to the second electronic device according to the second LE Audio broadcast signal, and determine the target SIRK corresponding to the first electronic device Whether the SIRK corresponding to the second electronic device is consistent, if consistent, it can be determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.

For the manner of determining the target SIRK corresponding to the first electronic device and the SIRK corresponding to the second electronic device, reference may be made to relevant descriptions in the foregoing embodiments, and details are not repeated here.

It should be noted that the embodiment of the present application does not limit the order in which the first electronic device sends the first LE Audio broadcast signal and the second electronic device sends the second LE Audio broadcast signal. It may be that the first electronic device sends the first LE Audio broadcast signal first. Broadcast signal, the second electronic device then sends the second LE Audio broadcast signal, or the second electronic device first sends the second LE Audio broadcast signal, and the first electronic device sends the first LE Audio broadcast signal, or both at the same time send etc. The embodiment of the present application also does not limit the order in which the terminal device determines the first BLE address, the classic Bluetooth address corresponding to the first electronic device, and the second BLE address.

Exemplarily, FIG. 6 is a schematic diagram of a timing sequence of a terminal device performing a Bluetooth connection in an embodiment. As shown in Figure 6, the first electronic device sends a first LE Audio broadcast signal to the terminal device, and the terminal device can obtain the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal. The second electronic device sends a second LE Audio broadcast signal to the terminal device, and the terminal device can obtain the second BLE address corresponding to the second electronic device according to the second LE Audio broadcast signal. The terminal device is in the inquiry mode and sends an inquiry command, and the first electronic device in the discoverable state (that is, in the inquiry scan mode) can receive the inquiry command, and the first electronic device returns an inquiry response to the terminal device, and the terminal device can according to the The inquiry responds to obtain the first classic bluetooth address corresponding to the first electronic device.

The terminal device may establish a first LE Audio Bluetooth connection with the first electronic device based on the first BLE address, and establish a classic Bluetooth connection with the first electronic device based on the first classic Bluetooth address. The terminal device can determine whether the first electronic device and the second electronic device belong to the same group of Bluetooth devices, and if they belong to the same group of Bluetooth devices, establish a second LE Audio Bluetooth connection with the second electronic device based on the second BLE address. It should be noted that the terminal device may determine whether the first electronic device and the second electronic device belong to the same group of Bluetooth devices, or before outputting the information to be connected, the embodiment of the present application does not specifically limit the sequence of this step. In some embodiments, the first electronic device and the second electronic device can share the same classic Bluetooth address, the first BLE address of the first electronic device can be the same as the classic Bluetooth address, and the second BLE address of the second electronic device can be the same as The classic bluetooth address is different. Optionally, before the terminal device establishes a Bluetooth connection with the first electronic device and the second electronic device, only one pending connection information may be output for the first electronic device and the second electronic device belonging to the same group of Bluetooth devices, the pending connection The information may be used to represent the Bluetooth connection with the first electronic device and the second electronic device belonging to the same group of Bluetooth devices. Since the first BLE address of the first electronic device is the same as the shared classic Bluetooth address, the same information to be connected can be displayed. Further, the second LE Audio broadcast signal includes a non-displayable identifier, which is used to indicate that the LE Audio broadcast The pending connection information corresponding to the BLE address in the signal is not displayed on the terminal device.

For the same group of Bluetooth devices, the terminal device only displays a corresponding information to be connected, and the user only needs to perform a Bluetooth connection operation on the terminal device to trigger the connection between the terminal device and the first electronic device and the second electronic device belonging to the same group of Bluetooth devices. The device respectively establishes LE Audio Bluetooth connection, and establishes a classic Bluetooth connection with the first electronic device, which can quickly perform LE Audio Bluetooth and classic Bluetooth connection with devices that support both classic Bluetooth and BLE Audio, and combine BLE Audio with classic Bluetooth to Meet users' needs for audio transmission in different scenarios.

Step 504, storing the device information of the first electronic device and the device information of the second electronic device in the same information combination set.

After the terminal device successfully establishes the Bluetooth connection with the first electronic device, it may store the device information of the first electronic device in the connection record. After the terminal device successfully establishes the Bluetooth connection with the second electronic device, the device information of the second electronic device may be stored in the connection record. Since the first electronic device and the second electronic device belong to the same group of Bluetooth devices, the device information of the first electronic device and the device information of the second electronic device can be stored in the same information combination set of the connection record to facilitate subsequent connection back.

Step 506, determine the same group of Bluetooth devices to be connected back, and determine the information to be connected back from the information combination set corresponding to the same group of Bluetooth devices to be connected back.

In some embodiments, if the connection record includes multiple information combination sets, that is, device information corresponding to each electronic device that stores multiple groups of Bluetooth devices, and each information combination set corresponds to a group of Bluetooth devices, the terminal device can The same group of Bluetooth devices to be connected back is determined from multiple groups of Bluetooth devices, and the information to be connected back is determined from the information combination set corresponding to the same group of Bluetooth devices to be connected back. The pending connection information may include the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices to be connected back, and the same SRIK corresponding to each electronic device in the same group of Bluetooth devices; or, the pending connection information may include the pending connection The classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices connected, and the BLE address of each electronic device in the same group of Bluetooth devices to be connected back.

Step 508: Send a first connection-back request according to the classic Bluetooth address contained in the information to be connected back, and the first connection-back request is used to trigger the current master-slave relationship with the same group of Bluetooth devices to be connected back. The target electronic device establishes a classic Bluetooth connection with the terminal device.

Step 510, receiving the LE Audio broadcast signal sent by the second target electronic device, and judging whether the second target electronic device belongs to the same group of Bluetooth devices to be connected back according to the LE Audio broadcast signal and the information to be connected back, and if so, according to The BLE address corresponding to the LE Audio broadcast signal sends a second connection back request to the second target electronic device, and the second connection back request is used to trigger the second target electronic device to establish a LE Audio Bluetooth connection with the terminal device.

For descriptions of steps 508-510, reference may be made to relevant descriptions in the foregoing embodiments, and details are not repeated here.

In some embodiments, the same group of Bluetooth devices includes the same group of audio output devices, the same group of audio output devices includes a first audio output device and a second audio output device, and the first audio output device and the second audio output device form a pair of audio output device.

In the embodiment of the present application, when a terminal device establishes a Bluetooth connection with multiple electronic devices in the same group of Bluetooth devices, the device information of each electronic device belonging to the same group of Bluetooth devices can be stored in the same information combination set, which is convenient for subsequent When performing Bluetooth connection back, the terminal device can accurately and quickly perform Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices to be connected back, which improves the success rate and stability of Bluetooth connection back.

As shown in FIG. 7, in an embodiment, an information storage method is provided, which can be applied to the above-mentioned terminal device, and the method may include the following steps:

Step 710, respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same group of Bluetooth devices.

In one embodiment, the device information of the first electronic device includes at least one of the classic Bluetooth address corresponding to the first electronic device, the first BLE address, the device name, and SIRK; the device information of the second electronic device includes the second electronic At least one of the classic Bluetooth address, the second BLE address, the device name, and the SIRK corresponding to the device.

In one embodiment, step 710 may include: receiving the first LE Audio broadcast signal sent by the first electronic device, and determining the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; The classic Bluetooth address corresponding to the device; receive the second LE Audio broadcast signal sent by the second electronic device, and determine the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; according to the first BLE address and the first electronic device The device establishes a first LE Audio connection, and establishes a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and when it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices, Establishing a second LE Audio connection with the second electronic device according to the second BLE address.

In one embodiment, the first electronic device and the second electronic device share the same classic Bluetooth address, the first BLE address of the first electronic device is the same as the classic Bluetooth address, and the second BLE address of the second electronic device is different from the classic Bluetooth address .

In one embodiment, the first LE Audio broadcast signal includes a first identity, and the second LE Audio broadcast signal includes a second identity; when it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices, Before establishing the second LE Audio connection with the second electronic device according to the second BLE address, the method further includes: if the first identity is the same as the second identity, then determining that the second electronic device and the first electronic device belong to the same Bluetooth group equipment.

In one embodiment, when it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices, before establishing the second LE Audio connection with the second electronic device according to the second BLE address, the method further includes: The first LE Audio broadcast signal determines the SIRK corresponding to the first electronic device; the second LE Audio broadcast signal is analyzed to obtain the target-specific broadcast information carried by the second LE Audio broadcast signal; according to the SIRK corresponding to the first electronic device and the target The specific broadcast information is calculated to obtain the target local value; if the target local value is the same as the target field value in the second LE Audio broadcast signal, it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.

Step 720, storing the device information of the first electronic device and the device information of the second electronic device in the same information combination set. The same information combination set is used to determine information to be connected back, and the information to be connected back is used to trigger a connection back with at least one target electronic device in the same group of Bluetooth devices.

It should be noted that, for the description of the information storage method provided in the embodiment of the present application, reference may be made to the relevant description of the Bluetooth connection back method provided in the foregoing embodiments, and details will not be repeated here.

As shown in FIG. 8 , in one embodiment, a Bluetooth connection back device 800 is provided, which can be applied to the above-mentioned terminal equipment. The Bluetooth connection back device 800 may include an information determination module 810 and a Bluetooth connection module 820 .

The information determination module 810 is configured to determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices belong to the same group of Bluetooth devices.

In one embodiment, the same group of Bluetooth devices includes the same group of audio output devices, the same group of audio output devices includes a first audio output device and a second audio output device, and the first audio output device and the second audio output device form a pair of audio output device.

In one embodiment, the device information includes at least one of a classic Bluetooth address, a BLE address, a device name, and a combined identification analysis value SIRK corresponding to the electronic device;

The information to be connected back includes the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices and the same SIRK corresponding to each electronic device in the same group of Bluetooth devices; or, the information to be connected back includes the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices. Bluetooth address and the BLE address of each electronic device in the same group of Bluetooth devices.

In one embodiment, the same set of Bluetooth devices includes any of the following:

The same group of Bluetooth devices refers to the group of Bluetooth devices to which the electronic device that established a Bluetooth connection with the terminal device last belongs;

The same group of Bluetooth devices refers to the group of Bluetooth devices to which the electronic device that disconnected the Bluetooth connection with the terminal device last time belongs to;

The same group of Bluetooth devices refers to the group of Bluetooth devices to which the electronic device that establishes the most Bluetooth connections with the terminal device belongs;

The same group of Bluetooth devices is a group of Bluetooth devices determined according to the detected setting operation.

The Bluetooth connection module 820 is configured to perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back.

In one embodiment, each electronic device in the same group of Bluetooth devices shares the same classic Bluetooth address, and each electronic device in the same group of Bluetooth devices corresponds to a different BLE address; and/or, the default master device in the same group of Bluetooth devices The BLE address of the device is the same as the classic Bluetooth address, and the BLE address of the default slave device in the same group of Bluetooth devices is different from the classic Bluetooth address.

In one embodiment, the connection-to-be-connected information includes a classic Bluetooth address. The Bluetooth connection module 820 is also used to send the first connection back request according to the classic Bluetooth address, and the first connection back request is used to trigger the establishment of the first target electronic device and the terminal device of the current master-slave relationship in the same group of Bluetooth devices as the master device Classical Bluetooth connection; and/or, used to receive the LE Audio broadcast signal sent by the second target electronic device, and judge whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE Audio broadcast signal and the information to be connected back. group bluetooth device, then according to the BLE address corresponding to the LE Audio broadcast signal, send a second connection back request to the second target electronic device, and the second connection back request is used to trigger the second target electronic device to establish a LE Audio bluetooth connection with the terminal device.

In an embodiment, the information to be connected back further includes SIRKs corresponding to the same group of Bluetooth devices. The Bluetooth connection module 820 is also used to analyze the LE Audio broadcast signal to obtain the specific broadcast information carried by the LE Audio broadcast signal; calculate the local value according to SIRK and specific broadcast information; if the local value is consistent with the target in the LE Audio broadcast signal field values are the same, it is determined that the second target electronic device belongs to the same group of Bluetooth devices.

In an embodiment, the information to be connected back further includes SIRKs corresponding to the same group of Bluetooth devices. The Bluetooth connection module 820 is also used to obtain the SIRK carried in the LE Audio broadcast signal. If the SIRK carried in the LE Audio broadcast signal is consistent with the SIRK contained in the information to be connected back, it is determined that the second target electronic device belongs to the same group of Bluetooth devices .

In one embodiment, the connection-to-be-connected information further includes BLE addresses of electronic devices in the same group of Bluetooth devices. The Bluetooth connection module 820 is also used to determine that the second target electronic device belongs to the same group of Bluetooth devices if the BLE address corresponding to the LE Audio broadcast signal is consistent with any BLE address contained in the information to be connected back.

In one embodiment, the Bluetooth connection back device 800 includes a storage module in addition to the information determination module 810 and the Bluetooth connection module 820 .

The Bluetooth connection module 820 is also used to respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to same set of bluetooth devices.

In one embodiment, the Bluetooth connection module 820 is also used for the first LE Audio broadcast signal sent by the first electronic device, and determines the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; determine the first The classic Bluetooth address corresponding to the electronic device; receiving the second LE Audio broadcast signal sent by the second electronic device, and determining the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; and according to the first BLE address and the second BLE address An electronic device establishes a first LE Audio connection, establishes a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and determines that the second electronic device and the first electronic device belong to the same group of Bluetooth devices Next, establish a second LE Audio connection with the second electronic device according to the second BLE address.

In one embodiment, the first LE Audio broadcast signal includes a first identity, and the second LE Audio broadcast signal includes a second identity. The Bluetooth connection module 820 is further configured to determine that the second electronic device and the first electronic device belong to the same group of Bluetooth devices if the first identity is the same as the second identity.

In one embodiment, the Bluetooth connection module 820 is also used to determine the target SIRK corresponding to the first electronic device according to the first LE Audio broadcast signal; analyze the second LE Audio broadcast signal to obtain the second LE Audio broadcast signal carried Target-specific broadcast information; calculate the target local value according to the target SIRK and target-specific broadcast information; if the target local value is the same as the target field value in the second LE Audio broadcast signal, it is determined that the second electronic device and the first electronic device belong to same set of bluetooth devices.

The storage module is configured to store the device information of the first electronic device and the device information of the second electronic device in the same information combination set.

The information determination module 810 is further configured to determine the same group of Bluetooth devices to be connected back, and determine the information to be connected back from the information combination set corresponding to the same group of Bluetooth devices to be connected back.

As shown in FIG. 9 , in one embodiment, an information storage device 900 is provided, which can be applied to the above-mentioned terminal equipment. The information storage device 900 can include a Bluetooth connection module 910 and a storage module 920 .

Bluetooth connection module 910, configured to respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same Group bluetooth devices.

In one embodiment, the Bluetooth connection module 910 is further configured to receive the first LE Audio broadcast signal sent by the first electronic device, and determine the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; determine the first BLE address corresponding to the first electronic device A classic Bluetooth address corresponding to an electronic device; receiving the second LE Audio broadcast signal sent by the second electronic device, and determining the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal; according to the first BLE address and the second An electronic device establishes a first LE Audio connection, establishes a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and determines that the second electronic device and the first electronic device belong to the same group of Bluetooth devices Next, establish a second LE Audio connection with the second electronic device according to the second BLE address.

The storage module 920 is configured to store the device information of the first electronic device and the device information of the second electronic device in the same information combination set, the same information combination set is used to determine the information to be connected back, and the information to be connected back is used to trigger a connection back with at least one target electronic device in the same group of bluetooth devices.

In one embodiment, the first electronic device and the second electronic device share the same classic Bluetooth address, the first BLE address of the first electronic device is the same as the classic Bluetooth address, and the second BLE address of the second electronic device is the same as the classic Bluetooth address. The address is different.

Fig. 10 is a structural block diagram of a terminal device in an embodiment. As shown in Figure 10, the terminal device 1000 may include one or more of the following components: a processor 1010, a memory 1020 coupled to the processor 1010, wherein the memory 1020 may store one or more computer programs, one or more computer programs It may be configured to implement the methods described in the foregoing embodiments when executed by one or more processors 1010 .

Processor 1010 may include one or more processing cores. The processor 1010 uses various interfaces and lines to connect various parts of the entire terminal device 1000, and by running or executing instructions, programs, code sets or instruction sets stored in the memory 1020, and calling data stored in the memory 1020, execute Various functions and processing data of the terminal device 1000. Optionally, the processor 1010 may adopt at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable Logic Array, PLA). implemented in the form of hardware. The processor 1010 may integrate one or a combination of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), a modem, and the like. Among them, the CPU mainly handles the operating system, user interface and application programs, etc.; the GPU is used to render and draw the displayed content; the modem is used to handle wireless communication. It can be understood that the above modem may also not be integrated into the processor 1010, but implemented by a communication chip alone.

The memory 1020 may include random access memory (Random Access Memory, RAM), and may also include read-only memory (Read-Only Memory, ROM). The memory 1020 may be used to store instructions, programs, codes, sets of codes or sets of instructions. The memory 1020 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system and instructions for implementing at least one function (such as a touch function, a sound playback function, an image playback function, etc.) , instructions for implementing the foregoing method embodiments, and the like. The storage data area can also store data created by the terminal device 1000 during use, and the like.

The terminal device 1000 may further include a Bluetooth module, which may be used to provide a Bluetooth communication function, establish a Bluetooth connection with other electronic devices, and perform Bluetooth data transmission. The Bluetooth module can support one or more Bluetooth protocols, such as classic Bluetooth, BLE, BLE Audio, etc.), but is not limited to this, and can change with the development of the Bluetooth protocol.

In some embodiments, the processor 910 is configured to determine the information to be connected, the information to be connected is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more The electronic devices belong to the same group of Bluetooth devices; and it is used to instruct the Bluetooth module to perform Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back.

It can be understood that the terminal device 1000 may include more or less structural elements than those in the above structural block diagrams, for example, including a power module, physical keys, sensors, display screens, cameras, etc., which are not limited here.

The embodiment of the present application discloses a computer-readable storage medium, which stores a computer program, wherein when the computer program is executed by a processor, the methods described in the foregoing embodiments are implemented.

The embodiment of the present application discloses a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program can be executed by a processor to implement the methods described in the foregoing embodiments.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be realized through computer programs to instruct related hardware, and the programs can be stored in a non-volatile computer-readable storage medium When the program is executed, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a ROM, or the like.

Any reference to memory, storage, database or other medium as used herein may include non-volatile and/or volatile memory. Suitable non-volatile memory may include ROM, Programmable ROM (PROM), Erasable PROM (Erasable PROM, EPROM), Electrically Erasable PROM (Electrically Erasable PROM, EEPROM) or flash memory. Volatile memory can include random access memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM can take many forms, such as static RAM (Static RAM, SRAM), dynamic RAM (Dynamic Random Access Memory, DRAM), synchronous DRAM (synchronous DRAM, SDRAM), double data rate SDRAM (Double data rate Data Rate SDRAM, DDR SDRAM), enhanced SDRAM (Enhanced Synchronous DRAM, ESDRAM), synchronous link DRAM (Synchlink DRAM, SLDRAM), memory bus direct RAM (Rambus DRAM, RDRAM) and direct memory bus dynamic RAM (Direct Rambus DRAM) , DRDRAM).

It should be understood that reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present application. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also know that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required by this application.

In various embodiments of the present application, it should be understood that the sequence numbers of the above-mentioned processes do not necessarily mean the order of execution. The implementation of the examples constitutes no limitation.

The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, located in one place, or distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

A Bluetooth connection back method and device, an information storage method and device, a terminal device, and a storage medium disclosed in the embodiments of the present application have been described above in detail. In this paper, specific examples are used to illustrate the principle and implementation of the present application. The descriptions of the above embodiments are only used to help understand the method and the core idea of the present application. At the same time, for those skilled in the art, based on the idea of this application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims

A bluetooth connection back method is characterized in that it is applied to a terminal device, and the method includes:

Determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices belong to the same group of Bluetooth devices middle;

Perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the pending connection information.
The method according to claim 1, wherein each electronic device in the same group of Bluetooth devices shares the same classic Bluetooth address, and each electronic device in the same group of Bluetooth devices corresponds to a different BLE address; and/ or,

The BLE address of the default master device in the same group of Bluetooth devices is the same as the classic Bluetooth address, and the BLE address of the default slave device in the same group of Bluetooth devices is different from the classic Bluetooth address.
The method according to claim 1, wherein the information to be connected back includes a classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices;

The performing a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the pending connection information includes:

Send a first connection back request according to the classic Bluetooth address, and the first connection back request is used to trigger the establishment of the first target electronic device of the master device and the terminal device in the current master-slave relationship among the same group of Bluetooth devices Classic Bluetooth connectivity; and/or,

receiving the LE Audio broadcast signal sent by the second target electronic device, and judging whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE Audio broadcast signal and the information to be connected; Bluetooth device, then send a second connection back request to the second target electronic device according to the BLE address corresponding to the LE Audio broadcast signal, and the second connection back request is used to trigger the connection between the second target electronic device and the The terminal device establishes a LE Audio Bluetooth connection.
The method according to claim 3, wherein the first connection back request is a paging data packet.
The method according to claim 4, characterized in that, the paging data packet is sent in a frequency hopping manner.
The method according to claim 3, wherein the connection-to-be-returned information further includes a combination identification analysis value SIRK corresponding to the same group of Bluetooth devices;

The judging whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE Audio broadcast signal and the connection-to-be-connected information includes:

Analyzing the LE Audio broadcast signal to obtain the specific broadcast information carried by the LE Audio broadcast signal;

calculating a local value according to the SIRK and the specific broadcast information;

If the local value is the same as the target field value in the LE Audio broadcast signal, it is determined that the second target electronic device belongs to the same group of Bluetooth devices.
The method according to claim 3, wherein the connection-to-be-returned information further includes a combination identification analysis value SIRK corresponding to the same group of Bluetooth devices;

The judging whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE Audio broadcast signal and the connection-to-be-connected information includes:

Obtain the SIRK carried in the LE Audio broadcast signal, and if the SIRK carried in the LE Audio broadcast signal is consistent with the SIRK contained in the information to be connected back, then determine that the second target electronic device belongs to the same group bluetooth device.
The method according to claim 3, wherein the information to be connected back further includes the BLE address of each electronic device in the same group of Bluetooth devices;

The judging whether the second target electronic device belongs to the same group of Bluetooth devices according to the LE audio broadcast signal and the connection-to-be-connected information includes:

If the BLE address corresponding to the LE Audio broadcast signal is consistent with any BLE address contained in the information to be connected back, it is determined that the second target electronic device belongs to the same group of Bluetooth devices.
The method according to any one of claims 1 to 8, wherein the device information includes at least one of a classic Bluetooth address, a BLE address, a device name, and a combined identification analysis value SIRK corresponding to the electronic device;

The information to be connected back includes the classic Bluetooth address shared by each electronic device in the same group of Bluetooth devices and the same SIRK corresponding to each electronic device in the same group of Bluetooth devices; or, the information to be connected back includes the same The classic Bluetooth address shared by each electronic device in the group of Bluetooth devices and the BLE address of each electronic device in the same group of Bluetooth devices.
The method according to any one of claims 1-8, wherein the same group of Bluetooth devices includes any of the following:

The same group of Bluetooth devices is a group of Bluetooth devices to which the electronic device that established a Bluetooth connection with the terminal device last time belongs to;

The same group of Bluetooth devices is a group of Bluetooth devices to which the electronic device that disconnected the Bluetooth connection with the terminal device last time belongs to;

The same group of bluetooth devices is a group of bluetooth devices to which the electronic device that establishes the most number of bluetooth connections with the terminal device belongs;

The same group of Bluetooth devices is a group of Bluetooth devices determined according to the detected setting operation.
The method according to any one of claims 1-8, characterized in that, before the determination of the information to be connected back, the method further includes:

Establishing a classic Bluetooth connection and a first LE Audio connection with the first electronic device respectively, and establishing a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same group of Bluetooth devices;

storing the device information of the first electronic device and the device information of the second electronic device in the same information combination set;

The determining the information to be connected back includes: determining the same group of Bluetooth devices to be connected back, and determining the information to be connected back from the information combination set corresponding to the same group of Bluetooth devices to be connected back.
The method according to claim 11, wherein said establishing a classic Bluetooth connection and a first LE Audio connection with the first electronic device respectively, and establishing a second LE Audio connection with the second electronic device include:

Receiving the first LE Audio broadcast signal sent by the first electronic device, and determining the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal;

determining the classic bluetooth address corresponding to the first electronic device;

Receive the second LE Audio broadcast signal sent by the second electronic device, and determine the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal;

Establish a first LE Audio connection with the first electronic device according to the first BLE address, and establish a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and determine the first electronic device. When the second electronic device and the first electronic device belong to the same group of Bluetooth devices, establish a second LE Audio connection with the second electronic device according to the second BLE address.
The method according to claim 12, wherein the determining the classic Bluetooth address corresponding to the first electronic device comprises:

Sending a query instruction to the first electronic device, so that the first device feeds back the classic Bluetooth address corresponding to the first electronic device when receiving the query instruction;

Receive the classic Bluetooth address corresponding to the first electronic device.
The method according to claim 12, wherein the first LE Audio broadcast signal includes a first identity, and the second LE Audio broadcast signal includes a second identity; In the case that the electronic device and the first electronic device belong to the same group of Bluetooth devices, before establishing a second LE Audio connection with the second electronic device according to the second BLE address, the method further includes:

If the first identity is the same as the second identity, it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.
The method according to claim 12, wherein, when it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices, according to the second BLE address and the Before the second electronic device establishes the second LE Audio connection, the method also includes:

determining a target SIRK corresponding to the first electronic device according to the first LE Audio broadcast signal;

Analyzing the second LE Audio broadcast signal to obtain the target-specific broadcast information carried by the second LE Audio broadcast signal;

calculating a target local value according to the target SIRK and the target-specific broadcast information;

If the target local value is the same as the target field value in the second LE Audio broadcast signal, it is determined that the second electronic device and the first electronic device belong to the same group of Bluetooth devices.
The method according to any one of claims 1-8, 12-15, wherein the same group of Bluetooth devices includes the same group of audio output devices, and the same group of audio output devices includes the first audio output device and the second audio output device. The audio output device, the first audio output device and the second audio output device form a pair of audio output devices.
An information storage method, characterized in that it is applied to a terminal device, the method comprising:

Establishing a classic Bluetooth connection and a first LE Audio connection with the first electronic device respectively, and establishing a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to the same group of Bluetooth devices;

storing the device information of the first electronic device and the device information of the second electronic device in the same information combination set, the same information combination set is used to determine the information to be connected back, and the information to be connected back is used to trigger a connection back with at least one target electronic device in the same group of bluetooth devices.
The method according to claim 17, wherein the device information of the first electronic device includes at least one of a classic Bluetooth address, a first BLE address, a device name, and a SIRK corresponding to the first electronic device; The device information of the second electronic device includes at least one of a classic Bluetooth address, a second BLE address, a device name, and a SIRK corresponding to the second electronic device.
The method according to claim 17, wherein said establishing a classic Bluetooth connection and a first LE Audio connection with the first electronic device respectively, and establishing a second LE Audio connection with the second electronic device comprises:

Receiving the first LE Audio broadcast signal sent by the first electronic device, and determining the first BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal;

determining the classic bluetooth address corresponding to the first electronic device;

Receive the second LE Audio broadcast signal sent by the second electronic device, and determine the second BLE address corresponding to the first electronic device according to the first LE Audio broadcast signal;

Establish a first LE Audio connection with the first electronic device according to the first BLE address, and establish a classic Bluetooth connection with the first electronic device according to the classic Bluetooth address corresponding to the first electronic device, and determine the first electronic device. When the second electronic device and the first electronic device belong to the same group of Bluetooth devices, establish a second LE Audio connection with the second electronic device according to the second BLE address.
The method according to claim 18 or 19, wherein the first electronic device and the second electronic device share the same classic Bluetooth address, and the first BLE address of the first electronic device and the The classic Bluetooth address is the same, and the second BLE address of the second electronic device is different from the classic Bluetooth address.
A bluetooth connection back device is characterized in that it is applied to terminal equipment, and the device includes:

An information determination module, configured to determine the information to be connected back, the information to be connected back is generated according to the device information of one or more electronic devices that have established a Bluetooth connection with the terminal device, and the one or more electronic devices The device belongs to the same group of Bluetooth devices;

A Bluetooth connection module, configured to perform a Bluetooth connection with at least one target electronic device in the same group of Bluetooth devices according to the information to be connected back.
An information storage device is characterized in that it is applied to a terminal device, and the device includes:

The Bluetooth connection module is used to respectively establish a classic Bluetooth connection and a first LE Audio connection with the first electronic device, and establish a second LE Audio connection with the second electronic device, wherein the first electronic device and the second electronic device belong to The same group of Bluetooth devices;

A storage module, configured to store the device information of the first electronic device and the device information of the second electronic device in the same information combination set, the same information combination set is used to determine the information to be connected back, the The connection back information is used to trigger a connection back with at least one target electronic device in the same group of Bluetooth devices.
A terminal device, characterized in that it includes a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, the processor realizes any one of claims 1-20. the method described.
A computer-readable storage medium on which a computer program is stored, wherein the computer program implements the method according to any one of claims 1-20 when executed by a processor.