CN105682010A - Bluetooth connection control method and device in audio playing system, and player - Google Patents

Abstract

The embodiment of the invention discloses a bluetooth connection control method, device and playback equipment in an audio playback system. The method includes: when the current playback device in the audio playback system receives the Bluetooth connection request of the audio source device, determining whether the audio source device has the Bluetooth connection authorization of the current playback device according to the preset Bluetooth connection authorization information; As a result, the current playback device or other playback devices in the audio playback system are controlled to respond to the Bluetooth connection request. In the embodiment of the present invention, if the audio source device requests to access the current playback device that does not have the Bluetooth connection permission, then the audio source device can access the audio playback system through other playback devices that have the Bluetooth connection permission, which improves the satisfaction of the user experience.

Description

Bluetooth connection control method, device and playback device in audio playback system

technical field

The invention relates to the technical field of audio playback, in particular to a Bluetooth connection control method, device and playback device in an audio playback system.

Background technique

With the continuous development of mobile Internet applications, audio playback systems composed of playback devices such as smart network speakers and Bluetooth headsets are becoming more and more popular. These intelligent network speakers integrate processors, network interfaces and Bluetooth modules. In addition to playing music on the Internet, the audio playback system can also play music stored locally, such as stored in the internal memory of a playback device in the audio playback system, external Music files on other accessible audio source devices such as storage (such as U disk), smart terminals or NAS (Network Attached Storage, Network Attached Storage) in the local area network.

If the audio source device establishes a Bluetooth connection with a playback device in the audio playback system, the playback device can receive and play the audio data sent by the audio source device through the Bluetooth connection. However, currently, the method of establishing a Bluetooth connection between the audio source device and the playback device is relatively simple, which cannot meet the needs of users.

Contents of the invention

The purpose of the embodiments of the present invention is to provide a Bluetooth connection control method and device for multiple playback devices, and a playback device, to enrich the way of establishing Bluetooth connections between audio source devices and playback devices, and improve user experience satisfaction.

In a first aspect, an embodiment of the present invention provides a Bluetooth connection control method in an audio playback system, including:

When the current playback device in the audio playback system receives the Bluetooth connection request of the audio source device, determine whether the audio source device has the Bluetooth connection authorization of the current playback device according to the preset Bluetooth connection authorization information;

According to the determination result, control the current playback device or other playback devices in the audio playback system to respond to the Bluetooth connection request.

In a second aspect, an embodiment of the present invention provides a Bluetooth connection control device in an audio playback system, including:

The bluetooth permission determination module is used to determine whether the sound source device has the bluetooth connection permission of the current playback device according to the preset bluetooth connection permission information when the current playback device receives the bluetooth connection request of the audio source device in the audio playback system ;

The Bluetooth connection module is configured to control the current playback device or other playback devices in the audio playback system to respond to the Bluetooth connection request according to the determination result.

In a third aspect, an embodiment of the present invention provides a playback device, including the Bluetooth connection control device in the audio playback system provided in any embodiment of the present invention.

In the technical solution provided by the embodiment of the present invention, when the current playback device receives the Bluetooth connection request of the audio source device, it is determined whether the audio source device has the Bluetooth connection permission of the current playback device according to the Bluetooth connection authority information, and if so, the current playback device is controlled to respond. The Bluetooth connection request of the audio source device; otherwise, control other playback devices to respond to the Bluetooth connection request of the audio source device. The playback device is connected to the audio playback system, which improves the satisfaction of the user experience.

Description of drawings

FIG. 1a is a schematic flowchart of a Bluetooth connection control method in an audio playback system provided by Embodiment 1 of the present invention;

Fig. 1b is a structural diagram of an audio playback system provided by Embodiment 1 of the present invention;

Fig. 1c is a structural diagram of an audio playback system provided by Embodiment 1 of the present invention;

2 is a schematic flowchart of a Bluetooth connection control method in an audio playback system provided in Embodiment 2 of the present invention;

3a is a schematic structural diagram of a Bluetooth connection control device in an audio playback system provided by Embodiment 3 of the present invention;

Fig. 3b is a structural diagram of a playback device in an audio playback system provided by Embodiment 3 of the present invention.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

Embodiment one

Figure 1a is a schematic flowchart of a Bluetooth connection control method in an audio playback system provided by Embodiment 1 of the present invention, the method can be executed by a Bluetooth connection control device in the audio playback system, wherein the device can be implemented by software and/or hardware It can be implemented as a part of the playback device and be built inside the playback device. As shown in Figure 1a, the implementation process includes:

Step 11. When the current playback device in the audio playback system receives the Bluetooth connection request of the audio source device, determine whether the audio source device has the Bluetooth connection authorization of the current playback device according to the preset Bluetooth connection authorization information.

As shown in Figure 1b and Figure 1c, the audio playback system includes multiple playback devices, and the playback devices communicate through wireless private networks such as mesh (MESH) or point-to-point (Ad-hoc), wherein the main player in the audio playback system The device can establish a wired connection with the router (refer to FIG. 1b ), and the main playback device can also establish a wireless connection with the router (refer to FIG. 1c ). Each playback device in the audio playback system is integrated with a Bluetooth module. The audio source device with Bluetooth function can be connected with the playback device via Bluetooth, and transmit the audio data of the audio source device to the playback device. After the playback device receives the audio data from the audio source device, it can not only play the received audio data itself, but also send the The audio data is transmitted to other playback devices in the audio playback system through the private network for playback.

Wherein, the current playback device refers to any playback device in the audio playback system, and other playback devices refer to playback devices in the audio playback system other than the playback device. Specifically, each playback device in the audio playback system stores the Bluetooth connection permission information associated with the system, or the main playback device stores the Bluetooth connection permission information associated with the system, where the Bluetooth connection permission information is recorded. The Bluetooth access rights of the playback device, such as the information of the audio source device that the playback device is allowed to establish a Bluetooth connection with, or the information of the audio source device that the playback device is not allowed to establish a Bluetooth connection with, or the playback device allows the establishment of a Bluetooth connection with any audio source device, etc.

Step 12. According to the determination result, control the current playback device or other playback devices in the audio playback system to respond to the Bluetooth connection request.

Specifically, if the audio source device has the Bluetooth connection authority of the current playback device, control the current playback device to establish a Bluetooth connection with the audio source device; otherwise, control other playback devices that have the Bluetooth connection permission of the audio source device to respond to the Bluetooth connection request.

In the technical solution provided by the embodiment of the present invention, when the current playback device receives the Bluetooth connection request of the audio source device, it is determined whether the audio source device has the Bluetooth connection permission of the current playback device according to the Bluetooth connection authority information, and if so, the current playback device is controlled to respond. The Bluetooth connection request of the audio source device; otherwise, control other playback devices to respond to the Bluetooth connection request of the audio source device. The playback device is connected to the audio playback system, which improves the satisfaction of the user experience.

Exemplarily, the bluetooth connection permission information can be configured in the following manner: according to the Bluetooth connection history behavior between the sound source device and the audio playback system, determine and store the bluetooth connection permission of the sound source device to each playback device in the audio playback system information.

Wherein, the Bluetooth connection historical behavior refers to the historical behavior of the audio source device connecting to the audio playback system through Bluetooth. Specifically, after any audio source device establishes a Bluetooth connection with any playback device in the audio source playback system, the playback device or the main playback device may determine and store that the audio source device has the Bluetooth connection authority of the playback device.

Exemplarily, the bluetooth connection authority information can also be configured in the following manner: acquire and store the bluetooth connection authority information of the sound source device to each playback device in the audio playback system from the control terminal, and the bluetooth connection authority information is determined by the control terminal Generated based on user actions.

Specifically, after any audio source device establishes a Bluetooth connection with any playback device in the audio source playback system, the playback device or the main playback device can also record the Bluetooth module information of the audio source device, such as the Bluetooth name and MAC ( MediaAccessControl, Media Access Control) address, the user can also manually input the Bluetooth module information of the audio source device on the control terminal connected to the audio playback system. After the playback device or the main playback device obtains the Bluetooth module information of the audio source device, the user can set the Bluetooth access permission of each playback device through the control terminal, and the control terminal generates the Bluetooth connection permission information of the audio source device according to the user setting operation.

Embodiment two

This embodiment provides a new Bluetooth connection control method in an audio playback system on the basis of the first embodiment above. Fig. 2 is a schematic flowchart of a Bluetooth connection control method in an audio playback system provided in Embodiment 2 of the present invention, the method can be executed by a Bluetooth connection control device in the audio playback system, wherein the device can be implemented by software and/or hardware Realized, it can be built into the current playback device as a part of the current playback device. As shown in Figure 2, the implementation process includes:

Step 21. When the current playback device in the audio playback system receives the Bluetooth connection request of the audio source device, determine whether the audio source device has the Bluetooth connection authorization of the current playback device according to the preset Bluetooth connection authorization information.

In this embodiment, the current playback device refers to any playback device in the audio playback system. If the current playback device has Bluetooth connection permission information preset, that is, each playback device in the audio playback system has Bluetooth connection permission information preset, then the current playback device determines whether the audio source device has the current playback permission information based on its own internal Bluetooth connection permission information. The Bluetooth connection permission of the device. If the audio source device has the Bluetooth connection authority of the current playback device, the current playback device establishes a Bluetooth connection with the audio source device according to the Bluetooth module information of the audio source device included in the Bluetooth connection request.

It should be noted that if only the main playback device has Bluetooth connection permission information preset in the audio playback system, but the current playback device does not have Bluetooth connection permission information preset, the current playback device controls the main playback device through the private network of the audio playback system. The playback device determines whether the audio source device has the Bluetooth connection permission of the current playback device. If the current playback sends the Bluetooth module information of the audio source device to the main playback device, the main playback device is based on the preset Bluetooth connection permission information and the Bluetooth module information of the audio source device. Determine whether the audio source device has the Bluetooth connection permission of the current playback device, and the main playback device returns the confirmation result to the current playback device.

Step 22: If the audio source device does not have the Bluetooth connection authority of the current playback device, then according to the Bluetooth connection authority information, determine other playback devices that have the Bluetooth connection authority of the audio source device as target playback devices.

Specifically, if the audio source device does not have the Bluetooth connection permission of the current playback device, the current playback device searches for other playback devices that have the Bluetooth connection permission of the audio source device according to the Bluetooth connection permission information, and determines the found other playback devices as the target playback device. equipment.

Exemplarily, according to the bluetooth connection permission information, determining other playback devices with bluetooth connection permission of the audio source device as the target playback device may include:

A. Determine other playback devices that the audio source device has Bluetooth connection authority as candidate playback devices.

If the audio source device has the Bluetooth connection authority of at least two other playback devices, the current playback device determines at least two other playback devices as candidate playback devices.

B. Select a target playback device from the candidate playback devices according to the workload information of the candidate playback devices, or the Bluetooth signal strength of the Bluetooth module in the audio source device detected by the candidate playback devices.

In order to further improve the communication quality between the target playback device and the audio source device, for example, the candidate playback device with the smallest workload information is determined as the candidate playback device; or, the Bluetooth signal strength of the Bluetooth module in the detected audio source device is the highest The strong candidate playback device is determined as the target playback device. After the current playback device determines the candidate playback device, obtain the workload information of the candidate playback device or the Bluetooth signal strength of the Bluetooth module in the audio source device detected by the candidate playback device, and determine the candidate playback device with the smallest workload information as the candidate playback device; or , the candidate playback device with the strongest Bluetooth signal strength of the Bluetooth module among the detected audio source devices.

Step 23: Send the determined Bluetooth module information of the target playback device to the audio source device, so that the audio source device establishes a Bluetooth connection with the target playback device according to the received Bluetooth module information.

Exemplarily, sending the Bluetooth module information of the determined target playback device to the sound source device may include: sending the determined Bluetooth module information of the target playback device to the sound source device through a wireless router, wherein the sound source device and The main playback devices of the audio playback system are all connected to the wireless router; or, control the establishment of a temporary Bluetooth connection between the audio source device and the current playback device, and the target playback device will be determined through the temporary Bluetooth connection The bluetooth module information is sent to the audio source device.

Specifically, if the audio source device has been connected to the audio playback system through WIFI (Wireless Fidelity, wireless fidelity network), the current playback device sends the Bluetooth module information of the target playback device to the audio source device through WIFI, that is, the current playback device passes the main playback device Send the bluetooth module information of the target playback device to the audio source device with the wireless router. If the audio source device is not connected to the audio playback system through WIFI, the current playback device establishes a temporary Bluetooth connection with the audio source device, sends the Bluetooth module information of the target playback device to the audio source device through the temporary Bluetooth connection, and then disconnects the temporary Bluetooth connection.

third embodiment

Fig. 3a is a schematic structural diagram of a Bluetooth connection control device in an audio playback system provided by Embodiment 3 of the present invention, and the device can be configured in a playback device. As shown in Figure 3a, the specific structure of the Bluetooth connection control device in the audio playback system may include:

Bluetooth authority determination module 31, for when the current playback device receives the Bluetooth connection request of the audio source device in the audio playback system, determine whether the audio source device has the Bluetooth connection of the current playback device according to the preset Bluetooth connection authority information authority;

The Bluetooth connection module 32 is configured to control the current playback device or other playback devices in the audio playback system to respond to the Bluetooth connection request according to the determination result.

Further, the device may also include a bluetooth permission configuration module for:

According to the Bluetooth connection history behavior between the audio source device and the audio playback system, determine and store the Bluetooth connection permission information of the audio source device to each playback device in the audio playback system; or,

Obtain and store the Bluetooth connection authority information of the audio source device to each playback device in the audio playback system from the control terminal, and the Bluetooth connection permission information is generated by the control terminal according to user operations.

Further, the bluetooth connection module 32 may include:

A target device determination unit, configured to determine, according to the Bluetooth connection permission information, other playback devices that the sound source device has Bluetooth connection permission as the target playback device if the sound source device does not have the Bluetooth connection permission of the current playback device equipment;

The information sending unit is used to send the Bluetooth module information of the determined target playback device to the sound source device, so that the sound source device can establish a Bluetooth connection with the target playback device according to the received Bluetooth module information.

Further, the target device determining unit may include:

A candidate device determining subunit, configured to determine other playback devices that the audio source device has Bluetooth connection permission as candidate playback devices if the sound source device does not have the Bluetooth connection permission of the current playback device;

The target device selection subunit is configured to select a target playback device from the candidate playback devices according to the workload information of the candidate playback devices, or the Bluetooth signal strength of the Bluetooth module in the sound source device detected by the candidate playback devices.

Further, the candidate device determination subunit can be specifically used for:

determining the candidate playback device with the smallest workload information as the candidate playback device; or,

The candidate playback device with the strongest Bluetooth signal strength of the Bluetooth module among the detected audio source devices is determined as the target playback device.

Further, the information sending unit can specifically be used for:

Send the Bluetooth module information of the determined target playback device to the audio source device through a wireless router, wherein both the audio source device and the main playback device of the audio playback system are connected to the wireless router; or,

Controlling the establishment of a temporary bluetooth connection between the sound source device and the current playing device, and sending the determined bluetooth module information of the target playing device to the sound source device through the temporary bluetooth connection.

The Bluetooth connection control device in the audio playback system provided by this embodiment belongs to the same inventive concept as the Bluetooth connection control method provided by any embodiment of the present invention, and can execute the Bluetooth connection control method provided by any embodiment of the present invention. Corresponding functional modules and beneficial effects of the bluetooth connection control method. For technical details not described in detail in this embodiment, refer to the Bluetooth connection control method provided by any embodiment of the present invention.

In addition, an embodiment of the present invention also provides a playback device, including the Bluetooth connection control device in the audio playback system provided by any embodiment of the present invention.

Fig. 3b is a structural diagram of a playback device in an audio playback system provided by Embodiment 3 of the present invention. As shown in Figure 3b, the playback device mainly includes: a processor, a Bluetooth module, a network interface, an audio amplification module, a speaker and a memory;

The processor is the core of the playback device, and is used to execute the control program, communicate with the surrounding functional modules, and coordinate and control the work of each functional module.

The bluetooth module is used to realize bluetooth communication, so that the playback device can establish a connection with a bluetooth-enabled device (such as a smart phone) through bluetooth technology to obtain audio data or control data. The Bluetooth module transmits the obtained audio data and control data to the processor, and also sends the audio data and control data transmitted by the processor to other Bluetooth devices.

The network interface can be a wired network interface, or a wireless network interface conforming to the 802.11 standard, and the processor can be connected to the Internet through the network interface to obtain network streaming audio and video data. Through a network interface, especially in the form of a wireless network, multiple playback devices can form a wireless audio and video system to achieve synchronous playback of audio and video. Usually, each control terminal is also connected to the audio and video system through a wireless network (such as WIFI), and operates and controls the audio and video system and the playback equipment in the system.

The audio amplification module is used to amplify the power of the analog audio signal sent by the processor to drive the speaker to produce sound.

The loudspeaker is a sound restoration component, and its quantity can be one or more.

The storage is used to store programs executed by the processor, and some configuration data of the audio and video system, such as network connection data, volume information, group information, and a list of played songs.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (13)

1. A Bluetooth connection control method in an audio playing system is characterized by comprising the following steps:

when a current playing device in an audio playing system receives a Bluetooth connection request of a sound source device, determining whether the sound source device has Bluetooth connection authority of the current playing device or not according to preset Bluetooth connection authority information;

and controlling the current playing equipment or other playing equipment in the audio playing system to respond to the Bluetooth connection request according to the determination result.

2. The method of claim 1, wherein the bluetooth connection permission information is configured by:

determining and storing Bluetooth connection authority information of the sound source equipment to each playing equipment in the audio playing system according to Bluetooth connection historical behaviors between the sound source equipment and the audio playing system; or,

and acquiring and storing Bluetooth connection authority information of the sound source equipment to each playing equipment in the audio playing system from the control terminal, wherein the Bluetooth connection authority information is generated by the control terminal according to user operation.

3. The method of claim 1, wherein controlling the current playback device or other playback devices in the audio playback system to respond to the bluetooth connection request according to the determination result comprises:

if the sound source equipment does not have the Bluetooth connection authority of the current playing equipment, determining other playing equipment with the Bluetooth connection authority of the sound source equipment as target playing equipment according to the Bluetooth connection authority information;

and sending the determined Bluetooth module information of the target playing device to the sound source device, so that the sound source device establishes Bluetooth connection with the target playing device according to the received Bluetooth module information.

4. The method of claim 3, wherein determining other playback devices with bluetooth connection permission as target playback devices according to the bluetooth connection permission information comprises:

determining other playing devices of the sound source device with Bluetooth connection authority as candidate playing devices;

and selecting a target playing device from the candidate playing devices according to the workload information of the candidate playing devices or the Bluetooth signal intensity of the Bluetooth module in the sound source device detected by the candidate playing devices.

5. The method as claimed in claim 4, wherein selecting the target playback device from the candidate playback devices according to the working status information of the candidate playback devices or the bluetooth signal strength of the bluetooth module in the audio source device detected by the candidate playback devices comprises:

determining the candidate playing device with the minimum workload information as a candidate playing device; or,

and determining the candidate playing device with the strongest Bluetooth signal intensity of the Bluetooth module in the detected sound source device as the target playing device.

6. The method of claim 3, wherein sending the determined bluetooth module information of the target playback device to the audio source device comprises:

sending the determined Bluetooth module information of the target playing device to the sound source device through a wireless router, wherein the sound source device and a main playing device of the audio playing system are both accessed to the wireless router; or,

and controlling to establish temporary Bluetooth connection between the sound source equipment and the current playing equipment, and sending the determined Bluetooth module information of the target playing equipment to the sound source equipment through the temporary Bluetooth connection.

7. A bluetooth connection control apparatus in an audio playback system, comprising:

the Bluetooth permission determining module is used for determining whether the sound source equipment has Bluetooth connection permission of the current playing equipment or not according to preset Bluetooth connection permission information when the current playing equipment in the audio playing system receives a Bluetooth connection request of the sound source equipment;

and the Bluetooth connection module is used for controlling the current playing equipment or other playing equipment in the audio playing system to respond to the Bluetooth connection request according to the determination result.

8. The apparatus of claim 7, further comprising a bluetooth permission configuration module configured to:

determining and storing Bluetooth connection authority information of the sound source equipment to each playing equipment in the audio playing system according to Bluetooth connection historical behaviors between the sound source equipment and the audio playing system; or,

and acquiring and storing Bluetooth connection authority information of the sound source equipment to each playing equipment in the audio playing system from the control terminal, wherein the Bluetooth connection authority information is generated by the control terminal according to user operation.

9. The apparatus of claim 7, wherein the bluetooth connection module comprises:

the target equipment determining unit is used for determining other playing equipment with the Bluetooth connection authority of the sound source equipment as target playing equipment according to the Bluetooth connection authority information if the sound source equipment does not have the Bluetooth connection authority of the current playing equipment;

and the information sending unit is used for sending the determined Bluetooth module information of the target playing equipment to the sound source equipment, so that the sound source equipment establishes Bluetooth connection with the target playing equipment according to the received Bluetooth module information.

10. The apparatus of claim 9, wherein the target device determining unit comprises:

a candidate device determining subunit, configured to determine, if the sound source device does not have the bluetooth connection permission of the current playing device, another playing device having the bluetooth connection permission of the sound source device as a candidate playing device;

and the target equipment selecting subunit is used for selecting the target playing equipment from the candidate playing equipment according to the workload information of the candidate playing equipment or the Bluetooth signal intensity of the Bluetooth module in the sound source equipment detected by the candidate playing equipment.

11. The apparatus according to claim 10, wherein the candidate device determination subunit is specifically configured to:

determining the candidate playing device with the minimum workload information as a candidate playing device; or,

and determining the candidate playing device with the strongest Bluetooth signal intensity of the Bluetooth module in the detected sound source device as the target playing device.

12. The apparatus according to claim 9, wherein the information sending unit is specifically configured to:

sending the determined Bluetooth module information of the target playing device to the sound source device through a wireless router, wherein the sound source device and a main playing device of the audio playing system are both accessed to the wireless router; or,

and controlling to establish temporary Bluetooth connection between the sound source equipment and the current playing equipment, and sending the determined Bluetooth module information of the target playing equipment to the sound source equipment through the temporary Bluetooth connection.

13. A playback apparatus comprising the bluetooth connection control device in the audio playback system according to any one of claims 7 to 12.