CN111049709B - Bluetooth-based interconnected loudspeaker box control method, equipment and storage medium - Google Patents

Bluetooth-based interconnected loudspeaker box control method, equipment and storage medium Download PDF

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Publication number
CN111049709B
CN111049709B CN201911133484.6A CN201911133484A CN111049709B CN 111049709 B CN111049709 B CN 111049709B CN 201911133484 A CN201911133484 A CN 201911133484A CN 111049709 B CN111049709 B CN 111049709B
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sound box
control
bluetooth
area network
local area
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CN111049709A (en
Inventor
沈汉标
王妙玉
童威云
吴宁泉
郑泽丰
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Guangdong Hotata Smart Home Co Ltd
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Guangdong Hotata Smart Home Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Abstract

The invention discloses a Bluetooth-based interconnected sound box control method, equipment and a storage medium, wherein the control method is realized by controlling a plurality of sound boxes in the same local area network, and comprises the following steps: the main sound box in the local area network is connected with the mobile terminal in a Bluetooth communication mode; the main sound box is any one sound box in the local area network; the main sound box acquires the Bluetooth control authority granted by the mobile terminal and shares the authority to other sound box nodes except the main sound box in the local area network; the main sound box receives a sharing control signal output by the mobile terminal, and shares the sharing control signal to all sound boxes or a designated sound box in the local area network for audio playing and audio control; and any one sound box except the main sound box in the main sound box or the local area network receives the voice signal, and the voice signal is transmitted to the mobile terminal through the main sound box to carry out call feedback or voice control, so that the use convenience of a user is improved.

Description

Bluetooth-based interconnected loudspeaker box control method, equipment and storage medium
Technical Field
The invention relates to the field of audio systems and communication, in particular to a Bluetooth-based interconnected loudspeaker box control method, equipment and a storage medium.
Background
At present, with the development of integrated circuits, wireless communication and smart home technologies, more and more smart terminals have bluetooth communication and bluetooth audio playing functions. In the home, audio playing is no longer limited to a single area, and full-house multi-room audio playing becomes the mainstream. Many users expect that all the stereo sets in a home can be combined to play music synchronously.
However, due to the characteristics of bluetooth connection distance and single connection, after a mobile phone bluetooth is connected with one loudspeaker box, communication and music control cannot be performed on other loudspeaker boxes in a home, so that the existing multi-room loudspeaker box system can only perform audio synchronous playing, but cannot share the related authority of communication and music playing control, and the use experience of a user is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide an interconnected sound box control method based on bluetooth, wherein a mobile terminal is connected with any sound box in the interconnection, and the sharing mobile phone grants the communication and audio control authority of the sound box, so that the use convenience of a user is improved.
The second purpose of the invention is to provide a terminal device.
It is a further object of the present invention to provide a storage medium.
One of the purposes of the invention is realized by adopting the following technical scheme:
a control method of interconnected sound boxes based on Bluetooth is realized by controlling a plurality of sound boxes in the same local area network; the control method comprises the following steps:
the main sound box in the local area network is connected with the mobile terminal in a Bluetooth communication mode; the main sound box is any one sound box in the local area network;
the main sound box acquires the Bluetooth control authority granted by the mobile terminal and shares the authority to other sound box nodes except the main sound box in the local area network;
the main sound box receives a sharing control signal output by the mobile terminal, and shares the sharing control signal to all sound boxes or a designated sound box in the local area network for audio playing and audio control;
and any one sound box except the main sound box in the main sound box or the local area network receives the voice signal, and transmits the voice signal to the mobile terminal through the main sound box to carry out call feedback or voice control.
Further, the bluetooth control authority includes an audio playing control authority and a call control authority.
Further, the sharing control signal includes a bluetooth audio signal for playing music, a voice signal output by the mobile terminal when answering a call, and a control signal for controlling audio playing.
Further, the method for sharing the shared control signal to all the speakers in the local area network for playing includes:
after the main sound box receives the sharing control signal output by the mobile terminal, the main sound box plays the sharing control signal, simultaneously cuts the sharing control signal into audio stream segments, generates a corresponding play queue, and sends the play queue to other sound boxes outside the main sound box through a transmission protocol for playing.
Further, before all the sound boxes in the local area network are played, the delay time between the sound boxes is calculated, and the playing time of the sound boxes is delayed.
Further, the method for sharing the shared control signal to a designated sound box in the local area network for playing comprises the following steps:
the appointed sound box is connected with the main sound box through a point-to-point protocol, and audio transmission with the mobile terminal is achieved; and controlling other sound boxes outside the appointed sound box to be in a mute state.
Further, the voice signal comprises a specific voice control instruction and a call signal when receiving a call.
Furthermore, the sound boxes in the local area network are interconnected and then encrypted, and online state confirmation is performed at set time intervals through heartbeat connection.
The second purpose of the invention is realized by adopting the following technical scheme:
a terminal device comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the computer program to realize the Bluetooth-based interconnected loudspeaker box control method.
The third purpose of the invention is realized by adopting the following technical scheme:
a storage medium having stored thereon a computer program which, when executed, implements the above-described bluetooth-based interconnected speaker control method.
Compared with the prior art, the invention has the beneficial effects that:
(1) the multiple sound boxes are connected into the same local area network, so that the Bluetooth control authorities of the multiple sound boxes can be shared; then, the mobile phone Bluetooth is accessed into any one sound box in the local area network, so that the shared control signal output by the mobile terminal can be synchronously played and executed in a plurality of sound boxes;
(2) the user can send out voice signals to any sound box in the local area network to realize the voice control or conversation function, so that the use convenience degree of the user is improved.
Drawings
FIG. 1 is a schematic diagram of a connection between a mobile terminal and a speaker according to the present invention;
fig. 2 is a schematic flow chart of the control method of the interconnected loudspeaker box based on the bluetooth in the invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The method can simultaneously share and control a plurality of sound boxes, so that the sound boxes can share functional authorities granted to the sound box for conversation, audio playing, voice control and the like by a mobile terminal, and the convenience of users is greatly improved.
As shown in fig. 1, a plurality of sound boxes are connected to the same lan, and each sound box has a speaker function and a microphone function, where the speaker function is used to amplify audio and the microphone function is used to receive voice commands or implement communication functions. The loudspeaker boxes can share the Bluetooth control authority in the local area network, the step that the user sets the authority of each loudspeaker box is saved, and meanwhile, each loudspeaker box can be connected with the mobile terminal through Bluetooth.
If a new sound box device is to be accessed into the original local area network, the newly added sound box can be accessed into the local area network through a wireless WIFI or wired network interface and the like, and a broadcast packet with a specific mark is sent to a multicast address port through a multicast mode, wherein the broadcast packet comprises device information such as a device ID and a shared Bluetooth permission list; when the original loudspeaker box in the local area network monitors that the broadcast packet finding request is matched with the service provided by the loudspeaker box, the original loudspeaker box in the local area network sends HTTP UDP response in a unicast mode, and the newly added loudspeaker box records nodes of other loudspeaker boxes in the local area network through the UDP information of the response, so that the interconnection of the loudspeaker boxes is realized.
The newly added sound boxes generate a secret key after being interconnected and authenticated through a broadcast discovery mechanism, an encryption connection is established in a client-server (C/S) mode, and connection confirmation is carried out every 30 seconds through heartbeat connection so as to ensure that the sound boxes are in an online state; when transmitting the instruction, carrying out real-time transmission by using a json format adopted by C/S transmission data; when audio is transmitted, it is transmitted in the form of a streaming server.
The heartbeat detection method is also applied to all sound boxes in the local area network, when heartbeat connection of a certain sound box cannot respond, the connection fails for three times, node information of the sound box is marked as off-line, and the off-line sound box cannot realize information sharing.
As shown in fig. 2, the interconnected speakers in the lan perform sharing control through the following steps:
step S1: the main sound box in the local area network is connected with the mobile terminal in a Bluetooth communication mode; the main sound box is any one sound box in the local area network.
A user accesses any one sound box in a local area network through a mobile terminal, wherein the sound box connected with the mobile terminal is a main sound box, and the sound boxes except the main sound box in the local area network are slave sound boxes; the mobile terminal generally adopts a mobile phone or a tablet computer and other devices with a bluetooth transmission function, a conversation function and an audio playing function.
Because the bluetooth communication function of the mobile terminal also has the bluetooth control authority, when the mobile terminal is accessed to the lan, the user needs to open the control authority corresponding to the function to be implemented, for example, if the user utilizes the speaker to share audio, the user needs to open the audio playing control authority in the mobile terminal, and if the user utilizes the speaker device to implement the call function, the user needs to open the call control authority in the mobile terminal.
Step S2: and the main sound box acquires the Bluetooth control authority granted by the mobile terminal and shares the authority to other sound box nodes except the main sound box in the local area network.
After the main sound box is connected with the mobile terminal, the main sound box judges the Bluetooth control authority granted by the mobile terminal and generates sharing control list information, wherein the sharing control list information comprises audio playing control authority and conversation control authority information, and the sharing control list information is shared with other sound box nodes through C/S service established in the early stage.
Step S3: and the main sound box receives the sharing control signal output by the mobile terminal, and shares the sharing control signal to all sound boxes or appointed sound boxes in the local area network for audio playing and audio control.
The sharing control signal comprises a Bluetooth audio signal for playing music, a voice signal output by the mobile terminal when the mobile terminal answers a call and a control signal for controlling audio playing.
When a user carries out audio sharing operation in a mobile terminal, the mobile terminal transmits a Bluetooth audio signal to the master loudspeaker box through a Bluetooth network for playing, and meanwhile, the master loudspeaker box shares the Bluetooth audio signal to other slave loudspeakers in the local area network for shared playing; when a user uses the mobile terminal to answer a call, the voice signal output by the mobile terminal is shared to the sound box in the local area network in a similar way, and at the moment, the user can hear the voice of the other party speaking in the call in the shared sound box.
The Bluetooth audio signals and the Bluetooth communication signals are all cut into small audio stream fragments through the streaming media server, a play queue is generated, and the audio stream fragments are sent to other sound boxes through UDP, so that the sound boxes of the audio signals and the communication signals in the local area network are shared and played. In addition, before all the sound boxes in the local area network are played, the delay time among the sound boxes is calculated, the playing time of the sound boxes is delayed, and the problem that the sound boxes are not synchronous in playing can be solved.
Furthermore, any sound box in the local area network can establish an audio transmission channel with the main sound box through a point-to-point TCP protocol; that is, the user can select all or part of the sound boxes to share according to the sharing requirement in the mobile terminal, and can also select the number of the shared sound boxes according to the sharing requirement, thereby realizing the shared playing of all the sound boxes or the appointed sound boxes in the local area network.
In addition, the control signal comprises an audio control instruction of a previous audio control instruction, a next audio control instruction, a playing stop instruction, a playing start instruction and the like, when a user performs audio switching control in the mobile terminal, the mobile terminal generates a corresponding control signal and transmits the control signal to the master loudspeaker box through Bluetooth for audio switching, at the moment, the master loudspeaker box shares the replaced audio signal to other slave loudspeaker boxes in the local area network for shared playing, and the audio control functions of performing the previous audio control function, the next audio control function, the playing stop instruction, the playing start instruction and the like on the audio shared and played by the loudspeaker boxes are realized.
Step S4: and any one sound box except the main sound box in the main sound box or the local area network receives the voice signal, and transmits the voice signal to the mobile terminal through the main sound box to carry out call feedback or voice control.
The voice signal comprises a specific voice control instruction and a call signal during call answering, wherein the voice control instruction comprises preset voice control instructions such as 'call answering', 'previous' and 'next', 'stop playing', 'start playing', 'increase volume', 'decrease volume', and the like; the call signal is the call content output by the user by using the microphone function of the sound box when the user answers the call.
When any sound box in the local area network receives the voice control words spoken by the user by using the microphone function of the sound box, generating a corresponding voice control instruction, transmitting the corresponding voice control instruction to a main sound box, and transmitting the voice control instruction to the mobile terminal by the main sound box to execute corresponding operation; or when the call is answered, any loudspeaker in the local area network receives the call content spoken by the user, the call content can be transmitted to the main loudspeaker and fed back to the mobile terminal by the main loudspeaker for feedback, and the call function is completed.
If the mobile terminal receives an incoming call when the current user is using the sound boxes to share music audio, the sound boxes cut off the music audio transmitted by the mobile terminal and inform the user whether to answer the incoming call in a broadcasting voice notification mode, the user can send a voice control command of 'answering the call' to any sound box to realize the function of answering the incoming call, at the moment, the voice of the other party can be shared to all the sound boxes in the local area network to share and play, and a certain appointed sound box can also be appointed to play; if the appointed sound box is determined to play, other sound boxes outside the appointed sound box are changed into a mute state; and when in communication, the voice of the user can be received by any sound box and fed back to the mobile terminal, so that the function of bidirectional communication is realized.
Example two
A terminal device comprising a memory, a processor, and a program stored in the memory, the program configured to be executed by the processor, the processor implementing the steps of the bluetooth-based interconnected speaker control method of the first embodiment when executing the program.
The apparatus in this embodiment and the method in the foregoing embodiment are based on two aspects of the same inventive concept, and the method implementation process has been described in detail in the foregoing, so that those skilled in the art can clearly understand the structure and implementation process of the system in this embodiment according to the foregoing description, and for the sake of brevity of the description, details are not repeated here.
In addition, the invention also provides a storage medium, wherein the storage medium stores a computer program, and the computer program realizes the steps of the interconnected sound box control method based on the Bluetooth when being executed by a processor. The invention is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A control method of interconnected sound boxes based on Bluetooth is characterized in that the control method is realized by controlling a plurality of sound boxes in the same local area network; the control method comprises the following steps:
the main sound box in the local area network is connected with the mobile terminal in a Bluetooth communication mode; the main sound box is any one sound box in the local area network;
the main sound box acquires the Bluetooth control authority granted by the mobile terminal and shares the authority to other sound box nodes except the main sound box in the local area network;
the main sound box receives a sharing control signal output by the mobile terminal, and shares the sharing control signal to all sound boxes or a designated sound box in the local area network for audio playing and audio control;
and any one sound box except the main sound box in the main sound box or the local area network receives the voice signal, and transmits the voice signal to the mobile terminal through the main sound box to carry out call feedback or voice control.
2. The Bluetooth-based interconnected speaker control method according to claim 1, wherein the Bluetooth control authority includes an audio playing control authority and a call control authority.
3. The Bluetooth-based interconnected speaker control method according to claim 1, wherein the shared control signal comprises a Bluetooth audio signal for playing music, a voice signal output by the mobile terminal when answering a call, and a control signal for controlling audio playing.
4. The Bluetooth-based interconnected loudspeaker box control method according to claim 1, wherein the method for sharing the shared control signal to all loudspeaker boxes in the local area network for playing comprises the following steps:
after the main sound box receives the sharing control signal output by the mobile terminal, the main sound box plays the sharing control signal, simultaneously cuts the sharing control signal into audio stream segments, generates a corresponding play queue, and sends the play queue to other sound boxes outside the main sound box through a transmission protocol for playing.
5. The Bluetooth-based interconnected loudspeaker box control method according to claim 1, wherein before all loudspeaker boxes in the LAN are played, the delay time between loudspeaker boxes is calculated to delay the playing time of the loudspeaker boxes.
6. The Bluetooth-based interconnected loudspeaker box control method according to claim 1, wherein the method for sharing the shared control signal to a designated loudspeaker box in a local area network for playing comprises the following steps:
the appointed sound box is connected with the main sound box through a point-to-point protocol, and audio transmission with the mobile terminal is achieved; and controlling other sound boxes outside the appointed sound box to be in a mute state.
7. The Bluetooth-based interconnected speaker control method as claimed in claim 1, wherein the voice signal comprises a specific voice control command and a call signal when receiving a call.
8. The Bluetooth-based interconnected loudspeaker box control method according to claim 1, wherein loudspeakers in the LAN are interconnected and then encrypted, and the online status is confirmed at set time intervals through heartbeat connection.
9. A terminal device, comprising a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the processor implements the bluetooth-based interconnected speaker control method according to any one of claims 1 to 8 when executing the computer program.
10. A storage medium having a computer program stored thereon, wherein the computer program is executed to implement the bluetooth-based interconnected speaker control method according to any one of claims 1 to 8.
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