CN115459869B - Synchronous broadcasting method, broadcasting equipment and system based on FM (frequency modulation) transceiver module - Google Patents
Synchronous broadcasting method, broadcasting equipment and system based on FM (frequency modulation) transceiver module Download PDFInfo
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- CN115459869B CN115459869B CN202211322157.7A CN202211322157A CN115459869B CN 115459869 B CN115459869 B CN 115459869B CN 202211322157 A CN202211322157 A CN 202211322157A CN 115459869 B CN115459869 B CN 115459869B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/18—Arrangements for synchronising broadcast or distribution via plural systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a synchronous broadcasting method, broadcasting equipment and a system based on an FM receiving and transmitting module, wherein the method comprises the following steps: according to a first task instruction issued by a server, a first broadcasting device and a second broadcasting device acquire broadcasting tasks to be played from the server, then according to a second task instruction issued by the server, the first broadcasting device plays FM broadcasting through an FM transmitting module, the FM broadcasting comprises tasks I D of the broadcasting tasks, the first broadcasting device and the second broadcasting device receive the FM broadcasting through an FM receiving module, and inquire and play broadcasting tasks corresponding to the FM broadcasting, so that synchronous broadcasting is realized.
Description
Technical Field
The present invention relates to the field of synchronous broadcasting technologies, and in particular, to a synchronous broadcasting method, broadcasting device, and server based on an FM transceiver module.
Background
In the prior art, most of servers are in cloud, a terminal is connected with the server through 4G or 5G network registration, a configuration task sent to the terminal is sent to the terminal through the network, a preset time is reached, a command is sent to terminal equipment or the terminal equipment by the server to judge, and playing is carried out according to the execution time. However, in the prior art, if delay is caused by network jitter when the server sends a command, some devices receive the command first, some devices receive the command later, or even do not receive the command, if the terminal detects the time by itself, the technical problem of inconsistent playing time caused by inaccurate checking time can occur.
Disclosure of Invention
The invention provides a synchronous broadcasting method, broadcasting equipment and a synchronous broadcasting system based on an FM receiving and transmitting module, which improve the accuracy of synchronous broadcasting.
In order to achieve the above object, in a first aspect, the present invention provides a synchronous broadcasting method based on an FM transceiver module, which specifically includes:
the method comprises the steps that first broadcasting equipment receives a first task instruction sent by a server, and a plurality of broadcasting tasks corresponding to the first task instruction are obtained from the server according to the first task instruction; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
according to the preset time for playing the broadcasting task, the first broadcasting equipment receives a second task instruction sent by the server; the second task instruction comprises a task ID of the broadcast task;
according to the second task instruction, the first broadcasting device sends FM broadcasting through the first FM transmitting module and receives the FM broadcasting according to the first FM receiving module; the FM broadcast includes a task ID for the broadcast task;
according to the sent FM broadcast, the first broadcasting device receives the FM broadcast through the first FM receiving module, inquires and plays a broadcasting task corresponding to the task ID.
The invention provides a synchronous broadcasting method based on an FM receiving and transmitting module, which comprises the steps that first, a first broadcasting device receives an instruction issued by a server, a broadcasting task needing to be played is obtained from the server, the problem that time inconsistency is possibly caused by downloading during playing is avoided, the synchronous playing precision is improved, next, the broadcasting task playing time is reached, the first broadcasting device receives a second task instruction issued by the server to start FM broadcasting playing, the on-time playing of the broadcasting task is realized, then, the broadcasting device provided with an FM receiving module simultaneously receives the FM broadcasting, the first broadcasting device is guaranteed to fully receive the FM broadcasting based on the anti-interference performance of the FM broadcasting, the playing is further carried out, the technical defect that part of broadcasting cannot be received and the playing is not carried out is avoided, and the broadcasting task playing synchronism is improved.
As a preferable example, before the broadcast task corresponding to the first task instruction is obtained from the server according to the first task instruction, the method specifically includes:
creating a task table in the server so as to store a plurality of parameters of the plurality of broadcasting tasks into the task table, and storing the task table in a database of the server;
the several parameters of the task include: the ID of the task comprises the equipment numbers of the first broadcasting equipment and the second broadcasting equipment of the FM receiving module, the content of the broadcasting task corresponding to the ID of the task and the preset time for executing playing.
The invention saves each content of the playing task, including task ID, preset time and each device participating in playing, ensures the integrity of the task content before playing the task, saves the device numbers of the devices participating in playing into the task list, and ensures that all the devices participating in playing play simultaneously when playing the task.
As a preferred example, the obtaining, from the server according to the first task instruction, a broadcast task corresponding to the first task instruction specifically includes:
traversing a task table set in a server to enable the server to obtain equipment numbers of first broadcasting equipment and second broadcasting equipment in the task table and send IDs of tasks in the task table to the first broadcasting equipment and the second broadcasting equipment;
according to the ID of the task, the first broadcasting device and the second broadcasting device acquire a task table corresponding to the ID of the task by inquiring in a database of the server, and download and store information in the task table into the databases of the first broadcasting device and the second broadcasting device.
According to the method and the device for inquiring the task, all the devices in the task table are traversed, the task table is sent to the devices, so that the devices inquire the task according to the task table, inquiring time is shortened, meanwhile, the devices are ensured to inquire people according to the task table, uniformity of inquiring steps is ensured, and accuracy of synchronous playing is further improved.
As a preferred example, the first broadcasting device receives the second task instruction sent by the server, and specifically includes:
according to the playing time of the broadcasting task, the server sends an executed task instruction to the first broadcasting device by detecting that the task corresponding to the playing time needs to be executed, so that the first broadcasting device receives the second task instruction sent by the server;
the second task instruction includes an ID of the task.
The invention controls the equipment to play by detecting the preset time in the task list, ensures the timeliness of broadcasting by all the equipment, and further ensures that all the broadcasting is synchronously broadcasted according to the preset time.
As a preferable example, the method for transmitting FM broadcast by the first broadcasting device specifically includes:
according to the second task instruction, the first broadcasting device detects whether a pointer for establishing connection with the first FM transmitting module is empty or not;
if the task instruction is empty, the first broadcasting equipment ignores the task instruction;
if the task ID is not null, the first broadcasting device combines the pointer with the check code to enable the task ID in the second task instruction to be sent in the form of FM broadcasting.
The invention ensures that whether the mounted module is an FM transmitting module or not by detecting whether the pointer exists or not, and simultaneously combines the task ID of the task with the pointer and the check code to transmit in the form of FM broadcasting, thereby ensuring the safety of broadcasting transmission.
As a preferable example, the first broadcasting device queries and plays the broadcasting task corresponding to the task ID, specifically including:
according to the FM broadcast, the first broadcasting equipment analyzes the content of the FM broadcast through the first FM receiving module so as to obtain characters corresponding to the FM broadcast;
analyzing and obtaining the ID of the task which is contained in the FM broadcast and needs to be played by sending the character to a sound system of the first broadcasting equipment;
according to the ID of the task, the first broadcasting device obtains the broadcasting task which is corresponding to the first broadcasting device and needs to be played by inquiring in a database of the first broadcasting device, and starts to play.
According to the invention, the task ID which needs to be played is obtained through receiving the frequency band of the FM broadcast, and further, the task content which needs to be played is inquired according to the task ID, so that the timeliness of task playing is ensured, meanwhile, according to the FM broadcast, the broadcasting equipment is ensured to simultaneously receive the frequency band of the FM broadcast, and the accuracy of synchronous broadcasting of the broadcast is further improved.
In a second aspect, the present invention provides a synchronous broadcasting method based on an FM transceiver module, which specifically includes:
the second broadcasting equipment receives a first task instruction sent by a server, and obtains a plurality of broadcasting tasks corresponding to the first task instruction from the server according to the first task instruction; the second broadcasting device is a broadcasting device comprising a second FM receiving module;
the second broadcasting device receives FM broadcasting sent by the first broadcasting device through the second FM receiving module; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
and according to the FM broadcasting, the second broadcasting equipment inquires and plays the broadcasting task corresponding to the task ID.
According to the synchronous broadcasting method based on the FM receiving and transmitting module, firstly, the second broadcasting equipment receives the instruction issued by the server, the broadcasting task needing to be played is obtained from the server, the problem that time inconsistency is possibly caused by downloading during playing is avoided, the synchronous playing accuracy is improved, next, the second broadcasting equipment receives the FM broadcasting of the first broadcasting equipment through the FM receiving module, based on the anti-interference performance of the FM broadcasting, the first broadcasting equipment is guaranteed to fully receive the FM broadcasting and play the FM broadcasting, the technical defect that part of broadcasting cannot be received and cannot be played is avoided, meanwhile, the first broadcasting and the second broadcasting equipment are all played based on the received FM broadcasting, and the broadcasting task playing synchronism is improved.
In a third aspect, the present invention provides a broadcasting device based on an FM transceiver module, including a first storage module, a first receiving module, a first FM transmitting module, a first FM receiving module, and a first playing module;
the first storage module is used for receiving a first task instruction sent by a server by first broadcasting equipment and obtaining a plurality of broadcasting tasks corresponding to the first task instruction from the server according to the first task instruction; the first broadcasting equipment comprises an FM receiving module and an FM transmitting module;
the first receiving module is used for executing the preset playing time according to the broadcasting task, and the first broadcasting equipment receives a second task instruction sent by the server; the second task instruction comprises a task ID of the broadcast task;
the first FM transmitting module is used for transmitting FM broadcasting by the first broadcasting equipment according to the second task instruction; the FM broadcast includes a task ID for the broadcast task;
the first FM receiving module is used for receiving the sent FM broadcast;
the first playing module is used for receiving the FM broadcast by the first broadcasting equipment through the FM receiving module according to the sent FM broadcast, inquiring and playing the broadcasting task corresponding to the task ID.
According to the broadcasting equipment based on the FM receiving and transmitting module, firstly, the first storage module is used for determining that the first broadcasting equipment receives the instruction issued by the server, the broadcasting task needing to be played is obtained from the server, the problem that time is inconsistent when the broadcasting task is downloaded again during playing is avoided, the accuracy of synchronous playing is improved, next, the broadcasting task playing time is reached, the first broadcasting equipment receives the second task instruction issued by the server through the first receiving module, the FM broadcasting playing is started through the first FM transmitting module, the on-time playing of the broadcasting task is realized, then the broadcasting equipment provided with the FM receiving module is ensured to simultaneously receive the FM broadcasting through the first playing module, the interference resistance based on the FM broadcasting is ensured, the first broadcasting equipment is ensured to fully receive the FM broadcasting, further play is realized, the technical defect that part of broadcasting cannot be received and playing is not carried out is avoided, and the playing synchronism of the broadcasting task is improved.
In a fourth aspect, the present invention provides a broadcasting device based on an FM transceiver module, including a second storage module, a second FM receiving module, and a second playing module;
the second storage module is used for receiving a first task instruction sent by a server by second broadcasting equipment and obtaining a plurality of broadcasting tasks corresponding to the first task instruction from the server according to the first task instruction; the second broadcasting device is a broadcasting device comprising a second FM receiving module;
the second FM receiving module is used for receiving FM broadcasting sent by the first broadcasting equipment by the second broadcasting equipment; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
and the second playing module is used for inquiring and playing the broadcasting task corresponding to the task ID according to the FM broadcasting.
The invention provides a synchronous broadcasting device based on an FM receiving and transmitting module, which firstly enables second broadcasting equipment to receive an instruction issued by a server through a second storage module, obtains a broadcasting task needing to be played from the server, avoids the problem of inconsistent time possibly caused by downloading during playing, improves the accuracy of synchronous playing, then enables the time of playing the broadcasting task to be reached, determines the FM broadcasting transmitted by the first broadcasting equipment through the second FM receiving module by the second broadcasting equipment, ensures that the first broadcasting equipment receives all the FM broadcasting based on the anti-interference performance of the FM broadcasting, plays the FM broadcasting through the second playing module, avoids the technical defect that part of broadcasting cannot be received but cannot be played, and simultaneously enables the first broadcasting and the second broadcasting equipment to play based on the received FM broadcasting, thereby improving the playing synchronism of the broadcasting task.
In a fifth aspect, the present invention provides a synchronous broadcast system based on an FM transceiver module, including a first broadcast device, a second broadcast device, and a server, where the first broadcast device is configured to perform the synchronous broadcast method of the first aspect; the second broadcasting device is configured to perform the synchronous broadcasting method of the second aspect; the server is used for sending a first task instruction and a second task instruction to the first broadcasting equipment and sending the first task instruction to the second broadcasting equipment.
Drawings
Fig. 1: the embodiment of the invention provides a flow diagram of a synchronous broadcasting method based on an FM transceiver module;
fig. 2: another flow diagram of a synchronous broadcasting method based on an FM transceiver module provided by the embodiment of the invention;
fig. 3: the embodiment of the invention provides a structural schematic diagram of broadcasting equipment based on an FM receiving and transmitting module;
fig. 4: another structure schematic diagram of broadcasting equipment based on an FM transceiver module provided by the embodiment of the invention;
fig. 5: the present invention provides a flow diagram of a synchronous broadcasting method based on an FM transceiver module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a synchronous broadcasting method, which is applicable to a first broadcasting device provided with a first FM receiving module and a first FM transmitting module, and referring to fig. 1, the synchronous broadcasting method is a flow diagram of a synchronous broadcasting method based on an FM receiving and transmitting module, and mainly includes steps 101 to 104, and specifically includes:
step 101: the first broadcasting equipment receives a first task instruction sent by a server, and obtains a plurality of broadcasting tasks corresponding to the first task instruction from the server according to the first task instruction.
In this embodiment, before executing the step, the method specifically includes creating a task table in the server, so that a plurality of parameters of the plurality of broadcast tasks are saved in the task table, and saving the task table in a database of the server; and storing each content of the playing task, including the task ID, the preset time and each device participating in playing, through the task table, so that the integrity of the task content before playing the task is ensured. The several parameters of the task include: the ID of the task comprises the equipment numbers of the first broadcasting equipment and the second broadcasting equipment of the FM receiving module, the content of the broadcasting task corresponding to the ID of the task and the preset time for executing playing.
In this embodiment, the steps specifically include: traversing the task table to enable the server to obtain the equipment number of a first broadcasting equipment in the task table and send the ID of the task in the task table to the first broadcasting equipment; according to the ID of the task, the first broadcasting device obtains a task table corresponding to the ID of the task by inquiring in a database of the server, and downloads and stores information in the task table into the first database of the first broadcasting device.
In this embodiment, by traversing all the devices in the task table, the task table is sent to the devices, so that the devices query tasks according to the task table, thereby reducing query time, ensuring that the devices realize the query of characters according to the task table, ensuring the uniformity of query steps, and further improving the accuracy of synchronous playing.
Step 102: and according to the preset time for playing the broadcasting task, the first broadcasting equipment receives a second task instruction sent by the server.
In this embodiment, the steps specifically include: according to the playing time of the broadcasting task, the server sends an executed task instruction to the first broadcasting device by detecting that the task corresponding to the playing time needs to be executed, so that the first broadcasting device receives the second task instruction sent by the server; the task instruction includes an ID of the task. And the equipment is controlled to play by detecting the preset time in the task list, so that the timeliness of broadcasting of all the equipment is ensured, and further, all the broadcasting is ensured to be synchronously carried out according to the preset time.
Step 103: according to the second task instruction, the first broadcasting device sends FM broadcasting through the first FM transmitting module and receives the FM broadcasting according to the first FM receiving module.
In this embodiment, the second task instruction includes a task ID of the broadcast task; according to the second task instruction, the first broadcasting device detects whether a pointer for establishing connection with the first FM transmitting module is empty or not; if the task instruction is empty, the first broadcasting equipment ignores the task instruction; if the task ID is not null, the first broadcasting device combines the pointer with the check code to enable the task ID in the second task instruction to be sent in the form of FM broadcasting. And detecting whether the pointer exists or not so as to ensure that whether the mounted module is a transmitting module or not, and simultaneously combining the task ID of the task with the pointer and the check code to transmit the task through an FM broadcasting mode, thereby ensuring the safety of broadcasting transmission.
Step 104: according to the sent FM broadcast, the first broadcasting device receives the FM broadcast through a first FM receiving module, inquires and plays a broadcasting task corresponding to the task ID.
In this embodiment, the steps specifically include: according to the FM broadcast, the first broadcasting equipment analyzes the content of the FM broadcast through the first FM receiving module so as to obtain characters corresponding to the FM broadcast; analyzing and obtaining the ID of the task which is contained in the FM broadcast and needs to be played by sending the character to a sound system of the first broadcasting equipment; according to the ID of the task, the first broadcasting device obtains the broadcasting task which is corresponding to the first broadcasting device and needs to be played by inquiring in a database of the first broadcasting device, and starts to play. The task ID which needs to be played is obtained through receiving the frequency band of the FM broadcast, further task content which needs to be played is inquired according to the task ID, the punctuality of task playing is guaranteed, meanwhile, according to the FM broadcast, the broadcasting equipment is guaranteed to simultaneously receive the frequency band of the FM broadcast, and the accuracy of synchronous broadcasting of the broadcast is further improved.
The embodiment provides another synchronous broadcasting method, which is applicable to a second broadcasting device provided with a second FM receiving module, and referring to fig. 2, the method mainly includes steps 201 to 203, and specifically includes:
step 201: the second broadcasting equipment receives a first task instruction sent by a server, and obtains a plurality of broadcasting tasks corresponding to the first task instruction from the server according to the first task instruction.
In this embodiment, the steps specifically include: traversing the task table to enable the server to obtain the equipment number of the second broadcasting equipment in the task table and send the ID of the task in the task table to the second broadcasting equipment; according to the ID of the task, the second broadcasting device obtains a task table corresponding to the ID of the task by inquiring in a database of the server, downloads and stores information in the task table into a second database of the second broadcasting device, wherein the second broadcasting device is a broadcasting device comprising an FM receiving module. By creating a task table, each content of the playing task, including task ID, preset time and each device participating in playing, is stored, so that the integrity of the task content before playing the task is ensured, and meanwhile, the device numbers of the devices participating in playing are stored in the task table, so that all the devices participating in playing are ensured to play simultaneously when the task is played.
Step 202: the second broadcasting device receives FM broadcasting sent by the first broadcasting device through the second FM receiving module; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
in this embodiment, the steps specifically include: the second broadcasting device receives FM broadcasting sent by the first broadcasting device through the second FM receiving module, the FM broadcasting comprises a task ID of the broadcasting task, and the first broadcasting device is a broadcasting device comprising the first FM receiving module and the first FM transmitting module.
Step 203: and according to the FM broadcasting, the second broadcasting equipment inquires and plays the broadcasting task corresponding to the task ID.
In this embodiment, the steps specifically include: according to the FM broadcast, the second broadcasting equipment analyzes the content of the FM broadcast through the second FM receiving module, and further obtains characters corresponding to the FM broadcast; analyzing and obtaining the ID of the task which is contained in the FM broadcast and needs to be played by sending the character to a sound system of the second broadcasting equipment; according to the task ID, the second broadcasting device obtains the broadcasting task which is required to be played and corresponds to the second broadcasting device by inquiring in a database of the second broadcasting device, and starts to play, and the task ID which is required to be played is obtained by receiving the frequency band of the FM broadcasting, so that the task content which is required to be played is inquired according to the task ID, the timeliness of the task playing is guaranteed, meanwhile, according to the FM broadcasting, the broadcasting device is guaranteed to simultaneously receive the FM broadcasting frequency band, and the accuracy of the synchronous broadcasting of the broadcasting is further improved.
Referring to fig. 3, a schematic structural diagram of a broadcast device based on an FM transceiver module according to an embodiment of the present invention mainly includes a first storage module 301, a first receiving module 302, a first FM transmitting module 303, a first FM receiving module 304, and a first playing module 305.
The first storage module 301 is configured to receive a first task instruction sent by a server by using a first broadcast device. Obtaining a plurality of broadcast tasks corresponding to the first task instruction from the server according to the first task instruction; the first broadcasting equipment comprises an FM receiving module and an FM transmitting module;
the first receiving module 302 is configured to perform playing for a preset time according to the broadcast task, where the first broadcasting device receives a second task instruction sent by the server; the second task instruction comprises a task ID of the broadcast task;
the first FM transmission module 303 is configured to send an FM broadcast by the first broadcast device according to the second task instruction; the FM broadcast includes a task ID for the broadcast task;
the first FM receiving module 304 is configured to receive the transmitted FM broadcast;
the first playing module 305 is configured to query and play a broadcast task corresponding to the task ID according to the sent FM broadcast.
In this embodiment, the first storage module 301 includes a traversing unit and a downloading unit,
the traversing unit is used for traversing a task table set in a server to enable the server to obtain the equipment number of a first broadcasting equipment in the task table and send the ID of the task in the task table to the first broadcasting equipment.
The downloading unit is used for obtaining a task table corresponding to the task ID by inquiring the database of the server according to the task ID, and downloading and storing the information in the task table into the database of the first broadcasting device.
In this embodiment, the first playing module 305 includes a parsing unit and a playing unit,
the analyzing unit is used for analyzing the content of the FM broadcast through the first FM receiving module according to the FM broadcast, so as to obtain characters corresponding to the FM broadcast; and sending the character to a sound system of the first broadcasting equipment, and analyzing to obtain the ID of the task which is contained in the FM broadcast and needs to be played.
The playing unit is used for obtaining the broadcasting task which is required to be played and corresponds to the broadcasting task by inquiring the database of the first broadcasting device according to the ID of the task, and starting to play.
Referring to fig. 4, a schematic structural diagram of another broadcasting device based on an FM transceiver module according to an embodiment of the present invention mainly includes a second storage module 401, a second FM receiving module 402, and a second playing module 403;
the second storage module 401 is configured to receive a first task instruction sent by a server by using a second broadcast device, and obtain, from the server, a plurality of broadcast tasks corresponding to the first task instruction according to the first task instruction; the second broadcasting device is a broadcasting device comprising a second FM receiving module;
the second FM receiving module is used for receiving FM broadcasting sent by the first broadcasting equipment by the second broadcasting equipment; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a second FM transmitting module;
the second playing module 403 is configured to query and play, according to the FM broadcast, a broadcast task corresponding to the task ID by the second broadcasting device.
In this embodiment, the second saving module 401 includes a traversing unit and a downloading unit,
the traversing unit is used for traversing the task list set in the server to enable the server to obtain the equipment number of the second broadcasting equipment in the task list and send the ID of the task in the task list to the second broadcasting equipment.
The downloading unit is used for obtaining a task table corresponding to the task ID by inquiring the database of the server according to the task ID, and downloading and storing the information in the task table into the database of the second broadcasting device.
In this embodiment, the second playing module 403 includes a parsing unit and a playing unit,
the analysis unit is used for analyzing the content of the FM broadcast through the second FM receiving module according to the FM broadcast, so as to obtain characters corresponding to the FM broadcast; and analyzing and obtaining the ID of the task which is contained in the FM broadcast and needs to be played by sending the character to the sound system of the second broadcasting device.
The playing unit is used for obtaining the broadcasting task which is required to be played and corresponds to the broadcasting task by inquiring the database of the second broadcasting device according to the ID of the task, and playing the broadcasting task.
In this embodiment, there is further provided a synchronous broadcast system based on an FM transceiver module, including a first broadcast device, a second broadcast device, and a server, where the first broadcast device is configured to perform a synchronous broadcast method as described in fig. 1; the second broadcasting device is configured to perform a synchronous broadcasting method as described in fig. 2; the server is used for sending a first task instruction and a second task instruction to the first broadcasting equipment and sending the first task instruction to the second broadcasting equipment.
In this embodiment, according to the synchronous broadcasting method, the broadcasting device and the server, synchronous broadcasting is implemented, firstly, an instruction issued by the server is received through a first broadcasting device, a broadcasting task to be played is obtained from the server, the problem of inconsistent time possibly caused by downloading during playing is avoided, the precision of synchronous playing is improved, next, the time for playing a broadcasting task is reached, a second task instruction issued by the first broadcasting device receiving the server starts to play FM broadcasting, on-time playing of the broadcasting task is implemented, next, the broadcasting device provided with an FM receiving module simultaneously receives the FM broadcasting, based on the anti-interference performance of the FM broadcasting, the first broadcasting device and the second broadcasting device are guaranteed to fully receive the FM broadcasting, and further play is performed, the technical disadvantage that part of broadcasting is not received but is not played is avoided, and the playing synchronism of the broadcasting task is improved.
Example two
Referring to fig. 5, a flowchart of a synchronous broadcasting method based on an FM transceiver module according to another embodiment of the present invention mainly includes steps 501 to 505, specifically includes:
step 501: the server issues a first task instruction.
In this embodiment, the steps specifically include: the server issues task instructions to the broadcasting equipment, mainly by creating a task table on a server interface, wherein the task table comprises the id of the task, the number of the participating equipment (the same grouping network sound box with unified frequency band is defaulted here), other parameters such as the content and time of playing the task are executed, and after the task table is stored, the task table is stored in a database. Then the background of the server system analyzes the relevant data corresponding to the task list, finds the numbers of broadcasting devices participating in playing, traverses and informs all the included broadcasting devices that the notification message content contains task ids, enables the broadcasting devices to obtain the corresponding task list from the server, obtains other parameters such as playing task content and time of the corresponding ids from the task list, and downloads the needed files to the local of the broadcasting devices.
Step 502: and storing corresponding playing task data according to the first task instruction.
In this embodiment, the steps specifically include: according to the first task instruction, the broadcasting device acquires information related to the corresponding id task in the server, and then stores the information in a database of the broadcasting device, wherein the information comprises the task id, other parameters such as the content and time of the playing task, and the file name and path downloaded to the local. During the configuration task, all broadcasting devices can be normally networked to acquire data.
Step 503: the server issues a second task instruction.
In this embodiment, the steps specifically include: and when the preset time for executing the task is reached, the server checks that the task corresponding to a certain id of the task list needs to be executed, and sends a second task instruction for starting to execute the task to all the devices corresponding to the id task, wherein the second task instruction comprises the id of the task.
Step 504: and according to the second task instruction, the broadcasting equipment provided with the FM transmitting module transmits FM broadcasting.
In this embodiment, the steps specifically include: according to the second task instruction, the broadcasting equipment provided with the FM transmitting module transmits FM broadcasting, and particularly comprises the broadcasting equipment which receives the instruction for starting to execute the task, and firstly, the broadcasting equipment checks own equipment tree to judge whether the FM transmitting module mounted by the usb exists. If not, the second task instruction is ignored. If so, checking whether a usb connection pointer established with the FM transmitting module is empty, if so, skipping (if so, representing that the usb device is connected but not the FM transmitting module), if not, using the pointer, together with a section of check code and task id, and transmitting FM broadcasting through the FM transmitting module.
In this embodiment, the FM transmission module is specifically a module installed on a selected one of the main devices, where the FM transmission module and the terminal system are in communication through usb connection, and the terminal may send an initialization command to the transmission module through a control protocol, set a frequency band for sending FM, and after the initialization is successful, the system uses a global variable to save the pointer for the system to communicate with the transmission module. After the loudspeaker box equipment is started, once the usb is connected with the transmitting module, the system generates an event, updates the equipment tree, identifies the transmitting module, loads the transmitting module and initializes the transmitting module. When the terminal needs to send the message, the message is firstly sent to the transmitting end in a character form through a usb, then the inside of the terminal is analyzed into 2-system data according to a character coding table, wherein the high potential represents 1, the place represents 0, the high potential is converted into a waveform, and the waveform is transmitted through bottom hardware through a frequency modulation technology.
Step 505: and inquiring and playing the related broadcasting tasks according to the FM broadcasting.
In this embodiment, the steps specifically include: according to the sent FM broadcast, all broadcasting equipment receives the FM broadcast through an FM receiving module and plays the content of a corresponding task according to the FM broadcast, in the execution process, all FM receiving modules in the same frequency band receive the FM broadcast and then analyze the FM broadcast into characters, the information is sent to a sound box system of the broadcasting equipment through a ttl serial port, the system analyzes a task id to be played according to the received information, and then searches a database of the corresponding task through the id, and related downloaded files and paths, and starts to execute the audio playing task.
In this embodiment, the FM receiving module specifically includes: all the broadcasting equipment is embedded with one module, the receiving module and the system are communicated through a ttl serial port, the broadcasting equipment can send an initialization command to the receiving module through a control protocol, the frequency band for receiving FM broadcasting is set, and the receiving of junk information is avoided. After the sound box equipment is started, the receiving module is in a working state after being initialized, after FM broadcasting of a specified frequency band is received, the broadcasted content is reversely analyzed and converted into a character string, the character string is sent to a system of the sound box equipment, and subsequent business logic is processed by the sound box system.
The method includes steps of receiving a task ID of a person to be played, creating a task list, storing various contents of the person, wherein the task list contains the task ID and preset time for playing the task, guaranteeing the integrity of the played contents, traversing all playing devices through a server, sending the task list to the broadcasting devices, sending the task ID required to be played in the form of FM broadcasting by a first device with an FM sending module until the preset time, receiving the FM broadcasting frequency band by the broadcasting device with an FM receiving module, obtaining the task ID required to be imitated currently, finding the task required to be played according to the task ID, and starting playing, so that synchronous playing effect is achieved.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The synchronous broadcasting method based on the FM receiving and transmitting module is characterized by comprising the following steps of:
traversing a task table set in a server to enable the server to obtain equipment numbers of first broadcasting equipment and second broadcasting equipment in the task table and send IDs of tasks in the task table to the first broadcasting equipment and the second broadcasting equipment; the task table comprises a plurality of parameters of a plurality of broadcasting tasks; the parameters of the task comprise the ID of the task, the equipment numbers of the first broadcasting equipment and the second broadcasting equipment comprising the FM receiving module, the content of the broadcasting task corresponding to the ID of the task and the preset time for executing playing;
the method comprises the steps that first broadcasting equipment receives an ID of a task sent by a server, queries in a database of the server according to the ID of the task, obtains a task table corresponding to the ID of the task, and downloads and stores information in the task table into the database of the first broadcasting equipment; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
according to the preset time for playing the broadcasting task, the first broadcasting equipment receives a second task instruction sent by the server; the second task instruction comprises a task ID of the broadcast task;
according to the second task instruction, the first broadcasting device detects whether the first FM transmitting module exists in a preset transmitting module detection mode, if so, the first broadcasting device sends FM broadcasting through the first FM transmitting module and receives the FM broadcasting according to the first FM receiving module; the FM broadcast includes a task ID for the broadcast task;
according to the sent FM broadcast, the first broadcasting device receives the FM broadcast through the first FM receiving module, inquires and plays a broadcasting task corresponding to the task ID.
2. The method for synchronous broadcasting based on FM transceiver module of claim 1, wherein before obtaining the broadcasting task corresponding to the first task instruction from the server according to the first task instruction, specifically comprises:
by creating a task table in the server, so that parameters of the broadcast tasks are saved in the task table, and the task table is saved in a database of the server.
3. The method for synchronous broadcasting based on FM transceiver module as claimed in claim 1, wherein said first broadcasting device receives a second task instruction sent by said server, specifically comprising:
according to the playing time of the broadcasting task, the server sends an executed task instruction to the first broadcasting device by detecting that the task corresponding to the playing time needs to be executed, so that the first broadcasting device receives the second task instruction sent by the server;
the second task instruction includes an ID of the task.
4. The method for synchronous broadcasting based on FM transceiver module as claimed in claim 1, wherein said first broadcasting device transmits FM broadcasting, specifically comprising:
according to the second task instruction, the first broadcasting device judges whether the first FM transmitting module mounted by the usb exists or not by detecting a device tree of the first broadcasting device, if the first FM transmitting module mounted by the usb does not exist, the second task instruction is ignored, and if the first FM transmitting module mounted by the usb exists, whether a connection pointer established with the first FM transmitting module is empty or not is detected; the established connection pointer is a usb connection pointer and is used for judging whether usb equipment carried by the first broadcasting equipment is the first FM transmitting module or not;
if the task instruction is empty, the first broadcasting equipment ignores the task instruction;
if the task ID is not null, the first broadcasting device combines the pointer with the check code to enable the task ID in the second task instruction to be sent in the form of FM broadcasting.
5. The method for synchronous broadcasting based on FM transceiver module as claimed in claim 1, wherein said first broadcasting device queries and plays a broadcasting task corresponding to said task ID, specifically comprising:
according to the FM broadcast, the first broadcasting equipment analyzes the content of the FM broadcast through the first FM receiving module so as to obtain characters corresponding to the FM broadcast;
analyzing and obtaining the ID of the task which is contained in the FM broadcast and needs to be played by sending the character to a sound system of the first broadcasting equipment;
according to the ID of the task, the first broadcasting device obtains the broadcasting task which is corresponding to the first broadcasting device and needs to be played by inquiring in a database of the first broadcasting device, and starts to play.
6. The synchronous broadcasting method based on the FM receiving and transmitting module is characterized by comprising the following steps of:
the second broadcasting equipment receives the ID of the task sent by the server, queries in a database of the server according to the ID of the task, obtains a task table corresponding to the ID of the task, and downloads and stores information in the task table into the database of the second broadcasting equipment; the second broadcasting device is a broadcasting device comprising a second FM receiving module;
the second broadcasting device receives FM broadcasting sent by the first broadcasting device through the second FM receiving module; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
and according to the FM broadcasting, the second broadcasting equipment inquires and plays the broadcasting task corresponding to the task ID.
7. The broadcasting equipment based on the FM receiving and transmitting module is characterized by comprising a first storage module, a first receiving module, a first FM transmitting module, a first FM receiving module and a first playing module;
the first storage module is used for receiving the ID of the task sent by the server by the first broadcasting equipment, inquiring in a database of the server according to the ID of the task, obtaining a task table corresponding to the ID of the task, and downloading and storing information in the task table into the database of the first broadcasting equipment; the first broadcasting equipment comprises a first FM receiving module and a first FM transmitting module;
the first receiving module is used for executing the preset playing time according to the broadcasting task, and the first broadcasting equipment receives a second task instruction sent by the server; the second task instruction comprises a task ID of the broadcast task;
the first FM transmitting module is used for detecting whether the first FM transmitting module exists or not through a preset transmitting module detecting mode according to the second task instruction, and if so, sending FM broadcasting; the FM broadcast includes a task ID for the broadcast task;
the first FM receiving module is used for receiving the sent FM broadcast;
and the first playing module is used for inquiring and playing the broadcasting task corresponding to the task ID according to the sent FM broadcasting.
8. The broadcasting equipment based on the FM receiving and transmitting module is characterized by comprising a second storage module, a second FM receiving module and a second playing module;
the second storage module is used for receiving the ID of the task sent by the server by the second broadcasting equipment, inquiring in the database of the server according to the ID of the task, obtaining a task table corresponding to the ID of the task, and downloading and storing the information in the task table into the database of the second broadcasting equipment; the second broadcasting equipment is broadcasting equipment comprising an FM receiving module;
the second FM receiving module is used for receiving FM broadcasting sent by the first broadcasting equipment by the second broadcasting equipment; the FM broadcast includes a task ID for the broadcast task; the first broadcasting equipment comprises a first FM receiving module and a second FM transmitting module;
and the second playing module is used for inquiring and playing the broadcasting task corresponding to the task ID according to the FM broadcasting.
9. A synchronous broadcast system based on an FM transceiver module, comprising a first broadcast device, a second broadcast device, and a server, the first broadcast device configured to perform the synchronous broadcast method of any one of claims 1 to 5; the second broadcasting apparatus is configured to perform the synchronized broadcasting method of claim 6; the server is used for sending a first task instruction and a second task instruction to the first broadcasting equipment and sending the first task instruction to the second broadcasting equipment.
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| JP6967370B2 (en) * | 2017-05-17 | 2021-11-17 | ソニーグループ株式会社 | Receiver, receiving method, transmitting device, and transmitting method |
| CN108234636A (en) * | 2017-12-29 | 2018-06-29 | 阿里巴巴集团控股有限公司 | Voice broadcast method, device, system and intellectual broadcast equipment |
| CN110351213A (en) * | 2018-04-02 | 2019-10-18 | 华为技术有限公司 | Audio frequency playing method and equipment |
| CN110166550B (en) * | 2019-05-22 | 2022-03-18 | 湖南康通电子股份有限公司 | Timing broadcasting method and device of digital broadcasting system |
| EP4228285A4 (en) * | 2020-10-28 | 2024-01-03 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Audio control method and device |
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