CN105704535B - A kind of audio-video frequency playing system control method, device and audio-video frequency playing system - Google Patents

Abstract

The invention discloses a kind of audio-video frequency playing system control method, device and audio-video frequency playing systems.The method includes control terminals when the frequency of either objective playback equipment in monitoring itself control audio-video frequency playing system is more than the first preset value, main playback equipment into audio-video frequency playing system sends request message, to obtain the Bluetooth information of the target playback equipment；The control terminal establishes bluetooth connection according to the Bluetooth information of the target playback equipment and the target playback equipment, and by bluetooth connection channel to the target playback equipment transmission data.The present invention improves the message transmission rate between the playback equipment in control terminal and audio-video frequency playing system, and the user experience is improved.

Description

An audio and video playback system control method, device and audio and video playback system

technical field

Embodiments of the present invention relate to the field of audio and video technologies, and in particular, to an audio and video playback system control method and device, and an audio and video playback system.

Background technique

With the development of multimedia technology, audio and video playback systems composed of multiple playback devices are becoming more and more popular among consumers. In this audio and video playback system, multiple playback devices are connected to form a private network through wireless methods (such as IEEE802.11 and other industrial standards). Moreover, this private network provides an outlet facing the Internet (it may be connected to one or more routers, and the routers are connected to the Internet), so that playback devices in the private network can access network music resources. After the control terminal (such as a smart phone, a tablet computer or a personal computer, etc.) has installed a dedicated application software, it can access the playback device in this private network through the outlet, and manage the playback device (including adding and reducing devices, searching for music, etc.) or videos, create playlists, and control various playback states).

In the prior art, when the above methods are used to control the playback devices in the audio and video playback system, the transmission rate of control commands and audio and video data is relatively slow, especially when the network is congested, the transmission delay will be relatively large, which will affect the user's listening experience.

Contents of the invention

The present invention provides an audio and video playback system control method and device, and an audio and video playback system, so as to increase the data transmission rate between a control terminal and a playback device in the audio and video playback system, and improve user experience.

In the first aspect, the embodiment of the present invention provides an audio and video playback system control method, including:

When the control terminal detects that the frequency of controlling any target playback device in the audio and video playback system is greater than the first preset value, the control terminal sends a request message to the main playback device in the audio and video playback system to obtain the Bluetooth status of the target playback device. information;

The control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmits data to the target playback device through a Bluetooth connection channel.

In the second aspect, the embodiment of the present invention also provides an audio and video playback system control method, including:

The main playback device monitors the frequency with which the control terminal controls any target playback device in the audio and video playback system;

When the main playback device detects that the control terminal controls the target playback device more frequently than a first preset value, it sends the Bluetooth information of the target playback device to the control terminal to instruct the control terminal Establish a bluetooth connection with the target playback device, and transmit data through the bluetooth connection channel.

In the third aspect, the embodiment of the present invention also provides an audio and video playback system control device, which is configured in a control terminal and includes:

The first monitoring module is used to send a request message to the main playback device in the audio and video playback system to obtain the Bluetooth information of the target playback device when it is detected that the frequency of controlling the target playback device by itself is greater than the first preset value;

The first connection control module is configured to establish a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmit data to the target playback device through a Bluetooth connection channel.

In the fourth aspect, the embodiment of the present invention also provides an audio and video playback system control device, which is configured in the main playback device in the audio and video playback system, including:

The second monitoring module is used to monitor the frequency at which the control terminal controls any target playback device in the audio and video playback system;

The second connection control module is configured to send the bluetooth information of the target playback device to the control terminal when it is detected that the frequency of the control terminal controlling the target playback device is greater than a first preset value, so as to instruct the The control terminal establishes a bluetooth connection with the target playback device, and transmits data through the bluetooth connection channel.

In the fifth aspect, the embodiment of the present invention also provides an audio and video playback system, including a plurality of playback devices, wherein the plurality of playback devices include a master playback device and a plurality of slave playback devices, and the master playback device includes a first The audio and video playback system control device described in the fourth aspect.

In the present invention, when the control terminal detects that the frequency of controlling any target playback device in the audio and video playback system is greater than the first preset value, it sends a request message to the main playback device in the audio and video playback system to obtain the target playback Bluetooth information of the device, establish a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and then transmit data to the target playback device through the Bluetooth connection channel. Or, when the main playback device detects that the frequency of the control terminal controlling the target playback device is greater than a first preset value, it sends the Bluetooth information of the target playback device to the control terminal to instruct the control terminal Establishing a Bluetooth connection with the target playback device, and transmitting data through the Bluetooth connection channel improves the data transmission rate between the control terminal and the playback device in the audio and video playback system, and improves user experience.

Description of drawings

Fig. 1 is a schematic diagram of network construction of an audio and video playback system provided by the present invention;

Fig. 2 is a schematic diagram of network construction of another audio and video playback system provided by the present invention;

Fig. 3 is a schematic structural diagram of a playback device provided by the present invention;

FIG. 4 is a flow chart of an audio and video playback system control method provided by Embodiment 1 of the present invention;

FIG. 5 is a flowchart of an audio and video playback system control method provided in Embodiment 2 of the present invention;

6 is a schematic structural diagram of a control device for an audio and video playback system provided by Embodiment 3 of the present invention;

FIG. 7 is a schematic structural diagram of an audio and video playback system control device provided by Embodiment 4 of the present invention.

Detailed ways

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

The audio and video playback system in the present invention is composed of multiple playback devices, which integrate network communication functions, especially wireless communication technologies, such as WIFI modules and Bluetooth modules integrated in the playback devices. It should be noted that other communication modules can optionally be integrated in the playback device for communication connection, such as a MESH module, but the communication technology in the playback device is not limited in the present invention. Therefore, the playback devices in the audio and video playback system can form a network to connect playback devices in different regions. At the same time, the audio and video playback system can be connected to the Internet to obtain Internet music resources. In addition, the audio and video playback system is generally controlled by control terminals such as smart phones, which are connected to the audio and video playback system through wireless communication technologies such as WIFI, and after installing special control software, the smart phone can access and control the audio and video playback system. Video playback system, and can push the music on the Internet to the audio and video playback system for playback. In addition to playing music and video on the Internet, the audio and video playback system can also play music and video stored locally, such as music and video files stored in the internal storage of the playback device or external storage (such as U disk), and can also play Music stored on control terminals such as smart phones, and music and video files on other accessible devices (such as NAS servers) in the LAN.

Since each playback device also integrates a Bluetooth module, various control terminals with Bluetooth functions can establish a connection with the playback device through Bluetooth, and transmit the audio and video data of the control terminal to the playback device. In the audio and video playback system provided by the present invention, the playback device that receives the audio and video data from the control terminal can not only play the audio and video data itself, but also pass the received audio and video data through the network of the audio and video playback system. It is transmitted to other playback devices in the audio and video playback system, so that multiple playback devices can play music or video synchronously. For example, the user pairs and connects his smart phone with a bluetooth module of a playback device in the audio and video playback system, and sets multiple playback devices (such as 3 playback devices) in the audio and video playback system to play music together. When the user opens the music player software on the smart phone to play the song, multiple playback devices in the audio and video playback system will play the selected song synchronously.

The playback devices in the audio and video playback system can also form several playback groups, and each playback group plays different music respectively. For example, there are 6 playback devices A, B, C, D, E, and F in an audio and video playback system. Among them, playback devices A and B form a playback group 1, and playback devices C and D form a playback group 2. Devices E and F form a playback group 3 . The playback devices A and B in the playback group 1 play the same song synchronously, the playback devices C and D in the playback group 2 play the same song synchronously, and the playback devices E and F in the playback group 3 play the same song synchronously, but the Group 1, play group 2 and play group 3 are independent of each other, they can play the same song or different songs respectively. Each playback group can be controlled by different users or by the same user.

Fig. 1 is a schematic diagram of network construction of a kind of audio and video playback system provided by the present invention, as shown in Fig. 1, playback device 11, playback device 12, playback device 13 and playback device 14 form an audio and video playback system, between them through Establish a communication connection wirelessly. Wherein, the playback device 11 establishes a wired connection with the wireless router 20, and the wireless router 20 establishes a connection with the Internet and a local area network. The playback device 11 is the master playback device of the audio and video playback system, and the other playback devices are slave playback devices. The control terminal 30 is equipped with a dedicated application program, and after the control terminal 30 is connected to the wireless router 20, each playback device in the private network 10 of the audio and video playback system can be accessed and controlled through the application program. The user selects the song that wants to play at control terminal 30, and control terminal 30 can send the information of this song (as song name, song are stored in network music server and uniform resource locator URL) to playback device 11; The song information is connected to the network music server, and then the audio and video data of the song is downloaded. Playing device 11 decodes the music data of above-mentioned downloading, except for self-playing, the audio-video data after also decoding will be sent to playing device 12, playing device 13 and playing device 14 in private network 10, make 4 in the playing group The playback device plays the same song synchronously.

FIG. 2 is a schematic diagram of network construction of another audio and video playback system provided by the present invention. The difference from FIG. 1 is that the playback device 11 establishes a wireless connection with the wireless router 20 .

Fig. 3 is a structural representation of a playback device provided by the present invention. As shown in Fig. 3, each playback device in the present invention mainly includes the following: processor 41, bluetooth module 42, network interface 43, audio and video amplification module 44, Speaker 45 and memory 46 .

Wherein, the processor 41 is the core device of the playback device, and is used for executing the control program, communicating with other functional modules, and coordinating and controlling the work of each functional module.

The Bluetooth module 42 can realize the Bluetooth communication between the playback device and other devices, so that the playback device can establish a connection with a control terminal (such as a smart phone) that also has a Bluetooth function through Bluetooth technology, and obtain audio and video data or control data from the control terminal. The Bluetooth module 42 transmits the acquired audio and video data and control data to the processor 41, and also sends the audio and video data and control data transmitted by the processor 41 to other Bluetooth devices.

The network interface 43 may be a wired network interface, or a wireless network interface conforming to the 802.11 specification. The processor 41 can be connected to the Internet through the network interface 43 to obtain network streaming music data. Through the network interface 43, especially in the form of a wireless network, multiple playback devices can form a wireless audio and video playback system to realize synchronous playback of audio and video data. Usually, each smart terminal is also connected to the audio and video playback system through a wireless network (such as WIFI), and operates and controls the audio and video playback system and playback devices in the system.

The processor 41 sends the obtained audio and video data to the audio and video amplification module 44 after decoding or digital/analog conversion. The audio and video amplification module 44 receives the audio and video data processed by the processor 41 , and amplifies the power of the analog audio and video signals sent by the processor 41 to drive the speaker 45 to produce sound.

The speaker 45 is the sound reproduction part of the playback device. The number of speakers 45 in a playback device can be one or more.

The memory 46 is used to store the control program executed by the processor 41 and some configuration data of the audio and video playback system, such as network connection data, volume information, group information, and a list of played songs.

On the basis of the above-described audio and video playback system and playback equipment, FIG. 4 is a flow chart of an audio and video playback system control method provided in Embodiment 1 of the present invention. This embodiment is applicable to each audio and video playback system. For the control of playback equipment, the method can be executed by an audio-video playback system control device, and the audio-video playback system control device can be realized by software and/or hardware, and configured in a control terminal. Referring to Figure 4, the method specifically includes:

S110. When the control terminal detects that the frequency of controlling any target playback device in the audio and video playback system is greater than the first preset value, the control terminal sends a request message to the main playback device in the audio and video playback system to obtain the target playback device Bluetooth information.

The control terminal can monitor the frequency with which it controls any target playback device in the audio and video playback system. The target playback device may be a master playback device among audio and video playback devices, or any slave playback device. By monitoring the frequency of controlling any target playback device in the audio and video playback system, the connection and use of the control terminal to the audio and video playback system can be analyzed. The greater the frequency with which the control terminal controls the target playback device, it means that the user often uses the target playback device. Therefore, the first preset value is set. If the control terminal detects that the frequency of controlling any target playback device in the audio and video playback system is greater than the first preset value, it will send a request message to the main playback device in the audio and video playback system. After obtaining the request message, the main playback device sends the Bluetooth information of the target playback device to the control terminal.

S120. The control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmits data to the target playback device through a Bluetooth connection channel.

Since the control terminal detects that the frequency of controlling the target playback device by itself is greater than the first preset value, it indicates that the user controls the target playback device frequently and for a long time. Therefore, the control terminal obtains the Bluetooth information of the target playback device and establishes the target playback device. Bluetooth connection, and directly transmit data to the target playback device through the Bluetooth connection channel. For example, the control terminal can transmit audio and video data and control instructions to the target playback device through the Bluetooth connection channel.

In this embodiment of the present invention, the connection between the control terminal and the playback device in the audio and video playback system is used, that is, when the frequency of the control terminal using a certain playback device in the audio and video playback system is greater than the first preset value, the control terminal is connected to the playback device in the audio and video playback system. The playback devices are automatically switched to Bluetooth connections, which improves the data transmission efficiency between the control terminal and the playback devices in the audio and video playback system. Especially when the network is congested, it can significantly solve the problem of transmission delay and improve the user experience.

On the basis of the above embodiments, optionally, after the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmits data to the target playback device through a Bluetooth connection channel ,Also includes:

When the control terminal detects that the frequency of controlling the target playback device is less than a second preset value, the control terminal disconnects from the target playback device.

If the frequency with which the control terminal controls the target playback device is less than the second preset value, it means that the control terminal does not often use the target playback device at this time, and the Bluetooth connection between the two can be released at this time.

Further, preferably, before the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, it further includes:

The control terminal detects the bluetooth signal strength of the target playback device, and when the bluetooth signal strength of the target playback device is greater than a third preset value, performs Establish a Bluetooth connection operation.

After obtaining the Bluetooth information of the target playback device, the control terminal first detects the Bluetooth signal strength of the target playback device, and if the Bluetooth signal strength of the target playback device is greater than the third preset value, then according to the Bluetooth signal strength of the target playback device The information establishes a bluetooth connection with the target playback device. The advantage of this setting is that it can avoid data transmission failure due to too low Bluetooth signal strength.

On the basis of the above embodiments, preferably, after the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmits data to the target playback device through a Bluetooth connection channel, It also includes: the control terminal receives the status information of the target playback device through the Bluetooth connection channel.

The target playback device feeds back status information to the control terminal in real time, and the control terminal can display the status information of the target playback device after receiving the status information of the target playback device through the Bluetooth connection channel to prompt the user.

On the basis of the above embodiments, optionally, after the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the playback device corresponding to the data transmitted by the control terminal If the number is greater than 1, the control terminal disconnects the Bluetooth connection with the target playback device, and transmits data to the main playback device through a WIFI connection channel.

Using the Bluetooth connection channel to transmit data is suitable for the situation where a single playback device plays and is directly connected to the control terminal through Bluetooth; while using the WIFI connection channel to transmit data is suitable for multiple playback devices to play music synchronously. Therefore, after the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the number of playback devices corresponding to the data transmitted by the control terminal is greater than 1, it means that the control terminal needs to control how many station playback device, so the control terminal switches the Bluetooth connection to a WIFI connection, that is, the control terminal disconnects the Bluetooth connection with the target playback device, and transmits data to the main playback device through the WIFI connection channel, and the main playback device The data is then transmitted to the playback device corresponding to the data transmitted by the control terminal.

On the basis of the above embodiments, optionally, after the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the data transmitted by the control terminal corresponds to the playback When the device is switched to a playback device other than the target playback device, the control terminal disconnects the Bluetooth connection with the target playback device, and establishes a Bluetooth connection with the switched playback device.

After the control terminal establishes a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the playback device corresponding to the transmitted data of the control terminal is switched, the control terminal is disconnected from the target playback device. The Bluetooth connection of the target playback device, and then the control terminal establishes a Bluetooth connection with the switched playback device.

Embodiment two

The audio and video playback system control method provided by the present invention can also be executed by the audio and video playback system control device configured in the main playback device. FIG. 5 is a flow chart of an audio and video playback system control method provided in Embodiment 2 of the present invention. Referring to FIG. 5, the method specifically includes:

S210. The main playback device monitors the control terminal to control the frequency of any target playback device in the audio and video playback system.

S220. The main playback device determines whether the frequency at which the control terminal controls the target playback device is greater than a first preset value.

If yes, perform operation S230, otherwise perform operation S240.

S230. Send the Bluetooth information of the target playback device to the control terminal, so as to instruct the control terminal to establish a Bluetooth connection with the target playback device, and transmit data through a Bluetooth connection channel.

S240. The control terminal transmits data to the target playback device through a wireless fidelity WIFI connection channel.

In the embodiment of the present invention, the main playback device monitors the connection and usage of the control terminal and the playback device in the audio and video playback system, that is, the frequency of controlling any target playback device in the audio and video playback system by the main playback device monitoring control terminal is greater than the first preset. When setting the value, the control terminal and the playback device are automatically switched to Bluetooth connection, which improves the data transmission efficiency between the control terminal and the playback device in the audio and video playback system, especially when the network is congested, it can significantly solve the problem of transmission delay problems and improve the user experience.

On the basis of the above embodiments, optionally, after the control terminal establishes a Bluetooth connection with the target playback device, it further includes: the main playback device detects that the control terminal controls the target playback device. When the frequency is less than a second preset value, a control message is sent to the target playback device and/or the control terminal to instruct the target playback device and/or the control terminal to disconnect the Bluetooth connection.

If the main playback device detects that the frequency at which the control terminal controls the target playback device is less than the second preset value, it means that the control terminal does not often use the target playback device at this time. Bluetooth connection.

On the basis of the above embodiments, optionally, after the control terminal establishes a Bluetooth connection with the target playback device, it further includes: the target playback device sends the status of the target playback device to the control terminal, so as to control The terminal displays and prompts the user for the status information of the target playback device.

On the basis of the above embodiments, optionally, if the data received by the target playback device also corresponds to other playback devices, the target playback device sends the data to the main playback device, or disconnects the Bluetooth connection of the control terminal.

If the data received by the target playback device also corresponds to other playback devices, it means that the control terminal needs to control multiple playback devices. The above data is sent to other playback devices except the target playback device. It is also possible to directly disconnect the Bluetooth connection with the control terminal, switch the Bluetooth connection to a WIFI connection, and transmit data to the main playback device through the WIFI connection channel, and the data corresponding to the data transmitted by the main playback device to the control terminal. Each playback device transmits data.

Embodiment three

Fig. 6 is a schematic structural diagram of an audio and video playback system control device provided in Embodiment 3 of the present invention, configured in a control terminal, including:

The first monitoring module 51 is used to send a request message to the main playback device in the audio and video playback system to obtain the Bluetooth information of the target playback device when it is detected that the frequency of controlling the target playback device by itself is greater than the first preset value ;

The first connection control module 52 is configured to establish a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and transmit data to the target playback device through a Bluetooth connection channel.

In this embodiment of the present invention, the connection between the control terminal and the playback device in the audio and video playback system is used, that is, when the frequency of the control terminal using a certain playback device in the audio and video playback system is greater than the first preset value, the control terminal is connected to the playback device in the audio and video playback system. The playback devices are automatically switched to Bluetooth connections, which improves the data transmission efficiency between the control terminal and the playback devices in the audio and video playback system. Especially when the network is congested, it can significantly solve the problem of transmission delay and improve the user experience.

On the basis of the above embodiments, optionally, the first connection control module 52 is also configured to: establish a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and send After the target playback device transmits data, when it is detected that the frequency of controlling the target playback device is less than a second preset value, the connection with the target playback device is disconnected.

On the basis of the above-mentioned embodiments, optionally, the first connection control module 52 is also configured to: before establishing a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, detect the The Bluetooth signal strength of the device, and when the Bluetooth signal strength of the target playback device is greater than a third preset value, perform an operation of establishing a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device.

On the basis of the above embodiments, optionally, the first connection control module 52 is also configured to: establish a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, and send After the target playback device transmits data, it receives the state information of the target playback device through the Bluetooth connection channel.

On the basis of the above embodiments, optionally, the first connection control module 52 is further configured to: after establishing a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the control terminal The number of playback devices corresponding to the transmitted data is greater than 1, disconnect the Bluetooth connection with the target playback device, and transmit data to the main playback device through a WIFI connection channel.

On the basis of the above embodiments, optionally, the first connection control module 52 is further configured to: after establishing a Bluetooth connection with the target playback device according to the Bluetooth information of the target playback device, if the control terminal When the playback device corresponding to the transmitted data is switched to a playback device other than the target playback device, disconnect the Bluetooth connection with the target playback device, and establish a Bluetooth connection with the switched playback device.

Embodiment Four

7 is a schematic structural diagram of an audio and video playback system control device provided in Embodiment 4 of the present invention, which is configured in the main playback device in the audio and video playback system, including:

The second monitoring module 61 is used to monitor the frequency at which the control terminal controls any target playback device in the audio and video playback system;

The second connection control module 62 is configured to send the Bluetooth information of the target playback device to the control terminal when it is detected that the frequency that the control terminal controls the target playback device is greater than a first preset value, to indicate The control terminal establishes a bluetooth connection with the target playback device, and transmits data through the bluetooth connection channel.

In the embodiment of the present invention, the main playback device monitors the connection and usage of the control terminal and the playback device in the audio and video playback system, that is, the frequency of controlling any target playback device in the audio and video playback system by the main playback device monitoring control terminal is greater than the first preset. When setting the value, the control terminal and the playback device are automatically switched to Bluetooth connection, which improves the data transmission efficiency between the control terminal and the playback device in the audio and video playback system, especially when the network is congested, it can significantly solve the problem of transmission delay problems and improve the user experience.

On the basis of the above embodiments, optionally, the second connection control module 62 is also configured to: after the control terminal establishes a Bluetooth connection with the target playback device, after monitoring that the control terminal controls the When the frequency of the target playback device is less than the second preset value, send a control message to the target playback device and/or the control terminal to instruct the target playback device and/or the control terminal to disconnect the Bluetooth connection.

Embodiment five

The embodiment of the present invention also provides an audio and video playback system, including a plurality of playback devices, wherein the plurality of playback devices include a master playback device and a plurality of slave playback devices, and the master playback device includes the Audio and video playback system control device.

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 kind of audio-video frequency playing system control method, which is characterized in that including：

It is pre- that control terminal frequency of either objective playback equipment in monitoring itself control audio-video frequency playing system is more than first If when value, the main playback equipment into audio-video frequency playing system sends request message, to obtain the indigo plant of the target playback equipment Tooth information, wherein the frequency is the frequency that the control terminal controls the target playback equipment；

The control terminal establishes bluetooth connection according to the Bluetooth information of the target playback equipment with the target playback equipment, And by bluetooth connection channel to the target playback equipment transmission data.

2. according to the method described in claim 1, it is characterized in that, in the control terminal according to the target playback equipment Bluetooth information establishes bluetooth connection with the target playback equipment, and is passed to the target playback equipment by bluetooth connection channel After transmission of data, further include：

The control terminal when the frequency for monitoring to control the target playback equipment is less than the second preset value, disconnect with it is described The connection of target playback equipment.

3. according to the method described in claim 1, it is characterized in that, in the control terminal according to the target playback equipment Bluetooth information is established with the target playback equipment before bluetooth connection, further includes：

The control terminal detects the bluetooth signal intensity of the target playback equipment, and in the bluetooth of the target playback equipment When signal strength is more than third preset value, the Bluetooth information according to the target playback equipment and the target playback equipment are executed Establish bluetooth connection operation.

4. according to the method described in claim 1, it is characterized in that, in the control terminal according to the target playback equipment Bluetooth information establishes bluetooth connection with the target playback equipment, and is passed to the target playback equipment by bluetooth connection channel After transmission of data, further include：

The control terminal receives the status information of the target playback equipment by the bluetooth connection channel.

5. according to the method described in claim 1, it is characterized in that, in the control terminal according to the target playback equipment Bluetooth information and the target playback equipment are established after bluetooth connection, are broadcast if the data transmitted of the control terminal are corresponding It puts number of devices and is more than 1, the control terminal disconnects the bluetooth connection with the target playback equipment, and is believed by WIFI connections Equipment transmission data is put to the main broadcaster in road.

6. according to the method described in claim 1, it is characterized in that, in the control terminal according to the target playback equipment Bluetooth information is established with the target playback equipment after bluetooth connection, if the data of the control terminal transmitted are corresponding When playback equipment is switched to other playback equipments in addition to the target playback equipment, the control terminal disconnects and the target The bluetooth connection of playback equipment, and establish the bluetooth connection with the playback equipment after the switching.

7. a kind of audio-video frequency playing system control method, which is characterized in that including：

Main broadcaster puts the frequency of either objective playback equipment in monitoring of equipment control terminal control audio-video frequency playing system, wherein institute It is the frequency that the control terminal controls the target playback equipment to state the frequency；

To be more than first default monitoring the control terminal to control the frequency of the target playback equipment for the main playback equipment When value, the Bluetooth information of the target playback equipment is sent to the control terminal, with indicate the control terminal with it is described Target playback equipment establishes bluetooth connection, and passes through bluetooth connection channel transmission data.

8. the method according to the description of claim 7 is characterized in that being established in the control terminal and the target playback equipment After bluetooth connection, further include：

To be less than second default monitoring the control terminal to control the frequency of the target playback equipment for the main playback equipment When value, control message is sent to the target playback equipment and/or the control terminal, to indicate the target playback equipment And/or the control terminal disconnects bluetooth connection.

9. the method according to the description of claim 7 is characterized in that being established in the control terminal and the target playback equipment After bluetooth connection, further include：

Target playback equipment state is sent the control terminal by the target playback equipment.

10. if the method according to the description of claim 7 is characterized in that the data that the target playback equipment receives Also correspond to other playback equipments, the data are sent the main playback equipment by the target playback equipment, or disconnect with it is described The bluetooth connection of control terminal.

11. a kind of audio-video frequency playing system control device, is configured in control terminal, which is characterized in that including：

First monitoring modular, for the frequency for monitoring itself control targe playback equipment be more than the first preset value when, Xiang Yin Main playback equipment in audio/video player system sends request message, to obtain the Bluetooth information of the target playback equipment, wherein The frequency is the frequency that the control terminal controls the target playback equipment；

First link control module, for being established with the target playback equipment according to the Bluetooth information of the target playback equipment Bluetooth connection, and by bluetooth connection channel to the target playback equipment transmission data.

12. a kind of audio-video frequency playing system control device is configured in the main playback equipment in audio-video frequency playing system, feature It is, including：

Second monitoring modular is used for the frequency of either objective playback equipment in monitoring and controlling terminal control audio-video frequency playing system, Wherein, the frequency is the frequency that the control terminal controls the target playback equipment；

Second link control module, for monitoring that the control terminal controls the frequency of the target playback equipment and be more than the When one preset value, the Bluetooth information of the target playback equipment is sent to the control terminal, to indicate the control terminal Bluetooth connection is established with the target playback equipment, and passes through bluetooth connection channel transmission data.

13. a kind of audio-video frequency playing system, which is characterized in that including multiple playback equipments, wherein the multiple playback equipment packet Include a main playback equipment and multiple from playback equipment, the main playback equipment includes the audio and video playing system described in claim 12 System control device.