CN106488290A - Multimedia synchronous playback method, device and system - Google Patents

Abstract

The invention discloses a multimedia synchronous playing method, a device and a system, wherein the method comprises the following steps: according to the method and the device, the target playing item of the multimedia data in the master control device is sent to the slave device, and when the fact that the multimedia file matched with the target playing item exists in the slave device is judged, the existing multimedia file matched with the target playing item in the slave device is called to be synchronously played. The method has the advantages that stored multimedia in the slave equipment is directly triggered to be played synchronously, cache resources of each slave equipment are fully utilized, resource integration is carried out, the operation pressure of the master control equipment is reduced, occupation of network bandwidth is reduced, the whole network environment is optimized, network blockage is avoided, synchronous playing is smooth and stable, and user experience is improved.

Description

Multimedia synchronous playback method, device and system

technical field

The present invention relates to the technical field of multimedia playing, in particular to a method, device and system for synchronous playing of multimedia.

Background technique

Multiple playback devices (such as mobile phones, computers, speakers, various players, etc.) are connected through wired or wireless network technology to form a multimedia synchronous playback system, which plays the same audio, video or picture synchronously, which has been widely used. Taking the multimedia synchronous playback system as an example, how to realize the synchronous playback of multiple playback devices, so that the sound or picture delay between multiple devices is as small as possible, so as to ensure the user's sense of hearing or visual consistency, this is multi-device synchronization Key technologies for playback.

For example, among multiple playback devices that realize synchronous playback, when the master device and other slave devices perform synchronous playback, they generally perform time synchronization before synchronous playback, and then the master device sends multimedia data packets to the slave devices. Mark the playback time of the data packet in the data packet, and the slave device performs synchronous playback by matching the playback time of the data packet with the system time. However, in the process of synchronous playback, the main control device not only needs to play multimedia, but also packs and transmits multimedia data packets. If there is too much data to be transmitted, it will easily cause network congestion and increase the computational burden of the main control device. , it is prone to delayed playback or freeze of the video or audio, resulting in the inability of the multiple playback devices to achieve synchronous playback, affecting user experience. Therefore, further improvement is required.

Contents of the invention

The object of the present invention is to provide a multimedia synchronous playback method, device and system, aiming at solving the problem of network congestion caused by too much data to be transmitted by the main control device in the multimedia synchronous playback system existing in the prior art, and making the main control The computing burden of the device is increased, resulting in the technical problem that the multiple playback devices cannot realize synchronous playback, and the user experience is poor.

In order to solve the above technical problems, embodiments of the present invention provide the following technical solutions:

A multimedia synchronous playing method, the method comprising:

Send the target play item of the multimedia data in the master device to the slave device;

Judging whether there is a multimedia file matching the target play item in the slave device;

When there is a multimedia file matching the target play item in the slave device, calling the existing multimedia file in the slave device matching the target play item to play synchronously.

In order to solve the above technical problems, embodiments of the present invention also provide the following technical solutions:

A multimedia synchronous playback device, said device comprising:

A sending module, configured to send the target play item of the multimedia data in the master device to the slave device;

A judging module, configured to judge whether there is a multimedia file matching the target play item in the slave device;

The synchronous playing module is used for calling the existing multimedia file in the slave device that matches the target play item to play synchronously when there is a multimedia file matching the target play item in the slave device.

In order to solve the above technical problems, embodiments of the present invention also provide the following technical solutions:

A multimedia synchronous playback system, comprising a source device, a master control device and at least one slave device, wherein the master control device establishes a connection with the source device and the slave device through a network, and the master control device is used to receive The multimedia data sent by the source device is used to synchronize the received multimedia data to the slave device, and the system is implemented by any of the above methods.

Compared with the prior art, the present invention sends the target play item of multimedia data in the master device to the slave device, and when it is judged that there is a multimedia file matching the target play item in the slave device, the slave device calls Synchronously play the multimedia files that match the target play entry. The present invention directly triggers the multimedia stored in the slave devices to play synchronously, makes full use of the buffer resources of each slave device, and effectively integrates resources, effectively reduces the computing pressure of the master device, reduces data processing and distribution, and effectively reduces the need for Occupying network bandwidth, optimizing the entire network environment, avoiding network congestion, making multimedia synchronous playback smoother and more stable, and improving user experience.

Description of drawings

The technical solutions and other beneficial effects of the present invention will be apparent through the detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

FIG. 1 is a schematic flowchart of a multimedia synchronous playback method provided by a first embodiment of the present invention.

FIG. 2 is a schematic flowchart of a multimedia synchronous playback method provided by the second embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a multimedia synchronous playback device provided by a third embodiment of the present invention.

FIG. 4 is another schematic structural diagram of a multimedia synchronous playback device provided by the third embodiment of the present invention.

FIG. 5 is a schematic diagram of an operating environment of a multimedia synchronous playback system provided by a fourth embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The terms "first", "second" and "third" in the present invention are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

The execution subject of a kind of multimedia synchronous playing method provided by the embodiment of the present invention can be a kind of multimedia synchronous playing device provided by the embodiment of the present invention, or the mobile terminal (such as desktop computer, notebook, Pocket computer, tablet computer, smart TV, smart phone, smart speaker, or wearable device with playback function, etc.), the multimedia synchronous playback device can be implemented in hardware or software.

It can be understood that the method described in this embodiment can be applied to an intelligent playback device or a multimedia synchronous playback system. Preferably, the multimedia synchronous playback system generally includes a source device and multiple playback devices. Wherein, the plurality of playback devices may include a master device and at least one slave device. Wherein, the source device may be used to provide multimedia data to multiple playback devices, so that multiple playback devices perform synchronous playback; or the source device may be used to provide multimedia data to a master control device in the playback devices, The master control device then synchronizes the received multimedia data to the slave devices in the playback device, so as to realize synchronous multimedia playback.

first embodiment

Please refer to FIG. 1 . FIG. 1 is a schematic flowchart of a multimedia synchronous playback method provided by a first embodiment of the present invention. The methods include:

Step S101, sending the target play item of the multimedia data in the master device to the slave device.

It can be understood that the method described in this embodiment mainly describes a playback group composed of multiple playback devices in a multimedia synchronous playback system. In the playback group, multiple playback devices are connected through wired transmission or wireless transmission to form a private network environment. Wherein, the wireless transmission mode may be infrared, bluetooth, WiFi (Wireless Fidelity, wireless local area network), hotspot network, and the like. The private network environment can be connected to one or more routers, and then connected to the Internet through the routers, so that one or more playback devices in the private network environment can directly access the Internet or source devices to obtain multimedia resources.

Wherein, the plurality of playback devices may include a master device and at least one slave device. In general, the main control device in the playback device can be installed with an application program APP for controlling the multimedia synchronous playback system, and the playback device in the system can be managed through the application program APP, including setting and adjusting the device , Create playlists, obtain multimedia resources, control playback status, etc.

Wherein, the master control device may be a notebook, a handheld computer, a tablet computer, a smart phone, etc., and the slave device may be a smart phone, a smart speaker, a smart TV, a multimedia screen, and the like.

Preferably, before synchronous playing, the master device sends the target play item of the multimedia data to be played to the slave device. Wherein, the slave device may be single or multiple; the target play item may be single or multiple.

Wherein, the target play item may include a file name corresponding to the multimedia data, an MD5 (Message-Digest Algorithm 5, message digest algorithm version 5) check code, ID3 information or a link URL, and the like. Among them, the MD5 check code is the check code formed after the multimedia data is encrypted through the hash algorithm, which is unique and can effectively identify the encrypted file. The ID3 is a metadata container, which is mostly used in audio files in MP3 format. The ID3 can store information such as the title of the song, the singer, the album, and the number of tracks in the MP3 file. The link URL may be a link address for acquiring multimedia data from the Internet or cloud storage space.

For example, take an audio synchronous playback system as an example. For example, the master device is mobile phone A, and the slave devices are speaker B, speaker C, and speaker D. The multimedia data that needs to be played in mobile phone A are song a, song b, song c, song d, and song e, send the titles of the songs a to e as the target play items to speaker B, speaker C, and speaker D respectively.

Step S102, judging whether there is a multimedia file matching the target play item in the slave device. If yes, execute step S106; if not, execute step S108.

It can be understood that it is determined whether there is a multimedia file matching the target play item in the storage space of the slave device. If yes, execute step S106; if not, execute step S108.

Wherein, the storage space of the slave device may be the cache area of the slave device, for example, for the situation that the same multimedia has been played not long ago, there are multimedia file caches that have been played but not cleared in the cache area of the slave device . The storage space of the slave device may also be an external memory, such as a mobile hard disk, a U disk, and the like. The storage space of the slave device may also be a mounted network storage, for example, a cloud storage space, a cloud disk, and the like.

For example, if it is determined that there are multimedia files matching the titles of the songs a to e to be played in the speakers B and C, step S106 is performed.

For example, if it is determined that there is no multimedia file matching the titles of the songs a to e to be played in the speaker D, step S108 is performed.

Step S103, call the existing multimedia file in the slave device that matches the target play item to play synchronously.

For example, if there are multimedia files matching the titles of songs a to e to be played in speaker B and speaker C, then directly call the existing files in speaker B and speaker C that match the titles of songs a to e to be played. Multimedia files are played synchronously.

Step S104, transmitting the multimedia data in the master device to the slave device for synchronous playback.

For example, if there is no multimedia file matching the titles of the songs a to e to be played in the speaker D, the songs a to e to be played in the mobile phone A are transmitted to the speaker D for synchronous playback.

In this embodiment, the target play item of multimedia data in the master device is sent to the slave device, and when it is judged that there is a multimedia file matching the target play item in the slave device, the The multimedia files matched by the target play item are played synchronously. The present invention directly triggers the multimedia stored in the slave devices to play synchronously, makes full use of the buffer resources of each slave device, and effectively integrates resources, effectively reduces the computing pressure of the master device, reduces data processing and distribution, and effectively reduces the need for Occupying network bandwidth, optimizing the entire network environment, avoiding network congestion, making multimedia synchronous playback smoother and more stable, and improving user experience.

second embodiment

Please also refer to FIG. 2 . FIG. 2 is a schematic flowchart of a multimedia synchronous playback method provided by the second embodiment of the present invention. The methods include:

Step S201, sending the playlist of multimedia data in the master device to the slave device, wherein the playlist includes multiple target play items.

It can be understood that, before synchronous playing, the master device sends the playlist of the multimedia data to be played to the slave device, wherein the playlist carries multiple target play items. The slave device can be single or multiple.

Wherein, the target play item may include a file name corresponding to the multimedia data, an MD5 (Message-Digest Algorithm 5, message digest algorithm version 5) check code, ID3 information or a link URL, and the like. Among them, the MD5 check code is the check code formed after the multimedia data is encrypted through the hash algorithm, which is unique and can effectively identify the encrypted file. The ID3 is a metadata container, which is mostly used in audio files in MP3 format. The ID3 can store information such as the title of the song, the singer, the album, and the number of tracks in the MP3 file. The link URL may be a link address for acquiring multimedia data from the Internet or cloud storage space.

Step S202, judging whether there is a multimedia file matching the target play item in the slave device. If yes, execute step S203; if not, execute step S205.

It can be understood that it is determined whether there is a multimedia file matching the target play item in the storage space of the slave device. If yes, execute step S203; if not, execute step S205.

Wherein, the storage space of the slave device may be the cache area of the slave device, for example, for the situation that the same multimedia has been played not long ago, there are multimedia file caches that have been played but not cleared in the cache area of the slave device . The storage space of the slave device may also be an external memory, such as a mobile hard disk, a U disk, and the like. The storage space of the slave device may also be a mounted network storage, such as cloud storage space, cloud disk, and the like.

Step S203, sending a synchronous play instruction to the slave device that has been matched to the same multimedia file.

It can be understood that, when there is a multimedia file matching the target play item in the single or multiple slave devices, the matching result is fed back to the master device, and the master device sends the Single or multiple slave devices that have been matched to the same multimedia file are marked with type, for example, marked as type X, and at the same time, a synchronous play instruction is sent to the slave device of type X that has been matched to the same multimedia file.

Step S204: Play synchronously with the matched multimedia file in the slave device according to the synchronous play instruction.

It can be understood that the single or multiple slave devices obtain multimedia data from the multimedia files that have been matched by the device, and output the multimedia files for synchronous playback according to the received synchronization instruction.

Step S205, transmitting the synchronous play instruction and the multimedia data in the master device to the slave devices that are not matched with the same multimedia file.

It can be understood that, when there is no multimedia file matching the target play item in the single or multiple slave devices, the matching result is fed back to the master device, and the master device sends the matching result according to the received The single or multiple slave devices that are not matched to the same multimedia file are type marked, for example, marked as Y type, and the synchronous playback instruction and the multimedia data in the master device are transmitted to the unmatched multimedia file. File class Y slaves.

Step S206, perform synchronous playback according to the synchronous playback instruction and the multimedia data received by the slave device.

It can be understood that the single or multiple slave devices receive the multimedia data transmitted from the master device, and output the received multimedia data for synchronous playback according to the received synchronization instruction.

In this embodiment, the target play item of multimedia data in the master device is sent to the slave device, and when it is judged that there is a multimedia file matching the target play item in the slave device, the The multimedia files matched by the target play item are played synchronously. The present invention directly triggers the multimedia stored in the slave devices to play synchronously, makes full use of the buffer resources of each slave device, and effectively integrates resources, effectively reduces the computing pressure of the master device, reduces data processing and distribution, and effectively reduces the need for Occupying network bandwidth, optimizing the entire network environment, avoiding network congestion, making multimedia synchronous playback smoother and more stable, and improving user experience.

third embodiment

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of a multimedia synchronous playback device provided by a third embodiment of the present invention. The multimedia synchronous playing device 30 includes a sending module 31 , a judging module 32 , and a synchronous playing module 33 .

Wherein, the sending module 31 is configured to send the target play item of the multimedia data in the master device to the slave device.

Preferably, before synchronous playing, the sending module 31 sends the target play item of the multimedia data to be played in the master device to the slave device. Wherein, the slave device may be single or multiple; the target play item may be single or multiple.

Wherein, the target play item may include a file name corresponding to the multimedia data, an MD5 (Message-Digest Algorithm 5, message digest algorithm version 5) check code, ID3 information or a link URL, and the like. Among them, the MD5 check code is the check code formed after the multimedia data is encrypted through the hash algorithm, which is unique and can effectively identify the encrypted file. The ID3 is a metadata container, which is mostly used in audio files in MP3 format. The ID3 can store information such as the title of the song, the singer, the album, and the number of tracks in the MP3 file. The link URL may be a link address for acquiring multimedia data from the Internet or cloud storage space.

The judging module 32 is configured to judge whether there is a multimedia file matching the target play item in the slave device.

It can be understood that the judging module 32 judges whether there is a multimedia file matching the target play item in the storage space of the slave device.

Wherein, the storage space of the slave device may be the cache area of the slave device, for example, for the situation that the same multimedia has been played not long ago, there are multimedia file caches that have been played but not cleared in the cache area of the slave device . The storage space of the slave device may also be an external memory, such as a mobile hard disk, a U disk, and the like. The storage space of the slave device may also be a mounted network storage, for example, a cloud storage space, a cloud disk, and the like.

The synchronous playing module 33 is configured to call the existing multimedia file in the slave device that matches the target play item to perform synchronous playback when there is a multimedia file matching the target play item in the slave device .

The synchronous playing module 33 is also used to send the multimedia data in the master device to the slave device for synchronous playback when there is no multimedia file matching the target play entry in the slave device .

Please also refer to FIG. 4 . FIG. 4 is another structural diagram of a multimedia synchronous playback device provided by the third embodiment of the present invention. The multimedia synchronous playing device 30 includes a sending module 31 , a judging module 32 , and a synchronous playing module 33 .

Wherein, the sending module 31 is configured to send the playlist of multimedia data in the master device to the slave device, wherein the playlist includes multiple target play items. The slave device can be single or multiple.

It can be understood that, before synchronous playing, the sending module 31 sends the playlist of the multimedia data to be played in the master device to the slave device, wherein the playlist carries multiple target play items. Wherein, the target playback item may include a file name corresponding to the multimedia data, an MD5 (Message-Digest Algorithm 5, message digest algorithm version 5) check code, ID3 information or a link URL, and the like. Among them, the MD5 check code is the check code formed after the multimedia data is encrypted through the hash algorithm, which is unique and can effectively identify the encrypted file. The ID3 is a metadata container, which is mostly used in audio files in MP3 format. The ID3 can store information such as the title of the song, the singer, the album, and the number of tracks in the MP3 file. The link URL may be a link address for acquiring multimedia data from the Internet or cloud storage space.

The judging module 32 is configured to judge whether there is a multimedia file matching the target play item in the slave device.

It can be understood that the judging module 32 judges whether there is a multimedia file matching the target play item in the storage space of the slave device.

Wherein, the storage space of the slave device may be the cache area of the slave device, for example, for the situation that the same multimedia has been played not long ago, there are multimedia file caches that have been played but not cleared in the cache area of the slave device . The storage space of the slave device may also be an external memory, such as a mobile hard disk, a U disk, and the like. The storage space of the slave device may also be a mounted network storage, such as cloud storage space, cloud disk, and the like.

The synchronous playing module 33 further includes a transmitting unit 331 and a synchronous playing unit 332 .

The sending unit 331 is configured to send a synchronous play instruction to the slave device that has matched the same multimedia file when there is no multimedia file matching the target play item in the slave device.

It can be understood that, when there is a multimedia file matching the target play item in the single or multiple slave devices, the matching result is fed back to the master device, and the master device sends the Single or multiple slave devices that have been matched to the same multimedia file are marked with type, for example, marked as X type, and at the same time, the transmission unit 331 transmits the synchronous play instruction to the X type slave that has been matched to the same multimedia file equipment.

The synchronous playing unit 332 is configured to play synchronously with the matched multimedia file in the slave device according to the synchronous playing instruction.

It can be understood that the synchronous playback unit 332 acquires multimedia data from the multimedia files that have been matched by the local device of the single or multiple slave devices, and outputs the multimedia files for synchronization according to the received synchronization instruction play.

The sending unit 331 is further configured to: when there is no multimedia file matching the target play item in the slave device, send the synchronous play instruction and the multimedia data in the master device to the unmatched Slave devices for the same multimedia files.

It can be understood that, when there is no multimedia file matching the target play item in the single or multiple slave devices, the matching result is fed back to the master device, and the master device sends the matching result according to the received The single or multiple slave devices that are not matched to the same multimedia file are marked with type, for example, marked as Y type, and the transmission unit 331 transmits the synchronous play instruction and the multimedia data in the master device to the unmatched Matches to the Y-class slave devices of the same multimedia file.

The synchronous playback unit 332 is further configured to perform synchronous playback with the multimedia data received by the slave device according to the synchronous playback instruction.

It can be understood that the single or multiple slave devices receive multimedia data transmitted from the master device, and the synchronous playback unit 332 outputs the received multimedia data for synchronization according to the received synchronization instruction. play.

Fourth embodiment

Please refer to FIG. 5 . FIG. 5 is a schematic diagram of an operating environment of a multimedia synchronous playback system provided by a fourth embodiment of the present invention. The multimedia synchronous playing system described in this embodiment includes a source device 100 , a master device 200 and at least one slave device 300 . Wherein, the master device 200 and at least one slave device 300 both belong to the playback device. Wherein, the master device 200 establishes a connection with the source device 100 and the slave device 300 through a network, and the slave device 300 establishes a connection with the source device 100 through a network. Wherein, the source device 100 can provide multimedia data to multiple playback devices (such as the master device 200 and at least one slave device 300) through the network, so that the master device 200 and at least one slave device 300 can perform synchronous playback; or The master device 200 is used for receiving the multimedia data sent by the source device 100, and for synchronizing the received multimedia data to the slave device 300, so as to realize synchronous multimedia playback. Likewise, the slave device 300 may feed back synchronization information to the master device 200 or the source device 100 through a network; the master device 200 may feed back synchronization information to the source device 100 through a network. The multimedia synchronous playback system can execute the implementation described in the multimedia synchronous playback method provided in the first embodiment and the second embodiment of the present invention, and can also perform a multimedia synchronous playback method provided in the third embodiment of the present invention The implementation described in the device will not be repeated here.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the embodiment of the present invention, the multimedia synchronous playback device and the multimedia synchronous playback method in the above embodiments belong to the same idea, and the multimedia synchronous playback method provided in the embodiment of the multimedia synchronous playback method can be run on the multimedia synchronous playback device. For any method, its specific implementation process can be found in the embodiment of the multimedia synchronous playback method, and will not be repeated here.

It should be noted that, for the multimedia synchronous playback method described in the present invention, ordinary testers in the field can understand that all or part of the process for realizing the multimedia synchronous playback method described in the embodiment of the present invention can be controlled by computer programs. To accomplish this, the computer program may be stored in a computer-readable storage medium, such as stored in the memory of the terminal, and executed by at least one processor in the terminal, and the execution process may include such as the multimedia synchronization A flow of an embodiment of a playback method. Wherein, the storage medium may be a magnetic disk, an optical disk, a read only memory (ROM, Read Only Memory), a random access memory (RAM, Random Access Memory) and the like.

For the multimedia synchronous playback device in the embodiment of the present invention, its functional modules can be integrated into one processing chip, or each module can exist separately physically, or two or more modules can be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules. If the integrated modules are implemented in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium, such as read-only memory, magnetic disk or optical disk, etc. .

Above, a kind of multimedia synchronous playing method, device and system provided by the embodiment of the present invention have been introduced in detail. In this paper, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only used to help Understand the technical solution and its core idea of the present invention; those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or The replacement does not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. a kind of multimedia synchronous play method it is characterised in that methods described includes：

The target playitem of multi-medium data in main control device is sent to slave；

Judge to whether there is the multimedia file mating with described target playitem in described slave；

When there is the multimedia file mating with described target playitem in described slave, call described slave In the multimedia file that mates of already present and described target playitem synchronize broadcasting.

2. multimedia synchronous according to claim 1 play method it is characterised in that described when depositing in described slave In the multimedia file mating with described target playitem, already present and described target in described slave is called to broadcast The multimedia file putting entries match synchronizes broadcasting, specifically includes：

When there is the multimedia file mating with described target playitem in described slave, synchronous play instruction is passed The slave of identical multimedia file has been matched described in delivering to；

Multimedia file according to having matched in described synchronous play instruction and described slave synchronizes broadcasting.

3. multimedia synchronous according to claim 1 play method it is characterised in that in the described slave of described judgement With the presence or absence of the multimedia file matching with described target playitem, also include：

When there is not the multimedia file mating with described target playitem in described slave, then described master control is set Multimedia data transmission in standby to described slave synchronizes broadcasting.

4. multimedia synchronous according to claim 3 play method it is characterised in that described when in described slave not When there is the multimedia file mating with described target playitem, then by the multimedia data transmission in described main control device extremely Described slave synchronizes broadcasting, specifically includes：

When there is not the multimedia file mating with described target playitem in described slave, by synchronous play instruction And the multimedia data transmission in described main control device is to the described slave not matching identical multimedia file；

Broadcasting is synchronized according to the multi-medium data that described synchronous play instruction is received with described slave.

5. multimedia synchronous according to any one of Claims 1-4 play method it is characterised in that

The described target playitem by multi-medium data in main control device is sent to slave, specifically includes：

The playlist of multi-medium data in main control device is sent to slave, wherein, described playlist includes many Bar target playitem.

6. a kind of multimedia synchronous play device it is characterised in that described device includes：

Sending module, for being sent to slave by the target playitem of multi-medium data in main control device；

Judge module, for judging to whether there is the multimedia literary composition mating with described target playitem in described slave Part；

Synchronous playing module, for the multimedia file mating with described target playitem when presence in described slave When, call the multimedia file that in described slave, already present and described target playitem is mated to synchronize broadcasting.

7. multimedia synchronous according to claim 6 play device it is characterised in that described synchronous playing module, also wrap Include：

Delivery unit, for when there is the multimedia file mating with described target playitem in described slave, inciting somebody to action Synchronous play instruction has matched the slave of identical multimedia file described in being sent to；

Synchronous broadcast unit, for according to the multimedia file having matched in described synchronous play instruction and described slave Synchronize broadcasting.

8. multimedia synchronous according to claim 6 play device it is characterised in that described synchronous playing module, also use In when there is not the multimedia file mating with described target playitem in described slave, then by described main control device In multi-medium data send and synchronize broadcasting to described slave.

9. multimedia synchronous according to claim 8 play device it is characterised in that described synchronous playing module, also wrap Include：

, for when there is not the multimedia file mating with described target playitem in described slave in described delivery unit When, the multimedia data transmission in synchronous play instruction and described main control device is not matched identical multimedia to described The slave of file；

Described synchronous broadcast unit, for the multi-medium data being received with described slave according to described synchronous play instruction Synchronize broadcasting.

10. a kind of multimedia synchronous Play System is it is characterised in that include source device, main control device and at least one subordinate Equipment, wherein, described main control device is passed through network and is connected with described source device and the foundation of described slave, described main control device For receiving the multi-medium data that described source device sends, and set for the multi-medium data receiving is synchronized to described subordinate Standby, described system adopts the method described in any one of claim 1 to 5 to realize.