CN202772917U - Multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology - Google Patents
Multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology Download PDFInfo
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- CN202772917U CN202772917U CN 201120121490 CN201120121490U CN202772917U CN 202772917 U CN202772917 U CN 202772917U CN 201120121490 CN201120121490 CN 201120121490 CN 201120121490 U CN201120121490 U CN 201120121490U CN 202772917 U CN202772917 U CN 202772917U
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Abstract
The utility model provides a multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology. The multimedia-file split-type multi-channel synchronized broadcast implement system based on the wireless transmission technology includes a wireless local area network and at least two multimedia-file broadcast devices provided with wireless communication modules and capable of programming. Each of the two multimedia-file broadcast devices provided with wireless communication modules and capable of programming includes a power source, and a main circuit board, a central processing unit, a storage unit, a wireless signal transmitting and receiving module and an audio-video decoding and outputting module connected with each other through circuits. The multimedia-file broadcast devices provided with wireless communication modules and capable of programming realize data transmission through the wireless communication modules and realize the decoding and the outputting of audio-video synchronously through the audio-video decoding and outputting modules. The multimedia-file split-type multi-channel synchronized broadcast implement system based on the wireless transmission technology provided by the utility model has the following advantages that the split-type multi-channel synchronous broadcasting can be realized through the multimedia-file broadcast devices provided with wireless communication modules and capable of programming and the multi-channel stereo multimedia-file broadcasting can be completely realized; and the sharing of multimedia files can be realized in the meantime of realizing the split-type multi-channel synchronous broadcasting.
Description
Technical field
The utility model relates to the Radio Transmission Technology application and the digital multimedia entertainment technologies realizes the field, and particularly the split type multi-channel synchronous of a kind of multimedia file based on Radio Transmission Technology is play the realization system.
Background technology
Existing bluetooth (BT) and WIFI/WAPI (Wireless Fidelity/WLAN Authentication and Privacy Infrastructure) technology have been widely used in various electronic, substantially become one of standard configuration on mobile device, audio/video decoding is the most function on basis of mobile device basically.Because the convenience that mobile device carries is so that its importance aspect multimedia recreation is very outstanding.
At present, nearly all mobile device has the multimedia file playing function that carries on the market, but be subject to the size of mobile device volume, the boombox of numerous mobile devices mostly is mono speaker, can't reach real stereophonic effect during the play multimedia file.
The utility model content
For realizing the multi-channel synchronous broadcast, the utility model provides the split type multi-channel synchronous of a kind of multimedia file based on Radio Transmission Technology to play the realization system.
The utility model is play the realization system based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology, comprise that WLAN (wireless local area network) and two or more are with the programmable multimedia file playback equipment of wireless communication module, wherein each comprises the main circuit board that power supply and the circuit of being connected connect with the programmable multimedia file playback equipment of wireless communication module, central authorities' processing elements, memory cell, the wireless signal transceiver module, Voice ﹠ Video decoding output module, described wireless signal transceiver module comprises bluetooth module and WIFI/WAPI module, bluetooth module comprises Bluetooth chip and the Bluetooth antenna that mutual circuit connects, the WIFI/WAPI module comprises WIFI/WAPI chip and the WIFI/WAPI antenna that mutual circuit connects, described audio frequency output module comprises audio decoder and loud speaker, and described video output module comprises Video Decoder and display screen;
Described two or more are set up signal with the programmable multimedia file playback equipment of wireless communication module by bluetooth module and are connected and the transmission of data, and play by the split type multi-channel synchronous of finishing multimedia file with the programmable multimedia file playback equipment of wireless communication module;
Perhaps, two or more are connected with the WIFI/WAPI module by WLAN (wireless local area network) with the programmable multimedia file playback equipment of wireless communication module and connect and the transmission of data, and play by the split type multi-channel synchronous of finishing multimedia file with the programmable multimedia file playback equipment of wireless communication module.
As optimal technical scheme of the present utility model, describedly comprise mobile phone, PDA, panel computer or notebook computer with the programmable multimedia file playback equipment of wireless communication module.
Adopt the utility model to play the implementation method of realization system based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology, the method may further comprise the steps:
Step 1: first with the programmable multimedia file playback equipment of wireless communication module by bluetooth module access second with the programmable multimedia file playback equipment of wireless communication module, and whether inquiry receives the first data and request of Play Control command with the programmable multimedia file playback equipment of wireless communication module;
Perhaps first with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module accesses second with the programmable multimedia file playback equipment of wireless communication module, whether inquiry receives the first data and request of Play Control command with the programmable multimedia file playback equipment of wireless communication module;
Step 2: if second agree to transmit with the programmable multimedia file playback equipment of wireless communication module, then first with the audio/video multimedia file of the programmable multimedia file playback equipment selection of wireless communication module needs broadcast and with multimedia file title and file Hash codes, is transferred to second with the programmable multimedia file playback equipment of wireless communication module by bluetooth module;
Perhaps second agrees to transmit with the programmable multimedia file playback equipment of wireless communication module, then first with the audio/video multimedia file of the programmable multimedia file playback equipment selection of wireless communication module needs broadcast and with multimedia file title and file Hash codes, is transferred to second with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module;
Step 3: second receives the first multimedia file name and file Hash codes that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, according on multimedia file name and the file Hash codes scanning current device whether this document being arranged, behind the end of scan, second is transferred to first with wireless communication module programmable multimedia file playback equipment by bluetooth module with certain signal specific with the programmable multimedia file playback equipment of wireless communication module;
Perhaps second receive the first multimedia file name and file Hash codes that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, according on multimedia file name and the Hash codes scanning current device whether this document being arranged, behind the end of scan, second is transferred to first with wireless communication module programmable multimedia file playback equipment by WLAN (wireless local area network) and WIFI/WAPI module with certain signal specific with the programmable multimedia file playback equipment of wireless communication module;
Step 4: first receives the second signal that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, judge second with whether corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module according to signal, if second with corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module, then play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, if second with there not being corresponding multimedia file on the programmable multimedia file playback equipment of wireless communication module, then with the multimedia file of current appointment, play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module;
Perhaps first receive the second signal that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, judge according to signal whether second have corresponding multimedia file with the programmable multimedia file playback equipment of wireless communication module, if second with corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module, then play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, if second with there not being corresponding multimedia file on the programmable multimedia file playback equipment of wireless communication module, then with the multimedia file of current appointment, play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module;
Step 5: second receives the first data that transmit with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, if what receive is play instruction and timestamp, the signal that then will begin played file is transferred to first with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, and after the time of timestamp appointment with the appointment sound channel of beginning play multimedia file, if what receive is multimedia file, play instruction and timestamp, the signal that then will begin played file by bluetooth module after finishing receiving is transferred to first with the programmable multimedia file playback equipment of wireless communication module, and begins to play the appointment sound channel of this multimedia file after the time of timestamp appointment;
Perhaps second receive the first data that transmit with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, if what receive is play instruction and timestamp, the signal that then will begin played file is transferred to first with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, and after the time of timestamp appointment, begin the appointment sound channel of play multimedia file, if what receive is multimedia file, play instruction and timestamp, the signal that then will begin played file by WLAN (wireless local area network) and WIFI/WAPI module after accepting to finish is transferred to first with the programmable multimedia file playback equipment of wireless communication module, and begins to play the appointment sound channel of this multimedia file after the fixed time at timestamp.
Step 6: first receives the second instruction that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, begins the appointment sound channel of play multimedia file after the time of timestamp appointment;
Perhaps first receive the second instruction that transmits with the programmable multimedia file playback equipment of wireless communication module, the appointment sound channel of beginning play multimedia file after the time of timestamp appointment with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module.
Step 7: the first progress msg of current multimedia file being play by bluetooth module every certain time length with the programmable multimedia file playback equipment of wireless communication module is transferred to second with the programmable multimedia file playback equipment of wireless communication module in the playing process;
Perhaps in the playing process, the first progress msg of current multimedia file being play by WLAN (wireless local area network) and WIFI/WAPI module every certain time length with the programmable multimedia file playback equipment of wireless communication module is transferred to second with the programmable multimedia file playback equipment of wireless communication module.
Step 8: second receives the first multimedia file playing progress rate information that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module in the playing process, according to first with the synchronous progress play of self multimedia file of the multimedia progress of the programmable multimedia file playback equipment of wireless communication module;
Perhaps second receive the first multimedia file playing progress rate information that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module in the playing process, according to first with the synchronous progress play of self multimedia file of the multimedia progress of the programmable multimedia file playback equipment of wireless communication module.
Step 9: constantly circulation step seven and step 8 in playing process, until multimedia file finishes playing, first is returned to initial condition with the programmable multimedia file playback equipment of wireless communication module and second with the programmable multimedia file playback equipment of wireless communication module.
As optimal technical scheme of the present utility model, in the described step 1 first with the programmable multimedia file playback equipment of wireless communication module by SPP protocol access second with the programmable multimedia file playback equipment of wireless communication module;
Perhaps first with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, send and the monitoring broadcast data packet, judge whether have other equipment can communicate and transfer of data in the local area network (LAN) by packet content.
As optimal technical scheme of the present utility model, in the described step 2, three, four, five, six, seven, eight first passed through SSP agreement, the binary stream of transmitting multimedia file, Play Control signal character and timestamp with the programmable multimedia file playback equipment of wireless communication module and the second bluetooth module with the programmable multimedia file playback equipment of wireless communication module;
Perhaps first in the described step 2, three, four, five, six, seven, eight passed through Socket, the binary stream of transmitting multimedia file, Play Control signal character and timestamp with the programmable multimedia file playback equipment of wireless communication module by the WIFI/WAPI module with the programmable multimedia file playback equipment of wireless communication module and second.
The utlity model has following advantage: 1, multichannel is play, traditional playing with the programmable multimedia file playback equipment of wireless communication module generally can only be play single multimedia file by individual equipment, and the utility model can be realized split type multi-channel synchronous broadcast with the programmable multimedia file playback equipment of wireless communication module by a plurality of, realizes the broadcast of multichannel sterego multimedia file fully; 2, file-sharing when realizing that split type multi-channel synchronous is play, has been finished sharing of multimedia file.
Description of drawings
Fig. 1 is the utility model is play the realization system based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology topological diagram;
Fig. 2 is the circuit block diagram with the programmable multimedia file playback equipment of wireless communication module;
Fig. 3 is the client-side program flow chart that uses bluetooth;
Fig. 4 is the client-side program flow chart that uses WIFI/WAPI;
Fig. 5 is the serve end program flow chart that uses bluetooth;
Fig. 6 is the serve end program flow chart that uses WIFI/WAPI.
Embodiment
Below in conjunction with embodiment the utility model is play the realization system and method based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology and do detailed explanation.
Fig. 1 is the utility model is play the realization system based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology topological diagram, play the realization system based on the split type multi-channel synchronous of the multimedia file of Radio Transmission Technology, comprise two or more with wireless communication module with the programmable multimedia file playback equipment of wireless communication module and WLAN (wireless local area network), wherein each comprises the main circuit board of power supply and mutual circuit link with the programmable multimedia file playback equipment of wireless communication module, central authorities' processing elements, memory cell, the wireless signal transceiver module, Voice ﹠ Video decoding output module (seeing Fig. 2), the wireless signal transceiver module comprises bluetooth module and WIFI/WAPI (Wireless Fidelity/WLAN Authentication and PrivacyInfrastructure) module, bluetooth module comprises Bluetooth chip and the Bluetooth antenna that mutual circuit connects, the WIFI/WAPI module comprises WIFI/WAPI chip and the WIFI/WAPI antenna that mutual circuit connects, described audio frequency output module comprises audio decoder and loud speaker, and described video output module comprises Video Decoder and display screen.In the present embodiment, describedly comprise mobile phone, PDA, panel computer or notebook computer with the programmable multimedia file playback equipment of wireless communication module.
Play the realization system based on the split type multi-channel synchronous of the multimedia of Radio Transmission Technology, the implementation method of this system may further comprise the steps (seeing Fig. 3, Fig. 4):
Step 1: first starts client and opens bluetooth with the programmable multimedia file playback equipment of wireless communication module, transmitted signal inquiry second is with the programmable multimedia file playback equipment of wireless communication module, whether inquiry allows to connect and carry out transfer of data, second starts client and opens bluetooth with the programmable multimedia file playback equipment of wireless communication module and create service with specific UUID, waits for that the active of other equipment connects;
Perhaps first starts client and opens the WIFI/WAPI module with the programmable multimedia file playback equipment of wireless communication module, by WLAN (wireless local area network) and WIFI/WAPI module, send self-defined broadcast data packet, whether inquiry second allows to connect and the transmission of data with the programmable multimedia file playback equipment of wireless communication module, second starts client and opens the WIFI/WAPI module with the programmable multimedia file playback equipment of wireless communication module, create service by particular port, wait for that other equipment initiatively connect;
Step 2: if second allow to connect and the transmission of data with the programmable multimedia file playback equipment of wireless communication module, then first will specify filename and the Hash codes of the multimedia file of need playing with the programmable multimedia file playback equipment of wireless communication module, give second with the programmable multimedia file playback equipment of wireless communication module by Bluetooth transmission;
Perhaps, if second with wireless communication module programmable multimedia file playback equipment permission connection and the transmission of data, then first will specify filename and the Hash codes of the multimedia file of need playing with the programmable multimedia file playback equipment of wireless communication module, be transferred to second with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module;
Step 3: second receives the first multimedia file name and file Hash codes that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, according on multimedia file name and the file Hash codes scanning current device whether this document being arranged, behind the end of scan, second is transferred to first with wireless communication module programmable multimedia file playback equipment by bluetooth module with certain signal specific with the programmable multimedia file playback equipment of wireless communication module;
Perhaps second receive the first multimedia file name and file Hash codes that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, according on multimedia file name and the Hash codes scanning current device whether this document being arranged, behind the end of scan, second is transferred to first with wireless communication module programmable multimedia file playback equipment by WLAN (wireless local area network) and WIFI/WAPI module with certain signal specific with the programmable multimedia file playback equipment of wireless communication module;
Step 4: first receives the second signal that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, judge second with whether corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module according to signal, if second with corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module, then play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, if second with there not being corresponding multimedia file on the programmable multimedia file playback equipment of wireless communication module, then with the multimedia file of current appointment, play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module;
Perhaps first receive the second signal that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, judge according to signal whether second have corresponding multimedia file with the programmable multimedia file playback equipment of wireless communication module, if second with corresponding multimedia file is arranged on the programmable multimedia file playback equipment of wireless communication module, then play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, if second with there not being corresponding multimedia file on the programmable multimedia file playback equipment of wireless communication module, then with the multimedia file of current appointment, play instruction and timestamp are transferred to second with the programmable multimedia file playback equipment of wireless communication module;
Step 5: second receives the first data that transmit with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, if what receive is play instruction and timestamp, the signal that then will begin played file is transferred to first with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, and after the time of timestamp appointment, begin the appointment sound channel of play multimedia file, if what receive is multimedia file, play instruction and timestamp, the signal that then will begin played file by bluetooth module after finishing receiving is transferred to first with the programmable multimedia file playback equipment of wireless communication module, and begins to play the appointment sound channel of this multimedia file after the time of timestamp appointment;
Perhaps second receive the first data that transmit with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, if what receive is play instruction and timestamp, the signal that then will begin played file is transferred to first with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, and after the time of timestamp appointment, begin the appointment sound channel of play multimedia file, if what receive is multimedia file, play instruction and timestamp, the signal that then will begin played file by WLAN (wireless local area network) and WIFI/WAPI module after accepting to finish is transferred to first with the programmable multimedia file playback equipment of wireless communication module, and begins to play the appointment sound channel of this multimedia file after the fixed time at timestamp.
Step 6: first receives the second instruction that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module, begins the appointment sound channel of play multimedia file after the time of timestamp appointment;
Perhaps first receive the second instruction that transmits with the programmable multimedia file playback equipment of wireless communication module, the appointment sound channel of beginning play multimedia file after the time of timestamp appointment with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module.
Step 7: the first progress msg of current multimedia file being play by bluetooth module every certain time length with the programmable multimedia file playback equipment of wireless communication module is transferred to second with the programmable multimedia file playback equipment of wireless communication module in the playing process;
Perhaps in the playing process, the first progress msg of current multimedia file being play by WLAN (wireless local area network) and WIFI/WAPI module every certain time length with the programmable multimedia file playback equipment of wireless communication module is transferred to second with the programmable multimedia file playback equipment of wireless communication module.
Step 8: second receives the first multimedia file playing progress rate information that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by bluetooth module in the playing process, according to first with the synchronous progress play of self multimedia file of the multimedia progress of the programmable multimedia file playback equipment of wireless communication module;
Perhaps second receive the first multimedia file playing progress rate information that transmits with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module in the playing process, according to first with the synchronous progress play of self multimedia file of the multimedia progress of the programmable multimedia file playback equipment of wireless communication module.
Step 9: constantly circulation step seven and step 8 in playing process, until multimedia file finishes playing, first is returned to initial condition with the programmable multimedia file playback equipment of wireless communication module and second with the programmable multimedia file playback equipment of wireless communication module.
In the present embodiment, in the described step 1 first with the programmable multimedia file playback equipment of wireless communication module by SPP protocol access second with the programmable multimedia file playback equipment of wireless communication module; Perhaps first send the form inquiry second of broadcast data packet with the programmable multimedia file playback equipment of wireless communication module with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module; In the step 2, three, four, five, six, seven, eight, nine, first with the programmable multimedia file playback equipment of wireless communication module and second with sending self-defined signal stream by the SSP agreement between the programmable multimedia file playback equipment of wireless communication module, perhaps first with the programmable multimedia file playback equipment of wireless communication module and second with the programmable multimedia file playback equipment of wireless communication module by WLAN (wireless local area network) and WIFI/WAPI module, connect the transmission carry out self-defined signal stream with Socket.
Method flow of the present utility model is as follows, such as Fig. 3, shown in Figure 4, at first open client with wireless communication module in the programmable multimedia file playback equipment first, the multimedia file that selection will be play, it can be single multimedia file, also can be a plurality of multimedia files, then select split type multichannel play mode, and select bluetooth or WIFI/WAPI as wireless transmission method, around then beginning to survey other with wireless transport module with the programmable multimedia file playback equipment of wireless communication module, behind selection equipment, bring into use the SPP agreement of bluetooth with method, apparatus is connected and transmit the inquiry data, perhaps bringing into use WLAN (wireless local area network) to be connected the self-defining data bag with the WIFI/WAPI module attempts connecting, if the other side agrees to begin to connect and receive Play Control, prompting user, can begin to select multimedia file to play, the user selection file, click " beginning to play " afterwards, equipment is given media file name and the self-defined signal stream of Hash codes to method, apparatus by bluetooth SPP protocol transmission, perhaps equipment is transferred to media file name and the self-defined signal stream of Hash codes to method, apparatus by WLAN (wireless local area network) and WIFI/WAPI module, wait for the other side's response, in the self-defined signal stream that the other side returns, if indicate this media file is arranged on the method, apparatus, then the self-defined signal of Play Control information is streaming to method, apparatus, if indicate on the method, apparatus without this media file, then this media file and the self-defined signal of Play Control information are streaming to method, apparatus, wait for the other side's response, the other side returns the self-defined signal stream that begins to enter broadcast state, begin to play synchronously the particular channel of specifying media file at the appointed time, in playing process, at set intervals, current broadcast state information is streaming to method, apparatus with self-defined signal, after finishing playing, revert to initial condition.
Such as Fig. 5, shown in Figure 6, create the Socket service with particular port when creating service or opening WIFI/WAPI with specific UUID when opening bluetooth, wait for the connection of other equipment, when SPP service or Socket termination have been received connection, eject the connection of whether agreeing method, apparatus, after the user selection "Yes", to agree that the self-defined signal that connects is streaming to method, apparatus, after the successful connection, keep the service listening state, when the self-defined signal stream that receives other device transmission, if comprise multimedia file in the self-defined signal stream, then multimedia file is saved to ad-hoc location, the state information of then equipment having been prepared to begin to play is streaming to self-defined signal goes forward side by side into the particular channel broadcast state to method, apparatus, in the process of playing, monitoring receives the self-defined signal stream of Play Control to the transfer of data of method, apparatus, adjusts the current broadcast state of equipment according to the Play Control information in the self-defined signal stream, after finishing playing, revert to initial condition.
The realization part of the self-defined signal stream of wireless transmission is as follows in the split type multi-channel synchronous player method of the utility model multimedia file:
Controlling party is transmitted according to the following steps and is made signal stream by oneself:
1: send the self-defined signal of attempting connecting and flow, comprise the identification code of self, bluetooth recognition code (MAC) or IP address;
2: send playlist information, comprising the size of the number of specifying media file and each media file and the corresponding self-defined signal stream of unique identifier (MD5);
3: receive the other side's device scan result and make signal stream by oneself;
4: according to the other side's scanning result send the self-defined signal stream of Play Control information or send comprise multimedia file and Play Control information make signal stream by oneself;
5: receive the self-defined signal that method, apparatus is prepared to play and flow;
6: in playing process, at set intervals the self-defined signal stream of current playing progress rate information is sent to method, apparatus, until finish;
7: according to multimedia file number in the playlist, circle transmission;
8: finish.
The controlled party clicks step and transmits self-defined signal stream:
1: receive the self-defined signal stream that the controlling party request connects;
2: input according to the user and to send self-defined information and flow to method, apparatus;
3: receive controlling party playlist self-defined information stream, scan according to playlist information, after the scanning, the result is transferred to method, apparatus;
4: receive the self-defined signal stream of controlling party Play Control information, when the device plays state is ready, the self-defined signal stream of current state information is sent to method, apparatus;
5: receive the self-defined signal stream of controlling party Play Control information in the playing process, until finish;
6: according to multimedia file number in the playlist, circle transmission;
7: finish.
Claims (4)
1. the split type multi-channel synchronous of the multimedia file based on Radio Transmission Technology is play the realization system, comprise WLAN (wireless local area network) and with the programmable multimedia file playback equipment of wireless communication module, it is characterized in that: describedly be at least two with the programmable multimedia file playback equipment of wireless communication module, each equipment comprises the main circuit board that power supply and the circuit of being connected connect, CPU, memory cell, the wireless signal transceiver module, the Voice ﹠ Video output module, described wireless signal transceiver module comprises bluetooth module and WIFI/WAPI module, bluetooth module comprises interconnective Bluetooth chip and Bluetooth antenna, the WIFI/WAPI module comprises WIFI/WAPI chip and the WIFI/WAPI antenna that mutual circuit connects, described audio frequency output module comprises audio decoder and loud speaker, and described video output module comprises Video Decoder and display screen.
2. the split type multi-channel synchronous of the multimedia file based on Radio Transmission Technology according to claim 1 is play the realization system, it is characterized in that: describedly set up signal with the programmable multimedia file playback equipment of wireless communication module by bluetooth module more than at least two and connect and the transmission of data and Play Control instruction;
Perhaps, describedly use WLAN (wireless local area network) to be connected signal with WIFI/WAPI with the programmable multimedia file playback equipment of wireless communication module by the WIFI/WAPI module more than at least two to connect and the transmission of data and Play Control instruction.
3. the split type multi-channel synchronous of the multimedia file based on Radio Transmission Technology according to claim 1 is play the realization system, it is characterized in that: describedly comprise mobile phone, PDA, panel computer or notebook computer with the programmable multimedia file playback equipment of wireless communication module.
4. the split type multi-channel synchronous of the multimedia file based on Radio Transmission Technology according to claim 1 is play the realization system, it is characterized in that: first communicates with the programmable multimedia file playback equipment of wireless communication module by wireless communication module and second with the programmable multimedia file playback equipment of wireless communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120121490 CN202772917U (en) | 2011-04-22 | 2011-04-22 | Multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology |
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| CN 201120121490 CN202772917U (en) | 2011-04-22 | 2011-04-22 | Multimedia-file split-type multi-channel synchronized broadcast implement system based on wireless transmission technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357604A (en) * | 2014-04-30 | 2016-02-24 | 密克罗奇普技术公司 | Audio playing device with Bluetooth function and audio playing method |
| CN112039623A (en) * | 2020-11-05 | 2020-12-04 | 深圳市汇顶科技股份有限公司 | Audio synchronous playing method, device, equipment and storage medium |
| US11240586B1 (en) | 2020-11-05 | 2022-02-01 | Shenzhen Goodix Technology Co Ltd. | Method, apparatus and device for synchronously playing audio |
-
2011
- 2011-04-22 CN CN 201120121490 patent/CN202772917U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357604A (en) * | 2014-04-30 | 2016-02-24 | 密克罗奇普技术公司 | Audio playing device with Bluetooth function and audio playing method |
| CN112039623A (en) * | 2020-11-05 | 2020-12-04 | 深圳市汇顶科技股份有限公司 | Audio synchronous playing method, device, equipment and storage medium |
| CN112039623B (en) * | 2020-11-05 | 2021-05-18 | 深圳市汇顶科技股份有限公司 | Audio synchronous playing method, device, equipment and storage medium |
| US11240586B1 (en) | 2020-11-05 | 2022-02-01 | Shenzhen Goodix Technology Co Ltd. | Method, apparatus and device for synchronously playing audio |
| US11632617B2 (en) | 2020-11-05 | 2023-04-18 | Shenzhen GOODIX Technology Co., Ltd. | Method, apparatus and device for synchronously playing audio |
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