CN109257641B - Audio and video synchronization method and system in wireless screen transmission - Google Patents
Audio and video synchronization method and system in wireless screen transmission Download PDFInfo
- Publication number
- CN109257641B CN109257641B CN201811028804.7A CN201811028804A CN109257641B CN 109257641 B CN109257641 B CN 109257641B CN 201811028804 A CN201811028804 A CN 201811028804A CN 109257641 B CN109257641 B CN 109257641B
- Authority
- CN
- China
- Prior art keywords
- data
- audio
- video
- video data
- audio data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
Abstract
The invention provides an audio and video synchronization method in a wireless screen transmission, which comprises the following steps: step S10, the sending end collects audio data and video data, carries out first synchronous processing on the audio data and the video data, and simultaneously codes the processed audio data and the processed video data and sends the coded audio data and the coded video data to the screen transmitter; step S20, the screen transmitter performs second synchronous processing on the received audio data and video data, and sends the processed audio data and video data to the receiving end; step S30, the receiving end carries out third synchronous processing on the received audio data and video data, decodes the audio data and the video data and then respectively sends the decoded audio data and video data to an audio player and a video player for playing; the invention also provides an audio and video synchronization system in the wireless screen transmission. The invention has the advantages that: the problem that audio data and video data are not synchronous in the screen transmission process is solved.
Description
Technical Field
The invention relates to the technical field of computer information processing, in particular to a method and a system for synchronizing audio and video in a wireless screen transmission.
Background
With the advancement of science and technology, video conferencing and remote communication become more and more common, and when an enterprise or an individual uses a video conferencing system for remote communication, the enterprise or the individual needs to share corresponding contents through a wireless screen transmission technology to perform a demonstration operation. The wireless screen transmission technology mainly realizes that the content and sound displayed on the screen of the source end device are transmitted to a receiving end device such as a projector, a television or a conference flat plate for playing and displaying.
However, the conventional wireless screen transmission technology is a method of sampling and recording audio data and video data, respectively, then encoding the audio data and the video data by using respective encoding algorithms, and transmitting the audio data and the video data, respectively. The traditional method has the following defects: one is that the encoding is performed by respective encoding algorithms, so that the encoding time of the audio data is different from the encoding time of the video data, and the audio data and the video data are easy to play asynchronously; the other is that audio data and video data are transmitted respectively, which easily causes different transmission time delays of the audio data and the video data, and the time delay difference is larger under the condition of insufficient CPU performance, so that synchronization of the audio data and the video data received by a receiving end device cannot be ensured.
Through retrieval, the Chinese invention patent with application date of 2017.07.07 and application number of 201710549300.9 discloses a plug-and-play one-key operation local area network wireless screen transmission operator, a system and a method. This patent adopts USB to pass the screen operation ware and carries out wireless biography screen after establishing wireless connection between sending end and receiving terminal, and this patent exists following defect: there is no provision for ensuring that the audio data is synchronized with the video data.
Disclosure of Invention
One of the technical problems to be solved by the present invention is to provide a method for synchronizing audio and video in a wireless screen transmission, which is used to solve the problem that audio data and video data are not synchronized in the screen transmission process.
The invention realizes one of the technical problems as follows: a method for synchronizing audio and video in wireless screen transmission comprises the following steps:
step S10, the sending end collects audio data and video data, carries out first synchronous processing on the audio data and the video data, and simultaneously codes the processed audio data and the processed video data and sends the coded audio data and the coded video data to the screen transmitter;
step S20, the screen transmitter performs second synchronous processing on the received audio data and video data, and sends the processed audio data and video data to the receiving end;
step S30, the receiving end performs a third synchronization process on the received audio data and video data, decodes the audio data and video data, and sends the decoded audio data and video data to the audio player and video player respectively for playing.
Further, the step S10 is specifically:
step S11, after the sending end collects the audio data and the video data, adding a data collection time stamp into the audio data and the video data, and performing first synchronous processing;
step S12, the sending end encodes the audio data and the video data added with the time stamp;
and step S13, the sending end sends the coded audio data and video data to the screen transmitter.
Further, the step S20 is specifically:
step S21, after the screen transmitter receives the audio data and the video data, repackaging the audio data and the video data with the same time stamp, and performing second synchronous processing;
step S22, the screen transmitter transmits the repackaged audio data and video data to the receiving end.
Further, the step S30 is specifically:
step S31, after the receiving end receives the audio data and the video data, according to the audio data which needs to be played at present, the corresponding video data is searched through the timestamp, and the third synchronous processing is carried out;
and step S32, the receiving end decodes the audio data and the video data and then sends the decoded audio data and video data to a corresponding player for playing.
The second technical problem to be solved by the present invention is to provide an audio and video synchronization system in a wireless screen transmission, which is used to solve the problem that audio data and video data are not synchronized in the screen transmission process.
The invention realizes the second technical problem in the following way: an audio and video synchronization system in wireless screen transmission, the system comprises the following modules:
the audio and video acquisition module is used for acquiring audio data and video data by a sending end, performing first synchronous processing on the audio data and the video data, and meanwhile, encoding the processed audio data and the processed video data and sending the encoded audio data and the encoded video data to the screen transmitter;
the audio and video screen transmission module is used for the screen transmitter to perform second synchronous processing on the received audio data and video data and send the processed audio data and video data to the receiving end;
and the audio and video playing module is used for performing third synchronous processing on the received audio data and video data by the receiving end, decoding the audio data and the video data and then respectively sending the decoded audio data and video data to the audio player and the video player for playing.
Further, the audio/video acquisition module specifically includes:
the time stamping unit is used for adding a time stamp for data acquisition into the audio data and the video data after the audio data and the video data are acquired by the transmitting end, and performing first synchronous processing;
the encoding unit is used for encoding the audio data and the video data added with the time stamp by the sending end;
and the coded audio/video transmitting unit is used for transmitting the coded audio data and video data to the screen transmitter by the transmitting end.
Further, the audio and video screen transmission module specifically includes:
the transmission synchronization unit is used for repackaging the audio data and the video data with the same timestamp after the screen transmitter receives the audio data and the video data, and performing second synchronization processing;
and the screen transmitter data sending unit is used for sending the repackaged audio data and video data to the receiving end by the screen transmitter.
Further, the audio/video playing module specifically includes:
the playing synchronization unit is used for searching the corresponding video data through the timestamp according to the audio data needing to be played at present after the receiving end receives the audio data and the video data, and performing third synchronization processing; and the audio and video decoding and playing unit is used for the receiving end to decode the audio data and the video data and then send the decoded audio data and video data to the corresponding player for playing.
The invention has the advantages that:
1. through first synchronization module, second synchronization module and third synchronization module, solved and passed the problem of screen in-process audio data and video data asynchronization.
2. The time stamps for data acquisition are added into the audio data and the video data through the first synchronization module, so that the audio data and the video data have synchronous basis during playing.
3. And repackaging the audio data and the video data with the same time stamp through a second synchronization module to realize the synchronization of the audio data and the video data in the transmission process.
4. And searching corresponding video data through the time stamp according to the audio data needing to be played currently through the third synchronization module, so as to realize the synchronization of the audio data and the video data.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of the circuit of the audio and video synchronization method and system in the wireless screen transmission of the present invention.
Detailed Description
Referring to fig. 1, a preferred embodiment of the audio and video synchronization method in a wireless screen transmission of the present invention includes the following steps:
step S10, the sending end collects audio data and video data, carries out first synchronous processing on the audio data and the video data, and simultaneously codes the processed audio data and the processed video data and sends the coded audio data and the coded video data to the screen transmitter;
step S20, the screen transmitter performs second synchronous processing on the received audio data and video data, and sends the processed audio data and video data to the receiving end;
step S30, the receiving end performs a third synchronization process on the received audio data and video data, decodes the audio data and video data, and sends the decoded audio data and video data to the audio player and video player respectively for playing.
The step S10 specifically includes:
step S11, after the sending end collects the audio data and the video data, adding a data collection time stamp into the audio data and the video data, and performing first synchronous processing; the audio data and the video data have synchronous basis during playing;
step S12, the sending end encodes the audio data and the video data added with the time stamp;
and step S13, the sending end sends the coded audio data and video data to the screen transmitter.
The step S20 specifically includes:
step S21, after the screen transmitter receives the audio data and the video data, repackaging the audio data and the video data with the same time stamp, and performing second synchronous processing; the synchronization of the audio data and the video data in the transmission process is realized;
step S22, the screen transmitter wirelessly transmits the repackaged audio data and video data to the receiving end.
The step S30 specifically includes:
step S31, after the receiving end receives the audio data and the video data, according to the audio data which needs to be played at present, the corresponding video data is searched through the time stamp, if the packet loss exists, the video data with the closest time stamp is searched, and the third synchronous processing is carried out; searching corresponding video data through the timestamp to realize the synchronization of playing the audio data and the video data;
and step S32, the receiving end decodes the audio data and the video data and then sends the decoded audio data and video data to a corresponding player for playing.
The invention discloses a preferred embodiment of an audio and video synchronization system in a wireless screen transmission, which comprises the following modules:
the audio and video acquisition module is used for acquiring audio data and video data by a sending end, performing first synchronous processing on the audio data and the video data, and meanwhile, encoding the processed audio data and the processed video data and sending the encoded audio data and the encoded video data to the screen transmitter;
the audio and video screen transmission module is used for the screen transmitter to perform second synchronous processing on the received audio data and video data and send the processed audio data and video data to the receiving end;
and the audio and video playing module is used for performing third synchronous processing on the received audio data and video data by the receiving end, decoding the audio data and the video data and then respectively sending the decoded audio data and video data to the audio player and the video player for playing.
The audio and video acquisition module specifically comprises:
the time stamping unit is used for adding a time stamp for data acquisition into the audio data and the video data after the audio data and the video data are acquired by the transmitting end, and performing first synchronous processing; the audio data and the video data have synchronous basis during playing;
the encoding unit is used for encoding the audio data and the video data added with the time stamp by the sending end;
and the coded audio/video transmitting unit is used for transmitting the coded audio data and video data to the screen transmitter by the transmitting end.
The audio and video screen transmission module specifically comprises:
the transmission synchronization unit is used for repackaging the audio data and the video data with the same timestamp after the screen transmitter receives the audio data and the video data, and performing second synchronization processing; the synchronization of the audio data and the video data in the transmission process is realized;
and the screen transmission device data sending unit is used for sending the repackaged audio data and video data to the receiving end in a wireless mode.
The audio and video playing module specifically comprises:
the playing synchronization unit is used for searching the corresponding video data through the time stamp according to the audio data needing to be played at present after the receiving end receives the audio data and the video data, searching the video data with the closest time stamp if packet loss exists, and performing third synchronization processing; searching for corresponding video data through the time stamp of the audio data to realize the synchronization of playing the audio data and the video data, and because the volume of the audio data is small, the searching speed can be accelerated by searching for the video data according to the audio data needing to be played currently;
and the audio and video decoding and playing unit is used for the receiving end to decode the audio data and the video data and then send the decoded audio data and video data to the corresponding player for playing.
In summary, the invention has the advantages that:
1. through first synchronization module, second synchronization module and third synchronization module, solved and passed the problem of screen in-process audio data and video data asynchronization.
2. The time stamps for data acquisition are added into the audio data and the video data through the first synchronization module, so that the audio data and the video data have synchronous basis during playing.
3. And repackaging the audio data and the video data with the same time stamp through a second synchronization module to realize the synchronization of the audio data and the video data in the transmission process.
4. And searching corresponding video data through the time stamp according to the audio data needing to be played currently through the third synchronization module, so as to realize the synchronization of the audio data and the video data.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (6)
1. A method for synchronizing audio and video in wireless screen transmission is characterized in that: the method comprises the following steps:
step S10, the sending end collects audio data and video data, carries out first synchronous processing on the audio data and the video data, and simultaneously codes the processed audio data and the processed video data and sends the coded audio data and the coded video data to the screen transmitter;
step S20, the screen transmitter performs second synchronous processing on the received audio data and video data, and sends the processed audio data and video data to the receiving end;
step S30, the receiving end carries out third synchronous processing on the received audio data and video data, decodes the audio data and the video data and then respectively sends the decoded audio data and video data to an audio player and a video player for playing;
the step S10 specifically includes:
step S11, after the sending end collects the audio data and the video data, adding a data collection time stamp into the audio data and the video data, and performing first synchronous processing;
step S12, the sending end encodes the audio data and the video data added with the time stamp;
and step S13, the sending end sends the coded audio data and video data to the screen transmitter.
2. The method for synchronizing audio and video in a wireless transmission screen according to claim 1, wherein: the step S20 specifically includes:
step S21, after the screen transmitter receives the audio data and the video data, repackaging the audio data and the video data with the same time stamp, and performing second synchronous processing;
step S22, the screen transmitter transmits the repackaged audio data and video data to the receiving end.
3. The method for synchronizing audio and video in a wireless transmission screen according to claim 1, wherein: the step S30 specifically includes:
step S31, after the receiving end receives the audio data and the video data, according to the audio data which needs to be played at present, the corresponding video data is searched through the timestamp, and the third synchronous processing is carried out;
and step S32, the receiving end decodes the audio data and the video data and then sends the decoded audio data and video data to a corresponding player for playing.
4. The utility model provides an audio frequency and video synchronization system in wireless biography screen which characterized in that: the system comprises the following modules:
the audio and video acquisition module is used for acquiring audio data and video data by a sending end, performing first synchronous processing on the audio data and the video data, and meanwhile, encoding the processed audio data and the processed video data and sending the encoded audio data and the encoded video data to the screen transmitter;
the audio and video screen transmission module is used for the screen transmitter to perform second synchronous processing on the received audio data and video data and send the processed audio data and video data to the receiving end;
the audio and video playing module is used for performing third synchronous processing on the received audio data and video data by the receiving end, decoding the audio data and the video data and then respectively sending the decoded audio data and video data to the audio player and the video player for playing;
the audio and video acquisition module specifically comprises:
the time stamping unit is used for adding a time stamp for data acquisition into the audio data and the video data after the audio data and the video data are acquired by the transmitting end, and performing first synchronous processing;
the encoding unit is used for encoding the audio data and the video data added with the time stamp by the sending end;
and the coded audio/video transmitting unit is used for transmitting the coded audio data and video data to the screen transmitter by the transmitting end.
5. The system for synchronizing audio and video in a wireless screen according to claim 4, wherein: the audio and video screen transmission module specifically comprises:
the transmission synchronization unit is used for repackaging the audio data and the video data with the same timestamp after the screen transmitter receives the audio data and the video data, and performing second synchronization processing;
and the screen transmitter data sending unit is used for sending the repackaged audio data and video data to the receiving end by the screen transmitter.
6. The system for synchronizing audio and video in a wireless screen according to claim 4, wherein: the audio and video playing module specifically comprises:
the playing synchronization unit is used for searching the corresponding video data through the timestamp according to the audio data needing to be played at present after the receiving end receives the audio data and the video data, and performing third synchronization processing;
and the audio and video decoding and playing unit is used for the receiving end to decode the audio data and the video data and then send the decoded audio data and video data to the corresponding player for playing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028804.7A CN109257641B (en) | 2018-09-05 | 2018-09-05 | Audio and video synchronization method and system in wireless screen transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028804.7A CN109257641B (en) | 2018-09-05 | 2018-09-05 | Audio and video synchronization method and system in wireless screen transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109257641A CN109257641A (en) | 2019-01-22 |
| CN109257641B true CN109257641B (en) | 2021-03-16 |
Family
ID=65046774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028804.7A Active CN109257641B (en) | 2018-09-05 | 2018-09-05 | Audio and video synchronization method and system in wireless screen transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109257641B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062268A (en) * | 2019-04-19 | 2019-07-26 | 北京那镁克科技有限公司 | A kind of audio-video sends and receives processing method and processing device with what screen played |
| CN110545454A (en) * | 2019-08-27 | 2019-12-06 | 北京奇艺世纪科技有限公司 | Data synchronous playing method and device |
| CN113056031A (en) * | 2021-02-01 | 2021-06-29 | 广州朗国电子科技有限公司 | Method for establishing wireless screen projection connection |
| CN115065852B (en) * | 2022-08-22 | 2022-11-01 | 深圳创维－Rgb电子有限公司 | Sound and picture synchronization method and device, electronic equipment and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049905A (en) * | 2015-07-31 | 2015-11-11 | 宁波萨瑞通讯有限公司 | Synchronous screen content transmission method and synchronous screen content transmission device through wireless transmission |
| WO2017015300A1 (en) * | 2015-07-22 | 2017-01-26 | Qualcomm Incorporated | Devices and methods for facilitating video and graphics streams in remote display applications |
| CN106658065A (en) * | 2015-10-30 | 2017-05-10 | 中兴通讯股份有限公司 | Audio and video synchronization method, device and system |
| CN107454461A (en) * | 2017-06-16 | 2017-12-08 | 广州视源电子科技股份有限公司 | Biography screen equipment and method, DVB receiving terminals based on DVB |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4660184B2 (en) * | 2004-12-27 | 2011-03-30 | 株式会社東芝 | Signal relay apparatus and signal relay method |
| CN101383763A (en) * | 2008-09-25 | 2009-03-11 | 中兴通讯股份有限公司 | Signal converting method and system for mobile equipment |
| US20130166769A1 (en) * | 2010-12-20 | 2013-06-27 | Awind, Inc. | Receiving device, screen frame transmission system and method |
| CN103595944A (en) * | 2013-11-22 | 2014-02-19 | 惠州华阳通用电子有限公司 | Wi-Fi display switching device and method among terminals |
| CN105049917B (en) * | 2015-07-06 | 2018-12-07 | 深圳Tcl数字技术有限公司 | The method and apparatus of recording audio/video synchronized timestamp |
| CN107368273A (en) * | 2017-07-07 | 2017-11-21 | 深圳市海勤科技有限公司 | The key operation local area network wireless of plug and play one passes screen operator, system and method |
-
2018
- 2018-09-05 CN CN201811028804.7A patent/CN109257641B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017015300A1 (en) * | 2015-07-22 | 2017-01-26 | Qualcomm Incorporated | Devices and methods for facilitating video and graphics streams in remote display applications |
| CN105049905A (en) * | 2015-07-31 | 2015-11-11 | 宁波萨瑞通讯有限公司 | Synchronous screen content transmission method and synchronous screen content transmission device through wireless transmission |
| CN106658065A (en) * | 2015-10-30 | 2017-05-10 | 中兴通讯股份有限公司 | Audio and video synchronization method, device and system |
| CN107454461A (en) * | 2017-06-16 | 2017-12-08 | 广州视源电子科技股份有限公司 | Biography screen equipment and method, DVB receiving terminals based on DVB |
Non-Patent Citations (1)
| Title |
|---|
| 无线传屏系统的研究与实现;张磊;《中国优秀硕士学位论文全文数据库 信息科技辑》;20140415(第4期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109257641A (en) | 2019-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109257641B (en) | Audio and video synchronization method and system in wireless screen transmission | |
| WO2019205886A1 (en) | Method and apparatus for pushing subtitle data, subtitle display method and apparatus, device and medium | |
| CN103237191B (en) | The method of synchronized push audio frequency and video in video conference | |
| CN100562121C (en) | Make the synchronous method of rest image and moving picture stream | |
| CN104320843B (en) | Audio synchronization method of Bluetooth sound production device | |
| WO2015053530A1 (en) | Method and apparatus for content delivery | |
| EP2924998A1 (en) | Method, apparatus and system for acquiring playback data stream of real-time video communication | |
| CN106488273A (en) | A kind of method and apparatus of transmission live video | |
| CN101883097A (en) | Method and device for realizing that server equipment shares screen of client equipment | |
| KR102532052B1 (en) | Receiving device and data processing method | |
| CN106998485B (en) | Video live broadcasting method and device | |
| CN103532923B (en) | A kind of real-time media stream transmission method and system | |
| CN103986960A (en) | Method for single-video picture division route teletransmission precise synchronization tiled display | |
| CN108111872B (en) | Audio live broadcasting system | |
| Lei et al. | Design and implementation of streaming media processing software based on RTMP | |
| CN105898506A (en) | Method and system for multi-screen playing of media files | |
| CN112019877A (en) | Screen projection method, device and equipment based on VR equipment and storage medium | |
| CN112073543B (en) | Cloud video recording method and system and readable storage medium | |
| CN109040818B (en) | Audio and video synchronization method, storage medium, electronic equipment and system during live broadcasting | |
| CN100473171C (en) | Clock synchronizing method in broadcast network | |
| CN108882010A (en) | A kind of method and system that multi-screen plays | |
| CN107277593B (en) | Method and device for playing videos on same screen | |
| CN103152616B (en) | A kind of method and system realizing TV programme and the Internet synchronous interaction | |
| CN105791964B (en) | cross-platform media file playing method and system | |
| CN103533401A (en) | Stream media data switch playing method and player |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 unit 1001, No.56, guanri Road, phase II, software park, Siming District, Xiamen City, Fujian Province Patentee after: Fujian Xingwang Intelligent Technology Co., Ltd Address before: 361000 unit 1001, No.56, guanri Road, phase II, software park, Siming District, Xiamen City, Fujian Province Patentee before: FUJIAN STAR-NET WISDOM TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |