CN113495968A - PPT presentation play system based on LED display screen - Google Patents
PPT presentation play system based on LED display screen Download PDFInfo
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- CN113495968A CN113495968A CN202010256435.8A CN202010256435A CN113495968A CN 113495968 A CN113495968 A CN 113495968A CN 202010256435 A CN202010256435 A CN 202010256435A CN 113495968 A CN113495968 A CN 113495968A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/44—Browsing; Visualisation therefor
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/43—Querying
- G06F16/438—Presentation of query results
- G06F16/4387—Presentation of query results by the use of playlists
- G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
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Abstract
本发明涉及多媒体播放系统技术领域，尤其是一种基于LED显示屏的PPT演示文稿播放系统，包括中央控制模块、播放模块、数据库、解码分类模块、检索模块、通信模块以及终端模块；使用时，先由解码分类模块将PPT演示文稿中的影像部分和音频部分分解成影像文件和音频文件，然后影像文件和音频文件被依次存储在数据库中，通过终端模块控制播放PPT演示文稿时，由检索模块从数据库中检索出需要播放PPT演示文稿对应的影像文件和音频文件，文件由播放模块依次播放，大大简化了PPT演示文稿的播放过程。
The invention relates to the technical field of multimedia playback systems, in particular to a PPT presentation playback system based on an LED display screen, comprising a central control module, a playback module, a database, a decoding and classification module, a retrieval module, a communication module and a terminal module; when used, First, the video part and audio part in the PPT presentation are decomposed into video files and audio files by the decoding and classification module, and then the video files and audio files are sequentially stored in the database. When the PPT presentation is played under the control of the terminal module, the retrieval module The image files and audio files corresponding to the PPT presentation to be played are retrieved from the database, and the files are played in turn by the playback module, which greatly simplifies the playback process of the PPT presentation.
Description
Technical Field
The invention relates to the technical field of multimedia playing systems, in particular to a PPT presentation play system based on an LED display screen.
Background
With the PPT, not only can presentations be created, but also face-to-face conferences, teleconferences, or presentations can be presented to viewers over the internet. The file made by PPT is called demonstration manuscript. At present, PPT presentations are increasingly applied to office files, conference presentations, and advertisement exhibitions, and are developed from playing single playing elements of characters and pictures to diversified contents such as audio, animation, and movies. The LED display screen is used as indoor and outdoor advertisements, and the occupancy rate of large-scale stage backgrounds and the like is getting heavier.
However, in the LED display system, due to the usability, diversity, etc. of the PPT presentation, the process of playing the PPT presentation in the LED display playing system is very frequent, and especially, the operation is troublesome in playing the audio, animation, and movie contents in the PPT presentation.
Disclosure of Invention
The invention aims to provide a PPT demonstration manuscript playing system based on an LED display screen, which is used for solving the problem that the process of playing PPT demonstration manuscripts by the LED display screen is complicated at present.
In order to achieve the purpose, the invention provides the following technical scheme: a PPT demonstration manuscript playing system based on an LED display screen comprises a central control module, a playing module, a database, a decoding classification module, a retrieval module, a communication module and a terminal module, wherein the output end of the central control module is electrically connected with the input end of the playing module, the input end of the central control module is electrically connected with the output end of the communication module, and the central control module is respectively and bidirectionally electrically connected with the database, the decoding classification module and the retrieval module;
the playing module is used for playing an image file and an audio file in the PPT presentation;
the database is used for storing image files and audio files in a classified manner;
the decoding and classifying module is used for sequentially decomposing an image part and an audio part in the PPT presentation into an image file and an audio file;
the retrieval module is used for retrieving files needing to be played from the database;
the communication module is used for constructing a signal channel between the central control module and the terminal module;
the output end of the terminal module is in signal connection with the input end of the communication module, and the terminal module is used for sending out the starting, closing and pausing of PPT display manuscript playing.
Preferably, the playing module includes an image playing unit and an audio playing unit, and the image playing unit is used for playing an image file in the PPT presentation;
the audio playing unit is used for playing an audio file in the PPT presentation.
Preferably, the database comprises a storage unit and a data loading unit, and the storage unit is used for storing the PPT presentation and classifying and storing image files and audio files in the PPT presentation;
the data loading unit is used for respectively inputting the image file and the audio file which are obtained by decomposing the PPT presentation by the decoding classification module into the storage unit.
Preferably, the database further comprises a sorting unit, and the sorting unit is configured to sequentially arrange and store the image files and the audio files stored in the storage unit according to the playing sequence of the PPT presentation.
Preferably, the communication module is one of bluetooth communication, WIFI communication and infrared wireless communication.
Compared with the prior art, the invention has the beneficial effects that:
the PPT presentation play system comprises a decoding classification module, a retrieval module, a display module and a display module, wherein the decoding classification module is used for decomposing an image part and an audio part in the PPT presentation into an image file and an audio file, then the image file and the audio file are sequentially stored in a database, when the PPT presentation is played under the control of a terminal module, the retrieval module is used for retrieving the image file and the audio file corresponding to the PPT presentation to be played from the database, and the files are sequentially played by the play module, so that the play process of the PPT presentation is greatly simplified.
Drawings
FIG. 1 is a schematic block diagram of a control system of the present invention;
FIG. 2 is an internal schematic diagram of the play module of the present invention;
FIG. 3 is an internal schematic diagram of the database of the present invention.
In the figure: 1-a central control module; 2-a playing module; 21-an image playing unit; 22-an audio playing unit; 3-a database; 31-a storage unit; 32-a data loading unit; 33-a sorting unit; 4-a decoding classification module; 5-a retrieval module; 6-a communication module; 7-terminal module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a PPT presentation play system based on an LED display screen comprises a central control module 1, a play module 2, a database 3, a decoding classification module 4, a retrieval module 5, a communication module 6 and a terminal module 7, wherein an output end of the central control module 1 is electrically connected with an input end of the play module 2, an input end of the central control module 1 is electrically connected with an output end of the communication module 6, the central control module 1 is respectively electrically connected with the database 3, the decoding classification module 4 and the retrieval module 5 in a bidirectional mode, the play module 2 comprises an image play unit 21 and an audio play unit 22, the image play unit 21 is used for playing image files in the PPT presentation, the audio play unit 22 is used for playing audio files in the PPT presentation, the database 3 comprises a storage unit 31, a data loading unit 32 and a sorting unit 33, the storage unit 31 is used for storing the PPT presentation and classifying and storing the image files and the audio files in the PPT presentation, the data loading unit 32 is configured to input image files and audio files obtained by decomposing the PPT presentation by the decoding classification module 4 into the storage unit 31, the sorting unit 33 is configured to sequentially arrange a storage sequence of the image files and the audio files stored in the storage unit 31 according to a playing sequence of the PPT presentation, the decoding classification module 4 is configured to sequentially decompose image parts and audio parts in the PPT presentation into the image files and the audio files, the retrieval module 5 is configured to retrieve files to be played from the database 3, the communication module 6 is configured to construct a signal channel between the central control module 1 and the terminal module 7, the communication module 6 is one of bluetooth communication, WIFI communication and infrared wireless communication, an output end of the terminal module 7 is connected to an input end of the communication module 6, and the terminal module 7 is configured to initiate playing of the PPT display presentation, Shut down and pause.
In summary, when the system is used, the decoding classification module decomposes the image part and the audio part in the PPT presentation into an image file and an audio file, the data loading unit 32 prestores the image file and the audio file in the storage unit 31, the sorting unit 33 stores the prestored image file and the audio file in the storage unit 31 after sequentially arranging the storage sequence according to the playing sequence of the PPT presentation, the terminal module 7 controls the start, stop, and pause during the playing of the PPT presentation, the retrieval module 5 retrieves the image file and the audio file corresponding to the PPT presentation from the storage unit 31, and the corresponding image file and the corresponding audio file are played sequentially through the image playing unit 21 and the audio playing unit, so as to complete smooth playing of the PPT presentation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A PPT demonstration manuscript playing system based on an LED display screen is characterized by comprising:
a central control module (1);
a playing module (2);
a database (3);
a decoding classification module (4);
a retrieval module (5);
communication module (6) and
the output end of the central control module (1) is electrically connected with the input end of the playing module (2), the input end of the central control module (1) is electrically connected with the output end of the communication module (6), and the central control module (1) is respectively and bidirectionally electrically connected with the database (3), the decoding classification module (4) and the retrieval module (5);
the playing module (2) is used for playing an image file and an audio file in the PPT presentation;
the database (3) is used for storing image files and audio files in a classified manner;
the decoding and classifying module (4) is used for sequentially decomposing an image part and an audio part in the PPT presentation into an image file and an audio file;
the retrieval module (5) is used for retrieving a file to be played from the database (3);
the communication module (6) is used for constructing a signal channel between the central control module (1) and the terminal module (7);
the output end of the terminal module (7) is in signal connection with the input end of the communication module (6), and the terminal module (7) is used for sending out the starting, closing and pausing of PPT display manuscript playing.
2. The LED display screen-based PPT presentation play system according to claim 1, wherein the play module (2) comprises:
video playback unit (21) and
the audio playing unit (22), the image playing unit (21) is used for playing the image file in the PPT presentation;
the audio playing unit (22) is used for playing audio files in the PPT presentation.
3. The LED display screen-based PPT presentation playing system according to claim 1, wherein said database (3) comprises:
memory cell (31) and
the data loading unit (32), the memory unit (31) is used for storing the PPT presentation and classifying and storing the image files and the audio files in the PPT presentation;
the data loading unit (32) is used for respectively inputting the image file and the audio file obtained by decomposing the PPT presentation by the decoding and classifying module (4) into the storage unit (31).
4. A LED display screen based PPT presentation play system according to claim 3, wherein said database (3) further comprises:
and the sorting unit (33), the sorting unit (33) is used for sequentially arranging and storing the image files and the audio files stored in the storage unit (31) according to the playing sequence of the PPT presentation.
5. The LED display screen-based PPT presentation play system as claimed in claim 1, wherein: the communication module (6) is one of Bluetooth communication, WIFI communication and infrared wireless communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010256435.8A CN113495968A (en) | 2020-04-02 | 2020-04-02 | PPT presentation play system based on LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010256435.8A CN113495968A (en) | 2020-04-02 | 2020-04-02 | PPT presentation play system based on LED display screen |
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| CN113495968A true CN113495968A (en) | 2021-10-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6211974B1 (en) * | 1994-07-29 | 2001-04-03 | Fuji Photo Film Co., Ltd. | Laboratory system, method of controlling operation thereof, playback apparatus and method, film image management method, image data copying system and method of copying image data |
| US6738075B1 (en) * | 1998-12-31 | 2004-05-18 | Flashpoint Technology, Inc. | Method and apparatus for creating an interactive slide show in a digital imaging device |
| CN102122461A (en) * | 2010-01-08 | 2011-07-13 | 北京中海锦安高科技有限公司 | Light emitting diode (LED) electronic screen system for fire fighting propaganda educational training and public service announcement |
| CN105959613A (en) * | 2016-05-27 | 2016-09-21 | 山西百得科技开发股份有限公司 | Digital conference equipment and system |
| CN107357542A (en) * | 2017-07-01 | 2017-11-17 | 深圳市灵星雨科技开发有限公司 | A kind of method of LED display played PPT PowerPoints |
-
2020
- 2020-04-02 CN CN202010256435.8A patent/CN113495968A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6211974B1 (en) * | 1994-07-29 | 2001-04-03 | Fuji Photo Film Co., Ltd. | Laboratory system, method of controlling operation thereof, playback apparatus and method, film image management method, image data copying system and method of copying image data |
| US6738075B1 (en) * | 1998-12-31 | 2004-05-18 | Flashpoint Technology, Inc. | Method and apparatus for creating an interactive slide show in a digital imaging device |
| CN102122461A (en) * | 2010-01-08 | 2011-07-13 | 北京中海锦安高科技有限公司 | Light emitting diode (LED) electronic screen system for fire fighting propaganda educational training and public service announcement |
| CN105959613A (en) * | 2016-05-27 | 2016-09-21 | 山西百得科技开发股份有限公司 | Digital conference equipment and system |
| CN107357542A (en) * | 2017-07-01 | 2017-11-17 | 深圳市灵星雨科技开发有限公司 | A kind of method of LED display played PPT PowerPoints |
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