CN106357992B - Video and audio centralized control method and system - Google Patents
Video and audio centralized control method and system Download PDFInfo
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Abstract
The invention discloses a video and audio centralized control method and a system, wherein the method comprises the following steps: acquiring an input video switching signal; controlling the change-over switch to the corresponding video module according to the video switching signal and outputting the video information of the video module; and acquiring the audio information of the video module and sending the audio information to the power amplifier module. According to the scheme, through the touch screen, a user can concentrate on the touch screen to operate, and all functional units of the audio and video equipment can be visually touch-controlled on the touch screen; the audio and video output of each functional unit is respectively and intensively displayed on the display screen or the sound box, so that a user does not need to press keys on cases on different independent devices, and the overall control experience of the audio and video device of the user is improved.
Description
Technical Field
The invention relates to the technical field of video and audio control, in particular to a video and audio centralized control method and system.
Background
Common video products include: the blue-ray player, the satellite receiver, the song ordering machine, the karaoke effector, the power amplifier and the like have more diversified requirements on audio and video along with the improvement of the living standard of people, and if the functions are required to be used, various equipment products are required to be purchased. However, different products have different hardware, independent functions, non-uniform interface standards and large occupied space of equipment. If the above functions are integrated and placed in a set of devices, there are, for example: the wiring of the equipment is complicated, the real-time switching cannot be realized, the control method is not uniform, the operation experience is poor, and the like.
Disclosure of Invention
Therefore, a video and audio centralized control scheme is needed to be provided, and the problems of non-uniform video and audio control and poor operation experience in the video and audio integration process are solved.
In order to achieve the above object, the inventor provides a video centralized control method, which comprises the following steps:
acquiring an input video switching signal;
controlling the change-over switch to be switched to the corresponding internal or external video module according to the video switching signal and outputting the video information of the video module;
and acquiring the audio information of the video module and sending the audio information to the power amplifier module.
Further, the method also comprises the following steps:
an incoming audio retrieval request is retrieved and,
and acquiring the audio information input by the power amplification module according to the audio acquisition request.
Further, the method also comprises the following steps:
an input audio mix acquisition request is acquired,
and acquiring the mixed audio information of the power amplification module according to the audio mixing acquisition request.
Further, the method also comprises the following steps:
acquiring an input control signal;
obtaining a corresponding infrared signal according to the control signal;
and sending the infrared signal to the video module and the power amplifier module.
Further, the video module is a TV module and/or a DVD module.
The invention also provides a video and audio centralized control system, which comprises the following modules:
an input signal acquisition module: the video switching device is used for acquiring an input video switching signal;
the video information switching module: the video switching device is used for controlling the switching switch to a corresponding internal or external video module according to the video switching signal and outputting video information of the video module;
the audio information forwarding module: and acquiring the audio information of the video module and sending the audio information to the power amplifier module.
Further, the input signal acquisition module is further configured to acquire an input audio acquisition request;
the control system further comprises an audio information acquisition module: and the audio acquisition module is used for acquiring the audio information input by the power amplification module according to the audio acquisition request.
Further, the input signal acquisition module is further configured to acquire an input audio mixing acquisition request;
the control system further comprises a mixed audio acquisition module: and the audio mixing module is used for acquiring the mixed audio information of the power amplifier module according to the audio mixing acquisition request.
Further, the input signal acquisition module is further used for acquiring an input control signal;
the control system further comprises:
an infrared signal obtaining module: the infrared signal acquisition module is used for acquiring a corresponding infrared signal according to the control signal;
the infrared signal sending module: and the infrared signal transmitting module is used for transmitting an infrared signal to the video module and the power amplifier module.
Further, the video module is a TV module and/or a DVD module.
Different from the prior art, the technical scheme has the advantages that through the touch screen, a user can concentrate on the touch screen to operate, and all functional units of the video equipment can be visually touch-controlled on the touch screen; the audio and video output of each functional unit is respectively and intensively displayed on the display screen or the sound box, so that a user does not need to press keys on cases on different independent devices, and the overall control experience of the audio and video device of the user is improved.
Drawings
FIG. 1 is a process flow diagram of a process embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the system of the present invention.
Description of reference numerals:
200. a video centralized control system;
201. a video module A;
202. a video module B;
203. a touch screen;
204. a display screen;
205. a sound box;
206. a power amplifier module;
207. a microphone;
208. a storage module;
211. an input signal acquisition module;
212. a video information switching module;
213. an audio information forwarding module;
214. an audio information acquisition module;
215. a mixed audio acquisition module;
216. an infrared signal obtaining module;
217. and an infrared signal sending module.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present embodiment provides an audio/video centralized control method, which can be applied to the audio/video centralized control system 200 (or referred to as an audio/video device) shown in fig. 2, and specifically can be run on a Central Processing Unit (CPU) of a VOD module of the system. The VOD module includes video and audio processing functions and can be used for video and audio input and output. Since the method runs on a VOD module, this module is an internal video module with respect to the method. The control system includes a plurality of external video modules for outputting video information and audio information, and the present embodiment is described with a video module a201 and a video module B202. The control system is generally connected with peripheral modules outside, and users can interact with the control system or acquire specific video and audio contents through the peripheral modules. For example, a user may interact with the system through an input module such as the touch screen 203, obtain video content through the display screen 204, and obtain sound content through the speaker 205.
The type of the video module is not limited in the present invention, and the video module only needs to acquire video content and send video information, and in some embodiments, the video module may be a TV (Television) module or a DVD (digital versatile Disc) module, and may also include a TV module and a DVD module. The DVD module can read the video content in the blue-ray disc, the DVD disc or the CD disc and output the video content at the audio/video output interface of the video module. In some embodiments, the DVD module may also be a U-disk or a removable hard disk playing module, and may also be a video module that is integrated with an optical drive and a USB port and can read an optical disk or a U-disk. The TV module is a module for acquiring a television signal and outputting a television program, and specifically, the TV module may be a satellite television module, a cable television module, or the like.
The method comprises the following steps: step S101 acquires an input video switching signal. The invention can acquire the video switching signal through the input device. The input device of the invention is used for inputting the control signal of the user to the CPU of the system, and can be a wired or wireless keyboard, a mouse, a touch screen or infrared remote control input and the like. In this embodiment, an input device is described as a touch panel. The input signal of the touch screen is generated by clicking on the touch screen by a user, and the general process is as follows: the video switching button is displayed on a display of the touch screen, and then after the video switching button is clicked by a user, the touch screen can generate signal input, and a CPU of the system can acquire the video switching signal. The video switching signal is used for informing the system that the video switching operation is required, and the video switching can be switched between the video module A and the video module B. In some embodiments, the system also has a video output function, where the video content may be content related to control such as displaying a video switch button or content of a system interface, and the video switching operation may be switched between the system and the video module a or the video module B.
Through the video switching operation, the invention can realize the centralized control of various video sources by only one device, and the user can select the video preferred by the user from the various video sources to play. For example, the video module a may output a cable television or a satellite television, and the video module B may output a multimedia file stored on a usb disk or a mobile hard disk; the local video module can output multimedia files such as movies or songs. Meanwhile, audio information can be output through the power amplifier module, and songs in the video modules can be sung by combining the microphone.
After the video switching signal is obtained, step S102 is performed to control the switch to the corresponding internal or external video module according to the video switching signal and output the video information of the video module. The video switching signal displays three video buttons on a display of the touch screen, and characters corresponding to each button are 'system', 'video module A' and 'video module B'. The system is an internal video module, such as the VOD module described above, and the video modules a and B are external video modules. When the user presses a button of the system, the video inside the VOD is output. When the user presses the button of the video module a, the video module corresponding to the video switching signal is the video module a, and the video module a needs to be switched. And when a button of the video module B is pressed, the video module corresponding to the video switching signal is the video module B, and the video module B needs to be switched. That is, both the user and the present system can know from the display screen of the touch screen which video module corresponds to the video switch button pressed by the user. The switch may be a software switch or a hardware switch. The software change-over switch directly acquires the video information of the video module and sends the video information to the video output interface for output; and the hardware selector switch is used for connecting the video output interface with the corresponding video module after receiving the command, so that the video information of the video module is output. The invention can conveniently realize the video switching in a plurality of video modules through a software change-over switch or a hardware change-over switch. The Video information of the present invention can be output through a Video output Interface, where the Video output Interface is used for connecting with a display device (such as the display screen 204), and may be a socket such as an HDMI (High Definition Multimedia Interface), a DVI (Digital Visual Interface), a DP (display Interface), or a CVBS (Composite Video Broadcast Signal). The video output interface can also be connected with projection equipment to perform projection display on the video. After switching, the video information of the corresponding video module can be displayed on the display screen. And the method also comprises the step S103 of obtaining the audio information of the video module and sending the audio information to the power amplifier module 206. The video module is the video module corresponding to the video switching signal, i.e. the video module outputting the video information. After receiving the audio information, the power amplifier module may output the audio information on the sound box 205, and the end user may view the video information of the video module on the display screen and hear the audio information of the video module on the sound box. By the method, when a user needs different video and audio types, the user can display the video information on the display screen and output the audio information on the sound box only by clicking the video module corresponding to the needed video and audio type on the touch screen, a plurality of video devices are not needed, and each video device is not needed to be controlled and switched one by one, so that the centralized control of the video and audio is realized, and the overall control experience of the video and audio devices of the user is improved.
In some embodiments, the user may need to input a voice into the system, such as voice information for the user to sing a song or speak in a meeting. The user can connect a microphone 207 on the power amplifier module, and then the microphone can input the sound information into the power amplifier module, and the power amplifier module encodes the sound information and then inputs the encoded sound information into the system. On the basis of the above embodiment, the method further comprises the following steps: step S104 is to obtain the input audio obtaining request, and step S105 is to obtain the audio information input by the power amplifier module according to the audio obtaining request. In some embodiments, after step S104, a control signal for sound acquisition is further sent to the power amplifier module, so that the power amplifier module collects the sound of the microphone and sends the sound to the CPU of the system. After the audio information is acquired, the CPU may further process the audio information, and the simple processing may be to store the sound, and if the system includes the storage module 208, the system may directly store the audio information in the storage module 208, so as to facilitate later playback. Or may store the voice message on the internet. If the voice information is singing voice information, scoring operation can be carried out on the voice information, and scoring results are achieved on a display screen. Through the steps S104 and S105, the voice information of the user is acquired, the functions of the system are expanded on the basis of centralized control, and the user does not need to use a separate recording device to acquire the voice, so that the voice input of the user is facilitated.
The system can be used for singing for the user, the singing not only comprises the sound of the user, but also comprises the background music of the song, and the sounds need to be mixed in the power amplification module. The method also comprises the following steps: step S106 acquires the input audio mixing acquisition request, and step S107 acquires the mixed audio information of the power amplifier module according to the audio mixing acquisition request. Here, step S106 and step S107 may form an embodiment with step S101 to step S103 or, as shown in fig. 1, step S101 to step S107 form an embodiment. In some embodiments, after step S107, a control signal for sound mixing is further sent to the power amplifier module, so that the power amplifier module collects the sound of the microphone and mixes the sound with the background music received by the power amplifier module, and sends the mixed sound information to the CPU of the system. The background music received by the power amplifier can be sent to the power amplifier module by the CPU, or in some embodiments, can be sent to the power amplifier module by the video module. The mixed audio information is similar to the audio information in the above embodiments, and may be further processed, including being stored or uploaded for sharing. Through the mixed audio frequency of acquireing after acquireing the mixture and obtaining the request, the user can realize singing and share singing audio information on this system, and need not to increase singing equipment again, also need not carry out line connection or key control to singing equipment, has made things convenient for user operation greatly, has improved user experience.
The control of the video module or the power amplifier module in the system can be controlled not only in an infrared control mode, but also by directly sending a control command through a control interface. The control interface is an interface capable of receiving a control command, such as a serial port, and the CPU of the system can be connected with the serial port of the video module or the power amplifier module in an RS232 mode, and then directly sends the control command to the serial port, so that the control of the modules can be realized. In the infrared control mode, the CPU is connected to the infrared signal receiving pin of each module through one pin, and then the CPU transmits an infrared signal through the pin. In this embodiment, the method further includes the following steps: step S108 acquires the input control signal. Step S109, obtaining a corresponding infrared signal according to the control signal; step S110, an infrared signal is sent to the video module and the power amplifier module. In step S109, obtaining the corresponding infrared signal may be obtained by: first, the infrared logic level signals of each functional module (video module, power amplifier module) are collected and correspond to the infrared buttons simulated by the touch screen, and then such a set of correspondence relationship can be stored in the storage module 208. After the touch screen is triggered by a user, the touch screen sends a simulated button control signal CPU, the CPU searches and matches in the storage module according to the control signal to obtain corresponding infrared signals, and then the infrared signals can be sent to all the functional modules. Because the infrared signals all contain the equipment identification code, the infrared signals among different modules are different, and then after the infrared signals are sent out, only the corresponding module can carry out corresponding action, and other modules can not carry out any action, so that the condition of misoperation can be ensured to not occur, meanwhile, the connection between the CPU and other modules can be simplified, the conflict or misoperation condition among different modules does not need to be considered, and the development difficulty of software and hardware is reduced.
It should be noted here that the analog control button displayed on the display interface of the touch screen should correspond to the currently displayed video module. If the video module a is a DVD module, after the switching is completed in step S103, the CPU may display control buttons corresponding to the switched video module, such as an entry, an exit, and the like, on a display interface of the touch screen. Therefore, the user can click the delivery button to realize delivery operation of the DVD module. If the video module B is a TV module, after the switching is completed in step S103, the CPU may display a control button corresponding to the switched video module B on the touch screen display interface, such as changing channels. Therefore, the user can click the channel switching button to realize the channel switching operation of the TV module. Therefore, one-to-one control can be realized, the difficulty of user selection caused by the fact that too many analog control buttons are displayed is avoided, and the situation that a CPU carries out corresponding control operation on the buttons which are not used temporarily is also avoided. Furthermore, generally, for the video module that is not currently active, after the switching is completed in step S103, the CPU sends a standby command or a power-off command to the video module that is not active or not displayed, so as to enable the video module to perform a low power consumption state, thereby saving power.
The invention also provides a video and audio centralized control system 200, as shown in fig. 2, comprising the following modules: input signal acquisition module 211: the video switching device is used for acquiring an input video switching signal; the video information switching module 212: the video switching control circuit is used for controlling the switching switch to the corresponding video module according to the video switching signal and outputting the video information of the video module; the audio information forwarding module 213: and acquiring the audio information of the video module and sending the audio information to the power amplifier module. In the system, when a user needs different video and audio types, the user only needs to click the video module corresponding to the needed video and audio type on the touch screen, so that the video information can be displayed on the display screen and the audio information can be output on the loudspeaker box, a plurality of video devices are not needed, and each video device is not needed to be controlled and switched one by one, so that the centralized control of the video and audio is realized, and the overall control experience of the video and audio devices of the user is improved.
As described in the method embodiments, the video module in the present system may be a variety of different video modules.
Further, the input signal obtaining module 211 is further configured to obtain an input audio obtaining request; the control system further includes an audio information acquisition module 214: and the audio acquisition module is used for acquiring the audio information input by the power amplification module according to the audio acquisition request. In the embodiment, on the basis of the system embodiment, the acquisition of the voice information of the user is realized, the functions of the system are expanded on the basis of centralized control, and the user does not need to use a separate recording device to acquire the voice, so that the voice input of the user is facilitated.
In order to realize that the user can sing on the system, the input signal acquiring module 211 is further configured to acquire an input audio mixing acquisition request; the control system further includes a mixed audio acquisition module 215: and the audio mixing module is used for acquiring the mixed audio information of the power amplifier module according to the audio mixing acquisition request. Through the mixed audio frequency of acquireing after acquireing the mixture and obtaining the request, the user can realize singing and share singing audio information on this system, and need not to increase singing equipment again, also need not carry out line connection or key control to singing equipment, has made things convenient for user operation greatly, has improved user experience.
In order to simplify the control of the video module or the power amplifier module, the input signal acquiring module 211 is further configured to acquire an input control signal; the control system further comprises: the infrared signal obtaining module 216: the infrared signal acquisition module is used for acquiring a corresponding infrared signal according to the control signal; the infrared signal transmitting module 217: and the infrared signal transmitting module is used for transmitting an infrared signal to the video module and the power amplifier module. By means of sending infrared signals, connection between the CPU and other modules can be simplified without considering conflicts or misoperation conditions among different modules, and development difficulty of software and hardware is reduced.
In all the above embodiments, the connection between the interface of the audio/video apparatus and the external device may be a wired connection or a wireless connection. For example, the connection between the video output interface and the display device, the connection between the audio input interface and the sound input device, and the connection between the audio output interface and the sound playing device may be wired or wireless. Specifically, in the video transmission, the wireless mode may be wireless technologies such as DLNA (DIGITAL LIVING NETWORK ALLIANCE )/Airplay (wireless video transmission technology of apple corporation)/Miracast (WIFI-based video transmission technology of WIFI ALLIANCE)/WIFI, so that the video signal may be output to the projection screen or the display screen in a wireless output mode. In some embodiments, the video signal of the touch screen can also be displayed on a mobile device such as a mobile phone or a tablet in a wireless manner. In order to replace a heavy touch display screen, the audio/video device can also transmit video and touch signals with mobile equipment such as a mobile phone and a tablet in a wireless mode (such as WIFI).
In audio transmission, the wireless mode may be various wireless technologies such as FM/AM/SW, WIFI, bluetooth, 2.4GHZ, VHF (Very High frequency), uhf (ultra High frequency), and the like.
In the voice input, a wireless microphone may be used to perform wireless voice input, a radio signal may be received, or a voice input by a wireless method such as bluetooth may be received.
In the aspect of sound output, wireless sound boxes such as Bluetooth sound boxes can be adopted for sound output.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
As will be appreciated by one skilled in the art, the above-described embodiments may be provided as a method, apparatus, or computer program product. These embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. All or part of the steps in the methods according to the embodiments may be implemented by a program instructing associated hardware, where the program may be stored in a storage medium readable by a computer device and used to execute all or part of the steps in the methods according to the embodiments. The computer devices, including but not limited to: personal computers, servers, general-purpose computers, special-purpose computers, network devices, embedded devices, programmable devices, intelligent mobile terminals, intelligent home devices, wearable intelligent devices, vehicle-mounted intelligent devices, and the like; the storage medium includes but is not limited to: RAM, ROM, magnetic disk, magnetic tape, optical disk, flash memory, U disk, removable hard disk, memory card, memory stick, network server storage, network cloud storage, etc.
The various embodiments described above are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a computer apparatus to produce a machine, such that the instructions, which execute via the processor of the computer apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer device to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer apparatus to cause a series of operational steps to be performed on the computer apparatus to produce a computer implemented process such that the instructions which execute on the computer apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (6)
1. A video and audio centralized control method is characterized in that the method runs on a CPU of a VOD module of a video and audio centralized control system, the CPU is connected with infrared signal receiving pins of a video module and a power amplifier module through a pin, then the CPU sends an infrared signal through the pin, the video and audio centralized control system comprises a storage module, and the storage module stores the corresponding relation between infrared logic level signals of the video module and the power amplifier module and an infrared button simulated by a touch screen;
the method comprises the following steps:
acquiring an input video switching signal;
controlling the change-over switch to be switched to the corresponding internal or external video module according to the video switching signal and outputting the video information of the video module; acquiring audio information of the video module and sending the audio information to the power amplifier module;
the change-over switch is a hardware change-over switch, and after receiving the command, the hardware change-over switch connects the video output interface with the corresponding video module so as to output the video information of the video module;
after the touch screen is triggered by a user, the touch screen sends a simulated button control signal CPU, the CPU searches and matches in the storage module according to the control signal to obtain corresponding infrared signals, and then the infrared signals are sent to all the functional modules, wherein the infrared signals are infrared logic level signals;
the CPU sends a standby command or a shutdown command to the video modules which do not act or display, so that the modules are in a low power consumption state;
an input audio mix acquisition request is acquired,
the power amplification module collects the sound of the microphone and mixes the sound with the background music received by the power amplification module;
and acquiring mixed audio information of the power amplification module according to the audio mixing acquisition request, and storing the audio information mixed by the power amplification module by the CPU.
2. The video centralized control method according to claim 1, further comprising the steps of:
an incoming audio retrieval request is retrieved and,
and acquiring the audio information input by the power amplification module according to the audio acquisition request.
3. The video centralized control method according to claim 1, wherein: the video module is a TV module and/or a DVD module.
4. A video and audio centralized control system comprises a VOD module and a storage module, wherein a CPU of the VOD module is connected with infrared signal receiving pins of a video module and a power amplifier module through a pin, then the CPU sends an infrared signal through the pin, and the storage module stores the corresponding relation between infrared logic level signals of the video module and the power amplifier module and an infrared button simulated by a touch screen; the device is characterized by comprising the following modules:
an input signal acquisition module: the video switching device is used for acquiring an input video switching signal;
the video information switching module: the video switching device is used for controlling the switching switch to a corresponding internal or external video module according to the video switching signal and outputting video information of the video module;
the audio information forwarding module: acquiring audio information of the video module and sending the audio information to the power amplifier module;
the change-over switch is a hardware change-over switch, and after receiving the command, the hardware change-over switch connects the video output interface with the corresponding video module so as to output the video information of the video module;
after the touch screen is triggered by a user, the touch screen sends a simulated button control signal CPU, the CPU searches and matches in the storage module according to the control signal to obtain corresponding infrared signals, and then the infrared signals are sent to all the functional modules, wherein the infrared signals are infrared logic level signals;
the CPU sends a standby command or a shutdown command to the video modules which do not act or display, so that the modules are in a low power consumption state;
the input signal acquisition module is also used for acquiring an input audio mixing acquisition request;
the power amplification module collects the sound of the microphone and mixes the sound with the background music received by the power amplification module;
the control system further comprises a mixed audio acquisition module: the CPU is used for acquiring the mixed audio information of the power amplification module according to the audio mixing acquisition request, and storing the audio information mixed by the power amplification module.
5. The video centralized control system of claim 4, wherein:
the input signal acquisition module is also used for acquiring an input audio acquisition request;
the control system further comprises an audio information acquisition module: and the audio acquisition module is used for acquiring the audio information input by the power amplification module according to the audio acquisition request.
6. The video centralized control system of claim 4, wherein: the video module is a TV module and/or a DVD module.
Priority Applications (1)
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| CN111385617A (en) * | 2018-12-29 | 2020-07-07 | 西安诺瓦星云科技股份有限公司 | Video source switching playing method, device and system and storage medium |
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| CN102946521A (en) * | 2012-10-26 | 2013-02-27 | 圆刚科技股份有限公司 | Video and audio conversion system and video and audio conversion method |
| JP2016092800A (en) * | 2014-11-11 | 2016-05-23 | キヤノン株式会社 | Image reproducing device |
| CN105868292A (en) * | 2016-03-23 | 2016-08-17 | 中山大学 | Video visualization processing method and system |
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