TW201607298A - Multimedia broadcast system and multimedia broadcast method thereof - Google Patents

Abstract

The present invention provides a multimedia broadcast system, which comprises a management server and a plurality of playing terminals. The management server comprises a multimedia database. The multimedia database is used for storing multimedia data. The playing terminals may conduct the two-way wireless communication with the management server. Each playing terminal comprises a memory and a multimedia display device. The memory is used to store the multimedia data. The multimedia display device is used to play the multimedia data. The management server may transmit a plurality of command signals to the playing terminals for controlling the playing terminals to update the multimedia data and controlling the multimedia display device of the playing terminal to play the multimedia data. The present invention further provides a multimedia broadcast method of multimedia broadcast system.

Description

Video and audio broadcasting system and video and audio broadcasting method thereof

The present invention relates to a broadcast system and a method thereof, and more particularly to an audio-visual broadcast system and a video and audio broadcast method thereof.

The traditional video broadcasting system is to arrange cables throughout the building. The broadcasting host is electrically connected to the display inside the building through the cable. The user controls the broadcast host to broadcast audio and video or advertisements throughout the building. . However, if the building is very large, or the number of displays to be connected is large, the cost of laying the cable will be very high. And if you want to change the position of the display, or if you want to increase or decrease the display, you need to re-wire, this will be a big project.

As a result, with the development of technology, a variety of digital broadcasting applications, such as Digital Audio Broadcasting (DAB) and Digital Video Broadcasting (DVB), have been produced. However, whether it is digital audio broadcasting or digital video broadcasting, the user selects a specific channel that he or she is interested in to listen to or watch. When the user stops watching, the transmitting end cannot control the audio and video content broadcast by the remote user. And time. Moreover, the establishment of the above-mentioned broadcasting system also requires a huge amount of resources and a complicated application process, which does not meet the current needs.

In view of this, in order to achieve wirelessly broadcast video to a remote user or a display in a building, it is necessary to provide an audio-visual broadcasting system and a video broadcasting method thereof.

It is an object of the present invention to provide an audio-visual broadcasting system that provides a specific architecture for implementing audio-visual broadcasting, and can be controlled by the management server to control the broadcast of the video and audio, and reduce the cost of wiring and the construction of the broadcasting system.

Another object of the present invention is to provide a video and audio broadcasting method, which provides the video and audio broadcasting method of the above-mentioned video broadcasting system, so as to realize the broadcast of the video and audio by the management server by the management server.

To achieve the above objective, the video and audio broadcasting system provided by the present invention comprises a management server and a plurality of playing ends. The management server includes a video library for storing audio and video data. The playing end is configured to perform a two-way wireless communication with the management server, and each of the playing ends comprises a memory and an audio and video display device, wherein the memory is used for storing the audio and video data, and the audio and video display device is configured to broadcast the video and audio. data. The management server sends a plurality of command signals to the playing ends, and is configured to control the playing ends to update the video and audio materials, and control the video and audio display devices of the playing terminals to play the video and audio materials.

In a preferred embodiment, the management server further includes a client list for registering the players to determine the number and location of the players that can broadcast the video material. Preferably, the customer list divides the play ends into a plurality of groups. The management server controls the play ends of the groups to separately broadcast different video and audio materials.

In a preferred embodiment, the play ends have a controlled mode (controlled Mode) and an uncontrolled mode, when the play ends are in the controlled mode, the two-way wireless communication can be performed with the management server.

In a preferred embodiment, the management server further includes a management interface module configured to provide a user to set the content of the video material.

In a preferred embodiment, the command signals include a download command for controlling the play ends to download the video material to the video library to update the video data stored in the memory.

In a preferred embodiment, the command signals include a cycle instruction for controlling a cycle of broadcasting the video material, wherein the cycle includes hourly, daily, weekly, or system startup.

In a preferred embodiment, the playing end is a mobile device, and the mobile device is provided with an application program for switching the mobile device to a controlled mode, and playing according to the command signals. The audio and video material in the memory.

In a preferred embodiment, the audio-visual display device of the playing terminals is a liquid crystal display, a plasma display, an organic light-emitting display, an electronic paper, or a projector.

In a preferred embodiment, the two-way wireless communication includes Wi-Fi, Bluetooth, 3G, 4G or 5G.

In a preferred embodiment, the video material includes an image file and/or a sound file.

In order to achieve the above other object, the present invention provides a video and audio broadcasting method for a video broadcasting system. The video broadcast system includes a management server and a plurality of playing ends, wherein the video library is used for storing video and audio data, and the playing ends are used for performing a two-way wireless connection with the management server. The communication device includes a memory and an audio-visual display device for storing the audio-visual material, and the audio-visual display device is configured to broadcast the audio-visual material. The video broadcast method includes: transmitting, by the management server, a plurality of command signals to the play ends; controlling the play ends to update the video and audio data; and controlling the audio and video display devices of the play ends to play the video and audio materials.

In a preferred embodiment, the video broadcast method further includes registering the play terminals to a client list of the management server to determine the number and location of the play ends that can broadcast the video data.

Compared with the prior art, the management server used in the present invention can send a command signal to the playing end, thereby controlling the playing end to update the video and audio data and controlling the audio and video display device to play the video and audio data. That is to say, the video and audio broadcasting system and method of the present invention not only eliminates the cost of wiring through two-way wireless communication, but also enables the management server to directly control the data update and video and audio playback of the playing end through the controlled mode of the playing end, thereby achieving the above object.

The above and other objects, features, and advantages of the present invention will become more apparent and understood.

10‧‧‧Video Broadcasting System

20‧‧‧Wireless signal

120‧‧‧Management Server

122‧‧‧Video Library

124‧‧‧Customer list

126‧‧‧Management interface module

140‧‧‧Player

141‧‧‧Antenna

142‧‧‧ memory

144‧‧‧Video display device

200‧‧‧Internet

S10~S40‧‧‧Steps

1 is a schematic block diagram of a video broadcasting system according to a preferred embodiment of the present invention.

2 is a flow chart of a method for broadcasting audio and video according to a preferred embodiment of the present invention.

Several preferred embodiments of the present invention are detailed by the figures and the following description In the different figures, the same reference numerals are used to refer to the same or the like.

Please refer to FIG. 1. FIG. 1 is a schematic block diagram of a video broadcasting system according to a preferred embodiment of the present invention. The video broadcast system 10 of this embodiment includes a management server 120 and a plurality of play ends 140. The management server includes a video library 122 for storing video and audio data. Specifically, the audiovisual material may be multimedia materials such as advertisements, movies, and programs. In this embodiment, the management server 120 is built on the platform of the personal computer, and a communication protocol is established between each of the playback terminals 140 and the management server 120.

The play ends 140 are configured to perform a two-way wireless communication with the management server 120. Further, the two-way wireless communication includes a communication protocol such as Wi-Fi, Bluetooth, 3G, 4G or 5G. In this embodiment, the player 140 communicates with the management server 120 via the Internet 200. For example, each play end 140 is provided with an antenna 141, which can receive/issue 3G, 4G or 5G wireless signals 20 to connect to the Internet 200. However, in other embodiments, such as close-range applications, the antenna 140 of the playback end 140 can also receive/issue Wi-Fi or Bluetooth to communicate directly with the management server 120.

As shown in FIG. 1 , each play end 140 includes a memory 142 for storing the video and audio information, and a video display device 144 for transmitting the video and audio material. It is worth mentioning that the video material includes a video file and/or an audio file. That is to say, the video material can add sound to the image, only the image has no sound, or only the sound has no image. Preferably, the audio and video display device 144 of the playing terminal 140 is a liquid crystal display (LCD). However, the present invention is not limited thereto, and display devices such as a plasma display, an organic light emitting display, an electronic paper, a projector, and the like are also within the scope of the present invention.

The management server 120 can send a plurality of command signals (not shown) to the playing terminals 140 for controlling the playing ends 140 to update the video and audio materials, and controlling the video and audio display devices 144 of the playing terminals 140. Play the video material. The management server 120 can transmit the command signal to the playing terminal 140 after connecting to the Internet 200. Further, the command signals include a download command for controlling the play ends 140 to download the video and audio data to the video library 122 to update the video and audio materials originally stored in the memory 142.

Similarly, the command signals may also include a cycle instruction for controlling the cycle in which the player 140 broadcasts the video material. Specifically, the cycle includes hourly, daily, weekly, or system startup. In the near-end application, when the playing end 140 enters the Wi-Fi or Bluetooth signal range, the playing end 140 receives the command signal, and controls the video display device 144 to broadcast the video and audio information, such as a specific advertisement. According to the mode of operation described above, the system controls the playback end 140 to broadcast the video and audio for loop playback instead of real time playback, so the bandwidth requirement is not high. Moreover, the playback terminal 140 stores the downloaded video and audio data in the memory 142, so that no discontinuous situation occurs during playback.

In this embodiment, the management server 120 further includes a client list 124 for registering the playing terminals 140 for determining the number and location (web address) of the playing ends 140 that can broadcast the video and audio materials. Through the application of the customer list 124, if a new player 140 wants to join the broadcast system, by adding a location (URL) data to the client list 124, the join queue can be completed. In detail, the customer list 124 is used to enable the player 140 to obtain the relevant authentication from the management server 120 for the identity of the joining user or a user in the network. As can be seen from the above, the system has flexible expandability and does not require rewiring to add a new player 140. In addition, the client list 124 can also be used for communication between the playback terminal 140 and the management server 120. The management protocol enables the management server 120 to supervise the communication status of any of the playback terminals 140.

In this embodiment, the playback terminal 140 has a controlled mode and an uncontrolled mode. When the play ends 140 are in the controlled mode, the two-way wireless communication can be performed with the management server 120, that is, the control signal 140 is controlled by the play terminal 140. When the play ends 140 are in the uncontrolled mode, the two-way wireless communication cannot be performed with the management server 120, that is, the command signal cannot be received.

For example, the play ends 140 are mobile devices such as mobile phones. The mobile device is provided with an application for switching the mobile device to the controlled mode, and playing the video data stored in the memory 142 according to the command signals. Specifically, if the user opens the application, it can be considered to enter the controlled mode. If the application is closed, it can be considered to enter the uncontrolled mode. Preferably, the application includes a multimedia playback unit that can be used to decode a movie that the mobile device cannot encode.

In other embodiments, the playing end 140 is a liquid crystal display having a wireless transceiver module, and the video display device 144 is the liquid crystal display. Alternatively, an external wireless transceiver module is connected to the general liquid crystal display, and the wireless transceiver module is connected through the audio signal jack of the liquid crystal display to control the playback of the liquid crystal display.

It is worth mentioning that the management server 120 further includes a management interface module 126. The management interface module 126 is configured to provide a user to set the content of the video material. For example, the management interface module 126 can be a human interface, for example, including a plurality of menus for the administrator to upload the desired movie, so that the movie can be stored in the 122, and the video is broadcasted. However, in addition to the function of uploading a movie, the playback terminal 140 may be managed or the content in the video library 122 may be managed. For example, for advertisers, Each advertisement film is assigned an allocation weight to determine the number of times the advertisement is played and the cycle period. In detail, if the weight of the video material is heavier, it has a higher weight, that is, has more play times and a shorter cycle time. Similarly, if the weight of the video material is lighter, it has a lower weight, that is, has fewer play times and a longer cycle period.

In this embodiment, the customer list 124 can divide the play ends 140 into a plurality of groups according to different advertisers. Each group may include multiple play ends 140, such as 10 or 30 other numbers, and each group has a different management system and channel. Specifically, the playing ends 140 of the groups may be controlled by the management server 120 to separately broadcast different video and audio materials.

The video and audio broadcasting method using the above-described video broadcasting system will be described in detail below. Please refer to FIG. 1 and FIG. 2 together. FIG. 2 is a flowchart of a method for broadcasting audio and video according to a preferred embodiment of the present invention. The video broadcast system 10 includes a management server 120 and a plurality of playing ends 140. The video library 122 is configured to store video and audio data. The playing end 140 is configured to perform two-way wireless communication with the management server 120. Each of the playing ends 140 includes a memory 142 for storing the video and audio information, and a video display device 144 for broadcasting the video and audio materials. Please refer to the above for a detailed description of the above components, and will not be described here. As shown in Fig. 2, the video broadcasting method starts in step S10.

In step S10, the client terminals 140 are registered to the client list of the management server 120 to determine the number and location of the play terminals 140 that can broadcast the video data, and then step S20 is performed.

In step S20, the management server 120 transmits a plurality of command signals to the play terminals 140, and then performs step S30.

In step S30, the command signals control the play ends 140 to update the image. The sound data is then executed in step S40. In this step, the command signals include a download command for controlling the play ends 140 to download the video material to the video library 122 to update the video data stored in the memory 142.

In step S40, the command signals control the video display device 144 of the play terminals 140 to play the video material. In this step, the command signals include a cycle instruction for controlling a cycle in which the video display device 144 broadcasts the video material. Specifically, the cycle includes hourly, daily, weekly, or system startup. However, the invention is not limited thereto.

It should be noted that the steps of the video broadcasting method described in the foregoing embodiments may be directly embodied in a hardware, in a software module executed by a processor, or a combination of the two. The software module can reside in random access memory (RAM), flash memory, read only memory (ROM), programmable read only memory (PROM), and erasable programmable read only memory ( EPROM), electrically erasable programmable read only memory (EEPROM), scratchpad, hard disk, removable disk, compact disk read-only memory (CD-ROM), or any known in the art Other forms of non-transitory computer readable storage media.

In summary, the management server 120 used in the present invention can send a command signal to the playing end 140, thereby controlling the playing end 140 to update the video and audio data and controlling the video and audio display device 144 to play the video and audio data. That is to say, the video and audio broadcasting system and method of the present invention not only eliminates the cost of wiring through two-way wireless communication, but also allows the management server 120 to directly control the data update and video and audio playback of the playing terminal 140 through the controlled mode of the playing terminal 140. Thereby achieving the above purpose.

Although the invention has been described above in terms of a preferred embodiment, it is not intended to limit the invention. Those of ordinary skill in the art to which the present invention pertains, without departing from the spirit of the invention And within the scope, when a variety of changes and retouching can be made. Therefore, the scope of the invention is defined by the scope of the appended claims.

10‧‧‧Video Broadcasting System

20‧‧‧Wireless signal

120‧‧‧Management Server

122‧‧‧Video Library

124‧‧‧Customer list

126‧‧‧Management interface module

140‧‧‧Player

141‧‧‧Antenna

142‧‧‧ memory

144‧‧‧Video display device

200‧‧‧Internet

Claims (18)

An audio-visual broadcasting system comprises: a management server, comprising a video library, the audio-visual database is used for storing audio-visual data; and a plurality of playing ends for performing two-way wireless communication with the management server, each playing The terminal includes a memory for storing the audio and video data, and the audio and video display device is configured to broadcast the video and audio data; wherein the management server sends a plurality of command signals to the playing ends for controlling The playing end updates the video and audio data, and the video and audio display device that controls the playing ends plays the video and audio data. The video broadcast system of claim 1, wherein the management server further includes a client list for registering the play ends for determining the number and location of the play ends that can broadcast the video material. The video broadcast system of claim 2, wherein the client list divides the play ends into a plurality of groups. The video broadcasting system of claim 3, wherein the management server controls the playing ends of the groups to respectively broadcast different audio and video materials. The video broadcasting system of claim 1, wherein the playing ends have a controlled mode and an uncontrolled mode when the playing ends are in the controlled mode. The two-way wireless communication can be performed with the management server. The video broadcast system of claim 1, wherein the management server further comprises a management interface module configured to provide a user to set the content of the audio and video material. The video broadcast system of claim 1, wherein the command signals include a download command, and the download command is used to control the play ends to download the video data to the video library to update the memory. The video material. The video broadcasting system of claim 1, wherein the command signals include a cycle instruction for controlling a cycle of broadcasting the video material. The video broadcasting system of claim 8, wherein the cycle period includes hourly, daily, weekly, or system startup. The video broadcasting system of claim 1, wherein the playing end is a mobile device, the mobile device is provided with an application, the application is configured to switch the mobile device to a controlled mode, and according to the The command signals play the video material stored in the memory. The audio-visual broadcasting system of claim 1, wherein the audio-visual display device of the playing end is a liquid crystal display, a plasma display, an organic light-emitting display, an electronic paper, or a projector. The video broadcasting system of claim 1, wherein the two-way wireless communication comprises Wi-Fi, Bluetooth, 3G, 4G or 5G. The audio-visual broadcasting system of claim 1, wherein the audio-visual material comprises an image file and/or a sound file. An audio-visual broadcasting system for an audio-visual broadcasting system, the audio-visual broadcasting system includes a management server and a plurality of playing ends, wherein the audio-visual data library is used for storing video and audio data, and the playing ends are used for performing two-way wireless communication with the management server. Each of the playing ends includes a memory and an audio-visual display device for storing the audio-visual data, and the audio-visual display device is configured to broadcast the video and audio data, and the video broadcasting method includes: Sending, by the management server, a plurality of command signals to the play ends; controlling the play ends to update the video and audio data; and controlling the audio and video display devices of the play ends to play the video and audio data. The video broadcast method of claim 14, further comprising registering the play terminals to a client list of the management server for determining the number and location of the play ends that can broadcast the video data. The video broadcast method of claim 14, wherein the command signals include a download command, the download command is used to control the play ends to download the video data to the video library to update the memory stored in the memory. The video material. The video broadcasting method of claim 14, wherein the command signals include a cycle instruction for controlling a cycle of broadcasting the video material. The video broadcasting method of claim 17, wherein the cycle period includes hourly, daily, weekly, or system startup.