TWI505244B - Media player system - Google Patents

Description

Media playback system

The present invention relates to a media playback system, and more particularly to a low cost, easy to install and customized media playback system.

The history of human use of advertising has been quite long. From the ancient word of mouth, until the 15th and 16th centuries, after the widespread use of printing in Europe, modern advertising that truly conforms to the promotion and informs the public of the meaning of specific messages is official. Appeared, and then with the spread of newspapers, magazines, posters, cloth and other media around the world, the way of advertising, methods and market benefits have gradually received attention and research, and large fixed static advertising billboards are also coming. The more, the fixed static advertising billboards, because they can only continuously display a single screen, so that the fixed static advertising billboards can deliver a very limited message, and the lack of light and shadow effects is difficult to attract people's attention; with the digital age With the advent, the advertising methods have also undergone diverse variations. Soon, people find that dynamic and dazzling advertising methods and visual effects are more attractive to the average person than traditional static large-sized advertising billboards. The message has a dynamic light and shadow effect, and has better advertising effects, so there is Related companies have developed large-scale digital display systems to meet the demand for digital large-scale advertising.

Please refer to FIG. 6 , which is a common large-scale digital display system in the prior art, which is mainly connected to a remote control unit 92 , a large-area light-emitting diode kanban 93 and two speakers 94 by a multimedia computer host 91 . The multimedia computer host 91 is configured to receive and parse a multimedia file sent by any video host, and decode and re-encode the received multimedia file to generate an image coded information and transmit a light-emitting diode The body controller 95 is transmitted to the LED display panel 93, and simultaneously generates a voice coded information to be transmitted to the second speaker 94 through an audio amplifier circuit 96; thereby, if the multimedia computer host 91 continuously receives and analyzes the plurality of speakers In the multimedia file, the multimedia computer host 91 continuously encodes a plurality of image coded information and a plurality of voice coded information, so that the light-emitting diode kanban 93 and the second speaker 94 continue to output images and sounds respectively to achieve a large number of digits. The purpose of advertising audio and video output.

However, in the above-mentioned prior art large-scale digital display system, since the input multimedia file must be subjected to an instant and complicated video and audio encoding operation, the multimedia computer host 91 must be included in the system, thereby making the weight of the entire digital display system difficult. The reduction is not only expensive for the advertising payer, but also the heavy weight is also difficult to handle; on the other hand, the digital display system only contains a large area of the LED illuminator 93, In actual construction, it is difficult to optimize according to the surface fluctuations in the on-site environment, or freely configure any shape according to customer requirements, so as to facilitate installation and customization. Therefore, it is necessary to make further improvements to the large-scale digital display system.

In view of this, the main object of the present invention is to provide a media playing system which has the characteristics of being customizable, and the overall media playing system has a lighter weight, thereby achieving low cost and easy installation.

In order to achieve the above object, the main technical means adopted by the present invention is that the media playing system comprises: a control module comprising a microprocessor and a portable storage media interface, the portable storage medium The interface is connected to the microprocessor for connecting to a portable storage medium storing video stream data for the microprocessor to access video stream data on the portable storage medium; The interface is connected to the microprocessor of the control module for transmitting and receiving video stream data through the network; more than one video control module is connected to the microprocessor of the control module through the network transmission interface More than one multimedia light board is connected to the corresponding video control module; the foregoing media playing system is configured by the microprocessor to read the streaming data stored on the portable storage medium through the portable storage medium interface, via the network The transmission interface is transmitted to the video control module to drive the multimedia light panel to generate the situational lighting or illumination, and the pre-encoded stream data is transmitted through the above technology. The microprocessor reads the storage media for playback, thus no need to provide multimedia host computer, media player system helps to reduce the weight and cost reduction.

In the present invention, the microprocessor receives the pre-encoded video stream data in the portable storage medium, so when using the present invention, the microprocessor can directly stream the video stream through the network. The transmission interface is transmitted to the video control module for playback without the need to set up a multimedia computer host with instant coding function, thereby reducing the overall weight and having the advantage of low cost; moreover, more than one multimedia light board can be used Arbitrarily arranged, well-matched with the setting environment, or according to the user's needs, a plurality of multimedia panels are joined to a display area of any aspect ratio and size, and the combination of easy installation and customized arrangement is achieved.

In the following, in conjunction with the drawings and a preferred embodiment of the present invention, the technical means adopted by the present creation for achieving the purpose of creation are further explained.

Referring to FIG. 1 and FIG. 2, a control module 10, a network transmission interface 20, a plurality of video control modules 30, and a plurality of multimedia light boards 40 are included in a preferred embodiment of the present invention. At least one speaker 50, an amplifier 60 and a power module 70. In this embodiment, a plurality of multimedia light panels 40 are formed into a multimedia light panel array 41; the speaker 50 is connected to the control module 10 through the amplifier 60; and the control module 10 transmits the network transmission interface through the network 20 is respectively connected to each video control module 30, and each video control module 30 is respectively connected to more than one multimedia light board 40; the power supply module 70 is supplied with a voltage (Vcc) of 24 volts, and is electrically connected to the control mode respectively. The group 10, the network transmission interface 20, each video control module 30, each multimedia light board 40, each speaker 50, and the amplifier 60.

The control module 10 includes a microprocessor 11 , a portable storage medium interface 12 , a radio frequency module 13 , a universal serial port adapter 14 , a first memory unit 15 , and an Ethernet transceiver 16 . An audio decoder 17, a digital analog converter 18 and a first DC transformer 19; the portable storage medium interface 12 is connected to the microprocessor 11 for connecting to a video stream data. The portable storage medium is used by the microprocessor 11 to access the video stream data on the portable storage medium. In this embodiment, the portable storage medium is a secure digital memory card (Secure Digital Memory Card). The SD card is generally referred to as an SD card, and the portable storage medium interface 12 is a secure digital card slot, that is, an SD card slot; the RF module 13 is connected to the microprocessor 11. In this embodiment, the radio frequency module 13 is compatible with the 2.4G wireless communication specification for connecting with a remote controller, so that the microprocessor 11 can receive the command of the remote controller; the universal serial port adapter The 14 series is connected to the microprocessor for connecting to a control keyboard. In this embodiment, the universal serial port adapter 14 is connected to the control keyboard through an RS232 connector, so that the microprocessor 11 can receive the command of the control keyboard; the first memory unit 15 is connected to the micro The processor 11 is connected. In this embodiment, the first memory unit 15 is an electrically erasable EEPROM (Electrically Erasable Programmable Read Only Memory (EEPROM)), which stores a set of network IP location information; The Ethernet transceiver 16 is connected between the microprocessor 11 and the network transmission interface 20 for enabling the microprocessor 11 to send and receive data through the network transmission interface 20; the audio decoder 17 Connected to the microprocessor 11 and connected to the amplifier 60 via the digital analog converter 18. In this embodiment, the digital analog converter 18 is connected to the amplifier 60 via an RCA connector; A DC transformer 19 is used to step down the voltage supplied by the power module 70 by 24 volts (Vcc) to a driving voltage of 3.3 volts (Vdc) of a general chip, and electrically connect the microprocessor 11 to the RF module, respectively. 13, the universal serial port adapter 14. The memory unit 15, the Ethernet transceiver 16, the audio decoder 17, and the digital analog converter 18.

In this embodiment, the network transmission interface 20 is an Ethernet hub for managing network communication, and the network transmission interface 20 is further connected to a wireless network base station 21, The network transmission interface 20 is connectable to any compatible mobile device via the wireless network base station 21 for receiving instructions from the mobile device and transmitting to the microprocessor 11.

As shown in FIG. 3, the video control module 30 includes a video control processor 31, an Ethernet transceiver 32, a second memory unit 33, a universal serial port adapter 34, and a second The DC converter 35 is configured to communicate with the network transmission interface 20 through the Ethernet transceiver 32, and the video control processor 31 transmits the multimedia light through the universal serial port adapter 34. The memory unit 33 is connected to the video control processor 31. In this embodiment, the second memory unit 33 is an electronic erasable rewritable read-only memory (EEPROM), which stores one. The network IP location information corresponding to the first memory unit 15 is used for communication verification; the second DC transformer 35 is configured to step down the voltage provided by the power module 70 by 24 volts (Vcc) into a general The driving voltage of the chip is 3.3 volts (Vdc), and is electrically connected to the video control processor 31, the Ethernet transceiver 32, the memory unit 33, and the universal serial port adapter 34, respectively.

In this embodiment, each of the multimedia light boards 40 is connected to the corresponding video control module 30, and is mainly formed by arranging a plurality of light emitting diode arrays on one substrate, and is composed of one or more light emitting diodes. One pixel (Pixel) is used.

Before using the present invention, according to the size and resolution of the multimedia light board array 41, the original video file is pre-played for decoding and re-encoding, and then the streaming data is obtained, and the pre-coding conversion is completed. The streaming data is stored in the portable storage medium; then, when the invention is started, the portable storage medium is first connected to the portable storage medium interface, so that the microprocessor 11 can be used by the microprocessor 11 The portable storage medium interface accesses the streaming data in the portable storage medium. The streaming data may include audio streaming data in addition to the video streaming data, and the microprocessor 11 streams the audio data. The audio decoder 17 is transmitted to the audio decoder 17 and sequentially transmitted to the at least one speaker 50 through the digital analog converter 18 and the amplifier 60 to emit sound; and at the same time, the microprocessor 11 is configured to view the video stream data. The sequence is transmitted to the plurality of video control modules 30 through the Ethernet transceiver 16 and the network transmission interface 20, and the video control processor 31 in the video control module 30 receives the network through the Ethernet. The device 32 receives the video stream data from the network transmission interface 20, and then transmits the data to the multimedia light board array 41 through the universal serial port adapter 34 to control a plurality of multimedia light boards in the multimedia light board array 41. 40, and generate situational lighting or lighting, and with the Yangsheng 50 to achieve sound and light effects. When the user uses the present invention, the image and audio can be switched through a control keyboard, a remote controller or a mobile device.

Referring to FIG. 4, a first use example of a preferred embodiment of the present invention is to place the media playing system in a box, and the plurality of multimedia light boards 40 are arranged in a plurality of parallel strips. And transparent to the outside of the box.

Referring to FIG. 5, in a second use example of the preferred embodiment of the present invention, the multimedia light panel array 41 of the media playing system is arc-shaped and further disposed on the light emitting surface of each multimedia light board 40. There are half of the transparent cover 80, and the surface of the translucent cover 80 can be provided with a plurality of patterns or characters to cause different visual effects after being projected by the plurality of multimedia lamps 40.

Therefore, the media playback system reads the stream data stored on the portable storage medium through the portable storage medium interface 12 through the portable storage medium interface 12, and transmits the data to the video control module 30 via the network transmission interface 20. Driving the multimedia light board 40 to generate situational lighting or illumination, and the sound and light effect can be achieved by the speaker 50. The above technology is to read and convert the pre-encoded stream data through the portable storage medium for reading and playing by the microprocessor 11, so that it is not necessary Setting up a multimedia computer host can help reduce the weight of the media playback system and reduce the cost; and more than one multimedia light board 40 can be arranged by the user to be arbitrarily matched with the setting environment, or more than the user needs The multimedia light panel 40 engages a display area of any aspect ratio and size area for the purpose of easy assembly and customization. On the other hand, the present invention can also be applied to a general static large-scale advertisement, such as the semi-transparent cover 80 provided with a plurality of patterns or characters as described above, so as to have a dynamic light and shadow effect, further attracting people's attention and improving static. The advertising effectiveness of large ads.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the present invention, any simple modifications, equivalent changes and modifications made to the above embodiments are still within the scope of the present technical solution.

10‧‧‧Control Module
11‧‧‧Microprocessor
12‧‧‧Portable storage media interface
13‧‧‧RF Module
14‧‧‧Universal Serial Adapter
15‧‧‧First memory unit
16‧‧‧Ethernet transceiver
17‧‧‧Optical decoder
18‧‧‧Digital Analog Converter
19‧‧‧First DC Transformer
20‧‧‧Network transmission interface
21‧‧‧Wireless Network Base Station
30‧‧‧Video Control Module
31‧‧‧Video Control Processor
32‧‧‧Ethernet transceiver
33‧‧‧Second memory unit
34‧‧‧Universal Serial Adapter
35‧‧‧Second DC transformer
40‧‧‧Multimedia light board
41‧‧‧Multimedia light panel array
50‧‧‧Speakers
60‧‧‧Enlarger
70‧‧‧Power Module
80‧‧‧ semi-transparent cover
91‧‧‧Multimedia computer host
92‧‧‧Remote unit
93‧‧‧Lighting diode board
94‧‧‧Two speakers
95‧‧‧Lighting diode controller
96‧‧‧Audio amplifier circuit

1 is a block diagram of a circuit in accordance with a preferred embodiment of the present invention. 2 is a circuit block diagram of a control module in accordance with a preferred embodiment of the present invention. 3 is a circuit block diagram of a video control module according to a preferred embodiment of the present invention. FIG. 4 is a first use example of a preferred embodiment of the present invention. Figure 5 is a second use example of a preferred embodiment of the present invention. Figure 6 is a system block diagram of a prior art large digital display system.

10‧‧‧Control Module

20‧‧‧Network transmission interface

21‧‧‧Wireless Network Base Station

30‧‧‧Video Control Module

40‧‧‧Multimedia light board

41‧‧‧Multimedia light panel array

50‧‧‧Speakers

60‧‧‧Enlarger

70‧‧‧Power Module

Claims (9)

A media playback system includes: a control module comprising a microprocessor and a portable storage media interface, the portable storage media interface being coupled to the microprocessor for connecting a storage The portable storage medium of the video stream data, wherein the microprocessor accesses the video stream data on the portable storage medium; a network transmission interface is connected to the microprocessor of the control module, Transmitting and receiving video streaming data through the network; more than one video control module is connected to the microprocessor of the control module through the network transmission interface; more than one multimedia light board and corresponding video control module The media connection system is configured to read the stream data stored on the portable storage medium through the portable storage medium interface, and transmit the data to the video control module to drive the multimedia light board through the network transmission interface. Situational lighting or lighting. The media playing system of claim 1, wherein the control module further comprises a radio frequency module, a universal serial port adapter, a first memory unit, an Ethernet transceiver, an audio decoder, and a a digital analog converter and a first DC transformer, the RF module is connected to the microprocessor for connecting with a remote controller; the universal serial port adapter is connected to the microprocessor for Controlling a keyboard connection; the first memory unit is coupled to the microprocessor and stores a set of network location information; the Ethernet transceiver is coupled between the microprocessor and the network transmission interface; The audio decoder is respectively connected to the microprocessor and the digital analog converter; the first DC transformer is used for stepping down the voltage, and electrically connecting the microprocessor, the RF module, and the universal serial port respectively. a connector, the first memory unit, the Ethernet transceiver, the audio decoder, and the digital analog converter. The media playing system of claim 2, further comprising an amplifier, at least one speaker, and a power module, wherein the amplifier is connected to the audio decoder through the digital analog converter, and the speaker is expanded by the speaker The machine is connected to the digital analog converter, and the power module is electrically connected to the first DC transformer of the control module, the network transmission interface, the video control modules, the multimedia light boards, the speakers, and the amplifier. . The media playback system of any one of claims 1 to 3, wherein the video control module includes a video control processor, an Ethernet transceiver, a second memory unit, and a universal serial port. And the second DC transformer; wherein the video control processor communicates with the network transmission interface through the Ethernet transceiver, and the video control processor transmits the multimedia light through the universal serial port adapter The second memory unit is connected to the video control processor and stores a set of network location information; the second DC transformer is configured to step down the voltage provided by the power module and electrically connect respectively The video control processor, the Ethernet transceiver, the second memory unit, and the universal serial port adapter. The media playback system of claim 4, wherein the network transmission interface is further coupled to a wireless network base station for connecting to any compatible mobile device via the wireless network base station. The media playing system of claim 5, wherein the portable storage medium is a secure digital card, and the portable storage medium interface is a secure digital card slot. The media playing system of claim 6, wherein each of the multimedia light boards is mainly formed by arranging a plurality of light emitting diode arrays on a substrate, and one or more light emitting diodes are used for forming one pixel. The media playback system of claim 7, wherein the first memory unit and the second memory unit are both electronically erasable and rewritable read-only memory, and the network transmission interface is an Ethernet hub. . According to the media playing system of claim 8, a light transmissive cover is further disposed on the light emitting surface of each multimedia light board.