CN101227522B

CN101227522B - Interactive advertisement system

Info

Publication number: CN101227522B
Application number: CN2007100364671A
Authority: CN
Inventors: 毛倩; 曾小清; 徐伯庆
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2007-01-15
Filing date: 2007-01-15
Publication date: 2011-05-18
Anticipated expiration: 2027-01-15
Also published as: CN101227522A

Abstract

An interaction advertisement system relates to the electronic advertisement technology field, which aims to solve the technical problems that the advertisement content is conveniently updated, and the remote control of the advertisement spread is realized. The advertisement system comprises an advertisement player terminal and a server background, wherein the advertisement player terminal is provided with a main controller and a main processor of a media processor which are respectively connected with the terminal internal memory, a terminal external memory, a starting ROM, a wireless network interface, a sound card chip, an LCD screen, a keyboard and a power supply of the main processor, and the server background comprises a management module for playing video files, a program playing menu management module, a program playing menu management module, a playing log view module, a working state monitoring module and an on-off control module. The invention can increase the advertisement variety and the coverage percentage of the advertisement, improves the concern extent of receivers, is convenient for the updating of the advertisement, and can realize the characteristics of remote control, remote updating, remote diagnosis and remote monitoring of the function of the advertisement spread and the like.

Description

Interactive advertising system

Technical Field

The invention relates to an electronic advertisement technology, in particular to an interactive advertisement system technology.

Background

The advertising machine is mainly divided into two categories at present, one category is a single machine playing mode with a memory, the other category is mainly occasions such as buildings, elevators, subways and the like, the advertising machine is mostly a liquid crystal machine, each machine is provided with own storage equipment for storing media advertisements, and playing contents are controlled by a single machine; the other type is a network interconnection playing mode without a storage device, mainly comprises advertisement machines in supermarkets, large stores and the like, the machines are provided with a control center, the played content is completely controlled by the control center, usually, an interconnected machine group plays the same content, each advertisement machine terminal is connected with a central controller through a VGA (VIDEO graphics array) line or a VIDEO/SVIDEO line and the like, the advertisement machine terminal only serves as a display, and the media playing function is completely finished by the central controller. The single machine playing mode is the mainstream of the current advertisement media, the application field is wide, the coverage is wide, the form of playing the media is flexible, but the updating of the film source must be carried out one by one through a manual mode, and a great deal of time and energy are needed for a network operator when the advertisement is replaced every time. The advertisement machines without storage devices are limited in use area, and all the machines playing the contents are the same, so that the flexibility is lacked. Moreover, these two advertisement machines are not connectable to a wide area network, and lack interactivity and remote control capabilities.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an interactive advertisement system which can increase the variety of advertisement services, increase the coverage rate of advertisement machines, improve the attention degree of audiences to the advertisement machines, facilitate the updating of advertisement contents, and realize the functions of remote control, remote updating, remote diagnosis, remote monitoring and the like of advertisement propagation.

In order to solve the technical problem, the interactive advertising system provided by the invention is characterized by comprising an intelligent advertising machine terminal with a network interface and a server background; wherein

The advertisement player terminal includes:

the main processor is provided with a main controller and a media processor; the main controller is used for controlling the operation and configuration of the whole terminal, drawing an OSD (on screen menu display) interface and responding to the key of a user and the event of a remote controller; the media processor is internally provided with a media acceleration engine which is used for decoding video and audio signals and can realize the direct decoding and playing of video files; such as decoding video in the format of MPEG-2, MPEG-4, H.264, RM, VOB, etc.;

a terminal memory (SDRAM) connected with the main processor;

the terminal external memory is connected with the main processor and is used for storing video to be played, user information, all video files, a play list and other play information;

starting ROM (FLASH memory) and connecting main processor;

the wireless network interface is connected with the main processor, supports the existing access modes such as WIFI, GPRS, CMDA, Ethernet and the like, and is used for realizing the connection between the interactive intelligent advertising player terminal and the server background through a wide area network;

the sound card chip (AUDIO) is connected with the main processor;

the LCD screen is connected with the main processor through the TFT-LCD module and is used for finishing the display of user information, OSD menus, video images and the like;

the keyboard, the power supply and the like are respectively connected with the main processor;

the server background comprises:

the playing video file management module: the video file deletion and downloading control system is used for controlling the deletion and downloading of the video file of the advertising player terminal;

the program playing menu management module: the system is used for managing the program playing menu on the advertising player terminal, and comprises the steps of arranging the playing sequence, time, times and the like of programs, wherein the program playing menu is arranged and managed according to the time sequence;

the play log viewing module: the system comprises a server, a client and a server, wherein the server is used for acquiring playing information of an advertising player terminal according to the requirements of a client;

the working state monitoring module: the system is used for acquiring the working state information of the advertising machine terminal, including the fault diagnosis information, the on-off execution condition and the like of the machine;

the on-off control module: the method is used for setting the starting time and the shutdown time of the advertisement player.

Further, the terminal is stored outside as a CF/SD card which can be conveniently detached. The CF/SD card is used as a main storage module of the advertising machine terminal so as to update the content and control information of the played advertisement in a detachable mode.

Furthermore, the wireless network interface is a digital trunking mobile communication private network GPRS (general packet radio service), CDMA (code Division Multiple access), Ethernet wireless network interface, when using GPRS or CDMA, it is impossible to have real-time performance because of the limitation of transmission rate, but the system downloads the video file from the server by using idle time and stores it in the card. In all the uploaded and downloaded services, the priority for downloading video data is the lowest, and when there are other services (such as user's interactive services, system's play list, system's play log, etc.) that need to be uploaded and downloaded, the video download is temporarily interrupted to guarantee the bandwidth of other services, so the system must support the function of breakpoint resume.

Further, the wireless network interface is a WLAN interface for connection of a local area network; in some places where the terminals of the advertisement machines are concentrated, a local area network can be established, and the terminals of the advertisement machines are connected with the server background through an Internet network by a local area network server. Therefore, the speed problem of the network is solved, and the operation cost of the network is reduced.

Furthermore, the sound card chip is provided with an independent amplifier, and can directly drive a loudspeaker.

Furthermore, the LCD screen is provided with a touch screen and is connected with the main processor through a touch screen interface, and the input mode is a touch pen and a finger.

Furthermore, the playing video file management module comprises a terminal number setting unit, an existing file list reading unit, a file list editing unit and a file downloading unit.

Further, the software on the main processor of the advertiser terminal comprises: OSD interface, PIP display program, user input control program, WEB browser, play list control program, play log generation program, fault diagnosis program, media player, caption superimposer, caption player, startup and shutdown control program, file uploading and downloading program, breakpoint resuming and downloading management, CF card read-write program, etc.

Furthermore, the advertising player terminal is provided with a USB interface connected with the main processor.

The interactive advertising system provided by the invention has the following beneficial effects on the existing building advertising industry:

1) the variety of the advertisement service can be increased. Due to the adoption of the data service, various data services can be developed while the video is played, and a large amount of data information is provided;

2) the coverage of the advertising machine may be increased. By adopting the advertising machine, a large number of places for putting the advertising machine can be increased, and corresponding customer demands can be found in residential areas, streets, bus stations and the like, and the advertising machine is not limited to places such as existing buildings and the like;

3) increasing audience focus of the advertiser. Some public service information such as weather forecast, trip information and the like can be played in the advertising machine so as to improve the dependence degree of citizens on the advertising machine and further increase the attention degree of the advertising machine;

4) the traffic that needs frequent updates and real-time updates will increase significantly. Because the traditional advertising machine needs to update the advertisement film source manually, the operation cost of the advertisement business which needs to be updated every day or even close to real time is too high, so that the advertisement business is difficult to receive;

5) the transition to the role of the city information terminal can be easily made. The advertising machine, like a simple computer system, makes expensive computers simple, civilized, and public. Because the Internet can be accessed through the CDMA module of the advertising machine, the advertising machine can be a supplement to Internet information service terminals, the customization of the Internet information service is realized, and the market is ever huge along with the increase of the information terminals and the improvement of the receiving degree of citizens.

Drawings

FIG. 1 is a block diagram of a smart advertiser terminal in an embodiment of the present invention;

FIG. 2 is a block diagram illustrating a start-up process of a terminal of a smart advertisement player according to an embodiment of the present invention;

fig. 3 is a schematic block diagram of a WLAN local area network application in an embodiment of the present invention;

FIG. 4 is a schematic block diagram of an Ethernet network application in the embodiment of the present invention;

FIG. 5 is a schematic block diagram of a GPRS/CDMA/3G network application in an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings, but the embodiments are not intended to limit the invention, and all similar structures, methods and similar variations using the present invention shall fall within the scope of the invention.

As shown in fig. 1, in the interactive advertisement system according to the embodiment of the present invention, the advertisement terminal includes:

a main processor: including a main controller, a video decoder (media processor). The main controller controls the operation and configuration of the whole system, draws an OSD interface and responds to the key and remote control events of a user; the video decoder is responsible for decoding video signals, such as decoding formats of MPEG-2, MPEG-4, H.264, RM, VOB and the like;

the advertising machine terminal needs to play video images, and videos have various formats, such as MPEG-2, MPEG-4, H.264, WMV, RM and the like, and can be in standard definition or high definition. At present, video decoding modules are generally divided into two types, one is a DSP scheme, and the video decoding of the DSP scheme needs firmware to be completed cooperatively; the other is an SOC scheme, and the decoding of the video is completed by the chip.

The main processor of the embodiment of the invention is AMD Alchemy Au1200, which is a 32-bit processor with low power consumption and high performance, adopts an MIPS core, has a main frequency of 500MHZ, is internally provided with a high-performance DSP function, and is internally provided with a hardware media acceleration engine. The main characteristics include: the power consumption is extremely low: <400mW @400 MHz; DDR1 and DDR2 memory are supported; support NAND FLASH startup; the built-in Media Acceleration Engine (MAE) can decode videos in MPEG-1, -2, -4, H.263 and WMV9 formats through hardware, and realizes direct decoding and playing of video files without an external DSP. The hardware supports the conversion of color space and the transformation of images, and the USB2.0 controller supports the OTG mode with HOST and SLAVE functions; an LCD controller with 32bit RGB color resolution; a camera interface is equipped; AES-128 hardware data encryption/decryption; the programmable serial controller supports IIS, AC97, SPI, SMBus. The embodiment of the invention is a system solution with low power consumption and high performance, and supports various standard media formats, including MPEG-1, MPEG-2, MPEG-4, WMV9, H.263, DivX, XVID, MP3, WMA, WAV, ASF, AVI and JPEG; the main processor can be extended directly to larger area screens (1024 x 768) without affecting the image quality, making the choice of display screen large and enabling use of different fields.

Terminal memory (SDRAM): the terminal memory of the embodiment of the invention is connected with a main processor, adopts beautiful DDR266SDRAM with the model number of MT46V32M16TG, adopts a form of two parallel-connected pieces, has the total capacity of 128MB, the data bit width of 32bit and the memory bandwidth of 1066MB/s, and is directly connected with an Au1200 memory controller.

Main memory CF/SD card: the main processor is connected through a CF/SD card interface, and the CF/SD card is used as a main storage module of the advertising machine terminal and is used for storing videos to be played, user information, all video files, play lists and the like. The advantage of using CF card is that it can be detached conveniently, when the terminal has no network interface, the CF card of the advertisement machine can be pulled off, the content and the playing information to be updated are put into the CF card through PC, at the same time, the running information of the terminal can also be put into CF, which is convenient for the user to check, and this is also the reason that the terminal storage device of the system does not select hard disk.

The ROM (FLASH memory) is started and connected with the main processor. The starting ROM of the embodiment of the invention is a NOR type FLASH memory, the model is S29GL128N10, and the capacity is 16MB, 16bit data bit width. Since the address bus of Au1200 has only 15, one piece of latch 74LVC16374 is needed and latches the address in cooperation with the ALE signal to complete the connection of S29GL128N10 with Au 1200.

And a peripheral extended network interface (GPRS/CDMA/Ethernet/WLAM) connected with the main processor. The network interface supports the existing access modes of WIFI, GPRS, CMDA, Ethernet and the like, and realizes the connection between the interactive advertising player terminal and the Internet network. As shown in fig. 3, WIFI is a wireless local area network, and uses an 802.11b protocol, and the highest bandwidth is 11Mbps, and under the condition of weak signals or interference, the bandwidth can be adjusted to 5.5Mbps, 2Mbps, and 1Mbps, and the automatic adjustment of the bandwidth effectively ensures the stability and reliability of the network. The main characteristics are as follows: the speed is fast, the reliability is high, in the open area, the communication distance can reach 305 meters, in the closed area, the communication distance is 76 meters to 122 meters, the integration with the existing wired Ethernet is convenient, and the networking cost is lower. As shown in fig. 4 and 5, ETHERNET is a wired local area network, and GPRS and CDMA are wireless networks. And selecting a corresponding network according to the using environment of the terminal, and finally realizing the interconnection of the novel advertising player terminal and the server terminal through an Internet network.

GPRS/CDMA interface module: the module communicates with the AU1200 through a serial interface, RX is connected to PIN35 of the AU1200, TX is connected to PIN36 of the AU1200 UART; the baud rate of the serial interface is set to 38400bit/second or 57600bit/second, 1 stop bit, no parity. The module has a SIM slot for receiving a SIM card. The speed of the data transmission service of the CDMA of China Unicom is 153.6kbps, which is 3 times of the speed of the moden telephone dial-up networking, 1.125M can be transmitted every minute, 67.5M can be transmitted every hour, general media advertisement can be updated in less than 2 hours according to 100M calculation. The peak rate of GPRS is 115.2kbit/s, the average service rate of GPRS can reach 20 kbit/s-40 kbit/s through test, and the average service rate of CDMA 1X is 80 kbit/s-100 kbit/s. For CDMA 1X, a calculation of 90kbit/s is used, which can transmit 0.66M data per minute and 40M data per hour.

Ethernet interface module: the network chip LAN91C111 is an adaptive 10M/100M third generation fast Ethernet controller chip manufactured by SMSC corporation, integrates the MAC (media layer) and PHY (physical layer) of SMSC/CD protocol, and conforms to the IEEE802.3/802.U-100Base-Tx/10Base-T specification. The system has high flexibility and integration level, and has high cost performance. The work flow of the LAN91C111 is simple, a driver writes a data packet to be sent into a chip according to a specified format and starts a sending command, and the LAN91C111 automatically converts the data packet into a physical frame format to be transmitted on a physical channel; otherwise, the chip automatically restores the physical signal into data after receiving the physical signal and stores the data in the chip RAM according to a specified format so as to be used by a host program. The 8-32 bit data bus interface unit is connected with external CPU through control bus, address bus and data bus. External data may be exchanged with LAN91C111 in 8-bit, 16-bit, or 32-bit fashion. The circuit also integrates an EEPROM interface, and is input into a chip through the EEOROM interface during self-checking, thereby realizing automatic initialization. The bus Arbiter (Arbiter) is used to monitor the data communication condition of the ethernet bus, and once the block occurs, the Arbiter is connected to the external CPU through the bus interface unit on one hand, and controls the memory control unit (MMU) on the other hand, so as to realize the bus data coordination. The memory control unit can control the storage condition of the 8kB dynamic SRAM and realize data communication with the DMA controller. The DMA controller controls the exchange of data between the DMA and the ethernet protocol processor (EPH) together with the bus controller. The data coming out of the Ethernet protocol processor finally goes through the physical layer (PHY) of 10Mb/s/100Mb/s to directly reach the Ethernet bus.

A WLAN interface module: the standards IEEE 802.11b and 802.11g, with 802.11b data transfer rates of 11Mbps, 5.5Mbps, 1Mbps, 2 Mbps. And the data transmission rate of 802.11g is 54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps, 12Mbps, 9Mbps, 6 Mbps. The working frequency range is 2.412-2.484 GHz. And the interface is connected with the AU1200 through a PCMCIA interface. The WLAN interface is used for connecting the local area network, the local area network can be established in places where certain advertising machine terminals are concentrated, and the advertising machine terminals are connected with the wide area network through the local area network server, so that the speed problem of the network is solved, and meanwhile, the operation cost of the network is reduced.

When using digital trunking mobile communication private network gprs (general Packet Radio service), cdma (code Division Multiple access), it is impossible to achieve real-time performance due to the limitation of transmission rate, but the system downloads the video file from the server by using idle time and stores it in the card. In all the uploaded and downloaded services, the priority for downloading video data is the lowest, and when there are other services (such as user's interactive services, system's play list, system's play log, etc.) that need to be uploaded and downloaded, the video download is temporarily interrupted to guarantee the bandwidth of other services, so the system must support the function of breakpoint resume.

Sound card chip (AUDIO): the sound card chip of the embodiment of the invention is WM8731 of Wolfson company, which is a low-power consumption stereo audio CODEC and is connected with Au1200 through an IIS interface; with a separate amplifier, a 16 ohm or 32 ohm horn can be driven directly.

LCD screen (TFT-LCD module, touch screen): the main processor is connected with the touch screen interface through the TFT-LCD module, and the liquid crystal display (TFT-LCD) interface is used for driving the display of the liquid crystal display screen to complete the display of user information, OSD menus, video images and the like on the liquid crystal display screen. The size of the LCD screen can be selected according to the requirement, the maximum resolution can reach 1024 x 768, the SUMSUNG TFT-LCDLTG430WQ-F02 of Samsung is selected, the specification is 4.2 inches, the optimal resolution is 480 x 272, the color depth of 8 bits, the interface type Digita 18 bit RGB is selected, and the working voltage is 3.3V; the 8bit RGB digital interface is directly connected with the port of the Au1200 LCD controller by using a flexible flat cable; the touch screen is a Woods photoelectric GITO05S.524, and the input mode is a touch pen and a finger.

USB interface: the USB interface of the embodiment of the invention supports the OTG function and can work in a master mode and a slave mode by being connected with the main processor, thereby improving the expansion capability of the system. Since USB is required to provide +5V, 500mA power when configured as a HOST controller, the maximum current is limited to 500mA by setting the size of the current sense resistor.

The keyboard, the power supply and the like are respectively connected with the main processor, the power consumption of the advertising player terminal is low, and if the power is supplied by a battery, the battery can have long power supply time.

Software on the main processor of the interactive advertiser terminal:

the system uses LINUX operating system, the software mainly includes the following parts: OSD interface, PIP display program, user input control program, WEB browser, play list control program, play log generation program, fault diagnosis program, media player, caption superimposer, caption player, startup and shutdown control program, file uploading and downloading program, breakpoint resuming and downloading management, CF card read-write program, etc.

OSD interface: all interactive information of a user and an interactive interface of the advertising machine terminal is displayed through the OSD interface, the OSD interface is organized according to pages, components, characters, bitmaps and the like, and the specific implementation is realized by some rectangles, bitmaps and characters.

PIP display program: a window displays text information, such as user interaction information and scrolling text; one window may play a video advertisement. There may be several different display modes according to different occasions: full screen text, text-superimposed video, video-superimposed text, full screen video, video-superimposed rolling captions.

The user inputs control programs including touch screen and keyboard control programs.

A WEB browser: the method and the system realize the browsing of the WEB page, some character information can be browsed in a WEB page mode, and some user interaction information can be organized and managed through the WEB page.

And a playlist control program for downloading a playlist file from the server via the network, the playlist file including a list of programs to be played including a specific time at which the program is played, and the advertisement player playing the program according to the playlist file. And analyzing the playlist file, generating a playlist structure in the memory, and playing the program by the player according to the played playlist.

And (3) playing a log program: recording the running track of the advertising machine, and recording the playing time, the program name and the playing sequence of the program. And generating a txt file, and uploading the txt file to a server through a network or storing the txt file in the middle of a local CF card.

And (3) fault diagnosis program: the system comprises a display screen, a system clock, a player CF card, a remote controller, an AUDIO, a FLASH, an SDRAM and a test program of a network interface, and the tested information is transmitted to a server end through the network interface or stored in a local CF.

The media player: for playing the advertisement video file of the main stream. Because the video decoding of the system is mainly completed by hardware, the media player needs to select different decoding methods according to the format of the input video file, configure the parameters of a hardware decoder and call different decoding functions.

And (3) a subtitle player: some data information is played on a screen and is superimposed on the video in a scrolling mode, and the position of the data information is below or above the screen.

And (3) a startup and shutdown control program: 6 startup and shutdown time periods are set every day, the system is shut down at the appointed time, and the system is started at the appointed time.

Uploading and downloading a file: and uploading and downloading the file by adopting an RTP (real-time transport protocol), receiving a downloading request through a browser running on the terminal, starting a downloading program, and storing the downloaded video file into a video directory in the CF card. And starting an uploading program after receiving the uploading request, and uploading the file in the CF card to a server.

As shown in fig. 2, the main flow of the software program on the main processor is:

starting up the system, entering an INUX operating system, configuring the system, starting a browser program, starting a video player, a subtitle superimposer, a play list downloading program, running a PIP program, displaying in a mode of overlapping videos by characters, running a play list analyzing program, starting a play log generating program, playing videos in a large window, playing character information in a small window and waiting for input of a user.

The server background is a background management system of the advertising machine terminal, and mainly comprises the management of video files played on the advertising machine terminal, the management of a program playing menu, the management of a playing log, the management of the working state of the advertising machine, the management of startup and shutdown and the like. The management system runs on a server, which is interconnected with the advertiser terminals via the INTERNET network or a telecommunications network. The management of the video file comprises the downloading and the deletion of the video file; the management of the play list mainly comprises the arrangement of the play sequence, time and times of the program, and the function of a program play menu is achieved; the playing log is used for recording a program playing list on the advertising player; the monitoring of the working state is mainly used for diagnosing and managing the faults of the advertising machine.

A server background program: the method is an application program which is a pure software system running on a server and written by adopting C + + language. The system is mainly used for managing the terminal system of the advertising player and comprises the following modules:

the playing video file management module: and controlling the deletion and downloading of the video file of the advertising player terminal. The user firstly uploads the video file to the server system, sets the terminal number to be downloaded, communicates with the terminal through the server, and transmits the program to the terminal. The main functional units are: setting a terminal number, reading an existing file list, editing the file list, and downloading a file.

The program playing menu management module: and adjusting the time and the frequency of playing the program according to the requirements of the client. The main functions are reading the current program playing menu and editing the program playing menu. The program playing menu is arranged and managed according to the time sequence.

The play log viewing module: according to the requirements of customers, the playing information of the advertising machine terminal is obtained, such as the playing times of a certain program in one day and the playing time of each day.

A monitoring working state module: and acquiring the working state of the advertising machine, including fault diagnosis and on-off information of the machine, and obtaining the working state of the terminal according to analysis of a target play list and a play log, analysis of system on-off and analysis of the running result of a diagnostic program of the system terminal.

The on-off control module: and setting the starting time and the shutdown time of the advertisement player.

All the functions have a human-computer interface, so that the use of a client is very convenient. An authorized user can log in the management system through the INTERNET to carry out remote management.

Claims

1. An interactive advertising system is characterized by comprising an advertising machine terminal with a network interface and a server background; wherein,

the advertisement player terminal includes:

the main processor is provided with a main controller and a media processor; the main controller is used for controlling the operation and configuration of the whole terminal, drawing an OSD interface and responding to a key of a user and a remote controller event; the media processor is internally provided with a media acceleration engine which is used for decoding video and audio signals and can realize the direct decoding and playing of video files;

the terminal memory is connected with the main processor;

the terminal external memory is connected with the main processor and is used for storing videos to be played, user information, all video files and play list play information;

starting the ROM and connecting the main processor;

the wireless network interface is connected with the main processor, supports the existing WIFI, GPRS, CDMA and Ethernet access modes, and is used for realizing the connection between the advertising player terminal and the server background through a wide area network;

the sound card chip is connected with the main processor;

the LCD screen is connected with the main processor through the TFT-LCD module and is used for finishing the display of user information, an OSD menu and a video image;

the keyboard and the power supply are respectively connected with the main processor;

the server background is used for controlling the deletion and downloading of the video files of the advertising player terminal; the system is used for managing a program playing menu on the advertising player terminal, and comprises the steps of arranging the playing sequence, time and times of programs, wherein the program playing menu is arranged and managed according to the time sequence; the system comprises a server, a client and a server, wherein the server is used for acquiring playing information of an advertising player terminal according to the requirements of a client; the advertising machine terminal is used for acquiring working state information of the advertising machine terminal, wherein the working state information comprises fault diagnosis information and on-off execution condition information of a machine; the method is used for setting the starting time and the shutdown time of the advertisement player.

2. The interactive advertising system according to claim 1, wherein the terminal is stored externally as a conveniently detachable CF/SD card.

3. The interactive advertising system of claim 1, wherein the wireless network interface is a GPRS, CDMA, Ethernet wireless network interface.

4. The interactive advertising system according to claim 1, wherein the wireless network interface is a WLAN interface for connection to a local area network; the advertisement machine terminal is connected with the server background through the local area network server through the INTERNET network.

5. The interactive advertising system of claim 1, wherein the sound card chip is provided with a separate amplifier that directly drives the speaker.

6. The interactive advertising system of claim 1, wherein the LCD screen is provided with a touch screen, and is connected to the main processor through a touch screen interface, and the input means is a touch pen and a finger.

7. The interactive advertising system of claim 1, wherein the software on the main processor of the advertiser terminal comprises: OSD interface, PIP display program, user input control program, WEB browser, play list control program, play log generation program, fault diagnosis program, media player, caption superimposer, caption player, startup and shutdown control program, file uploading and downloading program, breakpoint resuming and downloading management, and CF card reading and writing program.

8. An interactive advertising system according to claim 1, wherein the advertising player terminal is provided with a USB interface to a main processor.