TWI593248B - Method, apparatus and system for delivering exhibition information coded over acoustic wave - Google Patents

Description

Method, device and system for transmitting exhibition information by sound wave coding

The present invention is a method, apparatus and system for transmitting an exhibition message, and more particularly to a method for transmitting an exhibition message to a user device by sonic coding, and an apparatus and system for implementing the method.

In the exhibition hall, when the exhibition manufacturers or organizers want to convey the message to the audience, they will express them through posters, flyers, sounds and audio and video content, and convey the message to the audience.

Further, the information of the exhibits can be transmitted to the audience through the Internet. For example, an introduction website is displayed near the exhibits, and the viewer can use the computer device to connect to the website to obtain the information, and the website address can be a QR code (QR). The way of code) allows the viewer to use the mobile device to read, directly get the relevant information, or convert to a web address and obtain the information.

Other ways to convey information include peer-to-peer communication, such as Near-Field Communication (NFC), which is obtained by reading the mobile device used by the viewer within a short distance.

In view of the need for the exhibition venue to broadcast various exhibits, the present invention discloses A method, device and system for transmitting exhibition information by sound wave coding are proposed, which are different from the manner in which the prior art displays the exhibits. The embodiment of the disclosure discloses a technique for transmitting display information in the form of sound waves, wherein the sound wave is encoded. The method of transmitting the exhibition message is applicable to an exhibition venue, and the device for transmitting the display information through the sound wave can be provided in the vicinity of the display product.

In an embodiment of the system for transmitting an exhibition message by sound wave encoding, the method mainly includes a message transmitting device, and the message transmitting device is disposed near a specific display in an exhibition site for broadcasting the sound wave encoded signal and the sound wave coded signal. The coded message is a message about a display in the exhibition hall.

The main circuit components in the message distribution apparatus include a signal processing unit that performs encoding and decoding of the acoustically encoded signal, an input and output unit that forms an acoustic wave and broadcasts the encoded signal, and a storage unit that stores information about the display.

The system has a message interaction device operated by a user at the exhibition venue for interacting with the message distribution device located at the exhibition venue, having a processor for performing sound wave decoding of the exhibition message and an electronic map of the exhibition venue, and storing the code a memory for the processor, the code includes at least: an instruction for receiving the acoustic coded signal, for receiving the sound wave coded signal transmitted by the message broadcast device disposed in the exhibition field through the speaker; and an instruction for decoding the sound wave coded signal, It is used to decode the sonic coded signal into an exhibition message, an electronic map of the exhibition hall and the identification information of the display item; an instruction to broadcast the exhibition message for broadcasting the image, voice, picture, text or any combination thereof Decoding the generated exhibition message; and an instruction for positioning according to the identification information of the exhibit, for positioning the position in the electronic map of the exhibition ground according to the identification information of the exhibit.

In an embodiment of the method for transmitting an exhibition message by sonic coding, the main process includes using a message distribution device to generate a sonic coded signal by means of an encoding method of the information displayed on the exhibition venue and the electronic map of the exhibition venue, so that the user interacts with the operation of the message. The user device receives the sound wave coded signal played by the message broadcast device by the sound receiving unit of the user device; wherein the processor performs decoding, and the sound wave is decoded by a decoding means The coded signal decodes the information of the exhibits in the exhibition hall, the identification information of the exhibits and the electronic map of the exhibition venue, so that the display products can be located according to the identification information of the exhibits; and the image, voice, picture and text are used by the user device. Or any combination of them, broadcast a message of the exhibit.

Preferably, the sonic coded signal is transmitted by an ultrasonic wave that is inaudible to the human ear, can be directly broadcast by a speaker, or transmitted by an ultrasound embedded in a voice or a video content.

In order to further understand the technology, method and effect of the present invention in order to achieve the intended purpose, reference should be made to the detailed description and drawings of the present invention. The drawings are to be considered in all respects as illustrative and not restrictive

10‧‧‧Server

12‧‧‧Network

14‧‧‧Send device

16‧‧‧Speakers

18‧‧‧User device

20‧‧‧User device

201‧‧‧Display 1

203‧‧‧Message Broadcasting Device 1

205‧‧‧Display 2

207‧‧‧Message Broadcasting Device II

30‧‧‧Message Broadcasting Device

301‧‧‧Signal Processing Unit

303‧‧‧Output unit

305‧‧‧Trigger unit

307‧‧‧ storage unit

309‧‧‧Data interface unit

311‧‧‧Display unit

313‧‧‧ Speaker unit

315‧‧‧ Radio unit

32‧‧‧User device

34‧‧‧Video Library

Step S401~S407‧‧‧Send the exhibition message process with sonic code

Step S501~S511‧‧‧Send the exhibition message process with sonic code

Steps S601~S617‧‧‧Send the exhibition message process with sonic code

Steps S701~S709‧‧‧Send the exhibition message process with sonic code

Steps S801~S811‧‧‧Send the exhibition message process with sonic code

1 is a schematic diagram showing an embodiment of a system for transmitting a message using sound waves; FIG. 2 is a schematic diagram showing an embodiment of a system for transmitting an exhibition message by sound wave encoding according to the present invention; and FIG. 3 is a functional block diagram showing an embodiment of a system for transmitting an exhibition message by sound wave encoding according to the present invention. FIG. 4 shows one embodiment of a flow of a method for transmitting an exhibition message by acoustic wave encoding according to the present invention; FIG. 5 shows a second embodiment of a flow of the method for transmitting an exhibition message by acoustic wave encoding according to the present invention; FIG. 6 shows that the present invention transmits by acoustic wave encoding. FIG. 7 shows a fourth embodiment of a flow of a method for transmitting an exhibition message by sound wave encoding according to the present invention; FIG. 8 shows a fifth embodiment of a flow of a method for transmitting an exhibition message by sound wave encoding according to the present invention. .

The technology for transmitting information by using sound waves can refer to the information providing system described in the Chinese patent CN101228808 (application number: 200580051202.8; application date: 2005-08-09). The system overview can refer to FIG. 1. The main components of the system include the server 10, The network 12, the transmitting device 14, the speaker 16, and the user device 18.

After the transmitting device 14 receives the message to be transmitted from the server 10 via the network 12, the transmitting device 14 converts (encodes) the message into information transmitted by the sound pressure vibration, and can transmit the message through the speaker 16 with the sound wave. The carrier is broadcast to the user device 18, after which the user device 18 receives the sound wave and decodes the sound wave into a readable message. Among them, sound waves are transmitted by air as a medium, for example, sound waves falling in an ultrasonic wave band that is inaudible to the human ear.

According to the system for transmitting a message by sound wave shown in FIG. 1, the transmitting device 14 is a core device for encoding a message into an acoustic wave (e.g., ultrasonic wave) having an arithmetic unit for encoding various information (not shown), or The calculation means realized by the relevant software and hardware has a speaker 16 that transmits the encoded various information as sound pressure vibration. The user device 18 can be a portable electronic device (such as a mobile phone or a computer device), and is provided with a receiving device (not shown) for receiving sound waves, such as a microphone, a microphone, etc., for receiving sound waves, and having a signal processing circuit ( Not shown in the figure), sound waves can be converted into electrical signals and decoded into readable messages.

Similarly, one of the forms of sound waves can be that the human ear can't hear the ultrasonic waves in the band, so the message can be transmitted without perception, including embedding the ultrasound in a certain video content, and simultaneously playing the audio and video content.

The transmission frequency of the sound pressure vibration is a reproducible frequency band included in the speaker 16 of the transmitting device 14, and a predetermined frequency in the receivable frequency band of the microphone or the microphone on the user device 18. For example, the transmission frequency of the sound pressure vibration is a frequency included in the aforementioned high audio band of the audible audio band of the speaker 16 or the microphone.

The user device 18 can be various electronic devices having a microphone or a microphone. The microphone is used for receiving sound waves of sound pressure vibration, and can convert sound waves into electrical signals via software or hardware, so that the signal processing circuit (not shown) can decode the electrical signals to recover the information.

In an embodiment, the foregoing transmitting device 14 is a broadcasting device, and the broadcasting device can perform broadcasting of a television or a radio station, etc., and when the broadcasting device encodes the message to be transmitted, forms a sound wave such as an ultrasonic wave that is inaudible to the human ear. Superimposed on the broadcast signal that the broadcast device originally broadcasts, and then transmitted as an electric wave via the antenna, the broadcast signal superimposed with the encoded message can be transmitted to the user device 18, and the user device 18 can pass through the software. Or a hardware means to restore the broadcast signal, and the broadcast signal carries a sound wave, such as an ultrasonic wave, that broadcasts a specific message. The message can be obtained by decoding the software or hardware in the user device 18.

The present invention discloses a method, device and system for transmitting an exhibition message by acoustic wave coding, wherein the acoustic wave coding can be broadcasted to the user device in the form of the aforementioned ultrasonic wave, and one of the embodiments can be applied to the need for the exhibition site to broadcast various display products. In the above, in the technique of transmitting the exhibition information by sound wave encoding, a message broadcasting device for transmitting the display information through the sound wave may be provided in the vicinity of the display product.

For an embodiment, reference may be made to the system application diagram of the present invention for transmitting an exhibition message by sonic coding.

In this illustration, a user device 20 is displayed. The user device 20 is a message interaction device operated by the user in the exhibition hall, and can interact with a message broadcast device located at the exhibition venue, such as a mobile phone. A computer device such as a tablet computer that carries a radio device, such as a microphone, a microphone, software and hardware that carries decoded information, and circuit components that broadcast messages.

In this usage scenario, the user operates the user device 20 to enter an exhibition venue, in which a plurality of exhibits are displayed, and the display item 201 and the display item 205 are displayed, and each display item is provided with a broadcast and display. The sound wave broadcast device of the product message, such as the displayed message broadcast device 203 and the message broadcast device 207.

According to one of the embodiments, the message broadcast device 203 and the message broadcast device 207 The sound waves carrying the linked display information can be continuously broadcast, for example, by ultrasonic waves that are not visible to the human ear. The ultrasonic signal can also be embedded in other multimedia content broadcast by the message transmitting device (203, 207).

For example, the message transmitting device, such as a speaker that broadcasts a voice signal, can transmit the ultrasonic signal embedded in the voice signal when the audible voice signal is broadcasted, and can also be received by the user device (20), and then resolved and decoded. Out of the ultrasonic coded signal. The message broadcast device can play the display screen of the audio-visual multimedia. The audio-visual signal can be embedded with the ultrasonic signal carrying the message. When the audio-visual multimedia is broadcast, in addition to displaying the video, the ultrasonic wave carrying the message can be transmitted while the audio is being broadcast. The speaker is broadcast and can also be received by the user device 20.

In this example, the user operates the user device 20 to enable a software program (such as an APP in the mobile phone) capable of processing the ultrasonic signal. After the software program is turned on, the sound receiving unit of the user device 20 is started to receive nearby audio signals, for example, Alternatively, the user equipment 20 may receive the sound waves broadcasted by the two message transmitting devices (203, 207) sequentially or simultaneously, or at the same time, receiving the sound waves broadcast by the message transmitting device 203 or the message transmitting device 207.

When the sound wave transmitted by the message transmitting device 203 or the message transmitting device 207 is received by the software program through the sound receiving unit, one way is to immediately decode the sound wave to obtain the displayed products (201, 205) in succession, which can be juxtaposed, before and after. The page mode broadcasts the message, including the video, sound, picture or text, or the combined display information formed by the combination; the other way is to obtain the identification information about the display in the sound wave, and list the related display products (201) And 205) a list for the user to select, and then decoding the message associated with the display item 201 or the display item 205.

Because of the characteristics of sound waves (such as ultrasonic waves) broadcasting information to the surrounding space, the method and system for transmitting the exhibition information by sound wave encoding proposed by the present invention exposes each device in the vicinity of a certain display product. The coded signal makes it easy to obtain the information of the exhibits in the exhibition hall by using the general portable computer device. In other embodiments, the exhibition site guide and the information of multiple exhibits are realized. Receiving and selecting, even including linking related product information, executing shopping procedures, etc.

3 is a functional block diagram of an embodiment of the system for transmitting an exhibition message in a sonic code according to the present invention. The main components of the system are the message distribution device 30 disposed at the display end, and the device at the user end.

The device of the present disclosure is as shown in the illustrated user device 32. The user device 32 is preferably an electronic device held by a user, such as a smart phone, a tablet computer or a related handheld computer device. The main circuits are the processor and the memory, and the remaining necessary circuits are not described here. The method for the method for transmitting and transmitting an exhibition message by sound wave encoding may be implemented in a software program implementation of the memory, wherein the main code for storing the method for transmitting the exhibition message by the processor by the sound wave encoding comprises: receiving the message transmitting device 30 instructions for sound-encoded signals transmitted through the speaker; instructions for decoding the aforementioned sound-coded signals; instructions for generating messages relating to various displays; and instructions for broadcasting information about the exhibits, the messages being shadows, sounds, figures or texts, Or a combination thereof.

The functions executed in the device (user device 32) can be implemented by other softwares or with hardware. For example, when the acoustic coded signal is added to the identification information of the display when encoding, the code in the device includes the obtained display. The instruction to identify the information can be decoded to obtain the identification information of the exhibit.

In an embodiment, when the display identification information is obtained, the code may further include an instruction to introduce an electronic map displaying the exhibition venue, and when the electronic map is introduced, the identification may be performed according to the identification information of the display, and the navigation is provided. Instructions for the route to provide a guided route that directs the user to a destination location.

In another embodiment, the system disclosed in the present invention can provide an instruction in the user equipment 32 to continuously receive and decode the sound wave encoded signal transmitted by the message transmitting device 30 through the speaker, so as to continuously obtain corresponding displays. The identification information of the product; and an instruction for comparing the identification information of an exhibit with interest, may generate a notification message when the location of the displayed product is of interest.

Further implementation of, for example, in-device code including obtaining business information for associated exhibits The instruction is such that when the user device 30 decodes the sound wave coded signal, the identification information of the display product can be obtained, and the business information of the associated display product can be obtained according to the identification information, so as to guide the user to enter the display related page or network. The road platform can continue the follow-up shopping process, and the shopping program is not described here.

In terms of circuit function, the figure shows an important circuit component of the message broadcast device 30, which is represented by a functional block diagram according to the function. In the embodiment of the invention, the message broadcast device 30 is disposed in the exhibition field, wherein the message encoded in the sound wave coded signal is encoded. For information about one or more exhibits in the exhibition venue, the message distribution device 30 can be an audio-visual multimedia player (such as a television, a display) located near the display, or an audio device (such as a speaker), in another implementation. For example, the message distribution device 30 can be an audio device built in a display.

According to the circuit embodiment of the message distribution device 30, the main circuit component includes a signal processing unit 301, and circuit components electrically connected to the signal processing unit 301, such as the input/output unit 303, the trigger unit 305, and the storage unit 307. The data interface unit 309, the display unit 311, the speaker unit 313, and the radio unit 315.

The signal processing unit 301 can be used to perform encoding and decoding of the acoustic encoded signal. In an embodiment, the signal processed by the signal processing unit 301 is a message obtained by the data interface unit 309 from the video library 34. The data stored in the video library 34 may include an exhibition floor plan, each exhibit information, location and identification information, and the like.

The input/output unit 303 is one of the main circuit components of the message broadcast device 30 for forming sound waves, that is, the sound wave coded signal generated by the signal processing unit 301 is broadcasted in a sound wave form through a speaker unit, and the external output is set. The device is like a speaker.

The message transmitting device 30 is provided with a storage unit 307 for storing information about the display, the message being a shadow, a sound, a picture or a text, or a combination thereof, and the message can be input from the outside, including the aforementioned self-audio sound through the data interface unit 309. The information obtained by the database 34.

Other circuit components of the message distribution device 30 may further include a trigger unit 305. The trigger unit 305 is a signal for the user to trigger the action through a specific interface (such as a button or a trigger signal) in the device 30, and causes the message broadcast device 30 to start transmitting the sonic coded signal in the form of sound waves. The message broadcast device 30 can operate in a manner that can continuously broadcast sound waves, except that the broadcast program can be started by the trigger unit 305.

The message transmitting device 30 can further be provided with a display unit 311, such as a display panel, for transmitting audio and video information of related exhibits, and a sound wave encoded signal carrying the display information can be embedded in the audio and video content for the user to watch. At the same time, the audio and video encoded signals can be received by the user device 32.

The message transmitting device 30 can be built with a speaker unit 313, and its output interface, such as a speaker, can be implemented without excluding the speaker. In addition, it can be combined with the aforementioned display panel to become a display device having a speaker.

In another embodiment, the message distribution device 30 can be provided with a sound collection unit 315 for receiving an externally transmitted sound wave signal, and the input/output unit 303 can process the speaker unit 313 and the sound pickup unit 315. For example, the user can operate the user device 32 to generate an acoustic wave signal, in particular, the encoded signal sent by the ultrasonic wave, which can be used as an action for triggering the message transmitting device 30 to broadcast the sound wave; another embodiment is to enable the message broadcast device 30 to utilize While the speaker unit 313 broadcasts the sound wave, the sound unit 315 can receive the sound wave generated by the feedback from the user device 32, and can perform two-way information exchange, or the user device 32 can actively search for the specific display through the sound wave, and then according to the received Signal to locate.

Then, when the user device 32 obtains the sound wave coded signal of the display message transmitted by the specific message broadcast device 30, the user device 32 decodes the signal processing software and the related circuit in the user device 32 to obtain the display related information.

In the system proposed by the present disclosure, in the device of the user terminal, the main component includes at least a processor and a memory, wherein the memory stores a software program code for performing the method of the present invention to transmit the exhibition message by sonic coding. The processor performs the sound wave decoding (or the function of sound wave encoding) of the exhibition information and the electronic map of the exhibition venue, and can drive the external sound wave device (such as a microphone) to receive the external sound wave. If the ultrasonic coded signal containing the display information is decoded by the software and/or hardware circuit, the message can be obtained and the message can be broadcasted.

Moreover, in another embodiment, the sonic coded signal carrying the display information can be added to the identification information (ID) of the display at the time of encoding, as the purpose of identifying the display, and can be specifically used as a positioning display. The location of the exhibition area, such as the way the location is indicated by an electronic map.

Accordingly, the code executed in the user device mainly includes: an instruction for receiving the acoustic coded signal for receiving the sound wave coded signal transmitted by the message broadcast device disposed in the exhibition field through the speaker; and a decoded sound wave code Signal command for decoding the sonic coded signal into an exhibition message, an electronic map of the exhibition venue and identification information for obtaining the exhibit; and an instruction to broadcast the exhibition message for broadcasting the image, voice, picture, text or Any combination of the decoded display information generated by the display; and an instruction for positioning based on the identification information of the display for positioning the electronic map in the exhibition ground according to the identification information of the display.

Embodiments of the method of transmitting an exhibition message in a sonic code according to the present invention are respectively described in Figs. 4 to 8 below.

The flow of the embodiment shown in FIG. 4, wherein the step of broadcasting the sonic coded signal in the message broadcast device connected to each of the exhibits in the exhibition hall is described. In step S401, at the beginning, the external storage device, the database or the server may be used. Etc., the exhibition message and the display message are transmitted to the message transmission device through the connection. In the message distribution apparatus, as in step S403, the obtained message is encoded into a signal carried on the sound wave by a software or hardware method. In an embodiment, the display identification information may be added to the sonic coded signal as in step S405, and then the acoustically encoded signal may be broadcast via the speaker, as in step S407.

After the message broadcast device encodes the related information of the exhibition, the display, and the like, the sound wave coded signal stored in the message broadcast device is generated. Referring to the flow of the embodiment shown in FIG. 5, in step S501, the related system uses an code. Means to generate sound wave coding signals related to the exhibition venue, and the codec technology can refer to the aforementioned Chinese patents. The technology of CN101228808, in an embodiment, uses a message broadcast device located at the exhibition venue to encode a message of one or more exhibits in the exhibition venue and an electronic map of the exhibition venue to generate a set of sound wave coded signals, sound waves The coded signal is carried in a memory in the message broadcast device and played on a speaker of the message broadcast device. When the message transmitting device broadcasts the sonic coded signal at the exhibition site (step S503), the user-device can receive the sonic coded signal, that is, the sound wave unit (such as a microphone) of the user device receives the sound wave, in particular, the sound wave There is no need for any device pairing or pre-wired actions before and after the transfer (step S505).

In the user device, the corresponding application may be started to be resolved to receive the identifiable acoustic coded signal, and then in step S507, the user device is used, and the software is used to decode the device processor. The sound-coded signal is decoded by a decoding method to generate a message content, for example, a message of a specific or multiple exhibits in the exhibition venue, including identification information of the exhibit, and electronic map information of the exhibition venue. Then, in step S509, the display item can be positioned through the software according to the identification information of the exhibit, and one or more positioned display positions can be displayed on the electronic map of the exhibition venue.

In other cases, if you generate a message, you may get a lot of messages, and you can list or provide options to choose from. Then, the user device broadcasts a message, which is an image, a voice, a picture or a text, or a combination thereof, and the manner of the broadcast includes a manner in which the audio-visual, graphic, and text can be displayed, or a manner of playing the voice (step S511).

Figure 6 is nextly shown in the system proposed by the present invention, in this embodiment providing a function of navigation within the exhibition venue. In this embodiment, the user device may carry a plan view of the exhibition venue as a positioning and navigation guide. use. For example, when the user enters the exhibition hall, the entrance, or the leaflet, the user can be instructed to follow the steps to download the relevant software program, including the floor plan of the exhibition venue.

After entering the exhibition venue, the user device can receive the acoustic coded signal (step S601) and perform decoding (step S603). At this point, the exhibition message can be formed after decoding. (Step S615), the user device displays the text, the audio and video content, or plays the voice message (step S617).

In another procedure, if the sound-coded signal has display identification information, the display identification information can be obtained during decoding (step S605), and the identification information represents the display itself, and the electronic program can be introduced into the software program executed by the user device. For example, the floor plan of the exhibition hall can identify the information based on the display (step S607). The position of the display item can be displayed through the electronic map (step S609), and the decoded display item information can also be displayed on the plan view.

At this time, the user can input a destination location information on the software program or the plan view, for example, the location information of another interested display point, and after receiving the destination via the software (step S611), the operation can form a guide. A navigation route to the destination location (step S613).

In the navigation function, when the related software program in the user device is activated, the user can directly input an exhibit that is of interest in the exhibition venue, and through the software function of the present invention, can directly lead to the interest display. Product location, without time-consuming search.

In another embodiment, referring to the flow of the embodiment shown in FIG. 7, the user can also directly guide the user to the location of the displayed product, including firstly receiving the audio program in the user device. The circuit is configured to continuously receive the acoustic coded signal in the exhibition venue, as in step S701. In the process, the software program has the function of recognizing the sonic coded signal that can be decoded, including the filtering means, and when receiving the sound wave coded signal in the exhibition field continuously, and then decoding in real time as in step S703. In the decoding process, as in step S705, the identification information of different exhibits at different positions in the venue is continuously obtained.

Then, in step S707, when the user carries the user device to walk around the exhibition venue, the display identification information is continuously decoded, and the identification information of the displayed display that is already input is continuously matched, or the destination-related location is continuously compared. Display identification data. Through software means, it can be used to compare whether it is an identification of interested exhibits. When the comparison is obtained, the user is already in the vicinity of the interested location. In step S709, a notification message is generated through the software program to notify the user of the interested location. Already reached.

The flow of the embodiment shown in FIG. 8 is to describe the information about the display product in the method of transmitting the exhibition message by the sonic code in the present invention, that is, the system proposed by the present invention provides the information of the display product and the identification of the display product. In addition to information, more follow-up information is provided.

The step further includes the user device receiving the sonic coded signal (step S801) and decoding (step S803), in addition to obtaining the message of the exhibit itself, the message also includes the obtained identification information of the exhibit (step S805), according to the identification of the exhibit After the data is compared, the business information of the associated exhibits can be obtained (step S807). For example, the user may be guided to connect to a certain network platform (step S809), in which the purchase information of the display product, the commemorative product related to the display product, the defective product, the derivative product, and the like are recorded, and even in step S811, the user may be guided to perform subsequent shopping. program.

In summary, the technology of the present invention for transmitting information of a display by sound waves preferably uses ultrasonic waves as a medium for carrying information, and is carried by a specific wireless communication technology (such as Bluetooth communication technology). The message needs to be paired with the program more conveniently, so it is suitable for the purpose of broadcasting the message displayed in the exhibition venue. The message broadcast device in the system can realize the signboard, display board, display, etc. of the display product. Broadcasting the sonic coded signal for the display message; the user device in the system installs and executes a software program for receiving the ultrasonic coded signal, performing decoding, generating an exhibition message displayed or broadcast to the user device content, and Provide more services.

The preferred embodiments of the present invention are not intended to limit the scope of the present invention, and equivalent structural changes in the description and the drawings of the present invention are included in the scope of the present invention. Bright.

S601‧‧‧ Receiving sonic coded signals

S603‧‧‧ decoding

S605‧‧‧Get display identification information

S607‧‧‧ Positioning, introduction of electronic maps

S609‧‧‧Display display position

S611‧‧‧Receive a destination location information

S613‧‧‧ calculations form a guided route

S615‧‧‧ Forming an exhibition message

S617‧‧‧Display or play

Claims (8)

A method for transmitting an exhibition message by sound wave encoding is applied to a message broadcast device, the message broadcast device being disposed in an exhibition venue, the method comprising: (a) using the message broadcast device to display a display item in the exhibition venue And an electronic map of the exhibition venue generates an acoustically encoded signal by an encoding means, the acoustic encoded signal being carried in a memory in the messaging device and played by a speaker of the messaging device; (b) Using a user device, receiving a sound wave coded signal played by the message broadcast device by a sound receiving unit of the user device; (c) decoding a sound wave coded signal by a decoding means by using a processor in the user device a message of the exhibit in the exhibition venue, identification information of the exhibit and the electronic map of the exhibition venue; (d) positioning the display according to the identification information of the exhibit; and (e) the user device Video, voice, picture, text or any combination thereof, broadcast the message of the display. The method for transmitting an exhibition message by sound wave encoding according to claim 1, wherein the sound wave coded signal is transmitted by an ultrasonic wave that is inaudible to the human ear, directly transmitted through the speaker, or embedded in a voice or a video content. Ultrasonic broadcast. The method for transmitting an exhibition message by sound wave encoding according to claim 1, wherein when the sound wave encoded signal is decoded into the identification information of the display by the decoding means, the method further comprises providing a navigation route leading to the position of the display. The method for transmitting an exhibition message by sound wave encoding according to claim 1, wherein in the exhibition field, each of the sound wave coded signals transmitted by the message transmitting device through the speaker is continuously received and decoded, and the corresponding display products are continuously obtained. The identification information is used to compare whether the information is of interest or not, and a notification message is generated when the location of the displayed product is reached. The method for transmitting an exhibition message by sound wave encoding according to claim 1, wherein when the sound wave coded signal is decoded in the user device, the method further comprises: obtaining the business information associated with the display product according to the identification information of the display product. The method for transmitting an exhibition message by sound wave encoding according to any one of claims 1 to 5, wherein the message broadcasting device is an audio-visual multimedia player disposed near the display, or an audio device; or the message transmitting device It is an audio device embedded in the display. a user interaction device for interacting with a message distribution device disposed at an exhibition venue, having a processor for performing an acoustic wave decoding of the exhibition message and an electronic map of the exhibition venue, and storing the code for the a memory executed by the processor, the code comprising: an instruction for receiving an acoustic coded signal for receiving a sound wave coded signal transmitted by the message broadcast device disposed in the exhibition field through a speaker; and an instruction for decoding the sound wave coded signal For decoding the sound wave coded signal into an exhibition message, an electronic map of the exhibition site and identification information for obtaining the display item; an instruction for broadcasting the exhibition message for broadcasting the image, voice, picture, text or any of them a combined decoded display message; and an instruction for positioning based on the display identification information for positional positioning in the electronic map of the exhibition site based on the identification information of the display. A system for transmitting an exhibition message in a sound wave code, the system performing the method of transmitting the exhibition message by the sound wave encoding of one of claims 1 to 5.