CN109002272A - Interactive directional sound display system and interactive directional sound display method - Google Patents

Abstract

The present invention proposes an interactive directional sound display system for operating by accepting instructions from a user located at the user's position. The interactive directional sound display system includes: a display unit that displays image information; a positioning and communication system used to confirm the user's location and identify the user's identity or authority; and a directivity that transmits ultrasonic sound signals corresponding to the image information. speaker. The directional speaker can transmit the ultrasonic sound signal toward the user's location based on the user's identity or authority.

Description

Interactive directional sound display system and interactive directional sound display method

technical field

The invention relates to an interactive directional sound display system and an interactive directional sound display method. Specifically, the present invention relates to an interactive directional sound display system and an interactive directional sound display method capable of positioning and identifying a user for operation.

Background technique

When viewing or watching images or images with audio, in order to avoid disturbing others, users often choose to wear earphones to listen to the required or expected audio. In recent years, in order to reduce the discomfort of wearing earphones and reduce the possible damage to hearing, there is an increasing demand for playback devices that can replace earphones and have specific directional playback capabilities.

In view of this, various directional speakers having propagation directionality, for example utilizing ultrasonic propagation, have been developed to meet such demands. Specifically, this type of directional loudspeaker can mount the audio on the ultrasonic wave in the form of amplitude modulation, and then use the ultrasonic wave to concentrate and project the audio to the target object for propagation. During the transmission of the audio to the target object through the air or other media, the audio can be demodulated to the original audio for the target object to listen to. However, the operational interactivity of this type of directional speaker is still limited, making it difficult to be widely used in occasions where audio needs to be listened to. Therefore, there is a need to improve and increase the operational interactivity of such directional speakers.

Contents of the invention

In order to solve the above problems, an embodiment of the present invention provides an interactive directional sound display system for operating upon instructions from a user located at the user's location. The interactive directional sound display system includes: a display unit, a positioning and communication system, and a directional speaker. The display unit can be used to display image information. The positioning and communication system can perform the following steps: receiving a location signal to confirm the user's location; and receiving an identification signal to identify the user's identity or authority. The directional speaker can propagate the ultrasonic sound signal corresponding to the image information toward the user's position according to the identity or authority of the user.

According to another embodiment of the present invention, there is provided an interactive directional sound display method that operates according to an instruction received from a user located at the user's location. The interactive directional sound display method includes: using a display unit to display image information; receiving a location signal through a positioning and communication system to confirm the user's location; receiving an identification signal through the positioning and communication system to identify the user's identity or authority; and according to the user's identity or authority, the ultrasonic sound signal corresponding to the image information is propagated toward the user's position through the directional speaker.

Efficacy compared to previous techniques:

According to the interactive directional sound display system and the interactive directional sound display method provided by the embodiments of the present invention, the operational interactivity, applicability and flexibility of the directional sound speaker device can be enhanced and improved. Therefore, the interactive directional sound display system and interactive directional sound display method according to the present invention can be more widely used in various occasions where audio listening is required, so as to eliminate mutual interference or interference of sounds.

Description of drawings

FIG. 1A is a schematic diagram of an interactive directional sound display system according to an embodiment of the present invention.

FIG. 1B is a flowchart of an interactive directional sound display method according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a positioning and communication system of an interactive directional sound display system according to another embodiment of the present invention.

FIG. 3 is a schematic diagram of a positioning and communication system of an interactive directional sound display system according to yet another embodiment of the present invention.

4A to 4C are schematic diagrams of positioning in the interactive directional sound display system and method according to different variant embodiments of the present invention.

5A and 5B are schematic diagrams of recognition and operation in the interactive directional sound display system and method according to different variant embodiments of the present invention.

Among them, reference signs:

10: Interactive directional sound display system

15: User

25: User position

35: voice signal

100: display unit

110: Image information

200: Positioning and communication system

210: positioning module

212: Position signal

212': Scan signal

214: Identification Signal

216: Operation signal

218': ultrasonic carrier signal

218": ultrasonic modulation communication signal

220: Identification module

222: Ultrasonic indication signal

250: Control unit

300: Directional speaker

302: Ultrasonic sound signal

600: mobile terminal

S10: display actions

S20: positioning action

S30: Action recognition

S40: Audio playback action

S50: Operation action

Detailed ways

Various embodiments will be described below, and those skilled in the art can easily understand the spirit and principle of the present invention by referring to the description and accompanying drawings. However, while some specific embodiments will be described in detail, these embodiments are illustrative only and are not to be considered restrictive or exhaustive in all respects. Therefore, for those skilled in the art, without departing from the spirit and principle of the present invention, various changes and modifications of the present invention should be obvious and easily achievable.

Hereinafter, an interactive directional sound display system 10 and an interactive directional sound display method according to an embodiment of the present invention will be described with reference to FIGS. 1A and 1B .

From above, referring to FIG. 1A , an interactive directional sound display system 10 according to an embodiment of the present invention may include a display unit 100 , a positioning and communication system 200 and a directional speaker 300 .

Specifically, the display unit 100 can be used to display image information 110 . Wherein, the image information 110 may be fixed static image information, variable static image information or dynamic image information, or may be two-dimensional image information or three-dimensional image information. For example, the image information 110 can be the content of exhibition paintings or exhibit illustrations, notices or introduction columns, advertisements, product DMs, menus, maps, audiobooks, videos, and the like. In addition, the display unit 100 may be a non-touch display unit or a touch display unit, or may be a two-dimensional display unit displaying planar image information or a three-dimensional display unit displaying stereoscopic image information. As mentioned above, the display unit 100 can be various devices capable of displaying image information 110 that can be viewed or appreciated by people, and the image information 110 can be various forms of image information, and the present invention is not limited to the examples specifically shown above .

Next, referring to FIG. 1A , in the interactive directional sound display system 10 , the positioning and communication system 200 can be used to confirm a user location 25 where a user 15 is located, and identify the identity or authority of the user 15 . Specifically, when a user 15 appears in front of the display unit 100 , the positioning and communication system 200 can locate and identify the user 15 . To this end, the positioning and communication system 200 may include various components or modules capable of achieving positioning and identification, and the positioning and identification may be performed in various ways. For example, when a user 15 is viewing or viewing the image information 110, the positioning and communication system 200 can receive a position signal 212 sent in various ways to confirm the user's position 25, and can receive various An identification signal 214 is sent in a manner to identify the identity or authority of the user 15 . Continuing from the above, the specific implementation of this process will be further described in detail below.

Here, different components or modules used for positioning and identification in the positioning and communication system 200 can be respectively arranged in various same or different positions relative to the above-mentioned display unit 100 , and then can function at the functional positions. For example, the positioning and communication system 200 may include a laser scanner, and the laser scanner is disposed at a position where it can scan the user 15 in front of the display unit 100 without being interfered by the display unit 100 or other devices.

Through the positioning and identification of the above positioning and communication system 200, the directional speaker 300 can be controlled to transmit the ultrasonic sound signal 302 corresponding to the image information 110 toward the user position 25 according to the identity or authority of the user 15, thereby corresponding The user's 15 at the user's position 25 is instructed to operate. For example, according to the fact that the user 15 is a native Chinese speaker and an adult, the directional speaker 300 can be controlled to play the full version of the introduction voice in Chinese for adults toward the user 15, and thus will not interfere with other people in the same space. of visitors.

Here, the directional loudspeaker 300 of the interactive directional sound display system 10 according to the embodiment of the present invention can be any audio that can only be played in a specific direction, and the transmitted audio can only be heard at a specific position or within a specific range. Directional loudspeaker 300. For example, the directional speaker 300 may be an ultrasonic directional speaker. The ultrasonic directional speaker can mount the audio on the ultrasonic wave in the form of amplitude modulation, and then transmit the audio to a specific position or a specific range in the air environment by means of the directional ultrasonic wave, so that the person in a specific position or a specific range Humans can receive self-demodulated and restored audio. However, this is only an example, and the present invention is not limited thereto.

In addition, although two directional speakers 300 are shown in FIG. 1A, according to other embodiments of the present invention, the interactive directional sound display system 10 may be provided with one or more directional speakers 300, and the present invention is not limited to the example.

Based on the above, referring to FIG. 1B together with FIG. 1A, according to an embodiment of the present invention, based on the above-mentioned interactive directional sound display system 10, the interactive directional sound display method may include: display action S10, through the display unit 100 displays the image information 110; the positioning action S20, receives the position signal 212 through the positioning and communication system 200 to confirm the user position 25; the identification action S30, receives the identification signal 214 through the positioning and communication system 200 to identify the user 15 and the audio playing action S40, according to the identity or authority of the user 15, the ultrasonic sound signal 302 corresponding to the image information 110 is propagated toward the user position 25 through the directional speaker 300. In addition, the interactive directional sound display method may optionally further include an operation S50 indicated by the user 15 after the recognition S30. That is, the user 15 can further control the display of the display unit 100 and/or the playback of the directional speaker 300 by operating, for example, the operation signal.

In the case where the operation S50 is included, the form or content of the audio playing, or the form or content displayed by the display unit 100 can be adjusted in real time corresponding to the operation S50. According to some embodiments of the present invention, before implementing the audio playing action S40, the operating action S50 may be required first, and then the audio playing action S40 and the displaying action S10 are continuously and immediately adjusted corresponding to the operating action S50. However, the above are examples only, and the present invention is not limited thereto.

Further, according to some embodiments of the present invention, the above actions may be performed simultaneously or integrated into a single action. For example, the positioning action S20 and the identification action S30 can be performed simultaneously; or the position signal 212 received by the positioning action S20 and the identification signal 214 received by the identification action S30 can actually be an integrated signal, and the positioning The action S20 and the identifying action S30 can be integrated into a positioning and identifying action to receive the integrated signal. However, this is only an example, and the present invention is not limited thereto.

Based on the above, the interactive directional sound display system 10 and the interactive directional sound display method can receive instructions from the user 15 at the user position 25 (such as position signal 212, identification signal 214, and operation signal, etc.) operate. Therefore, the interactivity of this type of directional speaker device can be increased and improved, thereby improving the applicability of this type of directional speaker device.

It should be noted that the above processes can be performed on one or more users at the same time without conflicting with each other. That is, the interactive directional sound display system 10 and the interactive directional sound display method according to various embodiments of the present invention can be performed on one or more users in front of the display unit 100 at the same time. Therefore, one or more users can individually listen to the required or desired audio without interfering with each other.

In order to perform the above actions, according to some embodiments of the present invention, as shown in FIG. The directional speaker 300, the display unit 100, or a combination of the display unit 100 and the directional speaker 300 are operated. Specifically, as described above, the positioning and communication system 200 can receive the position signal 212 representing the user position 25 of the user 15, and the identification signal 214 representing the identity or authority of the user 15, and based on the above position signal 212 and The identification signal 214 is used to control the playback of the directional speaker 300 and/or the display of the display unit 100 through the control unit 250 . Further, when the operation action S50 is included, the positioning and communication system 200 can also receive the operation signal 216 corresponding to the image information 110 or the ultrasonic sound signal 302, and use The control unit 250 operates the directional speaker 300 , the display unit 100 , or a combination of the display unit 100 and the directional speaker 300 . In addition, if the operation S50 is not included, the positioning and communication system 200 can also generate the operation signal 216 by itself according to the positioning and identification results, and then control the directional speaker 300, the display unit 100, or the display unit 100 through the control unit 250. and directional speaker 300 to operate.

In the above-mentioned interactive directional sound display system 10 and the interactive directional sound display method, the embodiments of the specific implementation aspects of the above-mentioned actions and their variant embodiments will be further described below with reference to the drawings.

For positioning, referring to FIG. 3 , the positioning and communication system 200 may additionally include a positioning module 210 , for example. Next, referring to FIG. 4A together with FIG. 3, according to a first variant embodiment of the present invention, in receiving a position signal 212 to confirm the user position 25, the positioning module 210 of the positioning and communication system 200 can send an ultrasonic scanning signal 212 ', to scan and detect the user's position 25, and receive the ultrasonic scanning signal 212' and the position signal 212 reflected by the user 15. In this way, the current user position 25 of the user 15 can be relatively located based on information such as the direction, angle, and intensity of the ultrasonic scanning signal 212' and the reflected position signal 212. However, the present invention is not limited thereto, and the positioning module 210 can also send out other types of scanning signals 212' to obtain reflected position signals 212 for positioning. For example, the scanning signal 212' can be a signal including but not limited to laser, infrared, etc., and the positioning module 210 can scan horizontally, vertically or a combination thereof to detect the user position 25 where the user 15 is located.

In addition, referring to FIG. 4B together with FIG. 3, according to the second variant embodiment of the present invention, the positioning module 210 can sense the thermal radiation (infrared rays) emitted by the human body as a position signal 212, so as to track Users who emit infrared rays15. In this way, the current user location 25 where the user 15 is located can be located. However, the present invention is not limited thereto, and the positioning module 210 can also receive any various forms of position signals 212 that can be naturally emitted by the human body.

Furthermore, referring to FIG. 4C together with FIG. 3, according to a third variant embodiment of the present invention, the location module 210 can receive a location signal 212 sent from a mobile terminal 600, so as to locate the current user location of the user 15. 25. For example, the mobile terminal 600 may be the mobile terminal 600 attached by the museum when the user 15 enters an exhibition hall. In addition, the mobile terminal 600 can also be a user mobile device held by the user 15 itself, and the user mobile device can send the location signal 212 . As above, the positioning and communication system 200 receives the location signal 212 sent by the mobile terminal 600 (eg, the user's mobile device) to detect the user's location 25 where the mobile terminal 600 (eg, the user's mobile device) is located.

Based on the above, the positioning and communication system 200 may include the above-mentioned and other various devices and devices for achieving the positioning function, so as to locate the user position 25 of the user 15 . For example, the positioning and communication system 200 may include an ultrasonic scanner, a wireless base station, a laser scanner, a natural light object sensing tracker, an infrared sensing tracker, an optical coupling device image recognition system or a combined array to detect the user's position 25 , and receive a position signal 212 corresponding to the detected user position 25 of the user 15 . And, the above is just an example, and the present invention is not limited thereto.

For identification, referring to FIG. 3 , the positioning and communication system 200 may further include, for example, an identification module 220 . After the locating process specifically shown according to the above-mentioned variant embodiments is completed, the identification module 220 can be used to identify the identity or authority of the located user 15 . For example, referring to FIG. 5A together with FIG. 3, according to the fourth variant embodiment of the present invention, in the case that the user 15 has a mobile terminal 600, the identification module 220 of the positioning and communication system 200 can use the mobile terminal 600 The identification signal 214 is sent to confirm the identity or authority of the user 15 . Specifically, in one embodiment, when the mobile terminal 600 is the mobile terminal 600 issued to the user 15 by the organizer according to the identity or authority of the user 15, the mobile terminal 600 can issue a The identification signal 214. Therefore, the identification module 220 of the positioning and communication system 200 can receive the default identification signal 214 sent by the mobile terminal 600 to identify the identity or authority of the user 15 . In addition, in another embodiment, when the mobile terminal 600 is a user mobile device held by the user 15, the identification signal 214 can be generated by using the user mobile device to identify the user 15 using biometric features; or can be generated by the user mobile device. The user 15 inputs what is generated by the user's mobile device. For example, the user's mobile device can identify the biometric features of the user 15 such as fingerprints, irises, and faces to determine the identity of the user 15 , and correspondingly send out an identification signal 214 representing the identity or authority of the user 15 . Alternatively, the user's mobile device may issue an instruction to require the user 15 to input a password representing the identity or authority of the user 15, thereby confirming the identity or authority of the user 15, and then correspondingly send an identification signal representing the identity or authority of the user 15 214. However, in the case that the user 15 has the mobile terminal 600 , the positioning and communication system 200 can also identify the user 15 by means other than the mobile terminal 600 , not limited to the above-mentioned examples.

For example, according to the fifth variation embodiment of the present invention, referring to FIG. 5B together with FIG. 3 , the identification module 220 of the positioning and communication system 200 may include a directional ultrasonic transceiver, and after receiving the position signal 212 to let the user position After 25 is detected and confirmed, the directional ultrasonic transceiver can send an ultrasonic carrier signal 218' to the user's position 25, and then receive an ultrasonic modulation communication signal 218" from the user's position 25. Specifically, the ultrasonic modulation The communication signal 218 ″ can be generated by loading the voice signal 35 generated at the user position 25 onto the ultrasonic carrier signal 218 ′. Wherein, the voice signal 35 may include an identification signal 214 for confirming the identity or authority of the user 15, an operation signal 216 for operating the display unit 100 or the directional speaker 300 (to be further described later) or a combination thereof . Based on the above, when the voice signal 35 includes the identification signal 214 , the identification module 220 can demodulate or analyze the identification signal 214 when receiving the ultrasonic modulation communication signal 218 ″ to identify the identity or authority of the user 15 .

Further, continuing to refer to FIG. 5B , the directional ultrasonic transceiver can optionally further send an ultrasonic indication signal 222 to the user 15 , and the user 15 dictates a voice signal 35 corresponding to the content or inquiry of the ultrasonic indication signal 222 . For example, the ultrasonic indication signal 222 may require the user 15 to answer the identity authority password, and the user 15 thus answers the identity authority password as the identification signal 214 . The answering voice signal 35 including the identification signal 214 is loaded on the ultrasonic carrier signal 218' to generate the returned ultrasonic modulated communication signal 218".

Here, according to some embodiments, the positioning module 210 and the identification module 220 may substantially share some components. Alternatively, according to other embodiments, the positioning module 210 and the identification module 220 may be substantially an integrated positioning and identification module. However, the above are only examples, and it should be clear to those skilled in the art that, according to different embodiments of the present invention, the systems and modules described above and below may share some components or be integrated are the same device or device, and the present invention is not limited thereto.

As mentioned above, based on the above-mentioned results of positioning and identifying the user 15 according to various embodiments, the control unit 250 of the positioning and communication system 200 can adjust the directional speaker 300 to emit the ultrasonic sound signal 302 corresponding to the image information 110 to User position 25. The user 15 at the user location 25 can accordingly receive the ultrasonic sound signal 302 corresponding to his identity or authority, and the ultrasonic sound signal 302 will be self-demodulated into audio for the user 15 to listen to. For example, when a user 15 is located at a predetermined position in front of the display unit 100 whose image information 110 is an artistic painting and is identified as a native English speaker, the directional speaker 300 can correspondingly emit an English commentary to the predetermined position. The ultrasonic sound signal 302 of the audio. Therefore, visitors in the same exhibition hall can more easily listen to the native language explanations of the art paintings without interfering with each other without wearing headphones to hinder their cognition of the environment.

As mentioned above, after identifying the identity or authority of the user 15, the interactive directional sound display system and the interactive directional sound display method according to various embodiments of the present invention can further allow the user 15 to manipulate the display unit 100, Directional loudspeaker 300 or a combination thereof. Specifically, the positioning and communication system 200 can receive the operation signal 216 corresponding to the image information 110 or the ultrasonic sound signal 302, and the control unit 250 can control the directional speaker according to the identity or authority of the user 15 and the operation signal 216. 300 , the display unit 100 , or a combination of the display unit 100 and the directional speaker 300 performs corresponding operations.

For example, referring to FIG. 5A, according to the sixth variation embodiment of the present invention, when the user 15 has a mobile terminal 600 and the mobile terminal 600 has a manipulation function, the user 15 can input required operations through the mobile terminal 600, And the mobile terminal 600 can thus send the operation signal 216 to be received by the positioning and communication system 200 . Thereby, the control unit 250 can correspondingly operate the display unit 100 , the directional speaker 300 or a combination thereof according to the identity or authority of the user 15 and the content of the operation signal 216 . For example, the user 15 can input and send out an operation signal 216 through the user's mobile device to control the directional speaker 300 to play the expected ultrasonic sound signal 302 or control the display unit 100 to display the expected image information 110 .

In addition, referring to FIG. 5B , according to the seventh variant embodiment of the present invention, similar to the process shown in the identification process above, the positioning and communication system 200 may include a directional ultrasonic transceiver, and the directional ultrasonic transceiver is located at the user position 25 After being detected, an ultrasonic carrier signal 218' can be sent to the user position 25, and then an ultrasonic modulation communication signal 218" is received from the user position 25. As mentioned above, the ultrasonic modulation communication signal 218" can be generated in The speech signal 35 at the user position 25 is loaded on the ultrasonic carrier signal 218' to generate. Wherein, the voice signal 35 may include the identification signal 214 for confirming the identity or authority of the user 15 , the operation signal 216 for operating the display unit 100 or the directional speaker 300 , or a combination thereof. Specifically, when the voice signal 35 includes the operation signal 216, the positioning and communication system 200 can demodulate or analyze the operation signal 216 when receiving the ultrasonic modulation communication signal 218″, and perform corresponding operations according to the operation signal 216 .

In addition, similar to the identification process, before the directional ultrasonic transceiver sends the ultrasonic carrier signal 218' to the user's position 25, the directional ultrasonic transceiver can optionally further send an ultrasonic indication signal 222 to the user 15, and use The operator 15 dictates a voice signal 35 corresponding to the content or inquiry of the ultrasonic indication signal 222 . For example, the ultrasonic indication signal 222 can ask the user 15 what service is needed, and the user 15 thus responds to the operation signal 216 that English explanation is required or the image information 110 needs to be played in fast forward. The reply voice signal 35 including the operation signal 216 is loaded on the ultrasonic carrier signal 218' to generate the returned ultrasonic modulated communication signal 218".

For example, according to the above-mentioned various forms or ways of sending out the operation signal 216, according to some embodiments of the present invention, the control unit 250 can determine the operation for the ultrasonic sound signal 302 according to the operation signal 216 and the identity or authority of the user 15 . The operations may include adjusting language type, volume, mute, stereo effect, tone color, voice gender, or playing audio length, and the present invention is not limited to the examples specifically stated herein. Alternatively, according to some embodiments of the present invention, the control unit 250 can determine the operation of the image information 110 according to the operation signal 216 and the identity or authority of the user 15 . The operations may include turning tables, switching screens, forward and backward fast forward, slow playback, opening, closing, freezing, etc., and the present invention is not limited to the examples specifically stated here.

It should be noted that the implementation aspects of the interactive process of display, positioning, identification, playback, operation, etc. described above with reference to the various embodiments can be used in combination without conflicting with each other. For example, according to the first application embodiment of the present invention, the interactive directional sound display system and method can first use the natural light object sensing tracker to locate the user 15, and then use the directional ultrasonic transceiver to send out the ultrasonic carrier signal 218' Then receive the ultrasonic modulation communication signal 218 ″ to identify the user 15 and confirm the instruction of the user 15 , and finally play a directional sound (for example, ultrasonic sound signal 302 ) to the user 15 through the directional speaker 300 .

In addition, according to the second application embodiment of the present invention, the interactive directional sound display system and method can first use the mobile terminal 600 to locate and identify the user 15, and then use the directional ultrasonic transceiver to send out the ultrasonic carrier signal 218' and then Receive the ultrasonic modulation communication signal 218 ″ to confirm the instruction of the user 15 , and finally play the directional sound (for example, the ultrasonic sound signal 302 ) to the user 15 through the directional speaker 300 .

Moreover, according to the third application embodiment of the present invention, the interactive directional sound display system and method can first use the mobile terminal 600 to locate and identify the user 15, and then receive the operation signal 216 sent from the mobile terminal 600 to Confirm the instruction of the user 15 , and finally play a directional sound (for example, an ultrasonic sound signal 302 ) to the user 15 through the directional speaker 300 .

Further, according to the fourth application embodiment of the present invention, the interactive directional sound display system and method can first send out the ultrasonic scanning signal 212' through the positioning and communication system 200 to locate the user 15, and then use the directional ultrasonic transceiver to send out The ultrasonic carrier signal 218' receives the ultrasonic modulation communication signal 218" to identify the user 15 and confirm the user's 15 command, and finally plays a directional sound (for example, ultrasonic sound signal 302) to the user 15 through the directional speaker 300 Furthermore, in this case, according to some embodiments, the microphones used to emit the ultrasonic scanning signal 212', the ultrasonic carrier signal 218' and the ultrasonic sound signal 302 may be shared or independent ultrasonic microphones or arrays of ultrasonic microphones.

As mentioned above, according to different embodiments of the present invention, the interactive dynamics and application form of the directional speaker device can be further improved and enhanced, and thus can be applied to a wider range of occasions for interaction and playback. For example, the interactive directional sound display system and interactive directional sound display method according to the above-mentioned different embodiments can be applied to various exhibition areas of museums or art galleries, and then use directional sound waves to create different visual effects for different visitors. situation or perform different voice commentaries without interfering or interfering with each other. Or, the interactive directional sound display system and the interactive directional sound display method according to the above-mentioned different embodiments can be applied to specific areas of specialty stores or supermarkets for product introduction, which can further attract customers without causing troubles of others. Or, the interactive directional sound display system and the interactive directional sound display method according to the above-mentioned different embodiments can be applied to various advertising windows, display boards, advertising light boxes, etc. Disturbances cause noise and confusion. Therefore, the interactive directional sound display system and the interactive directional sound display method according to the various embodiments of the present invention can be further popularized and applied to more occasions where it is necessary to listen to audio and avoid mutual interference or interference, thereby improving user listening Convenience and comfort when listening to audio.

The above descriptions are only some preferred embodiments of the present invention. It should be noted that various changes and modifications can be made to the present invention without departing from the spirit and principle of the present invention. Those with ordinary knowledge in the technical field should understand that the present invention is defined by the scope of the appended patent application, and under the meaning of the present invention, all possible replacements, combinations, modifications and diversions and other changes are within this scope. The scope of the invention is defined by the appended patent claims.

Claims (19)

1. An interactive directional sound display system, characterized in that it is used to accept instructions from a user located at a user position to operate, and the interactive directional sound display system includes: a display unit for displaying an image information; A positioning and communication system, perform the following steps: receiving a location signal to confirm the user's location; and Receive an identification signal to identify the identity or authority of the user; A directional loudspeaker transmits an ultrasonic sound signal corresponding to the image information toward the user's position according to the user's identity or authority. 2. The interactive directional sound display system according to claim 1, wherein the positioning and communication system receives an operation signal corresponding to the image information or the ultrasonic sound signal, and has a control unit according to the use The directional speaker, the display unit, or a combination of the display unit and the directional speaker is operated by the user's identity or authority and the operation signal. 3. The interactive directional sound display system according to claim 2, wherein the positioning and communication system sends out an ultrasonic scanning signal to scan and detect the position of the user, and receives the ultrasonic scanning signal to touch the user And the reflected position signal. 4. The interactive directional sound display system according to claim 2, wherein the positioning and communication system comprises a wireless base station, a laser scanner, a natural light object sensing tracker, an infrared sensing tracking The sensor, or a combined array thereof, detects the location of the user and receives the location signal corresponding to the detected user. 5. The interactive directional sound display system as claimed in claim 2, further comprising a user mobile device for sending the position signal, wherein the positioning and communication system receives the position signal to detect the user The user's location where the mobile device is located. 6. The interactive directional sound display system according to claim 5, wherein the positioning and communication system confirms the identity or authority of the user through the identification signal sent by the mobile device of the user, and the identification The signal is generated by the user's mobile device using biometrics to identify the user, or generated by the user's input into the user's mobile device. 7. The interactive directional sound display system according to claim 5, wherein the user sends the operation signal through the user mobile device to control the directional speaker to play the expected ultrasonic sound signal or The display unit is manipulated to display the expected image information. 8. The interactive directional sound display system according to any one of claims 3 to 5, wherein the positioning and communication system comprises a directional ultrasonic transceiver, and the directional ultrasonic transceiver is located at the user's position After being detected, an ultrasonic carrier signal is sent to the user's position, and an ultrasonic modulation communication signal is received from the user's position, Wherein, the ultrasonic modulation communication signal is generated by loading a voice signal generated at the user's position on the ultrasonic carrier signal. 9. The interactive directional sound display system according to claim 8, wherein the voice signal includes the operation signal, and the control unit decides to target the ultrasonic sound according to the operation signal and the user's identity or authority. The operation of the signal, the operation includes adjusting the language type, volume, mute, stereo effect, tone color, voice gender or playing audio length. 10. The interactive directional sound display system according to claim 8, wherein the voice signal includes the operation signal, and the control unit determines the content of the image information according to the operation signal and the user's identity or authority. This operation includes turning the platform, switching screens, forward and backward fast forward, slow playback, opening, closing, and freezing. 11. The interactive directional sound display system according to claim 8, wherein the directional ultrasonic transceiver further sends an ultrasonic indication signal to the user, and the user responds to the content of the ultrasonic indication signal or query and dictate the voice signal. 12. The interactive directional sound display system according to claim 8, wherein the voice signal includes the identification signal for confirming the identity or authority of the user, for operating the display unit or the directional This operating signal of the loudspeaker, or a combination thereof. 13. An interactive directional sound display method, characterized in that the operation is performed according to an instruction received from a user located at a user position, the interactive directional sound display method comprising: Displaying an image information by a display unit: Receiving a location signal through a positioning and communication system to confirm the user's location; Receiving an identification signal through the positioning and communication system to identify the identity or authority of the user; and According to the user's identity or authority, an ultrasonic sound signal corresponding to the image information is propagated toward the user's position through a directional speaker. 14. The interactive directional sound display method according to claim 13, characterized in that, after identifying the identity or authority of the user, the interactive directional sound display method further comprises receiving An operation signal corresponding to the image information or the ultrasonic sound signal, and through a control unit according to the identity or authority of the user and the operation signal to the directional speaker, the display unit, or the display unit and the directional A corresponding operation is performed for the combination of different speakers. 15. The interactive directional sound display method according to claim 14, wherein receiving the position signal to confirm the user position comprises sending an ultrasonic scanning signal through the positioning and communication system, and receiving the The ultrasonic scanning signal touches the user and reflects the position signal to scan and detect the user's position. 16. The interactive directional sound display method as claimed in claim 14, wherein receiving the position signal to confirm the user position comprises receiving the signal from a mobile device of the user through the positioning and communication system The location signal is used to detect the location of the user where the mobile device of the user is located. 17. The interactive directional sound display method according to any one of claims 14 to 16, wherein after receiving the position signal to confirm the user's position, the interactive directional sound display method comprises: A directional ultrasonic transceiver of the positioning and communication system sends an ultrasonic carrier signal to the user's position, and then receives an ultrasonic modulated communication signal from the user's position, Wherein, the ultrasonic modulation communication signal is generated by loading a voice signal generated at the user's position on the ultrasonic carrier signal. 18. The interactive directional sound display method according to claim 17, wherein before the directional ultrasonic transceiver sends the ultrasonic carrier signal to the user's position, the interactive directional sound display method further comprises sending an ultrasonic indication signal to the user through the directional ultrasonic transceiver, Wherein, the user dictates the voice signal corresponding to the content or the query of the ultrasonic indication signal. 19. The interactive directional sound display method according to claim 17, wherein the voice signal includes the identification signal for confirming the identity or authority of the user, for operating the display unit or the directional This operating signal of the loudspeaker, or a combination thereof.