TW202002543A - Interactive directional audio display system and interactive directional audio display method - Google Patents

Abstract

The present invention provides an interactive directional audio display system used to be operated by receiving instructions from the user at a user location. The interactive directional audio display system includes: a display unit for displaying image information; a positioning and communication system for confirming the user location and identifying the identity or the authority of the user; and a directional speaker for transmitting ultrasonic audio signal corresponding to the image information. The directional speaker can transmit the ultrasonic audio signal according to the identity or the authority of the user toward the user position.

Description

Interactive directional sound display system and interactive directional sound display method

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 that can locate and recognize a user's operation.

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

In view of this, various directional speakers having propagation directionality, for example, utilizing ultrasonic wave propagation have been developed to meet such demands. Specifically, such directional speakers can mount the audio on the ultrasonic waves with amplitude modulation, and then use the ultrasonic wave transmission to focus the audio on the target object for propagation. When the audio is transmitted to the target object through air or other media, it can be demodulated into the original audio for the target object to listen to. However, at present, the operational interactivity of such directional speakers is still limited, making it difficult to universally apply to the occasions where audio needs to be listened to. Therefore, there is a need to improve and increase the operational interactivity of such directional speakers.

In order to solve the above-mentioned problems, an embodiment of the present invention provides an interactive directional sound display system for operating by accepting instructions from a user at a 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: receive a position signal to confirm the user's position; and receive 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 to the user position according to the user's identity or authority.

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

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

10‧‧‧Interactive directional sound display system

15‧‧‧ user

25‧‧‧User location

35‧‧‧Voice signal

100‧‧‧Display unit

110‧‧‧Image Information

200‧‧‧positioning and communication system

210‧‧‧Positioning module

212‧‧‧Position signal

212’‧‧‧scanning signal

214‧‧‧Identify 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 action

S20‧‧‧Positioning action

S30‧‧‧Identify action

S40‧‧‧Audio playback action

S50‧‧‧Operation

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

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

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

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 an interactive directional sound display system and method according to different variations of the present invention.

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

Various embodiments will be described below, and those with ordinary knowledge in the art can easily understand the spirit and principles of the present invention with reference to the description and accompanying drawings. However, although some specific embodiments will be specifically described in the text, these embodiments are merely illustrative, and are not considered to be restrictive or exhaustive in every respect. Therefore, for those having ordinary knowledge in the technical field, various changes and modifications to the present invention should be obvious and easily achievable without departing from the spirit and principles of the present invention.

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.

As mentioned above, referring first 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. The image information 110 may be fixed still image information, changed still image information or dynamic image information, or may be two-dimensional image information or three-dimensional image information. For example, the image information 110 may be the contents of exhibition paintings or icons of exhibits, notices or introduction columns, advertisements, product DMs, menus, maps, audio books, movies, etc. 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. According to the above, the display unit 100 may be various devices that can display image information 110 that can be viewed or viewed by a person, and the image information 110 may be various forms of image information, and the present invention is not limited to the examples specifically shown above.

1A, in the interactive directional sound display system 10, the positioning and communication system 200 can be used to confirm a user position 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 recognize the user 15. To this end, the positioning and communication system 200 may include various components or modules that can achieve positioning and identification, and thus can be positioned and identified in various ways. For example, when a user 15 is viewing or viewing image information 110, the positioning and communication system 200 may receive a position signal 212 sent in various ways to confirm the user's position 25, and may receive various ways An identification signal 214 is sent out to identify the identity or authority of the user 15. As mentioned above, the specific implementation of this process will be further detailed below.

Here, different components or modules used for positioning and identification in the positioning and communication system 200 can be respectively disposed at various same or different positions relative to the above-mentioned display unit 100, and thus can function at positions where they can function. For example, the positioning and communication system 200 may include a laser scanner, and the laser scanner is located at a position that can scan the user 15 in front of the display unit 100 without being used by, for example, the display unit 100 or other device equipment. put one's oar in.

Through the positioning and identification of the positioning and communication system 200 described above, the directional speaker 300 can be controlled to propagate 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, and accordingly It accepts the instruction of the user 15 at the user position 25 to operate. For example, according to the user 15 being a native Chinese speaker and an adult, the directional speaker 300 can be controlled to play the full version of the Chinese introduction speech for the adult towards the user 15, and therefore will not interfere with other people in the same space Visitors.

Here, the directional speaker 300 of the interactive directional sound display system 10 according to the embodiment of the present invention may be any one that transmits audio only in a specific direction, and the transmitted audio can only be listened to at a specific location or within a specific range Directional speaker 300. For example, the directional speaker 300 may be an ultrasonic directional speaker. Ultrasonic directional loudspeakers can mount the audio on the ultrasonic waves with amplitude modulation, and then transmit the audio to a specific location or specific range in the air environment by the ultrasonic with transmission directionality, so that the specific location or specific range People can receive self-demodulated and restored audio. However, this is only an example, and the present invention is not limited to this.

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 Show examples.

As described above, referring to FIG. 1B together with FIG. 1A and FIG. 1B, according to an embodiment of the present invention, based on the interactive directional sound display system 10 described above, the interactive directional sound display method may include: display action S10, through the display unit 100 Display image information 110; positioning action S20, the positioning and communication system 200 receives the position signal 212 to confirm the user's position 25; recognition action S30, the positioning and communication system 200 receives the identification signal 214 to identify the identity of the user 15 or Authority; and audio playback 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 through the directional speaker 300 toward the user position 25. In addition, after identifying the action S30, the interactive directional sound display method may optionally further include the operation action S50 instructed by the user 15. 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, for example, operating signal operations.

In the case where the operation S50 is included, the form or content of the audio playback or the form or content displayed by the display unit 100 can be adjusted in response to the operation S50 in real time. According to some embodiments of the present invention, before the audio playback action S40 is implemented, the operation action S50 may be passed first, and then the audio playback action S40 and the display action S10 are continuously and instantly adjusted according to the operation action S50. However, the above is only an example, and the present invention is not limited to this.

Further, according to some embodiments of the present invention, the above actions may be performed simultaneously or may be 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 action S20 and identification Action S30 can be integrated into positioning and identification actions to receive the integrated signal. However, this is only an example, and the present invention is not limited to this.

As mentioned above, the interactive directional sound display system 10 and the interactive directional sound display method can accept the instructions of the user 15 at the user position 25 (such as the position signal 212, the identification signal 214, and the operation signal, etc.) operating. Therefore, the interaction of such directional speaker devices can be increased and improved, thereby improving the applicability of such directional speaker devices.

It should be noted that the above process can be performed on one or more users at the same time without conflict. 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 for 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 desired or desired audio without mutual interference.

In order to perform the above-mentioned operations, according to some embodiments of the present invention, as shown in FIG. 2, the positioning and communication system 200 may further include a control unit 250, and the control unit 250 may be used for directivity according to the identity or authority of the user 15 The speaker 300, the display unit 100, or a combination of the display unit 100 and the directional speaker 300 operate. 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 position signal 212 and The identification signal 214 controls the playback of the directional speaker 300 and/or the display of the display unit 100 by the control unit 250. Further, under the operation S50, 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 can be controlled according to the position signal 212, the identification signal 214, and the operation signal 216. The 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, without the operation action S50, the positioning and communication system 200 can also generate the operation signal 216 according to the result of positioning and recognition, and then use the control unit 250 to control the directional speaker 300, the display unit 100, or the display unit 100 and The combination of directional speakers 300 operates.

In the above-mentioned interactive directional sound display system 10 and interactive directional sound display method, the embodiments of the specific implementation of the above-mentioned actions and their modified 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 the first variation embodiment of the present invention, in receiving the 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 position signal 212 reflected by the ultrasonic scanning signal 212' touching the user 15. By this, the user position 25 where the user 15 is currently located can be relatively positioned based on the 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 to this, and the positioning module 210 can also send other types of scanning signals 212' to obtain the reflected position signals 212 for positioning. For example, the scanning signal 212' may be a signal including but not limited to laser, infrared, etc., and the positioning module 210 may 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 a second variation embodiment of the present invention, the positioning module 210 can sense the heat radiation (infrared) emitted by the human body as the position signal 212 to track the relative surrounding environment. Users with strong infrared radiation 15. In this way, the user position 25 where the current user 15 is located can be located. However, the present invention is not limited to this, and the positioning module 210 can also receive any position signal 212 in various forms naturally emitted by the human body.

Furthermore, referring to FIG. 4C together with FIG. 3, according to a third variation embodiment of the present invention, wherein the positioning module 210 can receive the position signal 212 sent from a mobile terminal 600, thereby locating the user where the current user 15 is located Position 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 may also be a user mobile device held by the user 15 itself, and the user mobile device may be used to send a position signal 212. As mentioned above, the positioning and communication system 200 receives the position signal 212 sent by the mobile terminal 600 (eg, user mobile device) to detect the user's location 25 where the mobile terminal 600 (eg, user mobile device) is located .

As mentioned above, the positioning and communication system 200 may include the above-mentioned and other various devices and equipment for achieving the positioning function, for positioning 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, a photosensitive coupling element image recognition system, or a combination thereof to detect users Position 25, and receive the position signal 212 corresponding to the user position 25 of the detected user 15. And, the above is only an example, and the present invention is not limited to this.

For identification, referring to FIG. 3, the positioning and communication system 200 may further include, for example, an identification module 220. After the positioning process specifically shown according to the above-mentioned various embodiments is completed, the identification module 220 can be used to identify the identity or authority of the positioned user 15. For example, referring to FIG. 5A together with FIG. 3, according to a fourth variation embodiment of the present invention, in the case where the user 15 has a mobile terminal 600, the identification module 220 of the positioning and communication system 200 can be used by the mobile terminal The identification signal 214 sent by 600 confirms the identity or authority of the user 15. Specifically, in an embodiment, when the mobile terminal 600 is issued by the organizer to the user 15's mobile terminal 600 according to the identity or authority of the user 15, the mobile terminal 600 may issue a preset identity or authority The identification signal 214. Therefore, the identification module 220 of the positioning and communication system 200 can receive the preset 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 may be generated by using the biometrics to identify the user 15 through the user mobile device; or may be generated by the The user 15 enters the user mobile device generated. For example, the user's mobile device can recognize the biometrics such as the fingerprint, iris, face, etc. of the user 15 to determine the identity of the user 15, and correspondingly issue an identification signal 214 representing the identity or authority of the user 15. Alternatively, the user's mobile device may issue a command requesting the user 15 to enter a password representing the identity or authority of the user 15 to determine the identity or authority of the user 15 and then correspondingly issue an identification signal representing the identity or authority of the user 15 214. However, in the case where 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, and is not limited to the above-mentioned examples.

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

Further, referring to FIG. 5B, the directional ultrasonic transceiver can optionally further send an ultrasonic indication signal 222 to the user 15, and the user 15 verbally sends out a voice signal 35 corresponding to the content or challenge 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 voice signal 35 of the answer including the identification signal 214 is loaded on the ultrasonic carrier signal 218' to generate the returned ultrasonic modulation 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 integrated positioning and identification modules. However, the above are only examples, and those of ordinary skill in the art should understand that, according to different embodiments of the present invention, the systems and modules described above and below may share some components or may It is integrated into the same device or device, and the invention is not limited thereto.

As described above, based on the results of the positioning and recognition of the user 15 according to the above 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 accordingly. User position 25. The user 15 at the user position 25 can accordingly receive the ultrasonic sound signal 302 relative to his identity or authority, and the ultrasonic sound signal 302 will demodulate itself into audio for the user 15 to listen to. For example, when a user 15 is located at a predetermined location in front of the display unit 100 where the image information 110 is an art painting and is identified as a native English speaker, the directional speaker 300 can correspondingly send a commentary containing English to the predetermined location The ultrasonic sound signal 302 of the audio. Therefore, visitors in the same exhibition hall can more easily hear the native language commentary on art paintings without interfering with each other without hindering the perception of the environment without wearing headphones.

As described 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 control the display unit 100, Directional speaker 300 or a combination thereof. Specifically, the operation signal 216 corresponding to the image information 110 or the ultrasonic sound signal 302 can be received by the positioning and communication system 200, and the directional speaker can be controlled by the control unit 250 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, under the condition that the user 15 has the mobile terminal 600 and the mobile terminal 600 has the control function, the user 15 can input the desired operation 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. Accordingly, the control unit 250 can 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 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 a seventh variation embodiment of the present invention, similar to the process shown in the above identification process, the positioning and communication system 200 may include a directional ultrasonic transceiver, and the directional ultrasonic transceiver is at the user's 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" can be received from the user position 25. As described above, the ultrasonic modulation communication signal 218" can be generated The voice signal 35 at the user position 25 is loaded on the ultrasonic carrier signal 218' to generate. The voice signal 35 may include the aforementioned 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 the corresponding operation according to the operation signal 216 .

In addition, similar to the identification process, before the directional ultrasonic transceiver sends an ultrasonic carrier signal 218' to the user position 25, the directional ultrasonic transceiver can optionally further send an ultrasonic indication signal 222 to the user 15 and use The person 15 dictates the voice signal 35 in response to the content or inquiry of the ultrasonic instruction signal 222. For example, the ultrasonic indication signal 222 may ask the user 15 what service is needed, and the user 15 thus answers the operation signal 216 that requires English commentary or needs to fast forward the video information 110. The voice signal 35 including the operation signal 216 of this answer is loaded on the ultrasonic carrier signal 218' to generate the returned ultrasonic modulation communication signal 218".

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

It should be noted that the above-mentioned implementations of the interactive processes of display, positioning, recognition, playback, operation, etc. described with reference to the 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 locate the user 15 by natural light object sensing tracker, and then send the ultrasonic carrier signal 218' with the directional ultrasonic transceiver Receiving the ultrasonic modulation communication signal 218" to identify the user 15 and confirm the user 15's instructions, and finally play the directional sound (for example, the 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 locate and identify the user 15 through the mobile terminal 600, and then send the ultrasonic carrier signal 218' with the directional ultrasonic transceiver, and then Receive the ultrasonic modulation communication signal 218" to confirm the user 15's instruction, and finally play the directional sound (for example, the ultrasonic sound signal 302) to the user 15 through the directional speaker 300.

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

Further, according to the fourth application embodiment of the present invention, the interactive directional sound display system and method can first locate the user 15 by the positioning and communication system 200 sending out an ultrasonic scanning signal 212', and then sending out with a directional ultrasonic transceiver The ultrasonic carrier signal 218' receives the ultrasonic modulation communication signal 218" to identify the user 15 and confirm the user 15 command, and finally plays the directional sound (for example, the ultrasonic sound signal 302) to the user 15 through the directional speaker 300 In addition, in this case, according to some embodiments, the microphone for emitting the ultrasonic scanning signal 212', the ultrasonic carrier signal 218' and the ultrasonic sound signal 302 may be a shared or independent ultrasonic microphone or ultrasonic microphone array.

As described above, according to different embodiments of the present invention, the mutual dynamic pattern 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 the interactive directional sound display method according to the different embodiments described above can be applied to various exhibition areas of museums or art galleries, and then use directional sound waves to create different Situations or different voice explanations without interfering or interfering with each other. Or, the interactive directional sound display system and the interactive directional sound display method according to the different embodiments described above can be applied to a specific area of a specialty store or supermarket to introduce products, which can further attract customers without causing Troubled by others. Or, the interactive directional sound display system and the interactive directional sound display method according to the different embodiments described above can be applied to various advertisement windows, display boards, advertising light boxes, etc. for targeted broadcast announcements without interfering with each other This leads to noise and chaos. Therefore, the interactive directional sound display system and the interactive directional sound display method according to various embodiments of the present invention can be further popularized in more occasions where it is necessary to listen to audio and avoid mutual interference or interference, thereby improving user listening Convenience and comfort during audio.

The above are only some of the preferred embodiments of the present invention. It should be noted that various changes and modifications can be made in the present invention without departing from the spirit and principles 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 attached patent application, and under the meaning of the present invention, various possible replacements, combinations, modifications, and conversions do not exceed the present invention. The scope defined by the scope of the attached patent application.

10‧‧‧Interactive directional sound display system

15‧‧‧ user

25‧‧‧User location

100‧‧‧Display unit

110‧‧‧Image Information

200‧‧‧positioning and communication system

212‧‧‧Position signal

214‧‧‧Identify signal

300‧‧‧Directional speaker

302‧‧‧Ultrasonic sound signal

Claims (19)

An interactive directional sound display system for receiving commands from a user at a user's location for operation. The interactive directional sound display system includes: a display unit that displays image information; and a positioning and communication system , Perform the following steps: receive a location signal to confirm the user's location; and receive an identification signal to identify the user's identity or authority; a directional speaker, based on the user's identity or authority to propagate towards the user's location An ultrasonic sound signal corresponding to the image information. 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 identity or authority of the user And the operation signal performs an operation on the directional speaker, the display unit, or a combination of the display unit and the directional speaker. 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 reflect Location signal. The interactive directional sound display system according to claim 2, wherein the positioning and communication system includes a wireless base station, a laser scanner, a natural light object sensing tracker, an infrared sensing tracker, or Combine the array to detect the position of the user and receive the position signal corresponding to the detected user. The interactive directional sound display system according to claim 2, further comprising a user mobile device for emitting the location signal, wherein the positioning and communication system receives the location signal to detect the location where the user mobile device is located User location. 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 issued by the user's mobile device, and the identification signal is used by the user The mobile device of the user is generated by identifying the user using biometrics, or generated by the user inputting the mobile device of the user. The interactive directional sound display system according to claim 5, wherein the user sends out the operation signal through the user's mobile device to control the directional speaker to play the expected ultrasonic sound signal or control the display unit to display The expected image information. The interactive directional sound display system according to any one of claims 3 to 5, wherein the positioning and communication system includes a directional ultrasonic transceiver, which is emitted after the user's position is detected An ultrasonic carrier signal arrives at the user position, and then receives an ultrasonic modulation communication signal from the user position, wherein the ultrasonic modulation communication signal is to load a voice signal generated at the user position on the ultrasonic carrier Signal generated. The interactive directional sound display system according to claim 8, wherein the voice signal includes the operation signal, and the control unit determines the operation for the ultrasonic sound signal according to the operation signal and the identity or authority of the user, The operation includes adjusting language type, volume, mute, stereo sound effect, timbre, voice gender or playing audio length. The interactive directional sound display system according to claim 8, wherein the voice signal includes the operation signal, and the control unit determines the operation of the image information according to the operation signal and the identity or authority of the user, the operation Including turntable, switch screen, fast forward and backward, slow playback, open, close, freeze. 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 verbally sends out corresponding to the content or inquiry of the ultrasonic indication signal The voice signal. 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, and the operation signal for operating the display unit or the directional speaker , Or a combination thereof. An interactive directional sound display method, which operates according to an instruction received from a user at a user position. The interactive directional sound display method includes: displaying image information through a display unit: through a The positioning and communication system receives a position signal to confirm the user's position; the positioning and communication system receives an identification signal to identify the user's identity or authority; and the directivity is based on the user's identity or authority The speaker transmits an ultrasonic sound signal corresponding to the image information toward the user's location. According to the interactive directional sound display method of claim 13, after identifying the user's identity or authority, the interactive directional sound display method further includes receiving and receiving the image information or the image information through the positioning and communication system The ultrasonic sound signal corresponds to an operation signal, and a control unit corresponds to the directional speaker, the display unit, or a combination of the display unit and the directional speaker according to the user's identity or authority and the operation signal One operation. According to the interactive directional sound display method described in claim 14, receiving the position signal to confirm the user's position includes sending an ultrasonic scanning signal through the positioning and communication system, and receiving the ultrasonic scanning signal to touch the use The position signal reflected by the user scans and detects the user position. The interactive directional sound display method according to claim 14, wherein receiving the position signal to confirm the user's position includes receiving the position signal sent from a user's mobile device through the positioning and communication system to detect Measure the user's location where the user's mobile device is located. The interactive directional sound display method as described in any one of claims 14 to 16, after receiving the position signal and confirming the user's position, the interactive directional sound display method includes using the positioning and communication system A directional ultrasonic transceiver sends an ultrasonic carrier signal to the user's location, and then receives an ultrasonic modulation communication signal from the user's location, wherein the ultrasonic modulation communication signal is one that will be generated at the user's location The voice signal is generated by the ultrasonic carrier signal. The interactive directional sound display method as described in claim 17, wherein the interactive directional sound display method further includes using the directivity before the directional ultrasonic transceiver sends the ultrasonic carrier signal to the user position The ultrasonic transceiver sends an ultrasonic indication signal to the user, wherein the user dictates the voice signal in response to the content or challenge of the ultrasonic indication signal. 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, and the operation signal for operating the display unit or the directional speaker , Or a combination thereof.

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