TWI672012B - Interactive directional audio display system and interactive directional audio display method - Google Patents

Abstract

The invention provides an interactive directional sound display system for receiving instructions from a user located at a user's location for operation. The interactive directional sound display system includes: a display unit that displays image information; a positioning and communication system for confirming the position of a user and identifying the identity or authority of the user; and the directivity of transmitting an ultrasonic sound signal corresponding to the image information speaker. The directional loudspeaker can propagate the ultrasonic sound signal toward the user's location according to the identity or authority of the user.

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 identify a user for operation.

When viewing or viewing a picture or image with audio, in order to avoid causing distress to others, users often choose to wear headphones to listen to the required or desired audio. In recent years, in order to reduce the discomfort of wearing headphones and reduce possible damage to hearing, there is an increasing demand for playback devices that can be used in place of headphones and have specific directional playback capabilities.

In view of this, various directional loudspeakers having directivity such as the use of ultrasonic propagation have been developed to meet such needs. Specifically, such a directional speaker can mount audio on an ultrasonic wave in an amplitude-modulated manner, and then use ultrasonic transmission to project the audio to a target object for transmission. In the process of transmitting the audio to the target through air or other media, the audio can be demodulated into the original audio for the target to listen to. However, at present such references The operational interactivity of the directional speaker is still limited, making it difficult to popularize it for applications that need to listen to audio. Therefore, there is a need to improve and increase the operational interactivity of such directional speakers.

In order to solve the above problems, an embodiment of the present invention provides an interactive directional sound display system for receiving instructions from a user located at a user's location for operation. 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 identity or authority of the user. The directional speaker can propagate an ultrasonic sound signal corresponding to the image information toward the position of the user according to the identity or authority of the user.

According to another embodiment of the present invention, an interactive directional sound display method for performing operations according to an instruction received from a user located at a user's location is provided. 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 a user's position; and receiving an identification signal through a positioning and communication system to identify the user's identity Or authority; and according to the identity or authority of the user, an ultrasonic sound signal corresponding to the image information is transmitted to the user's position through a directional speaker.

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 interaction, applicability, and flexibility of the directional speaker device can be improved and improved. Therefore, the interactive directional sound display system according to the present invention and The interactive directional sound display method can be more widely applied to various occasions where audio listening is required to eliminate mutual interference or interference of sounds.

10‧‧‧ Interactive directional sound display system

15‧‧‧ users

25‧‧‧User location

35‧‧‧Voice signal

100‧‧‧display unit

110‧‧‧Image Information

200‧‧‧ Positioning and Communication System

210‧‧‧ Positioning Module

212‧‧‧Location signal

212’‧‧‧scan signal

214‧‧‧Identification signal

216‧‧‧operation signal

218’‧‧‧ ultrasonic carrier signal

218 ”‧‧‧Ultrasonic Modulation Communication Signal

220‧‧‧Identification Module

222‧‧‧ Ultrasonic instruction signal

250‧‧‧Control unit

300‧‧‧directional speakers

302‧‧‧Ultrasonic sound signal

600‧‧‧ mobile terminal

S10‧‧‧ Display action

S20‧‧‧ Positioning action

S30‧‧‧Identification 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 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 still 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 embodiments of the present invention.

5A and 5B are schematic diagrams of identification 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 technical field can easily understand the spirit and principles of the present invention by referring to the description and the accompanying drawings. However, although some specific embodiments will be specifically described in the text, these embodiments are merely exemplary and are not to be considered in a limiting or exhaustive sense in all respects. Therefore, for those who have Generally speaking, 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.

Continuing, 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 may be configured to display image information 110. The image information 110 may be fixed still image information, variable 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 content of an exhibition painting or an exhibit icon, a notice or an introduction column, an advertisement, a product DM, a menu, a map, an audiobook, a movie, or 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 that displays planar image information or a three-dimensional display unit that displays stereo image information. In conclusion, 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 types 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 position 25 of a user 15 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 may thereby perform positioning and identification 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 position 25, and may receive an identification signal 214 sent in various ways to identify the identity or authority of the user 15. In conclusion, 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 may be respectively disposed at the same or different positions with respect to the above-mentioned display unit 100, and thus may perform functions at positions that can function. For example, the positioning and communication system 200 may include a laser scanner, and the laser scanner is disposed at a position that can scan the user 15 in front of the display unit 100 without being affected by, for example, the display unit 100 or other devices. put one's oar in.

With the positioning and identification of the above-mentioned positioning and communication system 200, the directional speaker 300 can be controlled to transmit an 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 correspondingly It accepts instructions from the user 15 at the user position 25 to perform operations. For example, according to the fact that the user 15 is a native Chinese speaker and an adult, the directional speaker 300 may be controlled to play a full Chinese version of the introduction speech for the adult towards the user 15 and thus not interfere with other people in the same space. Visitors.

Here, the directional loudspeaker 300 of the interactive directional sound display system 10 according to the embodiment of the present invention may be any directional audio transmitted only in a specific direction, and the transmitted audio can only be heard 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 audio on ultrasonic waves with amplitude modulation, and then transmit audio to a specific location or specific range in the air environment by transmitting ultrasonic waves with directivity, so that the One can receive self-demodulated 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 the present invention, In other embodiments of the 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 illustrated examples.

Based on the above, 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: a display action S10, and the display unit 100 Display image information 110; positioning action S20, receiving position signal 212 by positioning and communication system 200 to confirm user position 25; identification action S30, receiving positioning signal 214 by positioning and communication system 200 to identify user 15 or Permissions; and the audio playback action S40, according to the identity or permissions of the user 15, propagates an ultrasonic sound signal 302 corresponding to the image information 110 to the user position 25 through the directional speaker 300. In addition, the interactive directional sound display method may optionally further include the operation action S50 instructed by the user 15 after identifying the action 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, for example, operating an operation signal.

In the case where the operation action 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 correspondingly by operating the action S50 in real time. According to some embodiments of the present invention, before performing the audio playback action S40, an operation act S50 may be required before the audio playback action S40 and the display act S10 are continuously and immediately adjusted accordingly. However, the above is merely an example, 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 may 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 may actually be an integrated signal, and the positioning action S20 and identification The action S30 can be integrated into a positioning and identification action to receive the integrated signal. However, this is only an example, and the present invention is not limited thereto.

According to the above description, the interactive directional sound display system 10 and the interactive directional sound display method can be performed by the user 15 (such as the position signal 212, the identification signal 214, and the operation signal) at the user position 25. operating. Therefore, the interactivity of such a directional speaker device can be increased and improved, thereby improving the applicability of such a directional speaker device.

It should be noted that the above process can be performed on one or more users simultaneously 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 separately for one or more users before the display unit 100. Therefore, one or more users can individually hear the desired or desired audio without mutual interference.

In order to perform the above-mentioned actions, 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 is operated. Specifically, as described above, the positioning and communication system 200 may 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 signals 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 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 control it 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 including the operation action S50, the positioning and communication system 200 can also generate an operation signal 216 by itself based on the positioning and recognition results, and then the control unit 250 can control the directional speakers 300, The display unit 100 or a combination of the display unit 100 and the directional speaker 300 is operated.

In the above-mentioned interactive directional sound display system 10 and the interactive directional sound display method, the embodiments 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 further include, for example, a positioning module 210. Next, referring to FIG. 4A together with FIG. 3, according to a first modified 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 may send an ultrasonic scanning signal 212 'to scan and detect the user position 25, and receive an ultrasonic scanning signal 212' that touches the user 15 and reflects the position signal 212. Thereby, the user position 25 where the current user 15 is located can be relatively located 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 may also emit 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 of the user 15. .

In addition, referring to FIG. 3 and FIG. 4B together with FIG. 3, according to a second modified embodiment of the present invention, the positioning module 210 can sense the thermal radiation (infrared) emitted by the human body as the position signal 212 to track the relative surrounding environment. Strong user 15 that emits infrared rays. Thereby, 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 form of position signal 212 that can be naturally emitted by the human body.

Furthermore, referring to FIG. 3 and FIG. 4C together with FIG. 3, according to a third modified embodiment of the present invention, the positioning module 210 can receive a position signal 212 from a mobile terminal 600 to determine User location 25 where current user 15 is located. 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 be used to send a position signal 212. In succession, the positioning and communication system 200 receives the position signal 212 from the mobile terminal 600 (for example, a user's mobile device) to detect the user's location 25 where the mobile terminal 600 (for example, the user's mobile device) is located. .

As mentioned above, the positioning and communication system 200 may include the above-mentioned and various other devices and equipment for achieving positioning functions 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-coupled-element image recognition system, or a combination thereof to detect a user. Position 25, and receives a position signal 212 corresponding to the user position 25 where the user 15 is detected. And, the above is merely 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 positioning process specifically shown according to the above various modified 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. 3 and FIG. 5A together with FIG. 3, according to a fourth modified 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 may be used by the mobile terminal. The identification signal 214 issued by 600 confirms the identity or authority of the user 15. Specifically, in an embodiment, when the mobile terminal 600 is a 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 may issue a predetermined identity or authority 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 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 biometric feature to identify the user 15 through the user mobile device; or may be generated by the user 15 Entered by the user ’s mobile device. For example, the user's mobile device can identify the biometric characteristics of the user 15 such as fingerprints, iris, face, etc. to determine the identity of the user 15 and correspondingly send 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 enter a password representing the identity or authority of the user 15, so as to determine the identity or authority of the user 15, and then issue an identification signal corresponding to the identity or authority of the user 15 accordingly. 214. However, in the case where the user 15 has a 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 examples described above.

For example, according to a fifth modified embodiment of the present invention, together with FIG. 3 and FIG. 5B, the identification module 220 of the positioning and communication system 200 may include a directional ultrasonic transceiver, and allow the user to receive the position signal 212 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, the ultrasonic wave The modulation 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, an operation signal 216 (to be further described later) for operating the display unit 100 or the directional speaker 300, or a combination thereof. . Continuing the 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 also be selectively An ultrasonic instruction signal 222 is further sent to the user 15, and the user 15 dictates a voice signal 35 corresponding to the content or inquiry of the ultrasonic instruction signal 222. For example, the ultrasound instruction signal 222 may require the user 15 to answer the identity authority password, and the user 15 therefore answers the identity authority password as the identification signal 214. The voice signal 35 including the identification signal 214 in this answer is loaded on the ultrasonic carrier signal 218 'to generate an echo-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 integrated positioning and identification modules. However, the above is only an example, and those with ordinary knowledge in the technical field should understand that according to different embodiments of the present invention, each system and module described above and below may have some components in common or may Integrated into the same device or device, and the present invention is not limited thereto.

As mentioned above, based on the results of positioning and identifying 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 ultrasonic sound signals 302 to 101 corresponding to the image information 110 accordingly. User location 25. The user 15 located at the user position 25 can accordingly receive the ultrasonic sound signal 302 corresponding to his identity or authority, and the ultrasonic sound signal 302 will self-demodulate 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 of which the image information 110 is an artistic painting and is identified as a native English speaker, the directional speaker 300 may correspondingly send an English commentary to the predetermined location to the predetermined location. Ultrasonic Sound Signal 302. Therefore, visitors in the same exhibition hall can more easily hear the native language explanation of art paintings without interfering with each other without obstructing the perception of the environment without wearing headphones.

As described above, after identifying the identity or authority of the user 15, according to the present invention The interactive directional sound display system and the interactive directional sound display method of the embodiments may further allow the user 15 to control the display unit 100, the directional speaker 300, or a combination thereof. Specifically, an 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 directed 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 a sixth modified embodiment of the present invention, when the user 15 has a mobile terminal 600 and the mobile terminal 600 has a control function, the user 15 can input a desired operation through the mobile terminal 600. In addition, the mobile terminal 600 may send an operation signal 216 to be received by the positioning and communication system 200. Thereby, the control unit 250 can operate the display unit 100, the directional speaker 300, or a combination thereof correspondingly 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 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 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 mentioned above, the ultrasonic modulation communication signal 218" can be generated The voice signal 35 at the user position 25 is generated by loading the ultrasonic carrier signal 218 '. 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, in the voice signal 35 When the operation signal 216 is included, the positioning and communication system 200 can demodulate or analyze the operation signal 216 when it receives 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 an ultrasonic carrier signal 218 'to the user position 25, the directional ultrasonic transceiver can optionally further send an ultrasonic instruction signal 222 to the user 15 and use The person 15 dictates a voice signal 35 corresponding to the content or question of the ultrasonic instruction signal 222. For example, the ultrasonic instruction signal 222 may ask the user 15 what services are needed, and the user 15 therefore answers the operation signal 216 that requires English explanation or needs to fast forward to play the image 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 ultrasonic modulated communication signal 218 ".

For example, according to the above-mentioned various forms or methods of transmitting the operation signal 216, according to some embodiments of the present invention, the control unit 250 may determine the operation on 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 a language type, a volume, a mute, a stereo sound effect, a tone color, a voice gender, or a length of a 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 identity or authority of the operation signal 216 and the user 15. The operations may include turntable, screen switching, fast forward and backward, slow playback, open, close, freeze, etc., and the present invention is not limited to the examples specifically stated herein.

It should be noted that the implementation aspects of the interactive processes of display, positioning, identification, playback, operation, etc. described above with reference to the embodiments can be combined and used 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 using a natural light object sensing tracker, and then send an ultrasonic carrier signal 218 'with a directional ultrasonic transceiver. Then receive the ultrasonic modulation communication signal 218 "to identify the user 15 and confirm the instructions of the user 15, and finally, a directional sound (for example, an ultrasonic sound signal 302) is played 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 an ultrasonic carrier signal 218 'with the directional ultrasonic transceiver. 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.

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 by the mobile terminal 600, and then receive the operation signal 216 from the mobile terminal 600. After confirming the instruction of the user 15, a directional sound (for example, an ultrasonic sound signal 302) is played 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 may first locate the user 15 by positioning and communicating the system 200 with an ultrasonic scanning signal 212 ′, and then send it with a directional ultrasonic transceiver. The ultrasonic carrier signal 218 'then receives the ultrasonic modulation communication signal 218 "to identify the user 15 and confirm the user 15's instructions. Finally, the directional speaker 300 plays a directional sound (for example, an ultrasonic sound signal 302) to the user 15 In addition, 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 a shared or independent ultrasonic microphone or an ultrasonic microphone array.

As described above, according to different embodiments of the present invention, the mutual dynamic patterns and application forms of the directional loudspeaker device can be further improved and strengthened, and therefore can be applied to a wider range of occasions for interaction and playback. For example, the interactive directional sound according to the different embodiments described above The sound display system and the interactive directional sound display method can be applied to various exhibition areas of museums or art galleries, and then use directional sound waves to create different situations or different speech interpretations for different visitors without interference or interference. Alternatively, the interactive directional sound display system and the interactive directional sound display method according to the above-mentioned different embodiments can be applied to a specific area of a specialty store or a supermarket for product introduction, thereby further attracting customers without causing Troubled by 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 display windows, exhibition boards, advertising light boxes, etc. for directional broadcast notices, so as not to interfere with each other. Noisy and chaotic. Therefore, the interactive directional sound display system and the interactive directional sound display method according to the embodiments of the present invention can be further popularized in more situations where audio needs to be heard and mutual interference or interference needs to be avoided, thereby improving user listening. Convenience and comfort in audio.

What has been described above 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 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 application patents, and that all possible substitutions, combinations, modifications, and diversions are within the scope of the present invention within the meaning of the present invention. The scope defined by the scope of the attached patent application.

Claims (19)

An interactive directional sound display system for receiving instructions from a user located at a user position for operation. The interactive directional sound display system includes: a display unit that displays an image information; 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, propagates toward the user's location based on the user's identity or authority An ultrasonic sound signal corresponding to the image information and the identity or authority of the user, and the ultrasonic sound signal is self-demodulated into audio for the user to listen to. 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 an ultrasonic scanning signal to scan and detect the position of the user, and receives the ultrasonic scanning signal that touches the user and reflects the reflected signal. 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 transmitting the position signal, wherein the positioning and communication system receives the position signal to detect the position where the user mobile device is located. User location. The interactive directional sound display system as described in claim 5, wherein the positioning and communication system confirms the identity or authority of the user by the identification signal sent by the user's mobile device, and the identification signal is through the use The user ’s mobile device uses biometrics to identify the user or is generated by the user ’s input to the user ’s mobile device. The interactive directional sound display system according to claim 5, wherein the user sends the operation signal through the user's mobile device to control the directional speaker to play the expected ultrasonic sound signal or the display unit to display The image information is expected. 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 position of the user is detected An ultrasonic carrier signal arrives at the user's position, and then receives an ultrasonic modulation communication signal from the user's position, wherein the ultrasonic modulation communication signal is a voice signal generated by loading the user's position on the ultrasonic carrier. Signal generation. 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, This operation involves adjusting the language category, volume, mute, stereo sound, tone color, 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 play, open, close, freeze. The interactive directional sound display system as described in claim 8, wherein the directional ultrasonic transceiver further sends an ultrasonic instruction signal to the user, and the user dictates the response according to the content or inquiry of the ultrasonic instruction 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 operates according to an instruction received from a user located at a user position. The interactive directional sound display method includes: displaying a video information by a display unit: by a The positioning and communication system receives a position signal to confirm the user's location; the positioning and communication system receives an identification signal to identify the user's identity or authority; and a directivity based on the user's identity or authority The speaker transmits an ultrasonic sound signal corresponding to the image information and the identity or authority of the user toward the position of the user, and the ultrasonic sound signal is self-demodulated into audio for the user to listen to. According to the interactive directional sound display method described in claim 13, after identifying the identity or authority of the user, the interactive directional sound display method further includes receiving the image information or the information through the positioning and communication system. The ultrasonic sound signal corresponds to an operation signal, and a control unit is used to correspond to the directional speaker, the display unit, or a combination of the display unit and the directional speaker according to the identity or authority of the user and the operation signal. One operation. According to the interactive directional sound display method described in claim 14, receiving the position signal to confirm that the user 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 is reflected to scan and detect the user position. The interactive directional sound display method according to claim 14, wherein receiving the position signal to confirm that the user 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. According to the interactive directional sound display method according to any one of claims 14 to 16, after receiving the position signal and confirming the position of the user, 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 position, and then receives an ultrasonic modulation communication signal from the user position, wherein the ultrasonic modulation communication signal is one of the positions to be generated at the user The voice signal is generated by loading the ultrasonic carrier signal. The interactive directional sound display method according to claim 17, wherein before the directional ultrasonic transceiver sends the ultrasonic carrier signal to the user position, the interactive directional sound display method further includes using the directivity The ultrasonic transceiver sends an ultrasonic instruction signal to the user, wherein the user dictates the voice signal according to the content or inquiry of the ultrasonic instruction 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.