CN111065034B - Multifunctional sound amplifying system based on scene recognition - Google Patents
Multifunctional sound amplifying system based on scene recognition Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The invention relates to the technical field of public address systems, in particular to a multifunctional public address system based on scene recognition, which further comprises a volume adjusting subsystem, wherein the volume adjusting subsystem is used for acquiring the signal intensity of a mobile terminal accessed to the same positioning terminal, dividing a plurality of sub-regions according to the signal intensity and counting the distribution quantity of the mobile terminals in different sub-regions; and the method is also used for sequentially judging the sub-areas from weak to strong according to the signal intensity, and when the distribution quantity a of a certain sub-area A is greater than a first threshold value, generating the volume amplification volume according to the sub-area A and stopping the judgment. This scheme of adoption can adjust public address equipment's volume size according to visitor's distribution condition.
Description
Technical Field
The invention relates to the technical field of sound amplifying systems, in particular to a multifunctional sound amplifying system based on scene recognition.
Background
With the development of society, the quality of life of people is improving, and under the condition of meeting the needs of daily life, ways of enriching the mental world are searched. Just as ancient languages say that reading ten thousand books is not as good as running a trillions, thus going out becomes a way for modern people to gain insight and enrich life. Meanwhile, due to the development of science and technology and the convenience of transportation, the travel of people is not limited to the domestic, but gradually develops to the foreign countries, so that the landform and the style of different countries are experienced. However, because the languages of the provinces and the countries are different, communication becomes a barrier in the travel process, and under the condition that the local area is unknown, the scenic spots are not known to be suitable for visiting, and the route of visiting is planned. As a result, travel agencies have come to emerge, and tour guides are also an indispensable part of the travel industry. By establishing a travel group, 1 to 2 tourists guiding different numbers of tourists to visit, and communication, scenic spot selection and route planning can be all taken charge of by the tour guide.
In the existing tourism visiting process, in order to facilitate a tourist to know scenic spots without influencing other visions, especially when visiting indoors, a tourist usually can provide a special earphone for the tourist to use, and the tourist can hear the explanation of the tourist by wearing the earphone. However, such a dedicated earphone requires a travel guide device, etc., which is high in cost, and is easily lost if the dedicated earphone is a wireless earphone, and is inconvenient for the elderly or children to wear if the dedicated earphone is a headphone with a hanging ear, and in addition, communication between visitors is affected by using the earphone, so that it is not popularized in travel agencies, and a travel guide still employs a public address device to explain scenic spots, but there are the following problems: the sound volume of public address equipment is fixed, and the visitor distributes everywhere sometimes, and sometimes will be close to the guide, and when the sound volume was fixed, the visitor can feel the volume too big near the guide, makes visitor's hearing receive the interference, and the visitor distributes and can feel the volume too little when the remote position, can't hear the explanation of guide clearly.
Disclosure of Invention
The invention aims to provide a multifunctional sound amplifying system based on scene recognition, which can adjust the volume of sound amplifying equipment according to the distribution condition of tourists.
The present invention provides a basic scheme: the multifunctional sound amplifying system based on scene recognition also comprises a volume adjusting subsystem, wherein the volume adjusting subsystem is used for acquiring the signal intensity of the mobile terminal accessed to the same positioning terminal, dividing a plurality of sub-regions according to the signal intensity and counting the distribution quantity of the mobile terminals in different sub-regions; and the method is also used for sequentially judging the sub-areas from weak to strong according to the signal intensity, and when the distribution quantity a of a certain sub-area A is greater than a first threshold value, generating the volume amplification volume according to the sub-area A and stopping the judgment.
The basic scheme has the following working principle and beneficial effects: the signal intensity corresponding to the mobile terminal close to the positioning terminal is obviously stronger, the signal intensity corresponding to the mobile terminal far from the positioning terminal is obviously weaker, and the subareas are divided according to the signal intensity, namely, the subareas are divided according to the distance between the mobile terminal and the positioning terminal. Counting the distribution quantity of the mobile terminals in different sub-areas, definitely obtaining the approximate distribution condition of the mobile terminals according to the distribution quantity, judging the positions of most tourists according to the distribution condition, and determining the volume expansion amount of the public address equipment according to the position of the tourist set.
In order to satisfy the requirement that a remote tourist can still clearly hear the explanation of the tour guide, when the tourist is judged to be at a centralized position, the judgment is carried out from the farthest distance away from the tour guide. For a small number of more distant guests, which may be for other reasons, the distance is greater, e.g., words that are somewhat private to two guests need to communicate, and thus are further from the tour guide. Neglecting the part of tourists, judging the tourists in the sub-area in sequence from weak to strong according to the signal intensity, so that when the distribution number of a certain sub-area is larger than a first threshold value, the situation that the number of the tourists in the sub-area is larger is shown, defining the sub-area as a sub-area A, and acquiring corresponding public address according to the sub-area A, namely the larger the distance between the sub-area and the positioning terminal is, the larger the public address is, so that the volume of the public address equipment is adjusted according to the distribution situation of the tourists.
Furthermore, the volume adjustment subsystem comprises a number counting module, wherein the number counting module is used for dividing a plurality of sub-areas according to the signal intensity of the mobile terminal, acquiring the signal intensity of the mobile terminal accessed to the same positioning terminal, judging the sub-area to which the mobile terminal belongs according to the signal intensity, and counting the distribution number of the mobile terminals in different sub-areas after the judgment is finished. Has the advantages that: the mobile terminal is divided according to the signal intensity, so that the distance between the positioning terminal and the mobile terminal is divided according to the gradient, the distribution condition of the tourists is further determined, and the volume of the public address equipment can be conveniently adjusted according to the distribution condition of the tourists.
And further, the volume adjusting subsystem is also used for acquiring the interactive data volume of the positioning terminal, judging the interactive data volume in real time, acquiring the adjustment volume when the interactive data volume is greater than a second threshold value, and adjusting the amplification volume according to the adjustment volume. Has the advantages that: the interactive data volume of all the tourists is obtained through the positioning terminal, so that whether the tourists play the mobile phone or listen to the introduction of the tour guide is judged, and when most of the tourists play the mobile phone, the public address volume is adjusted through the adjustment volume. For example, when a teacher visits a science and technology museum, in order to focus the students on the explanation of the teacher, when most students play mobile phones, the volume amplification is increased to attract the attention of the students.
Furthermore, the volume adjustment subsystem comprises a traffic statistic module, wherein the traffic statistic module is used for counting data traffic used by mobile terminals accessing the same positioning terminal, and taking a statistic result as the interactive data volume of the positioning terminal. Has the advantages that: the positioning terminal can serve as a router, and when the tourist travels abroad, the tourist can conveniently surf the internet by using data flow, the experience feeling of the tourist is improved, and meanwhile, the positioning terminal can also serve as a judgment condition for adjusting the volume expansion volume.
Further, the volume adjusting subsystem comprises a state marking module and a volume adjusting module, wherein the state marking module is used for judging whether an adjusting mark exists or not when the interactive data volume is larger than a second threshold value, if not, generating the adjusting mark, generating a volume adjusting signal and sending the volume adjusting signal to the volume adjusting module; the state marking module is further used for judging whether an adjusting mark exists or not when the interactive data volume is not larger than a second threshold value, deleting the adjusting mark if the adjusting mark exists, generating a volume recovery signal and sending the volume recovery signal to the volume adjusting module; the volume adjusting module is used for acquiring the volume amplified by the adjusting quantity when receiving the volume adjusting signal; and when receiving the volume recovery signal, acquiring the adjustment quantity to recover the volume amplification. Has the advantages that: under normal conditions, the volume of the public address equipment is the public address volume, and no adjusting mark exists at the moment; when more tourists play mobile phones and the like, the volume of the public address equipment is the public address volume increased according to the adjustment volume, and an adjustment mark exists at the moment; when the tourist changes from the mobile phone playing state to the touring state, the volume of the public address equipment is recovered to the public address volume, and no adjusting mark exists at the moment. Whether the volume amplification device increases the volume amplification volume or not is judged through the adjusting mark, so that the situation that the volume amplification volume is increased for multiple times to cause overlarge volume of final public address equipment is avoided.
The system further comprises a mode switching subsystem, wherein the mode switching subsystem is used for acquiring background noise, generating a scene identifier according to the background noise and acquiring a volume adjustment rule according to the scene identifier; and the volume adjusting subsystem is used for generating volume amplification according to the volume adjusting rule and the subarea A. Has the advantages that: and identifying the current position according to the background noise, generating a scene identifier, and acquiring a volume adjustment rule according to the scene identifier so as to determine the final volume expansion. When the position of the tour guide is outdoor, the corresponding volume needs to be increased, and when the position of the tour guide is indoor, the corresponding volume needs to be decreased. And the sound volume adjusting rules are different when the sound volume adjusting device is positioned in different scenes, so that the finally obtained sound amplification volume meets the requirements of the current scene.
Further, the mode switching subsystem comprises a scene identification module and a rule acquisition module, the scene identification comprises an indoor identification and an outdoor identification, and the volume adjustment rule comprises a common volume adjustment rule and an enhanced volume adjustment rule; the scene identification module is used for generating a scene identification according to background noise, and the rule acquisition module is used for acquiring a common volume adjustment rule when the scene identification is an indoor identification and acquiring an enhanced volume adjustment rule when the scene identification is an outdoor identification. Has the advantages that: the conventional scenes of the tour guide are indoor and outdoor generally, and when the identified scene is indoor, the corresponding scene identifier is an indoor identifier, so that a common volume adjustment rule is obtained; when the identified scene is outdoor, the corresponding scene identification is outdoor identification, so that the enhanced volume regulation rule is obtained, different volume regulation rules are obtained according to different scenes, and the amplification volume of the amplification equipment is generated in a targeted manner.
The system further comprises a departure reminding subsystem, wherein the number of the teams is preset in the departure reminding subsystem, the departure reminding subsystem is used for counting the distribution number of each sub-area, judging the counting result and the number of the teams, and generating a departure early warning signal when the counting result is smaller than the number of the teams. Has the advantages that: because the number of tourist guides in the same tourist group is small, and the number of tourists is large, the situation that the tourists are separated from the tourist group can occur. When traveling in China, if the tourist leaves the tourist group, the tourist can contact the tourist through a telephone or the like, and can inquire people around the tourist group, so that the problems are not serious. However, when tourists travel abroad and leave the tourist group, part of the tourists do not deal with international roaming services, and almost no way is available to contact the tourist guide in a telephone manner, and meanwhile, communication barriers exist abroad and cannot inquire other people, so that the contact between the tourists and the tourist group is lost, and even accidents are caused. The team quantity is visitor's quantity, consequently reminds the subsystem to make statistics of mobile terminal's quantity through leaving the team to judge statistical result and visitor's quantity, when statistical result is less than team quantity, it is far away apart from the tour guide to represent promptly, generates the early warning signal of leaving the team this moment and reminds the tour guide to notice the visitor's condition.
Furthermore, the departure warning subsystem further comprises a delay module, wherein the delay module is used for delaying according to preset duration when the departure warning signal is generated, counting the distribution quantity of each sub-area again when the delay is finished, and generating the departure warning signal when the counting result is still smaller than the quantity of the team. Has the advantages that: through the time delay module, the statistical result and the number of the teams are judged again, so that the misjudgment condition is reduced, and the panic of the tourists is avoided.
Furthermore, the departure reminding subsystem further comprises a reminding module and a display module, wherein the reminding module is used for acquiring reminding information when the delay module generates a departure reminding signal, and the display module is used for displaying the reminding information. Has the advantages that: the reminding module generates reminding information and the display module displays the reminding information so as to remind the tourist guide to pay attention to the situation of the tourist.
Drawings
FIG. 1 is a logic block diagram of a first embodiment of a multifunctional audio amplifying system based on scene recognition according to the present invention;
fig. 2 is a logic block diagram of a third embodiment of the multifunctional sound amplifying system based on scene recognition.
Detailed Description
The following is further detailed by way of specific embodiments:
example one
In the present embodiment, for convenience of explanation, a tour guide in a tourist group and a tourist who travels abroad will be exemplified. As shown in fig. 1, the multifunctional sound amplifying system based on scene recognition includes a positioning terminal and a plurality of mobile terminals, where the positioning terminal is used for guiding a tour, and the mobile terminals are used for tourists, and in this embodiment, the mobile terminals are mobile phones. The mobile terminal is in signal connection with the positioning terminal, and when the distance between the mobile terminal and the positioning terminal is small, the corresponding signal intensity is strong; when the distance between the mobile terminal and the positioning terminal is larger, the corresponding signal strength is weaker. In this embodiment, for convenience of description, an effective distance between the positioning terminal and the mobile terminal is defined as 10 meters, that is, when the distance between the mobile terminal and the positioning terminal is within 10 meters, the mobile terminal and the positioning terminal are in a connected state, and when the distance between the mobile terminal and the positioning terminal exceeds 10 meters, the mobile terminal and the positioning terminal are disconnected. Defining the signal strength as strong, medium and weak gradients, and defining the signal strength as strong when the distance between the mobile terminal and the positioning terminal is within 3 meters; when the distance between the mobile terminal and the positioning terminal is within 3-6 meters, the signal intensity is defined as middle; when the distance between the mobile terminal and the positioning terminal is within 6 meters to 10 meters, the signal strength is defined as weak.
The positioning terminal comprises a storage subsystem, a volume adjusting subsystem and a playing subsystem.
And the storage subsystem is used for storing the first threshold, the second threshold, the volume adjusting rule and the volume adjusting amount. The volume regulation rule records the comparison relationship between the signal intensity and the amplification volume, and the weaker the signal intensity, the larger the amplification volume, namely, the larger the volume.
A volume adjustment subsystem comprising:
and the quantity counting module is used for dividing a plurality of sub-areas according to the signal intensity of the mobile terminal, acquiring the signal intensity of the mobile terminal accessed to the same positioning terminal, judging the sub-area to which the mobile terminal belongs according to the signal intensity, and counting the distribution quantity of the mobile terminals in different sub-areas after the judgment is finished. In this embodiment, the distribution number of the mobile terminals connected to the positioning terminal in the sub-areas with strong, medium, and weak signal strengths is finally counted.
And the volume acquisition module is used for sequentially judging the sub-regions from weak to strong according to the signal intensity, stopping judging when the distribution quantity a of a certain sub-region A is greater than a first threshold value, acquiring a volume adjustment rule from the storage subsystem, and screening the volume expansion from the volume adjustment rule according to the sub-region A. In this embodiment, the first threshold is 6, that is, the sub-region with the weakest signal intensity is used for determining, and when the distribution number of a certain sub-region is greater than 6, the corresponding amplification amount is screened out according to the signal intensity of the sub-region.
And the overseas WIFI module is used for enabling the mobile terminals to use the data traffic and recording the data traffic used by each mobile terminal.
And the flow counting module is used for counting the data flow used by all the mobile terminals and taking the counting result as the interactive data volume of the positioning terminal.
The state marking module is used for judging the interactive data volume in real time, judging whether an adjusting mark exists or not when the interactive data volume is larger than a second threshold value, if not, generating and recording the adjusting mark, generating a volume adjusting signal and sending the volume adjusting signal to the volume adjusting module, and if so, continuously judging the interactive data volume; and the volume adjusting module is also used for judging whether the adjusting mark exists or not when the interactive data volume is not larger than the second threshold value, deleting the adjusting mark if the adjusting mark exists, generating a volume recovery signal and sending the volume recovery signal to the volume adjusting module, and continuing to judge the interactive data volume if the adjusting mark does not exist.
The volume adjusting module is used for acquiring the adjustment quantity from the storage subsystem and amplifying the volume according to the adjustment quantity when receiving the volume adjusting signal; and when receiving the volume recovery signal, recovering the volume amplification according to the adjustment amount.
And the playing subsystem is used for adjusting the volume of the input voice according to the amplification volume, and the larger the amplification volume is, the larger the volume of the played voice is.
Example two
The difference between the present embodiment and the first embodiment is: the positioning terminal further comprises a mode switching subsystem.
The volume adjustment rules stored in the storage subsystem include a normal volume adjustment rule and an enhanced volume adjustment rule, and the enhanced volume adjustment rule has a larger volume than the normal volume adjustment rule, for example, when the sub-area a is a sub-area with weak signal intensity, if the amplification volume obtained according to the normal volume adjustment rule is 30 db, the amplification volume obtained according to the enhanced volume adjustment rule is thirty percent of the 30 db, that is, 39 db.
A mode switching subsystem comprising:
and the scene recognition module is used for acquiring background noise and generating a scene identifier according to the background noise. The scene identification comprises an indoor identification and an outdoor identification. Scene recognition according to background noise belongs to the prior art, and therefore is not described in detail.
And the rule acquisition module is used for acquiring the common volume adjustment rule from the storage subsystem when the scene identifier is an indoor identifier, acquiring the enhanced volume adjustment rule from the storage subsystem when the scene identifier is an outdoor identifier, and sending the common volume adjustment rule or the enhanced volume adjustment rule to the volume acquisition module. The volume obtaining module is used for screening the volume expansion volume from the common volume regulation rule or the enhanced volume regulation rule according to the sub-area A.
EXAMPLE III
The present embodiment is different from the second embodiment in that: as shown in fig. 2, the positioning terminal further includes a departure reminding subsystem.
The storage subsystem is used for storing preset duration and reminding information, and in the embodiment, the reminding information is as follows: visitors leave the team in the team and please check the visitor in time.
The subsystem is reminded to leave the team, includes:
and the terminal counting module is used for counting the distribution quantity of each subregion, acquiring the number of the teams from the storage subsystem, judging the counting result and the number of the teams, generating an off-team early warning signal when the counting result is smaller than the number of the teams, and continuing to judge otherwise.
The delay module is preset with a preset time duration, and in this embodiment, the preset time duration is 1 minute. The delay module is used for delaying according to preset time when the terminal counting module generates the off-team early warning signal, counting the distribution quantity of each subarea again when the delay is finished, and generating an off-team reminding signal when the counting result is still smaller than the team quantity.
And the reminding module is used for acquiring reminding information from the storage subsystem when the delay module generates the dequeue reminding signal.
And the display module is used for displaying the reminding information for the tour guide to check.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Multi-functional public address system based on scene identification, its characterized in that: the system comprises a volume adjusting subsystem, a positioning subsystem and a volume adjusting subsystem, wherein the volume adjusting subsystem is used for acquiring the signal intensity of a mobile terminal accessed to the same positioning terminal, dividing a plurality of sub-regions according to the signal intensity and counting the distribution quantity of the mobile terminals in different sub-regions;
the volume adjusting subsystem comprises a number counting module, wherein the number counting module is used for dividing a plurality of sub-areas according to the signal intensity of the mobile terminal, acquiring the signal intensity of the mobile terminal accessed to the same positioning terminal, judging the sub-area to which the mobile terminal belongs according to the signal intensity, and counting the distribution number of the mobile terminals in different sub-areas after the judgment is finished;
and the volume adjusting subsystem is also used for sequentially judging the sub-regions from weak to strong according to the signal intensity, generating volume amplification according to the sub-regions A when the distribution quantity a of a certain sub-region A is greater than a first threshold value, and stopping the judgment.
2. The multi-functional public address system based on scene recognition of claim 1, characterized in that: and the volume adjusting subsystem is also used for acquiring the interactive data volume of the positioning terminal, judging the interactive data volume in real time, acquiring the adjustment volume when the interactive data volume is greater than a second threshold value, and adjusting the amplification volume according to the adjustment volume.
3. The multi-functional public address system based on scene recognition of claim 2, characterized in that: the volume adjusting subsystem comprises a flow counting module, wherein the flow counting module is used for counting data flow used by mobile terminals accessed to the same positioning terminal and taking a counting result as the interactive data volume of the positioning terminal.
4. The multi-functional public address system based on scene recognition of claim 3, characterized in that: the volume adjusting subsystem comprises a state marking module and a volume adjusting module, wherein the state marking module is used for judging whether an adjusting mark exists or not when the interactive data volume is larger than a second threshold value, if the interactive data volume is not larger than the second threshold value, the adjusting mark is generated, a volume adjusting signal is generated and sent to the volume adjusting module; the state marking module is further used for judging whether an adjusting mark exists or not when the interactive data volume is not larger than a second threshold value, deleting the adjusting mark if the adjusting mark exists, generating a volume recovery signal and sending the volume recovery signal to the volume adjusting module; the volume adjusting module is used for acquiring the volume amplified by the adjusting quantity when receiving the volume adjusting signal; and when receiving the volume recovery signal, acquiring the adjustment quantity to recover the volume amplification.
5. The multi-functional public address system based on scene recognition of claim 1, characterized in that: the system also comprises a mode switching subsystem, wherein the mode switching subsystem is used for acquiring background noise, generating a scene identifier according to the background noise and acquiring a volume adjustment rule according to the scene identifier; and the volume adjusting subsystem is used for generating corresponding public address volume according to the volume adjusting rule and the sub-area A.
6. The multi-functional public address system based on scene recognition of claim 5, characterized in that: the mode switching subsystem comprises a scene identification module and a rule acquisition module, the scene identification comprises an indoor identification and an outdoor identification, and the volume adjustment rule comprises a common volume adjustment rule and an enhanced volume adjustment rule; the scene identification module is used for generating a scene identification according to background noise, and the rule acquisition module is used for acquiring a common volume adjustment rule when the scene identification is an indoor identification and acquiring an enhanced volume adjustment rule when the scene identification is an outdoor identification.
7. The multi-functional public address system based on scene recognition of claim 1, characterized in that: the system also comprises a departure reminding subsystem, wherein the number of the teams is preset in the departure reminding subsystem, the departure reminding subsystem is used for counting the distribution number of each sub-area, judging the counting result and the number of the teams, and generating a departure early warning signal when the counting result is smaller than the number of the teams.
8. The multi-functional public address system based on scene recognition of claim 7, characterized in that: the departure warning subsystem further comprises a delay module, wherein the delay module is used for delaying according to preset time when the departure warning signal is generated, counting the distribution quantity of each sub-area again when the delay is finished, and generating the departure warning signal when the counting result is still smaller than the quantity of the team.
9. The multi-functional public address system based on scene recognition of claim 8, characterized in that: the departure reminding subsystem further comprises a reminding module and a display module, the reminding module is used for obtaining reminding information when the delay module generates departure reminding signals, and the display module is used for displaying the reminding information.
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| CN113376457B (en) * | 2021-05-10 | 2023-03-24 | 首钢京唐钢铁联合有限责任公司 | Equipment operation state detection method, system, device, equipment and medium |
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