CN113490022A - Outdoor mobile multimedia playing system - Google Patents
Outdoor mobile multimedia playing system Download PDFInfo
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- CN113490022A CN113490022A CN202110554249.7A CN202110554249A CN113490022A CN 113490022 A CN113490022 A CN 113490022A CN 202110554249 A CN202110554249 A CN 202110554249A CN 113490022 A CN113490022 A CN 113490022A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/4222—Remote control device emulator integrated into a non-television apparatus, e.g. a PDA, media center or smart toy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
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Abstract
The invention relates to the technical field of multimedia, in particular to an outdoor mobile multimedia playing system, which comprises a relay module, a configuration component, an interaction component and a control unit, wherein the relay module is used for receiving a multimedia playing request sent by a user; because the mobile multimedia which is most contacted by people in daily use is a smart phone, but the mobile multimedia is used as multimedia playing equipment in an outdoor environment, the mobile multimedia playing equipment needs larger sound and image display effects, reduces the experience of multimedia playing contents and reduces the application effect of the mobile multimedia in an outdoor scene; therefore, the outdoor brightness and the environmental noise are collected through the input device arranged in the interactive assembly, the illuminometer and the microphone, the control unit is matched for self-adaptive adjustment, the audio-visual experience of the mobile multimedia is ensured, meanwhile, the personal terminal accessed to the wireless communication network is used for directly controlling the output device, the convenience of operating the output device in the outdoor environment is enhanced, and the using effect of the outdoor mobile multimedia playing system is improved.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to an outdoor mobile multimedia playing system.
Background
Mobile multimedia is a portable mobile device, which is a fusion of computer and video technologies, and is a medium for performing a man-machine interaction information communication and transmission of two or more media, generally including various media forms such as text, sound and image.
The mobile multimedia which is most contacted by people in daily use is the smart phone, but the smart phone is used as multimedia playing equipment in an outdoor environment, so that the greater sound and image display effect is needed, the experience of multimedia playing content is reduced, the interaction between people is weakened by using the respective smart phones as multimedia playing carriers, the synchronization of audio and video playing is needed to be maintained, and the application effect of the mobile multimedia in an outdoor scene is reduced.
For example, a chinese patent with application number CN201210407314.4 discloses a method for implementing multimedia playing, in which a home terminal sends multimedia stream data to be played to an opposite terminal through a connection established based on a short-distance wireless communication technology; the local terminal and the opposite terminal decode the multimedia stream data to be played, and play the decoded multimedia stream data of the corresponding part according to the respective partial play modes. The invention also discloses a system and a mobile terminal for realizing multimedia playing; the technical scheme can realize that the two mobile terminals respectively play a part of the multimedia picture based on the short-distance wireless communication technology, so that the multimedia playing picture can be clearly amplified and displayed by splicing the screens of the mobile terminals, and a user is helped to quickly solve the problems that the mobile terminal screen is small and is not beneficial to amplifying and displaying the multimedia playing picture; however, the technical scheme does not solve the problem that the experience of playing audio is reduced due to the change of the moving positions among people in the outdoor environment.
In view of this, the present invention provides an outdoor mobile multimedia playing system, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an outdoor mobile multimedia playing system, outdoor brightness and environment background noise are collected through an illuminometer and a microphone through input equipment arranged in an interaction assembly, adaptive adjustment is carried out by matching with a control unit, the audiovisual experience of mobile multimedia is ensured, meanwhile, a personal terminal accessed and built in a wireless communication network directly controls the output equipment, the convenience of operating the output equipment in an outdoor environment is enhanced, and the using effect of the outdoor mobile multimedia playing system is improved.
The invention relates to an outdoor mobile multimedia playing system which comprises a relay module, a configuration component, an interaction component and a control unit, wherein the relay module is used for receiving a multimedia playing request sent by a user; the interactive component is used as a carrier for multimedia playing; the relay module is used for communication connection among the interactive components; the configuration assembly is used for selecting and building different multimedia playing modes and communication connection modes; the control unit is used for transmitting an operation instruction and adjusting the operation among the module units;
the relay module also comprises a wireless relay and an IO panel; the wireless repeater is used for building a wireless communication network in an outdoor environment and keeping the connection synchronism among the mobile multimedia; the port on the IO panel is in wired connection with the interactive component to construct an audio and video multimedia hardware environment with low time delay;
the configuration component comprises a positioning unit and a transmission unit; the positioning unit comprises brackets with different specifications, and the interaction components are arranged at different positions of the outdoor environment through matching installation among the brackets; the transmission unit comprises a signal cable, a multimedia cable and a mobile power pack; the signal cable is connected to the top of the bracket from a communication port of the IO panel and is used for gaining signals of the wireless repeater; the multimedia cable is used as a wired connection mode of the interactive component; the mobile power pack is used for supplying electric energy for operating the wireless repeater and the interaction component;
the interactive component comprises output equipment and input equipment, wherein the output equipment is used for playing audio and video contents; the input equipment comprises an illuminometer and a microphone and is used for sensing outdoor brightness and environmental background noise parameters, transmitting data information of the outdoor brightness and the environmental background noise parameters to the control unit and adaptively adjusting the running state of the output equipment; the control unit is also directly regulated by a personal terminal accessed to the wireless communication network to the output equipment; the personal terminal comprises a smart phone;
in the prior art, the mobile multimedia which is most contacted by people in daily use is a smart phone, but the mobile multimedia is used as multimedia playing equipment in an outdoor environment, so that a larger sound and image display effect is required, the experience of multimedia playing content is reduced, and the respective smart phones are used as multimedia playing carriers, so that the interactivity between people is weakened, the synchronization of audio and video playing is required to be maintained, and the application effect of the mobile multimedia in an outdoor scene is reduced;
therefore, the invention establishes a local wireless communication network in an outdoor environment by the arranged interaction assembly and the relay module, conveniently lays the hardware for multimedia playing, performs wired connection by the multimedia cable in the configuration assembly under the low time delay environment required by using a large number of multimedia terminals, simultaneously utilizes the signal cable to reduce the wireless transmission distance between the wireless relays so as to maintain the stability of the wireless communication network, establishes the power amplifier sound and the display screen contained in the output equipment at the required positions according to the bracket of the positioning unit in the configuration assembly, establishes a stereo surrounding sound source and a video source with a larger visual range, enhances the playing effect of the mobile multimedia, and simultaneously updates the position information of the personal terminal by the wireless communication network established by the control unit through the wireless relays after the personnel in the outdoor environment walk, the running states of output equipment at different positions in an outdoor environment are adjusted, and a mobile power pack in the configuration assembly can provide independent power supplies for a large number of output equipment in a wireless communication network environment, so that interference caused by connection of a large number of power lines is avoided; according to the invention, the input equipment arranged in the interactive assembly is utilized, outdoor brightness and environment noise are collected through the illuminometer and the microphone, adaptive adjustment is carried out by matching with the control unit, the audio-visual experience of the mobile multimedia is ensured, meanwhile, the personal terminal accessed and built in the wireless communication network directly controls the output equipment, the convenience of operating the output equipment in an outdoor environment is enhanced, and thus the use effect of the outdoor mobile multimedia playing system is improved.
Preferably, the control unit further performs azimuth identification on a personal terminal accessed to the wireless communication network, the control unit also marks the erection position of the output device in the outdoor environment, and the control unit calculates the position relationship between the personal terminal and the output device and balances the adjustment difference between the output devices by different personal terminals; under outdoor environment state, the position difference between individuals can cause the difference of seeing and hearing impression, make also different to output device's regulating parameter, discern the position that output device and personal terminal are located through the control unit, then through its built-in procedure, send the parameter that needs regulating output device between the different positions and carry out the weighted calculation, finally feed back the size of the screen brightness and the volume of output device actual regulation, the reinforcing is built the adaptability of multi-media, thereby outdoor removal multimedia playing system's result of use has been promoted.
Preferably, the control unit further reads the setting of the personal terminal device connected in communication, takes the brightness and volume parameters set by the personal terminal device as initial parameters for adjusting the output device, and makes an adjustment suggestion on the layout position of the output device; the brightness and the volume of the personal terminal are read in advance through the control unit, the modifier for readjustment on the personal terminal is reduced, meanwhile, position suggestion is carried out on the arranged output equipment, the audio-visual experience of the multimedia formed by the output equipment under the outdoor environment when the multimedia is used in the corresponding position of the personal terminal is enhanced, and therefore the using effect of the outdoor mobile multimedia playing system is improved.
Preferably, the control unit further reads the microphone sound of the personal terminal, performs fuzzy processing on the sound source, and records the person communication volume therein and the person communication volume detected by the microphone in the input device; a trigger value of personnel communication volume is preset in the control unit to control the volume of the output equipment to carry out adaptive adjustment; the microphone of different positions monitors personnel's volume of exchanging through the control unit cooperation input device, reduces output device's volume in the corresponding region according to the position of microphone, reduces the interference to personnel's pronunciation and exchange, and when detecting personnel's pronunciation sound and reduce the back, the audio frequency volume of recovering output device provides the seeing and hearing of differentiation for the user under the outdoor environment and experiences, satisfies the user demand under the different environment to outdoor removal multimedia playing system's result of use has been promoted.
Preferably, the control unit further sends a synchronization application to the personal terminal, and uses the sound module of the personal terminal as an auxiliary sound source to enable the audio of the personal terminal and the audio of the output device to be played synchronously; the audio information of the equipment is synchronously output to the personal terminal accessed to the wireless communication network through the control unit, and the earphone of the personal terminal is matched and communicated, so that the interference of non-multimedia volume in the outdoor environment is reduced, meanwhile, after the volume of the output equipment is reduced due to the fact that a part of personnel exchange speaking sound at corresponding positions, the other part of personnel can receive the audio which is normal to the multimedia by wearing the earphone, the communication speaking among the other part of personnel in the outdoor environment is not influenced, the audio-visual experience of the other part of personnel is also kept, and therefore the using effect of the outdoor mobile multimedia playing system is improved.
Preferably, the control unit further records the position change process of the personal terminal and simultaneously changes the running states of output equipment arranged at different positions in the outdoor environment; when using multimedia playing in outdoor environment, there is the walking interchange between personnel, this moment through the personal terminal who hand-carries with the position information feedback to the control unit in, then along with the change of personnel's real-time distribution position under the outdoor environment, adjust the audio output among the output device in real time, make in the multimedia environment scope of outdoor erection, personnel's individual removal can obtain stable audio frequency and experience, and carried out frequency conversion regulation to output device's operating power, output device's duration under the wireless connection state has been strengthened, thereby outdoor removal multimedia playing system's result of use has been promoted.
The invention has the following beneficial effects:
1. according to the invention, through the input equipment arranged in the interactive assembly, outdoor brightness and environment background noise are collected through the illuminometer and the microphone, and adaptive adjustment is carried out by matching with the control unit, so that the audio-visual experience of the mobile multimedia is ensured, meanwhile, the personal terminal accessed to and built in the wireless communication network directly controls the output equipment, the convenience of operating the output equipment in an outdoor environment is enhanced, and thus the use effect of the outdoor mobile multimedia playing system is improved.
2. According to the invention, the positions of the output equipment and the personal terminal are identified through the control unit, then the parameters of the output equipment to be regulated sent out from different positions are weighted and calculated through the built-in program, and finally the brightness and volume of the visual screen actually regulated by the output equipment are fed back, so that the adaptability of building multimedia is enhanced.
3. According to the invention, the audio output in the output equipment is adjusted in real time through the control unit, so that the individual movement of personnel can obtain stable audio experience in the multimedia environment range erected outdoors, the operating power of the output equipment is subjected to variable frequency adjustment, and the endurance time of the output equipment in a wireless connection state is enhanced.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a block diagram of an outdoor mobile multimedia playing system according to the present invention;
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the outdoor mobile multimedia playing system according to the present invention includes a relay module, a configuration component, an interaction component and a control unit; the interactive component is used as a carrier for multimedia playing; the relay module is used for communication connection among the interactive components; the configuration assembly is used for selecting and building different multimedia playing modes and communication connection modes; the control unit is used for transmitting an operation instruction and adjusting the operation among the module units;
the relay module also comprises a wireless relay and an IO panel; the wireless repeater is used for building a wireless communication network in an outdoor environment and keeping the connection synchronism among the mobile multimedia; the port on the IO panel is in wired connection with the interactive component to construct an audio and video multimedia hardware environment with low time delay;
the configuration component comprises a positioning unit and a transmission unit; the positioning unit comprises brackets with different specifications, and the interaction components are arranged at different positions of the outdoor environment through matching installation among the brackets; the transmission unit comprises a signal cable, a multimedia cable and a mobile power pack; the signal cable is connected to the top of the bracket from a communication port of the IO panel and is used for gaining signals of the wireless repeater; the multimedia cable is used as a wired connection mode of the interactive component; the mobile power pack is used for supplying electric energy for operating the wireless repeater and the interaction component;
the interactive component comprises output equipment and input equipment, wherein the output equipment is used for playing audio and video contents; the input equipment comprises an illuminometer and a microphone and is used for sensing outdoor brightness and environmental background noise parameters, transmitting data information of the outdoor brightness and the environmental background noise parameters to the control unit and adaptively adjusting the running state of the output equipment; the control unit is also directly regulated by a personal terminal accessed to the wireless communication network to the output equipment; the personal terminal comprises a smart phone;
in the prior art, the mobile multimedia which is most contacted by people in daily use is a smart phone, but the mobile multimedia is used as multimedia playing equipment in an outdoor environment, so that a larger sound and image display effect is required, the experience of multimedia playing content is reduced, and the respective smart phones are used as multimedia playing carriers, so that the interactivity between people is weakened, the synchronization of audio and video playing is required to be maintained, and the application effect of the mobile multimedia in an outdoor scene is reduced;
therefore, the invention establishes a local wireless communication network in an outdoor environment by the arranged interaction assembly and the relay module, conveniently lays the hardware for multimedia playing, performs wired connection by the multimedia cable in the configuration assembly under the low time delay environment required by using a large number of multimedia terminals, simultaneously utilizes the signal cable to reduce the wireless transmission distance between the wireless relays so as to maintain the stability of the wireless communication network, establishes the power amplifier sound and the display screen contained in the output equipment at the required positions according to the bracket of the positioning unit in the configuration assembly, establishes a stereo surrounding sound source and a video source with a larger visual range, enhances the playing effect of the mobile multimedia, and simultaneously updates the position information of the personal terminal by the wireless communication network established by the control unit through the wireless relays after the personnel in the outdoor environment walk, the running states of output equipment at different positions in an outdoor environment are adjusted, and a mobile power pack in the configuration assembly can provide independent power supplies for a large number of output equipment in a wireless communication network environment, so that interference caused by connection of a large number of power lines is avoided; according to the invention, the input equipment arranged in the interactive assembly is utilized, outdoor brightness and environment noise are collected through the illuminometer and the microphone, adaptive adjustment is carried out by matching with the control unit, the audio-visual experience of the mobile multimedia is ensured, meanwhile, the personal terminal accessed and built in the wireless communication network directly controls the output equipment, the convenience of operating the output equipment in an outdoor environment is enhanced, and thus the use effect of the outdoor mobile multimedia playing system is improved.
As an embodiment of the present invention, the control unit further performs orientation identification on a personal terminal accessing to the wireless communication network, the control unit also marks an erection position of the output device in an outdoor environment, and the control unit balances adjustment differences between the output devices by different personal terminals by calculating a position relationship between the personal terminal and the output device; under outdoor environment state, the position difference between individuals can cause the difference of seeing and hearing impression, make also different to output device's regulating parameter, discern the position that output device and personal terminal are located through the control unit, then through its built-in procedure, send the parameter that needs regulating output device between the different positions and carry out the weighted calculation, finally feed back the size of the screen brightness and the volume of output device actual regulation, the reinforcing is built the adaptability of multi-media, thereby outdoor removal multimedia playing system's result of use has been promoted.
As an embodiment of the present invention, the control unit further reads the settings of the personal terminal device connected in communication, uses the brightness and volume parameters set by the personal terminal device as initial parameters for adjusting the output device, and makes an adjustment suggestion on the layout position of the output device; the brightness and the volume of the personal terminal are read in advance through the control unit, the modifier for readjustment on the personal terminal is reduced, meanwhile, position suggestion is carried out on the arranged output equipment, the audio-visual experience of the multimedia formed by the output equipment under the outdoor environment when the multimedia is used in the corresponding position of the personal terminal is enhanced, and therefore the using effect of the outdoor mobile multimedia playing system is improved.
As an embodiment of the present invention, the control unit further reads a microphone sound of the personal terminal, performs a fuzzy processing on the sound source, and records a person communication volume therein and a person communication volume detected by the microphone in the input device; a trigger value of personnel communication volume is preset in the control unit to control the volume of the output equipment to carry out adaptive adjustment; the microphone of different positions monitors personnel's volume of exchanging through the control unit cooperation input device, reduces output device's volume in the corresponding region according to the position of microphone, reduces the interference to personnel's pronunciation and exchange, and when detecting personnel's pronunciation sound and reduce the back, the audio frequency volume of recovering output device provides the seeing and hearing of differentiation for the user under the outdoor environment and experiences, satisfies the user demand under the different environment to outdoor removal multimedia playing system's result of use has been promoted.
As an embodiment of the present invention, the control unit further issues a synchronization application to the personal terminal, and uses the sound module of the personal terminal as an auxiliary sound source to enable the audio of the personal terminal and the audio of the output device to be played synchronously; the audio information of the equipment is synchronously output to the personal terminal accessed to the wireless communication network through the control unit, and the earphone of the personal terminal is matched and communicated, so that the interference of non-multimedia volume in the outdoor environment is reduced, meanwhile, after the volume of the output equipment is reduced due to the fact that a part of personnel exchange speaking sound at corresponding positions, the other part of personnel can receive the audio which is normal to the multimedia by wearing the earphone, the communication speaking among the other part of personnel in the outdoor environment is not influenced, the audio-visual experience of the other part of personnel is also kept, and therefore the using effect of the outdoor mobile multimedia playing system is improved.
As an embodiment of the present invention, the control unit further records a position change process of the personal terminal, and simultaneously changes operation states of output devices arranged at different positions in the outdoor environment; when using multimedia playing in outdoor environment, there is the walking interchange between personnel, this moment through the personal terminal who hand-carries with the position information feedback to the control unit in, then along with the change of personnel's real-time distribution position under the outdoor environment, adjust the audio output among the output device in real time, make in the multimedia environment scope of outdoor erection, personnel's individual removal can obtain stable audio frequency and experience, and carried out frequency conversion regulation to output device's operating power, output device's duration under the wireless connection state has been strengthened, thereby outdoor removal multimedia playing system's result of use has been promoted.
The specific working process is as follows:
through the set interaction assembly, a local area wireless communication network is set up in an outdoor environment by matching with a relay module, multimedia playing hardware is conveniently arranged, under a low-delay environment required by using a large number of multimedia terminals, wired connection is carried out through a multimedia cable in a configuration assembly, meanwhile, the wireless transmission distance between wireless relays is reduced by utilizing a signal cable so as to maintain the stability of the wireless communication network, a power amplifier sound and a display screen contained in output equipment are erected at required positions according to a support of a positioning unit in the configuration assembly, a three-dimensional surrounding sound source and a video source with a larger visual range are set up, the playing effect of mobile multimedia is enhanced, meanwhile, after people in the outdoor environment walk, a control unit updates the position information of a personal terminal through the wireless communication network set up by the wireless relays, and the running states of the output equipment at different positions in the outdoor environment are adjusted, the mobile power pack in the configuration assembly can provide independent power for a large number of output devices in a wireless communication network environment, so that interference caused by connection of a large number of power lines is avoided; the control unit identifies the positions of the output equipment and the personal terminal, then carries out weighted calculation on parameters of the output equipment to be regulated sent from different positions through a built-in program of the control unit, and finally feeds back the parameters to the brightness and volume of a video screen actually regulated by the output equipment, so that the adaptability of building a multimedia is enhanced; the control unit reads the brightness and the volume of the personal terminal in advance, reduces the modification amount of readjustment on the personal terminal, and simultaneously carries out position suggestion on the arranged output equipment, thereby enhancing the audio-visual experience of multimedia constructed by the output equipment in an outdoor environment to the use in the corresponding position of the personal terminal; the control unit is matched with microphones at different positions in the input equipment to monitor the communication volume of a person, the volume of the output equipment in a corresponding area is reduced according to the position of the microphone, the interference on the speaking communication of the person is reduced, and after the reduction of the speaking sound of the person is detected, the audio volume of the output equipment is recovered, so that differentiated audio-visual experience is provided for a user in an outdoor environment, and the use requirements in different environments are met; the control unit synchronously outputs audio information of equipment to a personal terminal accessed to a wireless communication network and is matched with an earphone communicated with the personal terminal, so that the interference of non-multimedia volume in the outdoor environment is reduced, meanwhile, after the volume of the output equipment is reduced due to the fact that part of personnel talks in corresponding positions, the normal audio receiving of the other part of personnel on the multimedia is kept by wearing the earphone, the communication and speaking among the other part of personnel in the outdoor environment are prevented from being influenced, and the audio-visual experience of the other part of personnel is also kept; position information is fed back to the control unit through the personal terminal which is carried about, then audio output in the output equipment is adjusted in real time along with the change of the real-time distribution position of the personnel under the outdoor environment, so that in the range of the multimedia environment erected outdoors, the movement of the personnel can obtain stable audio experience, the operating power of the output equipment is subjected to variable frequency adjustment, and the endurance time of the output equipment under the wireless connection state is prolonged.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An outdoor mobile multimedia playing system is characterized in that: the system comprises a relay module, a configuration component, an interaction component and a control unit; the interactive component is used as a carrier for multimedia playing; the relay module is used for communication connection among the interactive components; the configuration assembly is used for selecting and building different multimedia playing modes and communication connection modes; the control unit is used for transmitting an operation instruction and adjusting the operation among the module units;
the relay module also comprises a wireless relay and an IO panel; the wireless repeater is used for building a wireless communication network in an outdoor environment and keeping the connection synchronism among the mobile multimedia; the port on the IO panel is in wired connection with the interactive component to construct an audio and video multimedia hardware environment with low time delay;
the configuration component comprises a positioning unit and a transmission unit; the positioning unit comprises brackets with different specifications, and the interaction components are arranged at different positions of the outdoor environment through matching installation among the brackets; the transmission unit comprises a signal cable, a multimedia cable and a mobile power pack; the signal cable is connected to the top of the bracket from a communication port of the IO panel and is used for gaining signals of the wireless repeater; the multimedia cable is used as a wired connection mode of the interactive component; the mobile power pack is used for supplying electric energy for operating the wireless repeater and the interaction component;
the interactive component comprises output equipment and input equipment, wherein the output equipment is used for playing audio and video contents; the input equipment comprises an illuminometer and a microphone and is used for sensing outdoor brightness and environmental background noise parameters, transmitting data information of the outdoor brightness and the environmental background noise parameters to the control unit and adaptively adjusting the running state of the output equipment; the control unit is also directly regulated by a personal terminal accessed to the wireless communication network to the output equipment; the personal terminal comprises a smart phone.
2. The system of claim 1, wherein the control unit further identifies the orientation of the personal terminal accessing the wireless communication network, the control unit also marks the erection position of the output device in the outdoor environment, and the control unit calculates the position relationship between the personal terminal and the output device to balance the adjustment differences between the output devices and different personal terminals.
3. The system as claimed in claim 2, wherein the control unit further reads the settings of the personal terminal device connected to the communication unit, uses the brightness and volume parameters set by the personal terminal device as initial parameters for adjusting the output device, and makes adjustment suggestions for the layout position of the output device.
4. An outdoor mobile multimedia playing system according to claim 3, wherein: the control unit also reads the microphone sound of the personal terminal, and records the personnel communication volume in the sound source after carrying out fuzzy processing and the personnel communication volume detected by the microphone in the input equipment; the control unit is preset with a trigger value of personnel communication volume to control the volume of the output equipment to carry out adaptive adjustment.
5. The system of claim 4, wherein: the control unit also sends a synchronous application to the personal terminal, and the sound module of the personal terminal is used as an auxiliary sound source, so that the audio of the personal terminal and the audio of the output equipment are synchronously played.
6. An outdoor mobile multimedia playing system according to claim 5, wherein: the control unit also records the position change process of the personal terminal and changes the running states of output equipment arranged at different positions in the outdoor environment.
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| CN202110554249.7A CN113490022A (en) | 2021-05-20 | 2021-05-20 | Outdoor mobile multimedia playing system |
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| CN202110554249.7A CN113490022A (en) | 2021-05-20 | 2021-05-20 | Outdoor mobile multimedia playing system |
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