WO2021008479A1 - Procédé et système de génération audio, procédé et système de lecture audio, et système de commande central et dispositif de lecture audio - Google Patents

Procédé et système de génération audio, procédé et système de lecture audio, et système de commande central et dispositif de lecture audio Download PDF

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WO2021008479A1
WO2021008479A1 PCT/CN2020/101604 CN2020101604W WO2021008479A1 WO 2021008479 A1 WO2021008479 A1 WO 2021008479A1 CN 2020101604 W CN2020101604 W CN 2020101604W WO 2021008479 A1 WO2021008479 A1 WO 2021008479A1
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audio
playback device
audio playback
scene
data
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PCT/CN2020/101604
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English (en)
Chinese (zh)
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张宇程
孙立越
李德刚
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乐播新瑞(北京)文化传媒有限公司
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F25/00—Audible advertising
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction

Definitions

  • the present invention relates to the field of information dissemination technology, in particular to a method and system for generating and playing audio, a central control system, and audio playing equipment.
  • the present invention is proposed to provide an audio generation and playback method and system, a central control system, and audio playback equipment that overcome the above problems or at least partially solve the above problems.
  • a method for generating setting update audio based on scene customization which is applied to a central control system that manages at least one audio playback device, and the central control system is used to manage multiple different scenarios.
  • the method includes:
  • the audio file to be updated is correspondingly transmitted to the corresponding audio playback device of each scene, and the local audio file is updated and played by each audio playback device.
  • the method before the receiving playback data from at least one audio playback device in each scene, the method further includes:
  • the receiving playback data of at least one audio playback device from each scene includes:
  • the playback data from multiple audio playback devices in each scene is received in batch; wherein, the playback data is collected and uploaded by multiple audio playback devices within a specified time period.
  • the batch receiving of playback data from multiple audio playback devices in each scene includes: receiving in batches millions or tens of millions of playback data uploaded by the millions or tens of millions of audio playback devices from each scene .
  • the playback audio data includes: preset playback conditions, pre-stored audio files, and/or preset playback strategies of each audio playback device.
  • the personalized customization of the playback audio data of the audio playback device based on the preset scene of each audio playback device includes:
  • the audio file of the audio playback device is personalized based on the scene type of the preset scene of the audio playback device and/or the deployment position of the audio playback device in the preset scene.
  • the personalized customization of the audio file of the audio playback device based on the scene type of the preset scene of the audio playback device and/or the deployment position of the audio playback device in the preset scene includes :
  • the preset scene is a gas station, a personalized advertisement audio file, a public welfare enterprise publicity audio file, and/or an audio file of a promotional activity for the audio playback device;
  • the preset scene is a tourist attraction, customized multilingual scenic spot introduction audio files, scenic spots introduction audio files, public welfare audio files, and/or dining location audio files for the audio playback device;
  • the preset scene is a subway station, personalize the self-service ticket purchase element audio file, security check audio file, safety prompt audio file and/or outbound tour audio file for the audio playback device;
  • the preset scene is a highway service area, personalize real-time weather audio files, safe driving promotion audio files, and/or surrounding scenic spots introduction audio files for the audio playback device;
  • an audio file of flight information corresponding to the location of the audio playback device is personalized for the audio playback device.
  • the personalized customization of the playback audio data of the audio playback device based on the preset scene of each audio playback device includes:
  • the audio file of the audio playback device is personalized for the audio playback device according to the reference position.
  • the personalized customization of the audio file of the audio playback device for the audio playback device according to the reference position includes:
  • Identify the positional relationship between the reference location and the deployment location of the audio playback device and generate an audio file that includes a navigation path from the deployment location of the audio playback device to the reference location.
  • the parsing of the playback data to obtain parsing results of different audio playback devices for each scene includes:
  • the uploaded playback data is collectively summarized using the scene as the identifier
  • performing data modeling and data analysis on the common information and non-common information to generate an update data package that can adjust multiple audio playback devices in batches including:
  • the common information is defined as quantitative information in data modeling, and non-common information is defined as variable information in data modeling. For the same batch of million-level or tens of millions of audio playback devices, use the same common information As quantitative information, different non-common information is used as variable information to generate new update data packets for different audio playback devices in batches.
  • the generating audio files to be updated for each scene respectively according to the analysis result includes:
  • the determining that the update needs to be updated according to the playing frequency and duration includes:
  • the corresponding transmission of the audio file to be updated to the audio playback device of each corresponding scene includes:
  • a cloud audio transmission architecture is formed using a central control system and audio playback devices in each scene, and the central control system transmits the audio files to be updated to corresponding audio playback devices in each scene by using the cloud audio transmission architecture.
  • the corresponding transmission of the audio file to be updated to the audio playback device of each corresponding scene includes:
  • the audio files to be updated are correspondingly transmitted to the audio playback devices of the corresponding scenes through 4G, 5G and/or WiFi.
  • a playback method for setting and updating audio based on scene customization which is applied to large places with multiple different scenes. At least one audio playback device is set for each type of scene. For the playback device, the method includes:
  • the audio file pre-stored in the local audio file list of the current audio playback device is called for playback; wherein, the audio The file is pre-transmitted by the central control system governing the current audio playback device to the preset scene according to the scene type of the preset scene of the current audio playback device and/or the deployment position of the current playback device in the preset scene.
  • the local audio playlist of the current audio playback device In the local audio playlist of the current audio playback device;
  • Collect playback data within a specified time period upload the playback data to the central control system, and the central control system adjusts the playback strategy of the current audio playback device based on the playback data;
  • the detecting that the environment where the current audio playback device is currently located meets its preset playback conditions includes:
  • the sensing component sends out the device activation signal of the audio playback device, and then the device activation signal triggers the audio playback process in the audio playback device.
  • the detecting that at least one element in the environment where the current audio playback device is currently located triggers a sensing component in the audio playback device, including:
  • the current audio playback device includes at least one sensing component, different elements trigger different sensing components, and then different sensing components initiate different device activation signals;
  • the types of the sensing components include at least one of the following: infrared sensors, ultrasonic sensors, weight sensors, video cameras, timers, counters, temperature and humidity sensors, carbon dioxide sensors, MIC microphones for recording sound, and commodities MINIPAD display screen for interaction between video and consumers.
  • the collection of playback data within a specified time period includes:
  • elements corresponding to various types of sensing components are collected within a specified time period as the playback data of the current audio playback device.
  • the retrieving and playing audio files pre-stored in the local audio file list of the current audio playing device based on a preset playing strategy includes;
  • At least one audio file in the audio playlist is played cyclically, or an audio file matching the current time point is selected and played based on the play time point corresponding to each audio file in the audio playlist.
  • the update data packet carried in the update instruction includes at least one of the following: a new preset playback condition, a new playback strategy for updating the preset playback strategy, and a new audio file that replaces the original audio file.
  • the updating the relevant playback data of the current audio playback device based on the data packet includes at least one of the following:
  • the original audio file is updated.
  • the preset scene of the current audio playback device includes at least one of the following: gas station, tourist attraction, park, bus station, railway station, subway station, airport, shop, highway service area.
  • a central control system the central control system is used to manage large places with multiple different scenes, each scene is equipped with at least one audio playback device, the central control system includes:
  • the data receiving module is configured to receive playback data from at least one audio playback device in each scene; wherein the playback data includes playback information that each audio playback device is triggered by an external environment to play a local audio file within a specified time period;
  • An analysis module configured to analyze the playback data to obtain analysis results of different audio playback devices for each scene
  • a generating module configured to generate audio files to be updated for each scene according to the analysis result
  • the update module is configured to correspondingly transmit the audio file to be updated to the corresponding audio playback device of each scene, and each audio playback device updates and plays the local audio file.
  • the central control system further includes:
  • the customization module is configured to personalize the playback audio data of the audio playback device based on the preset scenes of each audio playback device, and transmit the playback audio data to the corresponding audio playback device in advance for the first time for each audio playback device Used when triggered.
  • the data receiving module is further configured to receive playback data from multiple audio playback devices in each scene in batch; wherein the playback data is collected and uploaded by multiple audio playback devices within a specified time period.
  • the data receiving module is further configured to receive in batches millions or tens of millions of playback data uploaded by the millions or tens of millions of audio playback devices in each scene.
  • the playback audio data includes: preset playback conditions, pre-stored audio files, and/or preset playback strategies of each audio playback device.
  • the customization module is further configured to: personalize the audio playback based on the scene type of the preset scene of the audio playback device and/or the deployment position of the audio playback device in the preset scene The audio file of the device.
  • the customization module is further configured as:
  • the preset scene is a gas station, a personalized advertisement audio file, a public welfare enterprise publicity audio file, and/or an audio file of a promotional activity for the audio playback device;
  • the preset scene is a tourist attraction, customized multilingual scenic spot introduction audio files, scenic spots introduction audio files, public welfare audio files, and/or dining location audio files for the audio playback device;
  • the preset scene is a subway station, personalize the self-service ticket purchase element audio file, security check audio file, safety prompt audio file and/or outbound tour audio file for the audio playback device;
  • the preset scene is a highway service area, personalize real-time weather audio files, safe driving promotion audio files, and/or surrounding scenic spots introduction audio files for the audio playback device;
  • an audio file of flight information corresponding to the location of the audio playback device is personalized for the audio playback device.
  • the customization module is further configured to: obtain the deployment position of the audio playback device in the preset scene, and identify the reference that at least one person within a preset threshold distance from the audio playback device is greater than the preset person flow position;
  • the audio file of the audio playback device is personalized for the audio playback device according to the reference position.
  • the customization module is further configured to: identify the positional relationship between the reference location and the deployment location of the audio playback device, and generate a navigation path including the deployment location of the audio playback device to the reference location Audio files.
  • the parsing module is further configured to: for multiple audio playback devices distributed in the same scene, aggregate the uploaded playback data using the scene as an identifier;
  • the analysis module is further configured to: define the common information as quantitative information in data modeling, and define non-common information as variable information in data modeling, for the same batch of millions of or For tens of millions of audio playback devices, the same common information is used as quantitative information, and different non-common information is used as variable information to generate new update data packets for different audio playback devices in batches.
  • the generating module is further configured to:
  • the generating module is further configured to: keep the scene unchanged, determine that the playing frequency and/or duration need to be updated; or, determine that the audio file needs to be updated;
  • the update module is further configured to use a central control system and audio playback devices in each scene to form a cloud audio transmission architecture, and use the cloud audio transmission architecture to allow the central control system to transfer the audio file to be updated Correspondingly transmitted to the corresponding audio playback device of each scene.
  • the update module is further configured to correspondingly transmit the audio file to be updated to the audio playback device of each corresponding scene through 4G, 5G and/or WiFi.
  • an audio playback device which is applied to a large-scale place with a variety of different scenes. At least one audio playback device is set for each type of scene. For any audio playback device, it includes:
  • the detection module is configured to retrieve and play audio files pre-stored in the local audio file list of the current audio playback device based on the preset playback strategy when the environment where the current audio playback device is currently located meets its preset playback conditions; Wherein, the audio file is controlled by the central control system of the current audio playback device according to the scene type of the preset scene of the current audio playback device and/or the deployment position of the current playback device in the preset scene Pre-transmitted to the local audio playlist of the current audio playback device;
  • the collection module is configured to collect playback data within a specified time period, and upload the playback data to the central control system, and the central control system performs the playback strategy of the current audio playback device based on the playback data Adjustment;
  • the instruction receiving module is configured to receive an update instruction carrying an update data packet issued by the central control system, and update relevant data of the current audio playback device based on the data packet.
  • the detection module is further configured to:
  • the sensing component sends out the device activation signal of the audio playback device, and then the device activation signal triggers the audio playback process in the audio playback device.
  • the detection module is further configured to: when the current audio playback device includes at least one sensing component, different elements trigger different sensing components, and then different sensing components initiate different device activations signal;
  • the types of the sensing components include at least one of the following: infrared sensors, ultrasonic sensors, weight sensors, video cameras, timers, counters, temperature and humidity sensors, carbon dioxide sensors, MIC microphones for recording sound, and commodities MINIPAD display screen for interaction between video and consumers.
  • the collection module is further configured to collect elements corresponding to various types of sensing components within a specified time period as the playback data of the current audio playback device according to different types of the sensing components.
  • the detection module is further configured to: retrieve audio files pre-stored in the local audio file list of the current audio playback device;
  • At least one audio file in the audio playlist is played cyclically, or an audio file that matches the current time point is selected and played based on the play time point corresponding to each audio file in the audio playlist.
  • the update data packet carried in the update instruction includes at least one of the following: a new preset playback condition, a new playback strategy for updating the preset playback strategy, and a new audio file that replaces the original audio file.
  • the instruction receiving module is further configured to: update the original preset playback condition of the current audio playback device based on the new preset playback condition;
  • the original audio file is updated.
  • the preset scene of the current audio playback device includes at least one of the following: gas station, tourist attraction, park, bus station, railway station, subway station, airport, shop, highway service area.
  • a playback system for setting and updating audio based on scene customization including:
  • At least one audio playback device as described in any one of the foregoing is set in a large-scale place with multiple different scenes, and at least one audio playback device is set for each type of scene;
  • the central control system is used to manage the audio playback device.
  • the present invention provides a method and system for generating and playing setting audio based on scene customization, a central control system, and audio playback equipment.
  • the central control After the system receives the playback data transmitted by at least one audio playback device in each scene, it parses the received playback data to obtain the analysis results of different audio playback devices in each scene, and then according to the analysis results of different audio playback devices , Respectively generate the audio files to be updated for each scene and transmit them to the audio playback device of each scene for playing.
  • the central control system is used to uniformly manage the audio playback devices set in each scene, and the central control system is used to manage and analyze the playback data of each audio playback device, and determine and issue the audio playback device to be updated.
  • Audio files realize cloud management and cloud update of audio playback devices, which are more intelligent and flexible than the traditional manual update method.
  • FIG. 1 shows a schematic flowchart of a method for generating setting update audio based on scene customization according to an embodiment of the present invention
  • Fig. 2 shows a schematic flow chart of a method for playing a setting update audio based on scene customization according to an embodiment of the present invention
  • Fig. 3 shows a schematic flow chart of a method for playing a setting update audio based on scene customization according to an embodiment of the present invention
  • Figure 4 shows a schematic structural diagram of a central control system according to an embodiment of the present invention
  • Figure 5 shows a schematic structural diagram of a central control system according to a preferred embodiment of the present invention
  • Figure 6 shows a schematic structural diagram of an audio playback device according to an embodiment of the present invention
  • Fig. 7 shows a schematic structural diagram of a playback system for setting and updating audio based on scene customization according to an embodiment of the present invention.
  • Figure 1 shows a method for generating setting update audio based on scene customization according to an embodiment of the present invention, which is applied to a central control system that manages at least one audio playback device, and the central control system is used to manage a large scale with multiple different scenarios. At least one audio playback device is set for each scene in a place. It can be seen from FIG. 1 that the method for generating setting update audio based on scene customization provided by the embodiment of the present invention may include:
  • Step S102 receiving playback data from at least one audio playback device in each scene; wherein the playback data includes playback information that each audio playback device is triggered by an external environment to play a local audio file within a specified time period;
  • Step S104 Analyze the above-mentioned playback data to obtain analysis results of different audio playback devices for each scene;
  • Step S106 according to the analysis result, generate audio files to be updated for each scene respectively;
  • Step S108 The audio files to be updated are correspondingly transmitted to the audio playback devices of the corresponding scenes, and the local audio files are updated by each audio playback device and played.
  • the embodiment of the present invention provides a method for generating setting audio based on scene customization. After receiving the playback data transmitted by at least one audio playback device from each scene, the received playback data is analyzed to obtain each scene According to the analysis results of different audio playback devices, the audio files to be updated for each scene are respectively generated according to the analysis results of different audio playback devices and transmitted to the audio playback devices of each scene for playback. Based on the method provided by the embodiments of the present invention, the audio playback device set in each scene is managed uniformly through the central control system, and the playback data of each audio playback device is managed and analyzed by the central control system, and the audio playback device is determined and issued.
  • the audio file to be updated realizes cloud management and cloud update of each audio playback device, which is more intelligent and flexible than the traditional manual update method.
  • the audio playback device set in each scene needs to pre-store relevant data for the current audio playback device to play when it is triggered for the first time. Therefore, before the above step S102, it may further include: personalizing the playback audio data of the audio playback device based on the preset scene of each audio playback device, and pre-transmitting the playback audio data to the corresponding audio playback device , Used when each audio playback device is triggered for the first time.
  • the pre-transmitted playback audio data may include preset playback conditions, pre-stored audio files, and/or preset playback strategies of each audio playback device.
  • the central control system can pre-transmit the audio playback device's preset playback conditions, pre-stored audio files and/or preset playback strategies, and trigger the audio playback device's first time in the current environment.
  • the preset playback strategy can be invoked to play the pre-stored audio files.
  • the central control system when the central control system customizes pre-stored audio files for each audio playback device, it can be customized based on the scene type of the preset scene of the audio playback device and/or the deployment position of the audio playback device in the preset scene Audio files of audio playback devices.
  • the preset scene type can be at least one of the following: gas stations, tourist attractions, parks, railway stations, subway stations, expressway service areas, shops, airports and other large public places with multiple different scenes.
  • the pre-stored audio files are different. The following are examples of audio playback files set in different scenes.
  • the preset scene is a gas station, it is a personalized advertisement audio file, a public welfare enterprise publicity audio file, and/or an audio file of a promotional activity for the audio playback device.
  • the business of gas stations can be divided into two categories: oil products and non-oil products (commodities, car supplies, car washes, etc.).
  • non-oil products components, car supplies, car washes, etc.
  • the disadvantage is that it cannot be standardized, is not well managed, and fluctuates greatly after the loss of personnel.
  • 2. Record the promotional activities in the store as audio in advance, and broadcast it through the square dance speakers. The speakers need to be charged and recorded daily, and the speakers are required to be played and received at each station every day. 3.
  • a service structure of multi-audio playback equipment can be provided for gas stations.
  • Two 20-watt outdoor sound columns and a wall-mounted speaker in the store can be installed on both sides of the left and right door of the convenience store of the gas station.
  • an audio playback device is connected to the central control system to automatically play pre-stored audio files, without manual operation.
  • the central control system can customize the same audio file uniformly and personally for each audio playback device in multiple gas stations under its jurisdiction, and can also customize different types of gas stations or different geographical locations. Audio files. The content of the audio file will be broadcast after approval by the designated department.
  • the advertisement audio file or the promotional audio file can be played at a set time (all 4 and 9 minutes of each hour) to meet the business needs of the gas station scene.
  • the preset scene is a tourist attraction, a multilingual scenic spot introduction audio file, various scenic spot introduction audio files, public welfare publicity audio files and/or dining location audio files are customized for the audio playback device.
  • an audio file for self-service ticket purchase elements an audio file for security checks, an audio file for safety prompts, and/or an audio file for outbound navigation are personalized for the audio playback device.
  • subways are in operation in many cities. It is an underground railway transportation mode established under the high population and dense travel demand of a city. Taking the subway can not only guarantee travel time, but also be efficient and convenient.
  • subway management is divided into two structures: construction and operation. The operation is divided into one line and a team is established to manage the entire vehicle operation and personnel management at each station. Each station has multiple (such as about 5) job posts. The types of work can apply for cleaning, security, security, ticket sales, etc.
  • a subway station is divided into two floors, the hall and platform floor. The hall floor functions as ticket purchase, security check entry and exit, three links.
  • the platform is for getting on and off the train, the transfer station structure is relatively complicated, and the design requirements of the guidance are high.
  • the central control system can customize the subway broadcasting to design the broadcasting rules and content requirements in a unit of a single station.
  • the first type is to customize the audio files of self-service ticket purchase elements; that is, install audio playback equipment in the automatic ticketing area.
  • the audio playback device will sense the passengers, automatically play the ticket purchase elements, and the broadcast content will follow.
  • the richness of ticket purchases and activities want to be updated to achieve the self-service and unified service of ticket purchases.
  • the second type is to customize the security check audio file and/or the security prompt audio file; install audio playback equipment in the security check area (broadcast can be set to automatically play, sequence play content can also be sensed), subway security check in the morning and evening peaks and holidays , It tests the patience of passengers under security check. For everyone’s safety, it is still necessary for people to do the inspection.
  • the content of this broadcast should be customized to the necessity of security check, introduction of bans and security check is safe for you, me, and other related explanatory content to reduce security.
  • the explanation intensity of the personnel soothes the emotions and cooperation of the passengers.
  • the third is to customize the audio file of the outbound tour; that is, before exiting the gates, many people will look at the subway exit guide map to determine the correctness of the selected exit, and install audio playback equipment above the guide map.
  • the audio playback device When standing in the navigation area, the audio playback device will automatically play the content of the navigation map in response to the settings.
  • the broadcast content can introduce the surrounding routes and buildings in more detail. Great convenience for passengers, so that some people with disabilities can listen. Reduce the flow of people at the station hall level and reduce uncertain factors.
  • the fourth type is to customize audio files for safety prompts; there can be audio playback equipment on the escalators at the entrance and exit of the subway.
  • the only option is to record the audio in advance and place it in the USB flash drive, and then the staff can insert the USB flash drive at the height of the voice prompter to complete the update and broadcast.
  • a station has 12 escalators, there are at least 12 voice prompts. , You need to climb 12 times and prepare 24 U disks for replacement. Because the update is troublesome, the broadcast audio is never updated after the subways in each city are basically installed. Based on the solution provided in this embodiment, you can set up audio playback equipment, professionally host the voice recording, and remotely update the voice through the central control system. In peak periods, special weather, and holidays, the prompt voice content should be broadcast with the flow structure of the year. Each tourist station should specifically broadcast the guidance needs of tourist services.
  • the fifth type is to customize audio files for public welfare publicity; that is, to customize broadcasting to serve passengers and comprehensively enhance the cultural atmosphere of the subway.
  • the broadcast can be unified to serve the staff, enhance the subway corporate culture and strengthen the guidance of standardized operations.
  • the preset scene is the expressway service area
  • the real-time weather audio files, safe driving publicity audio files and/or surrounding scenic spots introduction audio files are personalized for the audio playback device.
  • the audio file customized for the expressway service area may be used to serve the people staying in the service area and the staff who operate the service area daily. According to the architecture and functions of the service area, set up broadcast audio playback equipment.
  • the content of the audio file can include: introduction of the service area, high-speed driving precautions, interpretation of fatigue driving symptoms, high-speed introduction of the service area, weather forecast, surrounding allusions, tourist attractions, During the trough period of the flow of people, broadcast service staff broadcast management content such as corporate presentations and civilized pacesetters.
  • the high-speed service area broadcast is divided into a three-level setting broadcast system, the highest level is the broadcast service content and plan set by the provincial high-speed command center. It is based on the first-line service and management of the province's high-speed.
  • the second senior is a high-speed management, with the goal of serving a high-speed for people and vehicles to establish broadcast services and design.
  • Primary management is based on a service area as the structure, and the design of setting broadcast content. The three levels coexist and have different permissions.
  • the expressway service area broadcast is the most intimate and detailed service for high-speed service car passengers.
  • an audio file of flight information corresponding to the location of the audio playback device is personalized for the audio playback device.
  • the airport terminal is also a place with a large flow of people.
  • a terminal building it can be equipped with multiple boarding gates, and the flight schedule corresponding to each boarding gate may change frequently every day.
  • the solution provided in the example can deploy audio playback equipment at each gate, and control the audio playback device corresponding to each gate through the central control system to cyclically play the flight information about to start boarding.
  • the broadcast method can reduce the work pressure of the airport staff while using loop broadcast to remind passengers to board the plane in time.
  • a similar scheme can be adopted for each ticket gate of a railway station, and audio playback equipment is deployed at each ticket gate to play the train number information that is about to start ticket checking at the corresponding ticket gate.
  • the playback audio data of the audio playback device when personalizing the playback audio data of the audio playback device, it may further include: acquiring the deployment position of the audio playback device in a preset scene, and identifying a preset threshold of the distance from the audio playback device At least one of the people flow is greater than the reference location of the preset flow of people; the audio file of the audio playback device is personalized for the audio playback device according to the reference location. Specifically, the positional relationship between the reference location and the deployment location of the audio playback device can be identified, and an audio file including the navigation path from the deployment location of the audio playback device to the reference location can be generated.
  • an audio playback device a is installed at the exit of scenic spot A in the current tourist scenic spot. Based on previous data analysis, it can be known that the exit of scenic spot A is closer to the south gate of the current scenic spot . And through historical data analysis, it is known that tourists passing through the scenic spot A often ask for the route to the south gate of the scenic spot, and more tourists leave the scenic spot through the south gate of the scenic spot.
  • the south gate of the scenic spot can be used as the reference location of the scenic spot A
  • the walking route from the scenic spot A to the south gate of the scenic spot A can be obtained
  • the audio file in the audio playback device a can be personalized based on the walking route.
  • the central control system can also personalize other types of audio files for each scene according to different requirements, which is not limited in the present invention.
  • the central control system can manage at least one audio playback device.
  • the total audio playback device can be one million or thousands. Ten thousand. Therefore, when receiving the playback data of at least one audio playback device from each scene in the above step S102, it may further include: receiving the playback data from multiple audio playback devices in each scene in batch; wherein, the playback data consists of multiple audio playback devices.
  • the playback device collects and uploads them separately within the specified time period. Further, it may also include: batch receiving millions or tens of millions of audio playback data uploaded by audio playback devices from each scene.
  • the central control system can analyze the playback data to obtain analysis results of different audio playback devices for each scene.
  • it may further include:
  • common information can be defined as quantitative information in data modeling
  • non-common information can be defined as variable information in data modeling, for the same batch of millions or tens of millions
  • the audio playback device uses the same common information as quantitative information and different non-common information as variable information to generate new update data packets for different audio playback devices in batches.
  • a deep learning model can be constructed based on neural networks.
  • For multiple audio playback devices distributed in the same scene after multiple playback data of multiple audio playback devices are collectively summarized, it can be determined that the played audio file is common information, and the setting position of each audio playback device in the preset scene and the number of times the audio file is played are non-common information.
  • data modeling and data analysis can be performed based on the audio file as the common information, the location of the audio playback device as the non-common information, and the number of times the audio file has been played, and then the data can be generated.
  • Batch adjust the new update packets of multiple audio playback devices After modeling and analysis based on common information and non-common information, the traffic information in the preset scene can be obtained, and then based on the traffic information, a new update that can adjust multiple audio playback devices in batches is generated. Data packets and so on.
  • a subway station as an example of a preset scenario, suppose the subway station has four entrances and exits A, B, C, and D. It may be set up at each entrance and exit, as well as the ticket office and security checkpoint at each entrance. Audio playback equipment, among which the audio playback equipment installed at ports A, B, C, and D will automatically play audio files about safe entry and exit when they sense the presence of a human body.
  • the audio playback files set at the ticket office are sensing When a human body is present, the playback process will automatically play the audio file playback process related to the ticket purchase elements.
  • the audio playback device set at the security checkpoint will automatically play the audio file playback process for safe riding when it senses the presence of a human body.
  • Each audio playback device can collect the triggering times of the playback process of the audio file within a specified time, and at the same time upload the playback times of the audio file, the setting position of the audio playback device and the corresponding audio file as playback data to the central control system.
  • the central control system can update the audio file's data after receiving the playback data uploaded by each audio playback file.
  • the triggering process is taken as type X data
  • the setting position of each audio playback device and the number of playbacks are taken as type Y data
  • type X data and type Y data are integrated for data modeling and data analysis.
  • the audio files to be updated can be generated for each scene according to the analysis results.
  • the audio file to be updated when the audio file to be updated is generated, it can first determine whether the audio file of the audio playback device needs to be updated according to the playback frequency and duration of the current audio file. Assuming that the playing frequency and duration of the current audio file of the audio playback device are less than a certain value, it can be determined that there is no need to update, and if the playing frequency and duration of the current audio file of the audio playback device are greater than a certain value, it is determined that it needs to be updated.
  • it may further include: keeping the scene unchanged, determining that the playing frequency and/or duration needs to be updated; or, determining that the audio file needs to be updated; determining that it needs to be converted in different scenes , Switch from the first scene to the second scene while adjusting the audio file.
  • any audio playback device it can also be combined with its geographic location to determine whether the audio file of the audio playback device needs to be updated.
  • audio playback device A, audio playback device B, and audio playback device C are set near two adjacent landmark locations 1 and 2 in the current park. Among them, audio playback device A is closer to landmark location 1, audio The playback device C is closer to the landmark position 2, and the audio playback device B is set between the two.
  • audio playback device A will play relevant introductions about landmark location 1
  • audio playback device C will play relevant introductions about landmark location 2
  • audio playback device B will play audio files for safe and civilized amusement parks.
  • audio playback device A detects that there is a small amount of people nearby
  • audio playback device B detects that there is a large amount of people nearby.
  • determining the flow of people passing through the audio playback device can also be assisted by ultrasonic sensors for statistics.
  • Fig. 2 shows a flowchart of an ultrasonic sensor system according to an embodiment of the present invention. Referring to Fig. 2, it can be seen that the processing process of the entire system can be as follows:
  • the main control chip DSP controls the ultrasonic signal generating module to generate sine wave and square wave.
  • the sine wave is used to transmit ultrasonic signals
  • the square wave is used to demodulate the collected Doppler frequency shift signals.
  • the ultrasonic signal excitation module is to amplify the ultrasonic transmitter signal at a certain power, and adjust the impedance to match the ultrasonic transmitter probe to impedance, so that the transmitter probe can work higher efficiency.
  • the receiving probe After the receiving probe receives the fluid-carrying information signal transmitted by the transmitting probe and passing through the pipe wall and the fluid in the pipe, the signal is transmitted to the ultrasonic receiving circuit module, the weak signal is selected and amplified, and then it is low-noise
  • the amplifier amplifies the useful signal twice to make the useful signal reach a certain amplitude, which is convenient for processing in the subsequent circuit.
  • the useful signal after twice amplification enters the ultrasonic signal demodulation module, and is mixed with the square wave signal generated by the waveform generation module to generate the sum frequency signal and the difference frequency signal of the two signals, and the difference frequency signal generated is Doppler signal of the fluid velocity in the pipeline.
  • the demodulated signal is a current signal, so the frequency difference signal needs to be converted from current to voltage, filtered and sent to the analog-to-digital converter (A/D) of TMS32OF2812 for analog-to-digital conversion.
  • the CPU in the TMS320F2812 processes the obtained digital sequence to obtain the frequency offset value, and then calculates the required amount of data according to the parameters, and then stores and transmits these data to facilitate remote monitoring and data storage of flow data.
  • the single-chip C8051F500 is operated for key input and OLCD display.
  • the audio files to be updated can be transmitted to the corresponding audio playback devices of each scene.
  • the central control system and each scene can be used.
  • the audio playback device of the audio playback device forms a cloud audio transmission architecture
  • the central control system uses the cloud audio transmission architecture to correspondingly transmit the audio file to be updated to the audio playback device of each scene.
  • the audio file to be updated may be correspondingly transmitted to the corresponding audio playback device in each scene through 4G, 5G and/or WiFi.
  • other methods may also be used to transmit the audio files to be updated, which is not limited in the present invention.
  • the embodiment of the present invention also provides a setting update audio playback method in scene customization, which is applied to large places with multiple different scenes. At least one audio playback device is set for each type of scene.
  • the method may include:
  • Step S302 When it is detected that the current environment of the current audio playback device satisfies its preset playback conditions, based on the preset playback strategy, call the pre-stored audio files in the local audio file list of the current audio playback device for playback; wherein, The audio file is pre-transmitted by the central control system governing the current audio playback device to the current audio playback device according to the scene type of the preset scene of the current audio playback device and/or the deployment position of the current playback device in the preset scene In the local audio playlist;
  • Step S304 Collect playback data within a specified time period, and upload the aforementioned playback data to the central control system, and the central control system adjusts the playback strategy of the current audio playback device based on the aforementioned playback data;
  • Step S306 Receive an update instruction carrying an update data package issued by the central control system, and update relevant data of the current audio playback device based on the update data package.
  • the embodiment of the present invention provides a method for playing the updated audio based on scene customization.
  • the current audio playing device can be called based on the preset playing strategy.
  • the pre-stored audio playback files are played, which saves resources and reduces noise pollution while providing users with the information they need.
  • the solution provided in this embodiment can also collect its playback data within a specified time period through the audio playback device and transmit it to the central control system that governs all audio playback devices, and the central control system will then uniformly check the received data.
  • step S302 it is mentioned that the audio file will be called up and played only when it is detected that the environment where the current audio playback device is currently located meets its preset playback conditions.
  • detecting that at least one element in the environment where the current audio playback device is currently located triggers a sensing component in the audio playback device, and/or the current point in time is any pre-stored audio file in the audio file list
  • the sensing component sends out a device activation signal of the audio playback device, and the device activation signal triggers the audio playback process in the audio playback device.
  • the types of the sensing components include at least one of the following: infrared sensors, ultrasonic sensors, weight sensors, video cameras, timers, counters, temperature and humidity sensors, carbon dioxide sensors, MIC microphones for recording sound, and commodities MINIPAD display screen for interaction between video and consumers.
  • the sensing component can send a start signal to the audio playback device to which it belongs to trigger the audio playback device Audio playback process.
  • the audio playback device can be called to control the power amplifier module to drive the speaker to play.
  • the sound of the current environment can also be collected through the MIC microphone set in the audio playback device, and video files related to the shelf product can be played through the MINIPAD display screen to realize the interaction between the product and the consumer.
  • the audio playback device can be provided with one or more same or different sensing components, when the current audio playback device includes at least one sensing component, different elements in the current environment can trigger different sensing components. Devices, and then different sensing components initiate different device start signals. For different device start signals, it can trigger the same or different audio playback processes in the audio playback device. Different audio playback processes can be different from the audio files played by the audio playback device, or it can be the playback time of each audio file The difference or frequency can be specifically set according to different scene types, which is not limited in the present invention.
  • the corresponding pre-stored audio file can be recalled and played in the local audio playlist according to the preset playback strategy.
  • the pre-stored audio file in this embodiment is pre-transmitted to the current audio by the central control system that governs the current audio playback device according to the scene type of the preset scene of the current audio playback device and/or the deployment position of the current playback device in the preset scene
  • the preset scene can be gas stations, tourist attractions, parks, railway stations, subway stations, expressway service areas, airports, shops, bus stations and other large public places with many different scenes .
  • a playback strategy can be preset to determine the playback time and times of audio files in the local audio playlist. Therefore, further, the above step S302 may include: retrieve audio files pre-stored in the local audio file list of the current audio playback device; play at least one audio file in the audio playlist in a loop, or based on the corresponding audio files in the audio playlist Select the audio file that matches the current time point and play it.
  • Table 1 shows a comparison of the results of using different playback strategies for different test cases according to the embodiment of the present invention.
  • the playback strategies shown in Table 1 are only a few of multiple strategies. In actual applications, different playback strategies can also be set for different requirements, which is not limited in the present invention.
  • an ultrasonic sensor can collect the flow of people passing the current audio playback device within a specified time period
  • a carbon dioxide sensor can collect its carbon dioxide content at different times within a specified time period
  • a timer can collect the playback of each audio file of the audio playback device. Time and so on.
  • the playback data can be uploaded to the central control system, and the central control system will adjust the current audio playback device strategy according to the aforementioned playback data.
  • the central control system can manage all audio playback devices, and is responsible for unified management of the playback strategies and playback files of each audio playback device (such as the issuance and update of playback strategies and playback files) to realize the store Cloud broadcast in the shelf.
  • the central control system After the central control system completes the adjustment of the playback strategy of the current audio playback device based on the playback data, it can issue an update instruction to the current audio playback device, and the audio playback device will update the data of the current audio playback device according to the data packet contained in the update instruction. Update.
  • the current audio playback device may receive an update instruction from the central control system, and the update instruction may carry a data packet for updating its data.
  • the data packet may include at least one of the following: a new preset playing condition, a second playing strategy after updating the first playing strategy, and a new audio file replacing the original audio file.
  • the current audio playback device After the current audio playback device receives the data packet, it can update the data of the current audio playback device based on the data packet, such as updating the original preset playback condition of the current audio playback device according to the new preset playback condition in the data packet ; Update the first play strategy according to the second play strategy in the data package; update the original audio file according to the new audio file in the data package.
  • the second playback strategy preset by the current audio playback device is invoked, and the second playback strategy is used to invoke the new audio file for playback.
  • the audio playback device when the audio playback device is updated based on the data package issued by the central control system, it can be updated in real time, delayed update, or updated at a preset time.
  • the data package issued by the central control system through the update instruction can be carried There is an update time, and when the update time arrives, the data of the current audio playback device is updated based on the data packet.
  • the data transmission between the audio playback device and the central control system can be through Ethernet, 4G or 5G. Of course, it can be through WiFi or other methods in practical applications, and the present invention is not limited.
  • the embodiment of the present invention also provides a central control system, which is used to manage large places with multiple different scenes, and each scene is equipped with at least one audio playback device, as shown in FIG. 4,
  • the control system 400 may include:
  • the data receiving module 410 is configured to receive playback data from at least one audio playback device in each scene; wherein the playback data includes playback information that each audio playback device is triggered by an external environment to play a local audio file within a specified time period;
  • the parsing module 420 is configured to analyze the playback data to obtain analysis results of different audio playback devices for each scene;
  • the generating module 430 is configured to generate audio files to be updated for each scene according to the analysis result;
  • the update module 440 is configured to correspondingly transmit the audio file to be updated to the corresponding audio playback device of each scene, and each audio playback device updates the local audio file and plays it.
  • the central control system 400 may further include:
  • the customization module 450 is configured to personalize the playback audio data of the audio playback device based on the preset scenes of each audio playback device, and pre-transmit the playback audio data to the corresponding audio playback device for each audio playback device Used when it is triggered for the first time.
  • the data receiving module 410 is further configured to: receive playback data from multiple audio playback devices in each scene in batch; wherein, the playback data is generated by multiple audio playback devices within a specified time period. Collect and upload separately.
  • the data receiving module 410 is further configured to receive in batches millions or tens of millions of playback data uploaded by the millions or tens of millions of audio playback devices from each scene.
  • the playback audio data includes: preset playback conditions, pre-stored audio files, and/or preset playback strategies of each audio playback device.
  • the customization module 450 is further configured to: based on the scene type of the preset scene of the audio playback device and/or the deployment position of the audio playback device in the preset scene Customize the audio file of the audio playback device.
  • the customization module 450 is further configured to:
  • the preset scene is a gas station, a personalized advertisement audio file, a public welfare enterprise publicity audio file, and/or an audio file of a promotional activity for the audio playback device;
  • the preset scene is a tourist attraction, customized multilingual scenic spot introduction audio files, scenic spots introduction audio files, public welfare audio files, and/or dining location audio files for the audio playback device;
  • the preset scene is a subway station, personalize the self-service ticket purchase element audio file, security check audio file, safety prompt audio file and/or outbound tour audio file for the audio playback device;
  • the preset scene is a highway service area, personalize real-time weather audio files, safe driving promotion audio files, and/or surrounding scenic spots introduction audio files for the audio playback device;
  • an audio file of flight information corresponding to the location of the audio playback device is personalized for the audio playback device.
  • the customization module 450 is further configured to: obtain the deployment position of the audio playback device in the preset scene, and identify at least one person within a preset threshold distance from the audio playback device A reference position greater than the preset flow of people;
  • the audio file of the audio playback device is personalized for the audio playback device according to the reference position.
  • the customization module 450 is further configured to: identify the positional relationship between the reference position and the deployment position of the audio playback device, and generate data from the deployment position of the audio playback device to The audio file of the navigation path of the reference position.
  • the parsing module 420 is further configured to: for multiple audio playback devices distributed in the same scene, aggregate the uploaded playback data using the scene as an identifier;
  • the analysis module 420 is further configured to define the common information as quantitative information in data modeling, and define non-common information as variable information in data modeling. Batches of millions of or tens of millions of audio playback devices use the same common information as quantitative information and different non-common information as variable information to generate new update data packets for different audio playback devices in batches.
  • the generating module 430 is further configured to:
  • the generating module 430 is further configured to: keep the scene unchanged, determine that the playing frequency and/or duration need to be updated; or, determine that the audio file needs to be updated;
  • the update module 440 is further configured to use a central control system and audio playback devices in each scene to form a cloud audio transmission architecture, and use the cloud audio transmission architecture to allow the central control system to The audio files to be updated are correspondingly transmitted to the audio playback devices of the corresponding scenes.
  • the update module 440 is further configured to correspondingly transmit the audio file to be updated to the corresponding audio playback device in each scene through 4G, 5G and/or WiFi.
  • the embodiments of the present invention also provide an audio playback device, which is applied to large places with multiple different scenes. At least one audio playback device is set for each type of scene.
  • the audio playback device 600 includes:
  • the detection module 610 is configured to retrieve and play audio files pre-stored in the local audio file list of the current audio playback device based on the preset playback strategy when the environment where the current audio playback device is currently located meets its preset playback conditions.
  • the audio file is controlled by the central control system of the current audio playback device according to the scene type of the preset scene of the current audio playback device and/or the deployment of the current playback device in the preset scene The position is pre-transmitted to the local audio playlist of the current audio playback device;
  • the collection module 620 is configured to collect playback data within a specified time period, and upload the playback data to the central control system, and the central control system uses the playback data on the playback strategy of the current audio playback device Make adjustments
  • the instruction receiving module 630 is configured to receive an update instruction carrying an update data packet issued by the central control system, and update relevant data of the current audio playback device based on the data packet.
  • the detection module 610 is further configured to:
  • the sensing component sends out the device activation signal of the audio playback device, and then the device activation signal triggers the audio playback process in the audio playback device.
  • the detection module 610 is further configured to: when the current audio playback device includes at least one sensing component, different elements trigger different sensing components, and then different sensing components The components initiate different equipment start signals;
  • the types of the sensing components include at least one of the following: infrared sensors, ultrasonic sensors, weight sensors, video cameras, timers, counters, temperature and humidity sensors, carbon dioxide sensors, MIC microphones for recording sound, and commodities MINIPAD display screen for interaction between video and consumers.
  • the collection module 620 is further configured to collect elements corresponding to various types of sensing components as the current audio playback device within a specified time period according to different types of sensing components. Playback data.
  • the detection module 610 is further configured to: retrieve audio files pre-stored in the local audio file list of the current audio playback device;
  • At least one audio file in the audio playlist is played cyclically, or an audio file that matches the current time point is selected and played based on the play time point corresponding to each audio file in the audio playlist.
  • the update data packet carried in the update instruction includes at least one of the following: a new preset playback condition, a new playback strategy for updating the preset playback strategy, and a replacement for the original audio file New audio file.
  • the instruction receiving module 630 is further configured to: update the original preset playback condition of the current audio playback device based on the new preset playback condition;
  • the original audio file is updated.
  • the preset scene of the current audio playback device includes at least one of the following: gas station, tourist attraction, park, bus station, railway station, subway station, airport, shop, highway service Area.
  • the audio playback device 500 provided in this embodiment can be provided with multiple interfaces and card slots to implement different functions.
  • antenna, GSM module, SIM card, internal program constitute 4G, 5G communication system
  • WIFI module, WIFI antenna, internal program constitute WIFI communication system
  • network interface, network module, internal program constitute NBIOT network communication system
  • these three systems It forms a remote communication system for sending and receiving required data.
  • the external sensor is connected to the control board through the interface, through the sensor analysis module, the relevant algorithm can be used to analyze the state of people's communication, and the flow of people can be recorded through internal procedures and algorithms; when a person is detected or the audio needs to be played according to the time strategy, control
  • the board controls the power amplifier module by calling the audio in the memory card, and drives the speaker to play.
  • the audio playback device is further provided with at least one function button; the function button includes at least one of the following: a volume adjustment button, a power amplifier output control button, a switch button, and an audio file switching button.
  • the function buttons of the audio playback device can also be set according to different usage requirements, such as adding an alarm button.
  • the button can be triggered to send an alarm signal or transmit alarm information to the central control system , Realize security alarm, where the alarm signal can be a pre-transmitted audio file to remind surrounding users to pay attention to safety or other warning signal, which is not limited in the present invention.
  • the audio playback device can also be provided with a power supply assembly to supply power to the components in the audio playback device.
  • the power supply component may include a battery (rechargeable battery).
  • the audio playback device may be provided with a power interface to connect the power supply component.
  • the power supply component in the audio playback device provided in this embodiment is preferably a removable charging power source.
  • the audio playback device can be moved at will by setting it in the audio playback device, so that the audio playback device can be adjusted according to different needs in practical applications. Audio files can be played at any time after the deployment position. That is, the audio playback device provided in this embodiment can be moved freely as a cloud speaker to play audio files, thereby realizing a movable function.
  • a low-power light or sound prompt can be performed to prompt the user to charge in time to avoid affecting the normal operation of the audio playback device.
  • the audio playback device can realize the cloud speaker audio playback function while charging.
  • an embodiment of the present invention also provides a playback system for setting update audio based on scene customization.
  • a setting update audio playback system 700 based on scene customization can include:
  • At least one audio playback device 600 described in any of the foregoing embodiments is installed in a large-scale place with multiple different scenes, and at least one audio playback device is installed for each type of scene;
  • the central control system described in any of the above embodiments is used to manage the audio playback device.
  • the embodiment of the present invention provides a method and system for generating and playing audio of setting audio based on scene customization, a central control system, and audio playback equipment.
  • the central control system After receiving the playback data transmitted by at least one audio playback device from each scene, the central control system parses the received playback data to obtain the analysis results of different audio playback devices in each scene, and then according to different audio playback devices After analyzing the results, the audio files to be updated for each scene are respectively generated and transmitted to the audio playback device of each scene for playing.
  • the central control system is used to uniformly manage the audio playback devices set in each scene, and the central control system is used to manage and analyze the playback data of each audio playback device, and determine and issue the audio playback device to be updated.
  • Audio files realize cloud management and cloud update of audio playback devices, which are more intelligent and flexible than the traditional manual update method.
  • modules or units or components in the embodiments can be combined into one module or unit or component, and in addition, they can be divided into multiple sub-modules or sub-units or sub-components. Except that at least some of such features and/or processes or units are mutually exclusive, any combination can be used to compare all features disclosed in this specification (including the accompanying claims, abstract and drawings) and any method or methods disclosed in this manner or All the processes or units of the equipment are combined. Unless expressly stated otherwise, each feature disclosed in this specification (including the accompanying claims, abstract and drawings) may be replaced by an alternative feature providing the same, equivalent or similar purpose.
  • the various component embodiments of the present invention may be implemented by hardware, or by software modules running on one or more processors, or by their combination.
  • a microprocessor or a digital signal processor (DSP) can be used in practice to implement some or all of the functions of some or all of the audio playback device and the central control system according to the embodiments of the present invention.
  • DSP digital signal processor
  • the present invention can also be implemented as a device or device program (for example, a computer program and a computer program product) for executing part or all of the methods described herein.
  • Such a program for realizing the present invention may be stored on a computer-readable medium, or may have the form of one or more signals. Such signals can be downloaded from Internet websites, or provided on carrier signals, or provided in any other form.

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Abstract

L'invention concerne un procédé et un système de génération audio, un procédé et un système de lecture audio, et un système de commande central et un dispositif de lecture audio. Le procédé de génération comprend les étapes consistant à : recevoir des données de lecture en provenance d'au moins un dispositif de lecture audio dans chaque scénario, les données de lecture comprenant des informations de lecture de chaque dispositif de lecture audio déclenché par un environnement externe dans une période de temps spécifiée pour lire un fichier audio local ; analyser les données de lecture pour obtenir des résultats d'analyse pour différents dispositifs de lecture audio dans chaque scénario ; générer, en fonction des résultats d'analyse, des fichiers audio respectifs à mettre à jour pour chaque scénario ; et à transmettre de manière correspondante les fichiers audio à mettre à jour à des dispositifs de lecture audio correspondants dans chaque scénario, et chaque dispositif de lecture audio met à jour le fichier audio local et effectue une lecture. Sur la base de la solution proposée dans la présente invention, un système de commande central effectue une gestion en nuage et une mise à jour en nuage sur des dispositifs de lecture audio agencés dans chaque scénario, de telle sorte que la lecture audio des dispositifs de lecture audio est plus intelligente.
PCT/CN2020/101604 2019-07-18 2020-07-13 Procédé et système de génération audio, procédé et système de lecture audio, et système de commande central et dispositif de lecture audio WO2021008479A1 (fr)

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