CN114071059A - A wireless video conference system for intelligent building construction management - Google Patents
A wireless video conference system for intelligent building construction management Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/155—Conference systems involving storage of or access to video conference sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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Abstract
本发明公开了一种智能化建筑施工管理用无线视频会议系统，包括用于语音采集、转化、转码、翻译和输出的音频模块、用于画面采集、压缩、转码优化和输出的视频模块、用于控制文件传输、发言和协调音频视频的主控模块。本发明节约会议经费和时间，提高了时效性，通过设置翻译模块和语音转化模块方便对不同的语言进行翻译并显示，提高了适用性，便于理解会议内容，通过对视频和音频分开处理提高了数据的处理效率，同时保证了视频和音频的同步传输和输出，避免了声音与图像信息不同步的问题，通过云盘存储方便随时观看会议记录，增加了存储空间，通过设置发言协调模块避免了同时发言导致混乱，提高了秩序性，提升了会议的效率和质量。
The invention discloses a wireless video conference system for intelligent building construction management, comprising an audio module for voice acquisition, conversion, transcoding, translation and output, and a video module for picture acquisition, compression, transcoding optimization and output , The main control module for controlling file transfer, speaking and coordinating audio and video. The present invention saves meeting expenses and time, improves timeliness, facilitates translation and display of different languages by arranging a translation module and a voice conversion module, improves applicability, facilitates understanding of meeting content, and improves the performance of video and audio by separate processing. The processing efficiency of data, while ensuring the synchronous transmission and output of video and audio, avoids the problem of unsynchronized sound and image information, and facilitates viewing meeting records at any time through cloud disk storage, which increases storage space. Speaking at the same time leads to confusion, improves order, and improves the efficiency and quality of the meeting.
Description
Technical Field
The invention relates to the technical field of video conferences, in particular to a wireless video conference system for intelligent building construction management.
Background
At present, after the construction of a building labor service main body is finished, intelligent construction deployment and control are needed to be carried out on the interior of a building, when intelligent construction deployment and control are carried out, intelligent building construction management needs to be carried out, according to relevant data statistics, the difference travel fees for meeting, training, recruitment and cooperation in different places of intelligent building construction management enterprises which operate in a cross-region mode on average occupy a great proportion of the whole operation cost of the enterprises every year, one small and medium-sized enterprise can reach hundreds of thousands, more enterprises of branch organizations can reach millions, so that a video conference system can be completely built at high cost, meetings can be held at any time, and visible communication is realized.
With the development of society, the application of the video conference system is increasingly popularized. Video conferencing is a multimedia communication method that utilizes television technology and equipment to hold a conference over a communication network. When a video conference is held, the conference representatives in two or more different places can hear the sound of the opposite party and see the image of the opposite party, and can see the scene of the conference room of the opposite party and the real objects, pictures, forms, files and the like displayed in the conference, thereby shortening the distance between the conference representatives, enhancing the atmosphere of the conference, leading people to participate in the conference just like the same place, and obviously improving the working efficiency.
The video conference is a novel conference mode appearing in the network era, the data and image transmission function of the video conference is irreplaceable in the traditional conference, and along with the popularization of the network and the continuous development of the image technology in recent years, the application of a video conference system is developed from a simple conference to various interactive video applications based on the network, such as private network scheduling and management, sales and popularization, emergency rescue, battle command, remote education, remote medical treatment, remote collaboration, remote recruitment and the like, so that good economic benefits and social benefits are brought to various industries.
The existing wireless video conference system has the advantages that sound and image transmission are asynchronous, the communication effect is poor, the conference effect is reduced, the decision of an enterprise is influenced, due to the fact that speaking is out of order in the conference, the conference site is disordered at some moments, the conference effect is reduced, when the languages of two parties of the conference are not communicated, translation personnel are needed to translate, the conference time is prolonged, the cost is improved, the conference records are stored in a hard disk storage mode mostly, the storage space is small, the conference records cannot be played back at any time, and aiming at the current situation of the current video conference, the wireless video conference system for intelligent building construction management is provided and used for solving the problems.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an intelligent wireless video conference system for building construction management.
The invention provides an intelligent wireless video conference system for building construction management, which comprises an audio module for voice acquisition, conversion, transcoding, translation and output, a video module for picture acquisition, compression, transcoding optimization and output, a main control module for controlling file transmission, speaking and audio and video coordination, a data transmission module for data transmission and a data storage module for data storage and retrieval, wherein the audio module and the video module are both in communication connection with the main control module, the main control module and the data transmission module are in communication connection, the data transmission module and the data storage module are in network connection with the Internet, the audio module comprises a voice input module for voice acquisition, a voice pre-processing module for converting voice signals into digital signals, a voice pre-processing module for processing voice signals, a voice pre-processing module for processing and a voice signal pre-processing module for voice signals, The voice processing system comprises a voice data coding module for transcoding a digital signal, a voice post-processing module for converting the digital signal into a voice signal and reducing noise, a translation module for translating different languages, a voice conversion module for converting the translated languages into subtitles, a voice output module for outputting voice, and a voice amplifying module for adjusting the sound size, wherein the voice input module is in communication connection with the voice pre-processing module, the voice pre-processing module is in communication connection with the voice data coding module, the voice coding module is in communication connection with the voice post-processing module, the voice output module and the translation module are in communication connection with the voice post-processing module, the translation module is in communication connection with the voice conversion module, the voice conversion module is in communication connection with the voice output module, and the voice output module is electrically connected with the voice amplifying module, the video module comprises an image acquisition module for image acquisition, a light source supplement module for supplementing light, an image acquisition control module for adjusting the image acquisition module and the light source supplement module, an image preprocessing module for digitally compressing acquired images, an image coding module for transcoding digitally compressed digital signals of the images, an image postprocessing module for decompressing and optimizing the images, and an image output module for video playing, wherein the light source supplement module and the image acquisition module are both in communication connection with the image acquisition control module, the image acquisition module and the image preprocessing module are in communication connection, the image preprocessing module and the image data coding module are in communication connection, the image data coding module and the image postprocessing module are in communication connection, and the image postprocessing module and the image output module are in communication connection, the main control module comprises a data exchange module for receiving and sending data, an audio and video adjusting module for synchronizing audio and video, a PC (personal computer) end module for recording, summarizing and personal operation of a conference, a file transmission module for transmitting and scanning files, a PC end speaking module for speaking in the conference and a speaking coordination module for preventing speaking conflict, wherein the audio and video adjusting module, the PC end module and the file transmission module are all in communication connection with the data exchange module, the PC end speaking module and the PC end module are in communication connection, the PC end speaking module and the speaking coordination module are in communication connection, the data transmission module comprises a fault detection alarm module, a data coordination module for diagnosing a fault source, a data safety module for protecting data and a wireless data transmission module for network transmission, and the fault alarm module, The data coordination module, the data security module and the wireless data transmission module are all in communication connection, the data storage module comprises a data error correction module for correcting data errors, a hard disk storage module for storing data, a cloud storage module, a data classification module for classified storage of data, a data retrieval module for searching data and a data format conversion module for converting data formats, and the hard disk storage module, the data error correction module, the cloud storage module, the data classification module, the data retrieval module and the data format conversion module are all in communication connection.
Preferably, the translation module supports translation of a plurality of languages including chinese, english, russian, italian, japanese and korean.
Preferably, the voice conversion module is in communication connection with the image output module.
Preferably, the speech coordination module is configured to coordinate speech of the PC speech module, and arrange the speech according to a sequence in which the speaker starts the PC speech module, so that the speaker makes speech in the sequence.
Preferably, the audio and video adjusting module is configured to adjust an output sequence of the voice and the image, so that the image and the voice are played synchronously after corresponding.
Preferably, the wireless data transmission module supports multiple transmission modes, including WiFi, bluetooth, ZigBee, and 4G.
Preferably, the voice data coding module and the image data coding module are both in communication connection with the audio and video adjusting module.
Preferably, the image acquisition control module is used for controlling the angle and definition of the image acquired by the image acquisition module.
Preferably, the data classification module is used for classifying the data, storing the classified data into the hard disk storage module and the cloud storage module, and feeding the classified data back to the data retrieval module.
Preferably, the PC side speaking module is in communication connection with the voice input module.
When the invention is used, a speaker starts a speaking module at a PC end, then speaking is carried out according to the sequence of the arrangement of the speaking coordination module, voice acquisition is carried out through a language input module, then an acquired voice signal is converted into a digital signal through a voice pre-processing module, the digital signal is transcoded through a voice data coding module and then is transmitted to an audio video adjusting module, the image acquisition module is adjusted through an image acquisition control module according to the actual condition, images in different directions are conveniently acquired, when the light is insufficient, the image acquisition control module controls a light source supplement module to work, sufficient illumination is provided, the quality of the acquired images is improved, the acquired images are digitally compressed through the image pre-processing module, then the digital data are transcoded through the image data coding module and then are transmitted to the audio video adjusting module, the audio and video adjusting module adjusts the sequence of outputting the voice and the image to enable the image and the voice to be synchronous, the image and the voice are transmitted to the data transmission module through the data exchange module, the data transmission module transmits the data to the data storage module, the data storage module stores the data, the data transmission module is connected with the data transmission module at the other end through the Internet and transmits and exchanges the data through the Internet, the data transmission module transmits the received data to the data storage module and transmits the data to the audio and video adjusting module through the data exchange module, the data are transcoded through the image data encoding module, the transcoded image is decompressed and optimized through the image post-processing module, the quality of the output image is improved, the output is performed through the image output module, and the voice data encoder transcodes the data, then the digital signal is converted into a voice signal by the voice post-processing module and is subjected to noise reduction, then the voice signal is played by the voice output module, the volume is adjusted by the voice amplifying module, the conference quality is prevented from being reduced due to too low volume, meanwhile, the voice is translated into the required language by the translation module, so that the translated voice is converted into characters by the voice conversion module, then the characters are output by the image output module to be converted into subtitles, various languages are conveniently converted, the conference communication with people in other countries is facilitated, the applicability is improved, the file is scanned and conveyed by the file transmission module, the data is conveniently transmitted during the conference, the conference effect is improved, the conference content and summary are conveniently recorded by the PC end module, during the data transmission, the fault detection and early warning are continuously carried out by the fault alarm module and are fed back to the data coordination module, and the fault source is diagnosed by the data coordination module, the data security module protects the data security and prevents the data from being stolen, the wireless transmission module transmits the data to the Internet, the data error is corrected by the data error correction module, then the data is classified and stored to the hard disk storage module and the cloud storage module by the data classification module, the cloud storage module is convenient for replaying the conference record at any time, the hard disk storage module is convenient for backing up the data and feeding the data back to the data retrieval module, the data is convenient to search, the data retrieval efficiency is improved, the data is converted into a required format by the data format conversion module and is convenient to use, the conference system saves the conference expenses and time, improves the timeliness, facilitates the translation and display of different languages by arranging the translation module and the voice conversion module, improves the applicability, is convenient to understand the conference content, and improves the data processing efficiency by separately processing the video and the audio, the synchronous transmission and the output of video and audio are guaranteed simultaneously, the problem that sound and image information are not synchronous is avoided, conference records can be conveniently watched at any time through cloud disk storage, storage space is increased, confusion caused by simultaneous speaking is avoided by arranging the speaking coordination module, order is improved, and efficiency and quality of a conference are improved.
Drawings
Fig. 1 is a block diagram of a wireless video conference system for intelligent building construction management according to the present invention.
Fig. 2 is a block diagram of an audio module of the wireless video conference system for intelligent building construction management according to the present invention.
Fig. 3 is a block diagram of a video module of the wireless video conference system for intelligent building construction management according to the present invention.
Fig. 4 is a block diagram of a main control module of the wireless video conference system for intelligent building construction management according to the present invention.
Fig. 5 is a block diagram of a data transmission module of the wireless video conference system for intelligent building construction management according to the present invention.
Fig. 6 is a block diagram of a data storage module of the wireless video conference system for intelligent building construction management according to the present invention.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1-6, the wireless video conference system for intelligent building construction management provided by the invention comprises an audio module for voice collection, conversion, transcoding, translation and output, a video module for picture collection, compression, transcoding optimization and output, a main control module for controlling file transmission, speaking and audio and video coordination, a data transmission module for transmitting data, and a data storage module for storage and retrieval, wherein the audio module and the video module are both in communication connection with the main control module, the main control module and the data transmission module are in communication connection, the data transmission module and the data storage module are in network connection with the internet, the audio module and the video module adjust and synchronize collected voice and pictures through the main control device and then transmit the collected voice and pictures through the data transmission device and the internet, meanwhile, the data is stored through the data storage module, so that the data is played through the audio module and the video module at the other end;
the audio module comprises a voice input module for collecting voice, a voice pre-processing module for converting a voice signal into a digital signal, a voice data coding module for transcoding the digital signal, a voice post-processing module for converting the digital signal into the voice signal and reducing noise, a translation module for translating different languages, a voice conversion module for converting the translated languages into subtitles, a voice output module for outputting voice, a voice amplifying module for adjusting the sound size, the voice input module and the voice pre-processing module are in communication connection, the voice pre-processing module and the voice data coding module are in communication connection, the voice coding module and the voice post-processing module are in communication connection, the voice output module and the translation module are in communication connection with the voice post-processing module, and the translation module and the voice conversion module are in communication connection, the voice conversion module is in communication connection with the voice output module, the voice output module is electrically connected with the voice amplifying module, voice collection is carried out through the voice input module, collected voice signals are converted into digital signals through the voice pre-processing module, the digital signals are transcoded through the voice data coding module, data are transcoded through the transmitted voice data coder, the digital signals are converted into the voice signals through the voice post-processing module and subjected to noise reduction, the voice signals are played through the voice output module, the volume is adjusted through the voice amplifying module, the situation that the volume is too low and the conference quality is reduced is prevented, and meanwhile, voice is translated through the translation module;
the video module comprises an image acquisition module for image acquisition, a light source supplement module for supplementing light, an image acquisition control module for adjusting the image acquisition module and the light source supplement module, an image preprocessing module for digitally compressing the acquired image, an image coding module for transcoding the digitally compressed digital signal of the image, an image postprocessing module for decompressing and optimizing the image, and an image output module for video playing, wherein the light source supplement module and the image acquisition module are both in communication connection with the image acquisition control module, the image acquisition module is in communication connection with the image preprocessing module, the image preprocessing module is in communication connection with the image data coding module, the image data coding module is in communication connection with the image postprocessing module, and the image postprocessing module is in communication connection with the image output module, the image acquisition control module is adjusted according to actual conditions, images in different directions can be conveniently acquired, when light is insufficient, the image acquisition control module controls the light source supplement module to work, sufficient illumination is provided, the quality of the acquired images is improved, the acquired images are digitally compressed through the image pre-processing module, then digital data are transcoded through the image data encoding module, the transmitted image data are transcoded through the image data encoding module, the transcoded images are decompressed and optimized through the image post-processing module, the quality of output images is improved, and then the transcoded images are output through the image output module;
the main control module comprises a data exchange module for receiving and sending data, an audio and video adjusting module for synchronizing audio and video, a PC end module for recording, summarizing and personal operation of a conference, a file transmission module for transmitting and scanning files, a PC end speaking module for speaking in the conference and a speaking coordination module for preventing speaking conflict, wherein the audio and video adjusting module, the PC end module and the file transmission module are all in communication connection with the data exchange module, the PC end speaking module and the PC end module are in communication connection, the PC end speaking module and the speaking coordination module are in communication connection, the audio and video adjusting module adjusts the output sequence of voice and images to synchronize the images and the voice, then the images and the voice are transmitted to the data transmission module through the data exchange module, the files are scanned and transmitted through the file transmission module to facilitate data transmission during the conference, the conference effect is improved, and the conference content and summary can be conveniently recorded through the PC end module;
the data transmission module comprises a fault detection alarm module, a data coordination module for diagnosing a fault source, a data safety module for protecting data and a wireless data transmission module for network transmission, wherein the fault detection alarm module, the data coordination module, the data safety module and the wireless data transmission module are all in communication connection, fault detection and early warning are continuously carried out through the fault detection alarm module and are fed back to the data coordination module, the fault source is diagnosed through the data coordination module, data safety is protected through the data safety module to prevent data from being stolen, and the data are transmitted to the Internet through the wireless transmission module;
the data storage module comprises a data error correction module for correcting data errors, a hard disk storage module for storing data, a cloud storage module, a data classification module for classifying and storing data, a data retrieval module for searching data and a data format conversion module for converting data formats, and the hard disk storage module, the data error correction module, the cloud storage module, the data classification module, the data retrieval module and the data format conversion module are all in communication connection.
In the invention, the translation module supports translation of multiple languages, wherein the languages comprise Chinese, English, Russian, Italian, Japanese and Korean, and the wireless data transmission module supports multiple transmission modes, wherein the transmission modes comprise WiFi, Bluetooth, ZigBee and 4G.
According to the invention, the voice conversion module and the image output module are in communication connection, so that converted subtitles can be conveniently displayed, the voice data coding module and the image data coding module are in communication connection with the audio and video adjusting module, the audio and video adjusting module adjusts the output sequence of voice and images to enable the images and the voice to be synchronous, and the PC-side speech module is in communication connection with the voice input module so that the speech of a speaker can be conveniently collected and collected.
The invention relates to a voice recognition system, which comprises a voice coordination module, an audio and video adjustment module, an image acquisition control module, a data classification module and a data retrieval module, wherein the voice coordination module is used for coordinating the voice of a PC (personal computer) speaking module and arranging according to the sequence of starting the PC speaking module by a speaker so that the speaker can speak in sequence, the audio and video adjustment module is used for adjusting the output sequence of voice and images so that the images are played synchronously after corresponding to the voice, the image acquisition control module is used for controlling the angle and the definition of the images acquired by the image acquisition module, and the data classification module is used for classifying the data, storing the data into a hard disk storage module and a cloud storage module and feeding the data back to the data retrieval module.
When the invention is used, a speaker starts a speaking module at a PC end, then speaking is carried out according to the sequence of the arrangement of the speaking coordination module, voice acquisition is carried out through a language input module, then an acquired voice signal is converted into a digital signal through a voice pre-processing module, the digital signal is transcoded through a voice data coding module and then is transmitted to an audio video adjusting module, the image acquisition module is adjusted through an image acquisition control module according to the actual condition, images in different directions are conveniently acquired, when the light is insufficient, the image acquisition control module controls a light source supplement module to work, sufficient illumination is provided, the quality of the acquired images is improved, the acquired images are digitally compressed through the image pre-processing module, then the digital data are transcoded through the image data coding module and then are transmitted to the audio video adjusting module, the audio and video adjusting module adjusts the sequence of outputting the voice and the image to enable the image and the voice to be synchronous, the image and the voice are transmitted to the data transmission module through the data exchange module, the data transmission module transmits the data to the data storage module, the data storage module stores the data, the data transmission module is connected with the data transmission module at the other end through the Internet and transmits and exchanges the data through the Internet, the data transmission module transmits the received data to the data storage module and transmits the data to the audio and video adjusting module through the data exchange module, the data are transcoded through the image data encoding module, the transcoded image is decompressed and optimized through the image post-processing module, the quality of the output image is improved, the output is performed through the image output module, and the voice data encoder transcodes the data, then the digital signal is converted into a voice signal by the voice post-processing module and is subjected to noise reduction, then the voice signal is played by the voice output module, the volume is adjusted by the voice amplifying module, the conference quality is prevented from being reduced due to too low volume, meanwhile, the voice is translated into the required language by the translation module, so that the translated voice is converted into characters by the voice conversion module, then the characters are output by the image output module to be converted into subtitles, various languages are conveniently converted, the conference communication with people in other countries is facilitated, the applicability is improved, the file is scanned and conveyed by the file transmission module, the data is conveniently transmitted during the conference, the conference effect is improved, the conference content and summary are conveniently recorded by the PC end module, during the data transmission, the fault detection and early warning are continuously carried out by the fault alarm module and are fed back to the data coordination module, and the fault source is diagnosed by the data coordination module, protect data security through data security module, prevent that data from being stolen, through wireless transmission module with data transmission to internet, correct the data error through data error correction module, then through data classification module with data classification storage to hard disk storage module and cloud storage module, cloud storage module conveniently plays back the meeting record at any time, hard disk storage module conveniently backs up data, and feed back to data retrieval module, conveniently look for data, improve data retrieval efficiency, through data format conversion module with the required format of data conversion, facilitate the use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
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Cited By (5)
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| CN115412702A (en) * | 2022-08-31 | 2022-11-29 | 深圳华望技术有限公司 | Conference terminal and video wall integrated equipment and system |
| CN115662437A (en) * | 2022-12-28 | 2023-01-31 | 广州市保伦电子有限公司 | A Speech Transcription Method in the Scenario of Simultaneous Use of Multiple Microphones |
| CN115866189A (en) * | 2023-03-01 | 2023-03-28 | 吉视传媒股份有限公司 | A method for secure transmission of video data in cloud conference |
| CN119028355A (en) * | 2024-10-22 | 2024-11-26 | 成都太阳高科技有限责任公司 | A construction command and communication system based on intelligent voice interaction |
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| CN115662437A (en) * | 2022-12-28 | 2023-01-31 | 广州市保伦电子有限公司 | A Speech Transcription Method in the Scenario of Simultaneous Use of Multiple Microphones |
| CN115662437B (en) * | 2022-12-28 | 2023-04-18 | 广东保伦电子股份有限公司 | Voice transcription method under scene of simultaneous use of multiple microphones |
| CN115866189A (en) * | 2023-03-01 | 2023-03-28 | 吉视传媒股份有限公司 | A method for secure transmission of video data in cloud conference |
| CN115866189B (en) * | 2023-03-01 | 2023-05-16 | 吉视传媒股份有限公司 | Video data safety transmission method for cloud conference |
| CN119028355A (en) * | 2024-10-22 | 2024-11-26 | 成都太阳高科技有限责任公司 | A construction command and communication system based on intelligent voice interaction |
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