CN103560836A - Sound wave wireless communication method and device - Google Patents
Sound wave wireless communication method and device Download PDFInfo
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- CN103560836A CN103560836A CN201310527691.6A CN201310527691A CN103560836A CN 103560836 A CN103560836 A CN 103560836A CN 201310527691 A CN201310527691 A CN 201310527691A CN 103560836 A CN103560836 A CN 103560836A
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Abstract
The invention relates to a sound wave wireless communication method and device. The sound wave wireless communication method comprises the steps that a sending end converts a file into byte streams according to a preset encoding rule; the byte streams are mapped to corresponding sound wave frequency trigger signals; sound wave signals are sent out according to the sound wave frequency trigger signals; a receiving end receives the sound wave signals and converts the sound wave signals into the sound wave frequency trigger signals; the sound wave frequency trigger signals are decoded to the corresponding byte streams; the byte streams are restored to the file according to a preset decoding rule. According to the sound wave wireless communication method and device, a loud speaker is used for conducting direct file transmission between the sending end and the receiving end through the sound wave signals, a central server is omitted, specific hardware sending-and-receiving modules such as a Bluetooth module and a WIFI module are not needed, therefore, data can be transmitted and information can be shared conveniently in real time, limitation from network hardware and network environment is avoided, and the use experience of convenient communication is brought to a user.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of sound wave wireless communications method and device.
Background technology
At present, between existing electronic equipment, mainly contain following two kinds of Information Sharing modes:
1, rely on Internet service mode (sharing circle of friends etc. by QQ space, micro-letter);
2, rely on wireless receiving and dispatching hardware device mode (bluetooth is shared, NFC, WIFI are direct-connected etc.).Mode 1 need to rely on the central server on the Internet, if lose network, connects, and cannot carry out.2 needs of scheme rely on and in both sides' handheld device, all contain specific hardware transceiver module and just can carry out, and need to first mate connection, have greatly limited convenience and the real-time of file transfer, cannot meet people's various demands.
Summary of the invention
Main purpose of the present invention is, for above-mentioned deficiency of the prior art, provides a kind of sound wave wireless communications method and device, and it utilizes sound wave to carry out file transfer and information sharing medium, and being has greatly increased the convenience and the real-time of sharing that use.
For achieving the above object, the present invention by the following technical solutions.
The invention provides a kind of sound wave wireless communications method, for transmitting terminal by acoustic signals by file transfer to receiving terminal, comprise the following steps:
A, transmitting terminal are converted to byte stream according to predictive encoding rule by described file;
B, described byte stream is mapped to corresponding frequency of sound wave triggering signal;
C, according to described frequency of sound wave triggering signal, send acoustic signals;
D, receiving terminal receive described acoustic signals, and convert described acoustic signals to described frequency of sound wave triggering signal;
E, described frequency of sound wave triggering signal is decoded into corresponding byte stream;
F, the default decoding rule of basis are reduced into described file by byte stream,
The type of described file is text, picture, audio frequency, video or network address.
Preferably, step a specifically comprises:
Described transmitting terminal is analyzed described file, and identification file type, and dissimilar according to file, convert described file to different byte stream, and described byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
Preferably, the described step that byte stream is mapped to corresponding frequency of sound wave triggering signal specifically comprises:
Described byte stream comprises a plurality of bytes, the corresponding frequency range of each byte within the scope of 20Hz ~ 20KHz, the duration control signal that is 50ms, described byte stream is mapped to the frequency of sound wave triggering signal being comprised of described control signal.
Preferably, described receiving terminal receives acoustic signals, and the step that described acoustic signals converts described frequency of sound wave triggering signal to is specifically comprised:
Every the scheduled time, receive once described acoustic signals, according to the frequency of the acoustic signals of receiving and duration, whether drop in corresponding confidential interval, acoustic signals is converted into frequency of sound wave triggering signal.
Preferably, the step that the default decoding rule of described basis is reduced into described file by byte stream specifically comprises:
Described byte stream comprises information format position, according to described information format position, and the mode of file described in selective reduction, described reduction mode is reduction or the direct-reduction of decompressing.
Invention a kind of sound wave radio communication device is also provided, comprise transmitting terminal and receiving terminal, for transmitting terminal by acoustic signals by file transfer to receiving terminal, it is characterized in that, described transmitting terminal comprises:
Coding module, for being converted to byte stream according to predictive encoding rule by described file;
Modulation treatment module, for being mapped to described byte stream corresponding frequency of sound wave triggering signal;
Acoustic emission module, for sending acoustic signals according to described frequency of sound wave triggering signal;
Described receiving terminal comprises:
Sound wave receiver module, for receiving described acoustic signals, and converts this acoustic signals to described frequency of sound wave triggering signal;
Demodulation process module, for being decoded into corresponding byte stream by described frequency of sound wave triggering signal;
Decoder module, for according to default decoding rule, byte stream being reduced into described file,
The type of described file is text, picture, audio frequency, video or network address.
Preferably, described coding module specifically for:
Described file is analyzed, and identification file type, and dissimilar according to file, convert described file to different byte stream, and described byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
Preferably, described modulation treatment module specifically for:
Described byte stream comprises a plurality of bytes, the corresponding frequency range of each byte within the scope of 20Hz ~ 20KHz, the duration control signal that is 50ms, described byte stream is mapped to the frequency of sound wave triggering signal being comprised of described control signal.
Preferably, described sound wave receiver module specifically for:
Every the scheduled time, receive once described acoustic signals, according to the frequency of the acoustic signals of receiving and duration, whether drop in corresponding confidential interval, acoustic signals is converted into frequency of sound wave triggering signal.
Preferably, described decoder module specifically for:
Described byte stream comprises information format position, according to described information format position, and the mode of file described in selective reduction, described reduction mode is reduction or the direct-reduction of decompressing.
The present invention has the following advantages:
The present invention utilizes acoustic signals directly to carry out file transfer at transmitting terminal and receiving terminal by loud speaker, saved central server, also without the specific hardware transceiver module such as bluetooth, WIFI, thereby can be easily, transmit in real time data and shared information, can not be limited to the network hardware and network environment, to user, bring experience very easily yet.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of sound wave wireless communications method in the embodiment of the present invention one.
Fig. 2 is the structural representation of sound wave radio communication device in the embodiment of the present invention two.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Below with reference to drawings and the specific embodiments, describe technical scheme of the present invention in detail, so as clearer, understand invention essence of the present invention intuitively.
Embodiment mono-:
Shown in Fig. 1, the present embodiment provides a kind of sound wave wireless communications method, is suitable for by acoustic signals, carrying out file transfer between transmitting terminal and receiving terminal, realizes transfer of data and information sharing, and this transmitting terminal and receiving terminal are hand-held electronic equipment.This sound wave wireless communications method mainly comprises the following steps:
A, transmitting terminal are converted to byte stream according to predictive encoding rule by file;
B, byte stream is mapped to corresponding frequency of sound wave triggering signal;
C, according to frequency of sound wave triggering signal, send acoustic signals;
D, receiving terminal receive acoustic signals, and convert acoustic signals to frequency of sound wave triggering signal;
E, frequency of sound wave triggering signal is decoded into corresponding byte stream;
F, the default decoding rule of basis are reduced into file by byte stream.
The type of above-mentioned file can be text, picture, audio frequency, video or internet address.
In step a, transmitting terminal is converted to byte stream according to predictive encoding rule by file, concrete steps are: transmitting terminal is analyzed file, the type of identification file, and dissimilar according to file, convert file to different byte stream, this byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
In step b, byte stream is mapped to corresponding frequency of sound wave triggering signal to be referred to: above-mentioned byte stream comprises a plurality of bytes, the corresponding frequency range of each byte among 20Hz ~ 20KHz, the duration is the control signal about 50ms, this byte stream is mapped to the frequency of sound wave triggering signal being comprised of this control signal.
The sound wave (can listen ripple) of the present embodiment proportion scope in 1KHz ~ 10KHz is as file transfer medium, and people's ear can be heard, can know document transmission process, to understand easily whether transmission success of file, and end of transmission whether.At present the tranmitting frequency of the hand-held electronic equipment of main flow is generally 20Hz ~ 20KHz, but it should be understood that the frequency of sound wave within the scope of other that the present embodiment is equally applicable to that this scope and hand-held electronic equipment can launch.
In the present embodiment, a different byte streams frequency of sound wave triggering signal corresponding to different frequency scope, and it is irrelevant with the loudness of sound wave, also this frequency of sound wave triggering signal only comprises the frequency information of sound wave, the information volume that does not comprise sound wave, this is because the distance of transmitting terminal and receiving terminal has very large uncertainty, so the volume of acoustic signals (amplitude of loud speaker) is not considered.
In step c, according to frequency of sound wave triggering signal, send acoustic signals, specifically, transmitting terminal is provided with corresponding handling procedure, this program can be according to above-mentioned frequency of sound wave triggering signal, the loud speaker of Automatically invoked transmitting terminal, sends the corresponding acoustic signals of above-mentioned frequency of sound wave triggering signal by this loud speaker, comprises the duration that corresponding frequency of sound wave and acoustic signals are corresponding.
In steps d, whether receiving terminal receives once above-mentioned acoustic signals every the scheduled time, according to the frequency of the acoustic signals of receiving and duration, drop in corresponding confidential interval, and acoustic signals is converted into frequency of sound wave triggering signal.Whether be specially, receiving terminal is sampled to voice signal, according to the frequency of the acoustic signals of receiving and duration, drop in the confidential interval of respective value, and acoustic signals is converted into digital signal (being frequency of sound wave triggering signal).Such as the confidential interval of duration is 45ms-55ms, the confidential interval of frequency f is [f-50HZ, f+50HZ], if receive that a duration is 52ms, frequency is all at ［ 1000HZ-50HZ, 1000HZ+50HZ] acoustic signals in scope, the corresponding digital signal that generates a byte.
In step e, frequency of sound wave triggering signal is decoded into corresponding byte stream, be specially, the frequency of sound wave triggering signal receiving in every 50ms is decoded, convert corresponding byte stream to, and judge that whether this byte stream is complete.In the present embodiment, the form of each byte stream is: gauge initial code (1byte=0xaa)+information format (1byte)+message length (4bytes)+specifying information content+CRC check code (4bytes)+gauge stop code (1byte=0xff), therefore, judge that the method whether byte stream is complete is very simple, only need checking gauge initial code and gauge stop code whether complete, if gauge initial code and gauge stop code are complete, show that byte stream is complete, if checking gauge initial code or gauge stop code disappearance, show that byte stream is imperfect, need abandon again and receive, until complete.
Finally, completing steps f, receiving terminal is reduced into file according to default decoding rule by byte stream.
This step f specifically comprises:
Byte stream comprises a plurality of bytes, and each byte forms by binary number, and comprising information format position, receiving terminal can be according to this information format position, the mode of selective reduction file, and described reduction mode comprises decompress reduction or direct-reduction.If while comprising the code that the file in this byte stream of expression is compressed file in information format position, select the reduction that decompresses, and adopt corresponding algorithm to carry out decompress(ion), obtain the file of ZIP form; If do not comprise this code, adopt the mode of direct-reduction to reduce this document, obtain text, picture, audio frequency, video or hyperlink network address file.
By above each step, between transmitting terminal and receiving terminal, just can utilize acoustic signals to realize file transfer and information sharing.For text, picture, Voice & Video file, the transmitting procedure of the present embodiment can realize according to above-mentioned principle.And while being network address for file type, its sharing principle is summarized as follows:
For example, the user of transmitting terminal finds one from the picture of http://xxxx/xxx.jpg, and hope is shared with other people of periphery.
Transmitting terminal does not read the immediate data of picture and carries out acoustic coded again, but the network address on Internet " http://xxxx/xxx.jpg " is carried out acoustic coded by it, " information format " inner classification of indicating of byte stream, tells this acoustic signals of receiving terminal need to open the full backup of network address ability.
Receiving terminal obtains after acoustic signals, by analyzing, knows that the file of receiving not can be directly passed to the content of upper level applications, but network address, therefore receiving terminal can, according to protocol instructions, be opened network address http://xxxx/xxx.jpg; Successfully read after corresponding image data, then be submitted to upper level applications displaying.And as the user of transmitting terminal or receiving terminal, can not perceive two kinds of differences of sharing in the experience that mode brings.
Embodiment bis-:
Shown in Fig. 2, the present embodiment provides a kind of sound wave radio communication device, and it comprises transmitting terminal 1 and receiving terminal 2, for transmitting terminal 1 by acoustic signals by file transfer to receiving terminal 2.Wherein, transmitting terminal 1 comprises:
Coding module 11, for being converted to byte stream according to predictive encoding rule by file;
Modulation treatment module 12, for being mapped to byte stream corresponding frequency of sound wave triggering signal;
Acoustic emission module 13, for sending acoustic signals according to frequency of sound wave triggering signal;
Receiving terminal 2 comprises:
Sound wave receiver module 21, for receiving acoustic signals, and converts this acoustic signals to frequency of sound wave triggering signal;
Demodulation process module 22, for being decoded into corresponding byte stream by frequency of sound wave triggering signal;
Decoder module 23, for according to default decoding rule, byte stream being reduced into file,
The type of above-mentioned file is text, picture, audio frequency, video or network address.
Above-mentioned coding module 11 specifically for:
File is analyzed, and identification file type, and dissimilar according to file, convert file to different byte stream, and byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
Above-mentioned modulation treatment module 12 specifically for:
Byte stream comprises a plurality of bytes, the corresponding frequency range of each byte within the scope of 20Hz ~ 20KHz, the duration control signal that is 50ms, byte stream is mapped to the frequency of sound wave triggering signal being comprised of control signal.
At present the tranmitting frequency of the hand-held electronic equipment of main flow is generally 20Hz ~ 20KHz, but it should be understood that the frequency of sound wave within the scope of other that the present embodiment is equally applicable to that this scope and hand-held electronic equipment can launch.
Above-mentioned acoustic emission module 13 specifically for:
According to frequency of sound wave triggering signal, send acoustic signals, specifically, acoustic emission module 13 can be according to above-mentioned frequency of sound wave triggering signal, the loud speaker of Automatically invoked transmitting terminal 1, by this loud speaker, send the corresponding acoustic signals of above-mentioned frequency of sound wave triggering signal, this acoustic signals comprises corresponding frequency of sound wave and duration corresponding to acoustic signals.
Above-mentioned sound wave receiver module 21 specifically for:
Every the scheduled time, receive an acoustic signals, according to the frequency of the acoustic signals of receiving and duration, whether drop in corresponding confidential interval, acoustic signals is converted into frequency of sound wave triggering signal.
Above-mentioned demodulation process module 22 specifically for:
Byte stream corresponding to the frequency of sound wave triggering signal receiving in every 50ms convert to.
Be specially, the frequency of sound wave triggering signal receiving in every 50ms is decoded, convert corresponding byte stream to, and judge that whether this byte stream is complete.In the present embodiment, the form of each byte stream is: gauge initial code (1byte=0xaa)+information format (1byte)+message length (4bytes)+specifying information content+CRC check code (4bytes)+gauge stop code (1byte=0xff), therefore, judge that the method whether byte stream is complete is very simple, only need checking gauge initial code and gauge stop code whether complete, if gauge initial code and gauge stop code are complete, show that byte stream is complete, if checking gauge initial code or gauge stop code disappearance, show that byte stream is imperfect, need abandon again and receive, until complete.
After the acoustic signals having received, decoder module 23 can be reduced into file by byte stream according to default decoding rule, realizes the function of file transfer.
The process that decoder module 23 is reduced into file by byte stream is achieved in that
Byte stream comprises a plurality of bytes, and each byte forms by binary number, and comprising information format position, receiving terminal can be according to this information format position, the mode of selective reduction file, and described reduction mode comprises decompress reduction or direct-reduction.If while comprising the code that the file in this byte stream of expression is compressed file in information format position, select the reduction that decompresses, and adopt corresponding algorithm to carry out decompress(ion), obtain the file of ZIP form; If do not comprise this code, adopt the mode of direct-reduction to reduce this document, obtain text, picture, audio frequency, video or hyperlink network address file.
In sum, the present invention utilizes acoustic signals directly to carry out file transfer at transmitting terminal and receiving terminal by loud speaker, saved central server, also without the specific hardware transceiver module such as bluetooth, WIFI, thereby can be easily, transmit in real time data and shared information, also can not be limited to the network hardware and network environment, to user, bring experience very easily.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a sound wave wireless communications method, for transmitting terminal by acoustic signals by file transfer to receiving terminal, it is characterized in that, comprise the following steps:
A, transmitting terminal are converted to byte stream according to predictive encoding rule by described file;
B, described byte stream is mapped to corresponding frequency of sound wave triggering signal;
C, according to described frequency of sound wave triggering signal, send acoustic signals;
D, receiving terminal receive described acoustic signals, and convert described acoustic signals to described frequency of sound wave triggering signal;
E, described frequency of sound wave triggering signal is decoded into corresponding byte stream;
F, the default decoding rule of basis are reduced into described file by byte stream,
The type of described file is text, picture, audio frequency, video or network address.
2. sound wave wireless communications method as claimed in claim 1, is characterized in that, step a specifically comprises:
Described transmitting terminal is analyzed described file, and identification file type, and dissimilar according to file, convert described file to different byte stream, and described byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
3. sound wave wireless communications method as claimed in claim 2, is characterized in that, the described step that byte stream is mapped to corresponding frequency of sound wave triggering signal specifically comprises:
Described byte stream comprises a plurality of bytes, the corresponding frequency range of each byte within the scope of 20Hz ~ 20KHz, the duration control signal that is 50ms, described byte stream is mapped to the frequency of sound wave triggering signal being comprised of described control signal.
4. sound wave wireless communications method as claimed in claim 3, is characterized in that, described receiving terminal receives acoustic signals, and the step that described acoustic signals converts described frequency of sound wave triggering signal to is specifically comprised:
Every the scheduled time, receive once described acoustic signals, according to the frequency of the acoustic signals of receiving and duration, whether drop in corresponding confidential interval, acoustic signals is converted into frequency of sound wave triggering signal.
5. sound wave wireless communications method as claimed in claim 4, is characterized in that, the step that the default decoding rule of described basis is reduced into described file by byte stream specifically comprises:
Described byte stream comprises information format position, according to described information format position, and the mode of file described in selective reduction, described reduction mode is reduction or the direct-reduction of decompressing.
6. a sound wave radio communication device, comprises transmitting terminal and receiving terminal, for transmitting terminal by acoustic signals by file transfer to receiving terminal, it is characterized in that, described transmitting terminal comprises:
Coding module, for being converted to byte stream according to predictive encoding rule by described file;
Modulation treatment module, for being mapped to described byte stream corresponding frequency of sound wave triggering signal;
Acoustic emission module, for sending acoustic signals according to described frequency of sound wave triggering signal;
Described receiving terminal comprises:
Sound wave receiver module, for receiving described acoustic signals, and converts this acoustic signals to described frequency of sound wave triggering signal;
Demodulation process module, for being decoded into corresponding byte stream by described frequency of sound wave triggering signal;
Decoder module, for according to default decoding rule, byte stream being reduced into described file,
The type of described file is text, picture, audio frequency, video or network address.
7. sound wave radio communication device as claimed in claim 6, is characterized in that, described coding module specifically for:
Described file is analyzed, and identification file type, and dissimilar according to file, convert described file to different byte stream, and described byte stream comprises a plurality of bytes, and each byte forms by 8 bits.
8. sound wave radio communication device as claimed in claim 7, is characterized in that, described modulation treatment module specifically for:
Described byte stream comprises a plurality of bytes, the corresponding frequency range of each byte within the scope of 20Hz ~ 20KHz, the duration control signal that is 50ms, described byte stream is mapped to the frequency of sound wave triggering signal being comprised of described control signal.
9. sound wave radio communication device as claimed in claim 8, is characterized in that, described sound wave receiver module specifically for:
Every the scheduled time, receive once described acoustic signals, according to the frequency of the acoustic signals of receiving and duration, whether drop in corresponding confidential interval, acoustic signals is converted into frequency of sound wave triggering signal.
10. sound wave radio communication device as claimed in claim 9, is characterized in that, described decoder module specifically for:
Described byte stream comprises information format position, according to described information format position, and the mode of file described in selective reduction, described reduction mode is reduction or the direct-reduction of decompressing.
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| CN201310527691.6A CN103560836A (en) | 2013-10-31 | 2013-10-31 | Sound wave wireless communication method and device |
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| CN103840997A (en) * | 2014-03-05 | 2014-06-04 | 北京奇艺世纪科技有限公司 | Method and device for establishing network connection |
| CN104796888A (en) * | 2015-03-19 | 2015-07-22 | 北京宇音天下科技有限公司 | Method for connecting WI-FI network by intelligent hardware terminal based on sound waves and system for realizing same |
| WO2015117352A1 (en) * | 2014-08-22 | 2015-08-13 | 中兴通讯股份有限公司 | Data processing method, data sending and receiving terminal, and data transmission system |
| CN105846911A (en) * | 2016-05-23 | 2016-08-10 | 罗迎晓 | Data transmission method, device and system based on sound wave |
| CN105872076A (en) * | 2016-05-09 | 2016-08-17 | 北京泓润维斯科技有限公司 | Ultrasonic information pushing system and pushing method thereof |
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| CN106656353A (en) * | 2016-12-28 | 2017-05-10 | 北京光年无限科技有限公司 | Information transmission method and device applied to intelligent robot |
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| CN104363057B (en) * | 2014-10-31 | 2017-06-27 | 北京司响无限文化传媒有限公司 | A kind of method and system for realizing sound wave digital communication |
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| CN103840997A (en) * | 2014-03-05 | 2014-06-04 | 北京奇艺世纪科技有限公司 | Method and device for establishing network connection |
| WO2015117352A1 (en) * | 2014-08-22 | 2015-08-13 | 中兴通讯股份有限公司 | Data processing method, data sending and receiving terminal, and data transmission system |
| CN105471940A (en) * | 2014-08-22 | 2016-04-06 | 中兴通讯股份有限公司 | Data processing method, data transmitting and receiving terminal and data transmission system |
| CN104363057B (en) * | 2014-10-31 | 2017-06-27 | 北京司响无限文化传媒有限公司 | A kind of method and system for realizing sound wave digital communication |
| CN104796888A (en) * | 2015-03-19 | 2015-07-22 | 北京宇音天下科技有限公司 | Method for connecting WI-FI network by intelligent hardware terminal based on sound waves and system for realizing same |
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| CN105872076A (en) * | 2016-05-09 | 2016-08-17 | 北京泓润维斯科技有限公司 | Ultrasonic information pushing system and pushing method thereof |
| CN105846911A (en) * | 2016-05-23 | 2016-08-10 | 罗迎晓 | Data transmission method, device and system based on sound wave |
| CN106850079A (en) * | 2016-12-06 | 2017-06-13 | 微位（深圳）网络科技有限公司 | The method for pushing and system of a kind of utilization ultrasonic wave broadcast transmission of data |
| CN106656353A (en) * | 2016-12-28 | 2017-05-10 | 北京光年无限科技有限公司 | Information transmission method and device applied to intelligent robot |
| CN106656353B (en) * | 2016-12-28 | 2021-03-12 | 北京光年无限科技有限公司 | Information transmission method and device applied to intelligent robot |
| CN109344283A (en) * | 2018-08-14 | 2019-02-15 | 上海箧书网络科技有限公司 | Information interacting method and device based on background music |
| CN109274435A (en) * | 2018-08-31 | 2019-01-25 | 海南新软软件有限公司 | A kind of method, apparatus and system using technology of acoustic wave transmission digital asset address |
| CN112130616A (en) * | 2020-09-28 | 2020-12-25 | 北京小米松果电子有限公司 | Clock synchronization method, device and storage medium |
| CN112688741A (en) * | 2020-12-17 | 2021-04-20 | 维沃移动通信有限公司 | File sending method, device and equipment |
| CN112688741B (en) * | 2020-12-17 | 2022-12-02 | 维沃移动通信有限公司 | File sending method, device and equipment |
| CN114884584A (en) * | 2022-04-28 | 2022-08-09 | 上海小度技术有限公司 | Data transmission method, related device and computer program product |
| CN114884584B (en) * | 2022-04-28 | 2023-11-03 | 上海小度技术有限公司 | Data transmission method, related device and computer program product |
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Application publication date: 20140205 |