WO2013185640A1 - 音频数据传输方法 - Google Patents
音频数据传输方法 Download PDFInfo
- Publication number
- WO2013185640A1 WO2013185640A1 PCT/CN2013/077298 CN2013077298W WO2013185640A1 WO 2013185640 A1 WO2013185640 A1 WO 2013185640A1 CN 2013077298 W CN2013077298 W CN 2013077298W WO 2013185640 A1 WO2013185640 A1 WO 2013185640A1
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- WO
- WIPO (PCT)
- Prior art keywords
- audio data
- modulation
- time
- transmitted
- audio
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000003993 interaction Effects 0.000 description 20
- 230000008569 process Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
Definitions
- the present invention relates to the field of electronic technologies, and in particular, to an audio data transmission method. Background technique
- audio transmission characteristics of different mobile terminals are different. If it is required to be compatible with audio transmission characteristics of different mobile terminals, devices that communicate with the mobile terminal (for example, an electronic signature tool) need to automatically Try audio data with different modulation methods to find the most suitable modulation method for use with each different mobile terminal.
- an electronic signature tool for example, an electronic signature tool
- the object of the present invention is to at least solve one of the above technical drawbacks.
- an object of the present invention is to provide an audio data transmission method capable of quickly interfering audio data and greatly reducing the distortion of interactive data.
- an audio data transmission method includes the following steps: The first device separately modulates the audio data to be transmitted by using at least two modulation modes to generate audio data codes of at least two modulation modes. Streaming; the first device splicing the audio data stream of the at least two modulation modes into one audio data stream; and using the audio interface of the first device in a same time reference system The audio data stream is transmitted to a second device.
- audio data streams of various modulation modes can be spliced into one audio data stream for data interaction at one time, which greatly improves the success rate of data transmission, and further reduces data.
- the probability of data transmission failure due to distortion and distortion during the interaction process improves the quality of data interaction.
- the same time reference system means that: the start time and/or the end time of the time zone in which each modulation waveform is located is pre-agreed with respect to the pre-agreed reference time.
- the audio data to be transmitted is identification data in a fixed format, or transmission data containing variable content.
- the audio data code stream is formed as follows:
- the audio data to be transmitted is modulated into an analog waveform signal by a modulation mode of the first device to form an audio data code stream.
- the modulation method includes: amplitude modulation, frequency modulation, carrier modulation, or load wave modulation.
- the splicing manner is a splicing manner without time interval or a splicing manner with time interval.
- the first device is a mobile terminal
- the second device is an electronic signature tool
- FIG. 1 is a flow chart of an audio data transmission method according to an embodiment of the present invention.
- FIG. 2 is a block diagram of an audio data transmission system in accordance with an embodiment of the present invention.
- FIG. 3 is a detailed block diagram of an audio data transmission system in accordance with one embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of an audio data transmission apparatus for a mobile terminal according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of an electronic signature tool according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of the same time reference system of an audio data transmission method according to an embodiment of the present invention. detailed description
- the following disclosure provides many different embodiments or examples for implementing different structures of the present invention.
- the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention.
- the present invention may repeat reference numerals and/or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and/or arrangements discussed.
- the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.
- the structure of the first feature described below "on" the second feature may include embodiments in which the first and second features are formed in direct contact, and may include additional features formed between the first and second features. The embodiment, such that the first and second features may not be in direct contact.
- the audio data transmission method includes the following steps:
- the first device obtains audio data to be transmitted.
- the first device may be a mobile terminal.
- the mobile terminal may be a mobile phone or a tablet, but is not limited thereto.
- Audio data refers to data transmitted by audio.
- the audio data to be transmitted may be the identification data of the fixed format, for example: the identification data of the fixed format identifies the modulation mode used by the audio data to be transmitted; or the audio data to be transmitted may be the transmission data with variable content.
- the transmission data of variable content is various data that needs to be transmitted normally, such as: user information, transaction information, and the like.
- the first device modulates the audio data to be transmitted by using at least two modulation modes.
- the modulation scheme may be amplitude modulation, frequency modulation, carrier modulation or load wave modulation, or the like.
- the first device may separately modulate the audio data to be transmitted by using four modulation modes, and generate audio data streams of four modulation modes, B, C, D, and audio.
- the modulation schemes corresponding to the data streams A, B, C, and D are different.
- the audio data stream is formed as follows:
- the audio data to be transmitted is modulated into an analog waveform signal by a modulation method of the first device, thereby forming an audio data stream.
- the first device combines the audio data streams of the at least two modulation modes into one audio data stream.
- the splicing manner may be a splicing manner without time interval, or a splicing manner with time interval. Splicing combines analog waveforms modulated with different modulation methods.
- the audio data stream is transmitted to the second device at a time through the audio interface of the first device in the same time reference system.
- the same time reference system means that: the start time and/or the end time of the time period in which each modulation waveform is located is pre-agreed with respect to the pre-agreed reference time.
- two modulation waveforms are sequentially transmitted, and a common time reference time on a time axis is T0, and a start time of a time period in which the first modulation waveform is located is T1, and a duration of T1-T0 is a predetermined one.
- the starting time of the time period in which the two modulation waveforms are located is ⁇ 2, and the duration of ⁇ 2- ⁇ 0 is also pre-agreed.
- ⁇ 2 is greater than Tl at this time.
- the end time of the time period in which each modulation waveform is located may also be pre-agreed with respect to the duration of the pre-agreed reference time.
- the common time reference time on a time axis is ⁇ 0
- the end time of the time period in which the first modulation waveform is located is ⁇
- the duration of ⁇ - ⁇ 0 is pre-agreed
- the second modulation waveform is The end time of the time period
- T2' is greater than ⁇ at this time.
- the start time ⁇ 2 of the time period in which the second modulation waveform is located may also be the same as the end time period ⁇ at which the first modulation waveform is located.
- the start time and the end time of the time period in which each modulation waveform is located may be pre-agreed with respect to the pre-agreed reference time.
- the pre-agreed reference moments may be the same or different.
- each modulation waveform may also be located at any position within the time period, for example:
- the start time of the modulation waveform is the same as the start time of the time period in which the modulation waveform is located, and the end time of the modulation waveform is the same as the end time of the time period in which the modulation waveform is located; see T1 to ⁇ shown in FIG. 6.
- the start time of the modulation waveform is the same as the start time of the time period in which the modulation waveform is located, and the end time of the modulation waveform is different from the end time of the time period in which the modulation waveform is located; see ⁇ 2 to ⁇ 2' shown in FIG. .
- the start time of the modulation waveform is different from the start time of the time period in which the modulation waveform is located, and the end time of the modulation waveform is the same as the end time of the time period in which the modulation waveform is located; see ⁇ 3 to ⁇ 3' shown in FIG. .
- the start time of the modulation waveform is different from the start time of the time period in which the modulation waveform is located, and the end time of the modulation waveform is different from the end time of the time period in which the modulation waveform is located. See ⁇ 4 to ⁇ 4' shown in Figure 6.
- the start time of the modulation waveform is different from the start time of the time period in which the modulation waveform is located, and the end time of the modulation waveform is not the same as the end time of the time period in which the modulation waveform is located, and the start time of each modulation waveform. Need to synchronize with their respective sync header information.
- the audio data streams, B, C, and D of the above four modulation modes are spliced into one audio data stream, which facilitates one-time transmission, reduces the number of transmissions, reduces the possibility of data distortion, and improves the probability.
- the data amount of data interaction improves the success rate of data transmission.
- the probability of data transmission failure due to distortion and distortion in the interaction process is reduced, and the quality of data interaction is improved.
- the second device may be an electronic signature tool, such as an audio key, similar to a key device of the U shield, except that the data transmission manner is different, but the example of the present invention is not limited thereto. .
- audio data streams of various modulation modes can be spliced into one audio data stream to perform data interaction at one time, which greatly increases the data volume of one data interaction speed.
- the data is transmitted in this way, which greatly reduces the distortion of the interactive data and ensures the quality of the data interaction.
- the audio data transmission system includes a first device 201 and a second device 202, and the first device 201 and the second device 202 are connected by an audio interface 203.
- the first device 201 modulates the audio data to be transmitted by using at least two modulation modes to generate audio data streams of at least two modulation modes, and splicing the audio data streams of at least two modulation modes into one audio data stream.
- the audio data stream is transmitted to the second device 202 through the audio interface 203.
- the first device 201 is further configured to transmit the audio data stream to the second device 202 at a time through the audio interface 203 in the same time reference system.
- the same time reference system means that the start time and/or the end time of the time period in which each modulation waveform is located is pre-agreed with respect to the pre-agreed reference time.
- the first device 201 is further configured to transmit the audio data stream to the second device 202 at one time through the audio interface 203 in a different reference system.
- the different time reference system means that the starting time of each modulation waveform is obtained according to the synchronization header information.
- the audio data to be transmitted is modulated into an audio data stream, it is also required to generate synchronization header information for indicating the start time of each modulation waveform, and adding the generated synchronization header information to the audio. In the data stream, it is guaranteed that the starting time of each modulation waveform can be obtained.
- the audio data to be transmitted may be identification data in a fixed format or transmission data containing variable content.
- the fixed format identification data can identify the modulation mode used by the audio data to be transmitted;
- the variable content transmission data is various data that needs to be transmitted normally, for example: user information, transaction information, and the like.
- the audio data stream is formed as follows:
- the audio data to be transmitted is modulated into an analog waveform signal by a modulation mode of the first device 201, thereby forming an audio data code stream.
- the modulation method in this embodiment may be amplitude modulation, frequency modulation, carrier modulation, or load wave modulation.
- the first device 201 may separately modulate the audio data to be transmitted by using four modulation modes, and generate audio data streams A of four modulation modes, B, C, D, and the modulation schemes corresponding to the audio data streams A, B, C, and D are different.
- the first device 201 splices the audio data streams A, B, C, and D of the above four modulation modes into one audio data stream, which facilitates one-time transmission, reduces the number of transmissions, and reduces the possibility of data distortion. Increased data volume for data interaction.
- the splicing manner may be a splicing manner without time interval, or may be a splicing manner with time intervals.
- the first device 201 can be a mobile terminal and the second device 202 can be an electronic signature tool.
- the data flow between the first device 201 and the second device 202 can be quickly interacted, the data amount of data interaction is improved, and the available modulation modes are selected on both sides of the communication. After that, the data is transmitted in this way, which greatly reduces the distortion and distortion of the interactive data, and improves and ensures the quality of the data interaction.
- An audio data transmission device 400 for a mobile terminal according to an embodiment of the third aspect of the present invention will be described below with reference to FIG.
- the apparatus 400 is applied to the mobile terminal 404 and includes a modulation module 401, a splicing module 402, and a transmission module 403.
- the modulation module 401 is configured to separately modulate the audio data to be transmitted by using at least two modulation modes to generate an audio data code stream of at least two modulation modes.
- Splicing module 402 is used to tone at least two modulation modes The frequency data streams are spliced into one audio data stream.
- the transmission module 403 is configured to transmit the audio data stream to the electronic signature tool 500 at one time through the audio interface 405 of the mobile terminal 404.
- the transmission module 403 is further configured to transmit the audio data stream to the electronic signature tool 500 at a time within the same time reference system via the audio interface 405 of the mobile terminal 404.
- the same time reference system means that the start time and/or the end time of the time period in which each modulation waveform is located is pre-agreed with respect to the pre-agreed reference time.
- the transmission module 403 is further configured to transmit the audio data stream to the electronic signature tool 500 at a time through the audio interface 405 of the mobile terminal 404 in different time reference systems.
- the different time reference system means that the starting time of each modulation waveform is obtained according to the synchronization header information.
- the audio data to be transmitted is modulated into an audio data stream, it is also required to generate synchronization header information for indicating the start time of each modulation waveform, and adding the generated synchronization header information to the audio. In the data stream, it is guaranteed that the starting time of each modulation waveform can be obtained.
- the modulation module 401 is further configured to modulate the audio data to be transmitted into an analog waveform signal by means of modulation by the device 400 to form an audio data stream.
- the audio data to be transmitted may be identification data in a fixed format or transmission data containing variable content.
- the fixed format identification data can identify the modulation mode used by the audio data to be transmitted
- the variable content transmission data is various data that needs to be transmitted normally, for example: user information, transaction information, and the like.
- the modulation module 401 performs modulation in the following manner: amplitude modulation, frequency modulation, carrier modulation, or negative carrier modulation.
- the splicing module 402 may be in a timeless splicing manner or a time interval splicing mode. Splicing combines analog waveforms modulated with different modulation methods.
- the audio data transmission device 400 for a mobile terminal can implement fast data interaction with the electronic signature tool 500, improve the interaction speed, save time, and in addition, the distortion of the data during the interaction process It has been reduced to ensure the quality of data interaction.
- the electronic signature tool 500 includes a modulation module 501, a splicing module 502, and a transmission module 503.
- the modulation module 501 is configured to separately modulate the audio data to be transmitted by using at least two modulation modes to generate an audio data code stream of at least two modulation modes.
- the splicing module 502 is configured to splicing audio data streams of at least two modulation modes into one audio data stream.
- the transmission module 503 is configured to transmit the audio data stream to the mobile terminal 404 through the audio interface 504 of the electronic signature tool 500.
- the transmission module 503 is further configured to transmit the audio data stream to the mobile terminal 404 in a single time within the same time reference architecture via the audio interface 504 of the electronic signature tool 500.
- the same time reference system means that the start time and/or the end time of the time period in which each modulation waveform is located is pre-agreed with respect to the pre-agreed reference time.
- the transmission module 503 is further configured to transmit the audio data stream to the mobile terminal 404 at one time through the audio interface 504 of the electronic signature tool 500 in different time reference systems.
- the different time reference system means that the starting time of each modulation waveform is obtained according to the synchronization header information.
- the audio data to be transmitted is modulated into an audio data stream, it is also required to generate synchronization header information for indicating the start time of each modulation waveform, and adding the generated synchronization header information to the audio. In the data stream, it is guaranteed that the starting time of each modulation waveform can be obtained.
- the modulation module 501 is further configured to modulate the audio data to be transmitted into an analog waveform signal by a modulation manner of the electronic signature tool 500, thereby forming an audio data code stream.
- the audio data to be transmitted may be identification data in a fixed format or transmission data containing variable content.
- the fixed format identification data can identify the modulation mode used by the audio data to be transmitted
- the variable content transmission data is various data that needs to be transmitted normally, for example: user information, transaction information, and the like.
- the modulation module 501 performs modulation in the following manner: amplitude modulation, frequency modulation, carrier modulation, or negative carrier modulation.
- the splicing module 502 splices the audio data stream through a time-in-time splicing manner or a time-interleaved splicing manner. Splicing combines analog waveforms modulated with different modulation methods.
- the electronic signature tool 500 can implement fast data interaction with the mobile terminal 404, improve the amount of data exchanged, and save time. In addition, the distortion of the data in the subsequent interaction process is also reduced. , to ensure the quality of data interaction.
- a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with such an instruction execution system, apparatus, or device.
- computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
- the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method proceeds to obtain the program electronically and then store it in computer memory.
- portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
- multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
- a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented with any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
- each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
- the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
- the integrated module if implemented in the form of a software functional module and sold or used as a standalone product, may also be stored in a computer readable storage medium.
- the above-mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmitters (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CA2875232A CA2875232A1 (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
NZ702025A NZ702025A (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
KR1020147034701A KR101545831B1 (ko) | 2012-06-16 | 2013-06-17 | 오디오 데이터 전송방법 |
PH12014502691A PH12014502691A1 (en) | 2012-06-16 | 2014-12-03 | Audio data transmission method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210204081.8 | 2012-06-16 | ||
CN201210204081.8A CN102739323B (zh) | 2012-06-16 | 2012-06-16 | 音频数据传输方法 |
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WO2013185640A1 true WO2013185640A1 (zh) | 2013-12-19 |
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PCT/CN2013/077298 WO2013185640A1 (zh) | 2012-06-16 | 2013-06-17 | 音频数据传输方法 |
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KR (1) | KR101545831B1 (zh) |
CN (1) | CN102739323B (zh) |
CA (1) | CA2875232A1 (zh) |
HK (1) | HK1177823A1 (zh) |
NZ (1) | NZ702025A (zh) |
PH (1) | PH12014502691A1 (zh) |
WO (1) | WO2013185640A1 (zh) |
Families Citing this family (5)
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CN103595673B (zh) * | 2012-06-16 | 2017-04-19 | 天地融科技股份有限公司 | 音频数据传输方法 |
CN102739323B (zh) * | 2012-06-16 | 2013-09-04 | 天地融科技股份有限公司 | 音频数据传输方法 |
CN102752058B (zh) * | 2012-06-16 | 2013-10-16 | 天地融科技股份有限公司 | 音频数据传输系统、音频数据传输装置及电子签名工具 |
CN102739587B (zh) * | 2012-06-16 | 2014-05-21 | 天地融科技股份有限公司 | 音频数据传输方法 |
CN103347229A (zh) * | 2013-05-28 | 2013-10-09 | 天地融科技股份有限公司 | 音频信号处理设备 |
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- 2013-06-17 NZ NZ702025A patent/NZ702025A/en not_active IP Right Cessation
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- 2013-06-17 CA CA2875232A patent/CA2875232A1/en not_active Withdrawn
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CN102752058A (zh) * | 2012-06-16 | 2012-10-24 | 天地融科技股份有限公司 | 音频数据传输系统、音频数据传输装置及电子签名工具 |
CN202940816U (zh) * | 2012-06-16 | 2013-05-15 | 天地融科技股份有限公司 | 音频数据传输系统、传输装置及电子签名工具 |
CN202940815U (zh) * | 2012-06-16 | 2013-05-15 | 天地融科技股份有限公司 | 音频数据传输系统、音频数据传输装置及电子签名工具 |
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KR101545831B1 (ko) | 2015-08-19 |
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KR20150016557A (ko) | 2015-02-12 |
HK1177823A1 (en) | 2013-08-30 |
CN102739323A (zh) | 2012-10-17 |
CN102739323B (zh) | 2013-09-04 |
CA2875232A1 (en) | 2013-12-19 |
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