CN102739587B - Audio data transmission method - Google Patents
Audio data transmission method Download PDFInfo
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- CN102739587B CN102739587B CN201210204064.4A CN201210204064A CN102739587B CN 102739587 B CN102739587 B CN 102739587B CN 201210204064 A CN201210204064 A CN 201210204064A CN 102739587 B CN102739587 B CN 102739587B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/615—Signal processing at physical level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
Abstract
The invention provides an audio data transmission method, which comprises the following steps that audio data to be transmitted are respectively modulated by first equipment through at least two modulation modes, so as to generate audio data code streams in the at least two modulation modes; the audio data code streams in the at least two modulation modes are spliced into one audio data stream by the first equipment; and the audio data stream is transmitted to second equipment at one time in different time reference systems through an audio interface of the first interface. By adopting the audio data transmission method, the data volume transmitted at one data interaction speed is greatly increased, the degree of distortion of interactive data is additionally reduced, and the quality of data interaction is guaranteed.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of audio data transmission method.
Background technology
Existing while carrying out audio data transmission by audio interface, the audio transmission characteristic difference of different mobile terminals, if need the audio transmission characteristic of compatible different mobile terminals, the equipment (for example electric signing tools) communicating from mobile terminal need to automatically be attempted with the voice data of different modulation systems, to find the optimal modulation system being used in conjunction with from each different mobile terminal.
And the means of current audio communication itself are just seldom, therefore, do not have applicable mode can compatible different mobile terminal of while with different electric signing tools between communicate by letter.
And, because communicating pair might not be fixed, and communicating pair can all have separately different audio transmission characteristics, therefore, in the transmitting procedure of voice data, if the modulation system that need not mate and demodulation mode, can cause data interaction speed slow, the mutual data problems such as distortion that easily distort.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, the object of the invention is to propose a kind of audio data transmission method, can make voice data carry out fast alternately, and greatly reduce the distortion factor of interaction data.
For achieving the above object, a kind of audio data transmission method that the embodiment of the present invention proposes, comprises the following steps:
The first equipment modulates to generate respectively the voice data code stream of at least two kinds of modulation systems to voice data waiting for transmission by least two kinds of modulation systems;
The described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream by described the first equipment; And
Audio interface by described the first equipment transfers to the second equipment by described audio data stream once in different time reference frame.
According to the audio data transmission method of the embodiment of the present invention, can make the voice data code stream of various modulation systems be spliced into an audio data stream and carry out once data interaction, success rate while greatly having improved transfer of data, in addition, reduce the probability of the data transmission fails that data cause due to the distortion factor, the degree of distortion in reciprocal process, improved the quality of data interaction.
In one embodiment of the invention, described different time reference frame refers to: the initial time of each modulation waveform is according to synchronous head acquisition of information.
In one embodiment of the invention, the step that generates described voice data code stream also comprises:
Described voice data waiting for transmission is modulated to described voice data code stream, and generates synchronous head information, the synchronous head information of generation is added in described voice data code stream, described synchronous head information is used to indicate the initial time of each modulation waveform.
Wherein, the identification data that described voice data waiting for transmission is set form, or containing the transmission data of variable content.
In one embodiment of the invention, described voice data code stream forms in the following way:
Described voice data waiting for transmission is modulated into analog waveform signal by modulation system by described the first equipment, forms voice data code stream.
Wherein, described modulation system comprises: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
And the mode of described splicing is the connecting method without the connecting method in the time interval or free interval.
Particularly, in one embodiment of the invention, described the first equipment is mobile terminal, and described the second equipment is electric signing tools.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is according to the flow chart of the audio data transmission method of the embodiment of the present invention;
Fig. 2 is according to the block diagram of the audio data transmission system of the embodiment of the present invention;
Fig. 3 is the concrete block diagram of audio data transmission system according to an embodiment of the invention;
Fig. 4 is according to the structural representation of the audio data transmission apparatus for mobile terminal of the embodiment of the present invention; With
Fig. 5 is according to the structural representation of the electric signing tools of the embodiment of the present invention;
Fig. 6 is the schematic diagram of reference frame at the same time according to the transmission method of the voice data of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiments of the invention, represent some modes of the principle of implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise all changes, modification and the equivalent within the scope of spirit and the intension that falls into additional claims.
The audio data transmission method proposing according to first aspect present invention embodiment is described below with reference to Fig. 1.
As shown in Figure 1, this audio data transmission method comprises the following steps:
S101, the first equipment obtains voice data waiting for transmission.
In one embodiment of the invention, the first equipment can be mobile terminal.Particularly, mobile terminal can be mobile phone, panel computer, but is not limited only to this.Voice data refers to the data of transmitting by audio frequency mode.Wherein, voice data waiting for transmission can be the identification data of set form, for example: the identification data of this set form has identified the modulation system that voice data waiting for transmission adopts; Or voice data waiting for transmission can be the transmission data containing variable content, for example: the transmission data of variable content are the various data of normal need transmission, for example: the various data such as user profile, Transaction Information.
S102, the first equipment is modulated voice data waiting for transmission respectively by least two kinds of modulation systems.
In an example of the present invention, modulation system can be amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
S103, the voice data code stream of at least two kinds of modulation systems of generation.
That is to say, in an example of the present invention, the first equipment can be modulated voice data waiting for transmission respectively by four kinds of modulation systems, and generate voice data code stream A, B, C, the D of four kinds of modulation systems, and voice data code stream A, B, C, modulation system that D is corresponding are different.
In one embodiment of the invention, voice data code stream forms in the following way:
Voice data waiting for transmission is modulated into analog waveform signal by modulation system by the first equipment, thereby form voice data code stream.
S104, the voice data code stream of at least two kinds of modulation systems is spliced into an audio data stream by the first equipment.
In one embodiment of the invention, the mode of splicing can be the connecting method without the time interval, can be also the connecting method at free interval.Splicing connects together the analog waveform after modulating by different modulating mode.
S105 transfers to the second equipment by the first audio data stream by the audio interface of the first equipment once in different time reference frame.
In one embodiment of the invention, different time reference frame refers to: the initial time of each modulation waveform is according to synchronous head acquisition of information.
Concrete, in the time that voice data waiting for transmission is modulated to voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information of generation is added in voice data code stream, thereby can guarantee once described audio data stream to be transferred to the second equipment in different time reference frame time, the audio data stream that the second equipment can send according to the first equipment, find respectively the synchronous head of each modulation waveform, obtain the synchronizing information of each modulation waveform, and find the initial time of each modulation waveform according to described synchronizing information, to guarantee correctly audio reception data of the second equipment.
In another embodiment of the present invention, once audio data stream being transferred to the second equipment by the audio interface of the first equipment also comprises:
Audio interface by the first equipment is transferring to audio data stream once the second equipment in reference frame at the same time.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time make an appointment with respect to the duration with reference to the moment of making an appointment.
For reference frame at the same time, be specifically described referring to Fig. 6:
For example, send successively two modulation waveforms, the common time of arranging on a time shaft is T0 with reference to the moment, the initial time of the time period at first modulation waveform place is T1, the duration of T1-T0 is what make an appointment, and the initial time of the time period at second modulation waveform place is T2, and the duration of T2-T0 is also what make an appointment, certainly, now T2 is greater than T1.
In like manner, the finish time of the time period at each modulation waveform place also can be for making an appointment with respect to the duration with reference to the moment of making an appointment.For example: the common time of arranging on a time shaft is T0 with reference to the moment, be T1 ' finish time of the time period at first modulation waveform place, the duration of T1 '-T0 is what make an appointment, be T2 ' finish time of the time period at second modulation waveform place, the duration of T2 '-T0 is also what make an appointment, certainly, now T2 ' is greater than T1 '.
Certainly, the initial time T2 of the time period at second modulation waveform place also can be identical with the T1 ' finish time time period at the place of first modulation waveform.
In like manner, the initial time of the time period at each modulation waveform place and the finish time respectively all can be for making an appointment with respect to the duration with reference to the moment of making an appointment.
Certainly,, in the present embodiment, that makes an appointment is identical or different with reference to moment possibility.
Certainly, in the present embodiment, each modulation waveform can also be positioned at arbitrary position of time period, and for example: 1, the initial time of modulation waveform is identical with the initial time of the time period at this modulation waveform place, the finish time of modulation waveform is identical with the finish time of the time period at this modulation waveform place; T1 to T1 shown in Figure 6 '.
2, the initial time of modulation waveform is identical with the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is different from the finish time of the time period at this modulation waveform place; T2 to T2 shown in Figure 6 '.
3, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is identical with the finish time of the time period at this modulation waveform place; T3 to T3 shown in Figure 6 '.
4, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, and the finish time of modulation waveform is also different from the finish time of the time period at this modulation waveform place.T4 to T4 shown in Figure 6 '.Wherein, the initial time of modulation waveform is different from the initial time of the time period at this modulation waveform place, when the finish time of the finish time of modulation waveform and the time period at this modulation waveform place is also different, the initial time of each modulation waveform need to be undertaken synchronously by synchronous head information separately.
As can be seen here, voice data code stream A, B, C, the D of above-mentioned four kinds of modulation systems are spliced into an audio data stream, be convenient to disposable transmission, reduce the number of times of transmission, reduced the possibility of data distortion, also improved the data volume of data interaction, success rate while having improved transfer of data, in addition, reduce the probability of the data transmission fails that data cause due to the distortion factor, the degree of distortion in reciprocal process, improved the quality of data interaction.
Particularly, in an example of the present invention, the second equipment can be electric signing tools, and for example audio frequency Key is similar to a kind of key device of U shield, and just data transfer mode is different, but example of the present invention is not limited in this.
According to the audio data transmission method of the embodiment of the present invention, carry out once data interaction thereby can make the voice data code stream of various modulation systems be spliced into an audio data stream, greatly improve the data volume of a data interaction speed.In addition, selected, after available modulation system, to transmit data by this mode at communicating pair, greatly reduced the distortion factor of interaction data, guaranteed the quality of data interaction.
The audio data transmission system proposing according to second aspect present invention embodiment is described below with reference to Fig. 2 and Fig. 3.
As shown in Figure 2, this audio data transmission system comprises the first equipment 201 and the second equipment 202, and connects by audio interface 203 between the first equipment 201 and the second equipment 202.Wherein, the first equipment 201 modulates to generate respectively the voice data code stream of at least two kinds of modulation systems to voice data waiting for transmission by least two kinds of modulation systems, the voice data code stream of at least two kinds of modulation systems is spliced into an audio data stream, once audio data stream is transferred to the second equipment 202 by audio interface 203.
In one embodiment of the invention, the first equipment 201 is also further used for by audio interface 203 once audio data stream being transferred to the second equipment 202 in reference frame at the same time.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time make an appointment with respect to the duration with reference to the moment of making an appointment.
In another embodiment of the present invention, the first equipment 201 further also for transferring to audio data stream once the second equipment 202 in different time reference frame by audio interface 203.
Wherein, different time reference frame refers to: the initial time of each modulation waveform is according to synchronous head acquisition of information.Certainly, in the time that voice data waiting for transmission is modulated to voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information of generation is added in voice data code stream, thereby assurance can be obtained the initial time of each modulation waveform.
In one embodiment of the invention, voice data waiting for transmission can be the identification data of set form, or contains the transmission data of variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission data of variable content are the various data of normal need transmission, for example: the various data such as user profile, Transaction Information.
And voice data code stream forms in the following way:
Voice data waiting for transmission is modulated into analog waveform signal by modulation system by the first equipment 201, thereby form voice data code stream.
Modulation system in the present embodiment can be amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
Particularly, in one embodiment of the invention, as shown in Figure 3, the first equipment 201 can be modulated voice data waiting for transmission respectively by four kinds of modulation systems, and generate voice data code stream A, B, C, the D of four kinds of modulation systems, and voice data code stream A, B, C, modulation system that D is corresponding are different.
Voice data code stream A, B, C, the D of above-mentioned four kinds of modulation systems are spliced into an audio data stream by the first equipment 201, is convenient to disposable transmission, reduced the number of times of transmission, reduced the possibility of data distortion, also improved the data volume of data interaction.
Wherein, in one embodiment of the invention, the mode of splicing can be the connecting method without the time interval, can be also the connecting method at free interval.
In one embodiment of the invention, the first equipment 201 can be mobile terminal, and the second equipment 202 can be electric signing tools.
According to the audio data transmission system of the embodiment of the present invention, can make the data flow between the first equipment 201 and the second equipment 202 realize mutual fast, improve the data volume of data interaction, in addition, select after available modulation system at communicating pair, transmit data by this mode, greatly reduce distortion and the distortion factor of interaction data, improve and guaranteed the quality of data interaction.
The audio data transmission apparatus 400 for mobile terminal proposing according to third aspect present invention embodiment is described below with reference to Fig. 4.
As shown in Figure 4, this device 400 is applied in mobile terminal 404, comprises modulation module 401, concatenation module 402 and transport module 403.
Wherein, modulation module 401 is for modulating to generate respectively the voice data code stream of at least two kinds of modulation systems to voice data waiting for transmission by least two kinds of modulation systems.Concatenation module 402 is for being spliced into an audio data stream by the voice data code stream of at least two kinds of modulation systems.Transport module 403 transfers to audio data stream electric signing tools 500 once for the audio interface 405 by mobile terminal 404.
In one embodiment of the invention, transport module 403 is further used for audio interface 405 by mobile terminal 404 once audio data stream being transferred to electric signing tools 500 in reference frame at the same time.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time make an appointment with respect to the duration with reference to the moment of making an appointment.
In another embodiment of the present invention, transport module 403 is further used in different time reference frame, once audio data stream being transferred to electric signing tools 500 by the audio interface 405 of mobile terminal 404.
Wherein, different time reference frame refers to: the initial time of each modulation waveform is according to synchronous head acquisition of information.Certainly, in the time that voice data waiting for transmission is modulated to voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information of generation is added in voice data code stream, thereby assurance can be obtained the initial time of each modulation waveform.
In one embodiment of the invention, modulation module 401 is further used for, by installing 400 modulation system, voice data waiting for transmission is modulated into analog waveform signal, thereby forms voice data code stream.
Wherein, voice data waiting for transmission can be the identification data of set form, or is the transmission data containing variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission data of variable content are the various data of normal need transmission, for example: the various data such as user profile, Transaction Information.
In addition, modulation module 401 is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
In one embodiment of the invention, the mode of concatenation module 402 can be the connecting method without the time interval, can be also the connecting method at free interval.Splicing connects together the analog waveform after modulating by different modulating mode.
According to the audio data transmission apparatus 400 for mobile terminal of the embodiment of the present invention, can realize and carry out fast data interaction between electric signing tools 500, improve interactive speed, save the time, in addition, data distortion factor in reciprocal process has also obtained reduction, has guaranteed the quality of data interaction.
The electric signing tools 500 proposing according to fourth aspect present invention embodiment is described below with reference to Fig. 5.
As shown in Figure 5, this electric signing tools 500 comprises modulation module 501, concatenation module 502 and transport module 503.
Wherein, modulation module 501 is for modulating to generate respectively the voice data code stream of at least two kinds of modulation systems to voice data waiting for transmission by least two kinds of modulation systems.Concatenation module 502 is for being spliced into an audio data stream by the voice data code stream of at least two kinds of modulation systems.Transport module 503 transfers to audio data stream mobile terminal 404 once for the audio interface 504 by electric signing tools 500.
In one embodiment of the invention, transport module 503 is further used for audio interface 504 by electric signing tools 500 once audio data stream being transferred to mobile terminal 404 in reference frame at the same time.
Wherein, reference frame refers at the same time: the initial time of the time period at each modulation waveform place and/or the finish time make an appointment with respect to the duration with reference to the moment of making an appointment.
In another embodiment of the present invention, transport module 503 is further used in different time reference frame, once audio data stream being transferred to mobile terminal 404 by the audio interface 504 of electric signing tools 500.
Wherein, different time reference frame refers to: the initial time of each modulation waveform is according to synchronous head acquisition of information.Certainly, in the time that voice data waiting for transmission is modulated to voice data code stream, also need to generate synchronous head information, this synchronous head information is used to indicate the initial time of each modulation waveform, and the synchronous head information of generation is added in voice data code stream, thereby assurance can be obtained the initial time of each modulation waveform.
In one embodiment of the invention, modulation module 501 is further used for, by the modulation system of electric signing tools 500, voice data waiting for transmission is modulated into analog waveform signal, thereby forms voice data code stream.
Wherein, voice data waiting for transmission can be the identification data of set form, or is the transmission data containing variable content.Wherein: the identification data of set form can identify the modulation system that voice data waiting for transmission adopts; The transmission data of variable content are the various data of normal need transmission, for example: the various data such as user profile, Transaction Information.
And modulation module 501 is modulated in the following way: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation etc.
In addition, in one embodiment of the invention, concatenation module 502 is by the connecting method splicing voice data code stream at the connecting method without the time interval or free interval.Splicing connects together the analog waveform after modulating by different modulating mode.
According to the electric signing tools 500 of the embodiment of the present invention, can realize and carry out fast data interaction between mobile terminal 404, improve mutual data volume, save the time, in addition, data distortion factor in follow-up reciprocal process has also obtained reduction, has guaranteed the quality of data interaction.
Any process of otherwise describing in flow chart or at this or method are described and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, can be considered to the sequencing list of the executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, device that storage, communication, propagation or transmission procedure use for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), the erasable read-only memory (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanner, then edit, decipher or process in electronics mode and obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with being stored in software or the firmware carried out in memory and by suitable instruction execution system.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic for data-signal being realized to the logic gates of logic function, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (3)
1. an audio data transmission method, is characterized in that, comprises the following steps:
Mobile terminal is modulated into analog waveform signal by voice data waiting for transmission respectively by least two kinds of modulation systems, to generate the voice data code stream of at least two kinds of modulation systems;
The described voice data code stream of described at least two kinds of modulation systems is spliced into an audio data stream by described mobile terminal; And
In different time reference frame, adopt the mode of disposable data interaction that described audio data stream is transferred to electric signing tools by the audio interface of described mobile terminal, wherein, described different time reference frame refers to: the initial time of each analog waveform signal modulating is according to synchronous head acquisition of information; Described splicing refers to by the connecting method at the connecting method without the time interval or free interval described analog waveform signal is connected together;
Wherein: the step that generates described voice data code stream also comprises:
Described voice data waiting for transmission is modulated to described voice data code stream, and generate synchronous head information, the synchronous head information of generation is added in described voice data code stream, and described synchronous head information is used to indicate the initial time of each analog waveform signal modulating.
2. the method for claim 1, is characterized in that, the identification data that described voice data waiting for transmission is set form, or containing the transmission data of variable content.
3. method as claimed in claim 1 or 2, is characterized in that, described modulation system comprises: amplitude modulation(PAM), frequency modulation(FM), carrier modulation or negative carrier modulation.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548031.6A CN103595672B (en) | 2012-06-16 | 2012-06-16 | Audio data transmission method |
| CN201310565757.0A CN103595673B (en) | 2012-06-16 | 2012-06-16 | Audio data transmission method |
| CN201210204064.4A CN102739587B (en) | 2012-06-16 | 2012-06-16 | Audio data transmission method |
| HK13104690.0A HK1177354A1 (en) | 2012-06-16 | 2013-04-17 | Method for transmitting audio data |
| NZ702026A NZ702026A (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
| PCT/CN2013/077301 WO2013185641A1 (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
| KR20147034702A KR101512280B1 (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
| CA2875634A CA2875634A1 (en) | 2012-06-16 | 2013-06-17 | Audio data transmission method |
| PH12014502692A PH12014502692A1 (en) | 2012-06-16 | 2014-12-03 | Audio data transmission method |
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| CN102739323B (en) * | 2012-06-16 | 2013-09-04 | 天地融科技股份有限公司 | Audio data transmission method |
| CN102739587B (en) * | 2012-06-16 | 2014-05-21 | 天地融科技股份有限公司 | Audio data transmission method |
| CN102752058B (en) * | 2012-06-16 | 2013-10-16 | 天地融科技股份有限公司 | Audio data transmission system, audio data transmission device and electronic sign tool |
| CN103812610B (en) * | 2014-02-17 | 2018-01-16 | 天地融科技股份有限公司 | A kind of data communications method, terminal and information safety devices |
| MA41494B1 (en) | 2015-02-12 | 2020-10-28 | Glaxosmithkline Ip No 2 Ltd | Benzoxaborole compounds substituted in position 4 and associated uses |
| CN110166989B (en) * | 2018-02-14 | 2021-06-01 | 华为技术有限公司 | Method and device for transmitting audio data at high speed |
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| CN101370140A (en) * | 2008-09-25 | 2009-02-18 | 浙江大华技术股份有限公司 | Multi-code stream generation method |
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| CN1140994C (en) * | 1999-11-18 | 2004-03-03 | 四川长虹电器股份有限公司 | High-definition digital TV transmission system |
| CN100531398C (en) * | 2006-08-23 | 2009-08-19 | 中兴通讯股份有限公司 | Method for realizing multiple audio tracks in mobile multimedia broadcast system |
| US8036292B2 (en) * | 2008-06-02 | 2011-10-11 | Newport Media, Inc. | Segmented-frame synchronization for ISDB-T and ISDB-TSB receiver |
| CN102739320B (en) * | 2012-06-16 | 2014-11-05 | 天地融科技股份有限公司 | Method, system and device for transmitting audio data and electronic signature tool |
| CN102739323B (en) * | 2012-06-16 | 2013-09-04 | 天地融科技股份有限公司 | Audio data transmission method |
| CN102739587B (en) * | 2012-06-16 | 2014-05-21 | 天地融科技股份有限公司 | Audio data transmission method |
| CN202940815U (en) * | 2012-06-16 | 2013-05-15 | 天地融科技股份有限公司 | Audio data transmission system, audio data transmission device and electronic sign tool |
| CN202940816U (en) * | 2012-06-16 | 2013-05-15 | 天地融科技股份有限公司 | Audio data transmission system, transmission device and electronic signing tool |
| CN102752058B (en) * | 2012-06-16 | 2013-10-16 | 天地融科技股份有限公司 | Audio data transmission system, audio data transmission device and electronic sign tool |
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| CN101370140A (en) * | 2008-09-25 | 2009-02-18 | 浙江大华技术股份有限公司 | Multi-code stream generation method |
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| CA2875634A1 (en) | 2013-12-19 |
| WO2013185641A1 (en) | 2013-12-19 |
| PH12014502692B1 (en) | 2015-01-26 |
| KR20150016558A (en) | 2015-02-12 |
| NZ702026A (en) | 2016-04-29 |
| HK1177354A1 (en) | 2013-08-16 |
| KR101512280B1 (en) | 2015-04-14 |
| PH12014502692A1 (en) | 2015-01-26 |
| CN102739587A (en) | 2012-10-17 |
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