CN103546653B - The audio communication method of automatic identification optimal communication parameter and VOCA voice communications assembly - Google Patents
The audio communication method of automatic identification optimal communication parameter and VOCA voice communications assembly Download PDFInfo
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Abstract
The invention discloses a kind of audio communication method and VOCA voice communications assembly of automatic identification optimal communication parameter, by the speed of automatic regulating audio signal, amplitude and waveform three parameters, send described audio signal, judge whether successful voice communication shakes hands, thus automatically identify optimal communication parameter when realizing the communication of different audio communication device.The present invention is compared with traditional audio communication method and VOCA voice communications assembly, identify the optimal communication parameter between different VOCA voice communications assembly by the speed of automatic regulating audio signal, amplitude and waveform three parameters, substantially increase the communication compatibility between different audio communication device.
Description
Technical field
The present invention relates to voice communication field, particularly relate to a kind of audio communication method and VOCA voice communications assembly of automatic identification optimal communication parameter.
Background technology
Along with the fast development of electronics and computer technology, it applies the every field be deep in life.E-Payment product is no exception, portable personal pays pays following developing direction by mails by being, portable personal pays and generally includes audio frequency apparatus and Mobile payment terminal, realized the transmission of payment information by audio signal between audio frequency apparatus and Mobile payment terminal, thus complete payment action, described audio frequency apparatus is mainly smart mobile phone or PAD, Mobile payment terminal is mainly POS, transmission both sides convert audio signal to by needing the digital information of transmission, carry out sending via voice-grade channel again and receive, this just requires that communicating pair has good audio frequency transmission-receiving function, can compatible panoramic audio frequency apparatus.
Because smart mobile phone (or PAD) industry does not have a strict formulation standard for audio frequency, each manufacturer, according to the standard design audio frequency of oneself, is difficult to accomplish whole compatibility when causing our outside need to utilize the audio frequency of smart mobile phone (or PAD) to communicate.Panoramic smart mobile phone (or PAD) audio frequency varies on the market, how to design compatible stronger audio peripheral circuit, becomes people in the industry and is making great efforts one of important topic of tackling key problems.
The voice communication of present technology, under same circuit form, the communication of one group of parameter can only be fixed, automatically many kinds of parameters can not be selected flexibly, more can not automatically identify one group of optimized parameter to communicate, which limits the compatibility of voice communication, the popularization of Mobile payment terminal is affected.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of audio communication method and the VOCA voice communications assembly that can improve the automatic identification optimal communication parameter of communication compatibility between audio communication device are provided.
A kind of audio communication method of automatic identification optimal communication parameter, comprise the following steps: any one parameter in S1, the speed adjusting audio signal from high to low or from low to high, amplitude or waveform three parameters, send described audio signal, judge whether successful voice communication shakes hands, if, perform step S4, if not, perform step S2; S2, change any one parameter in unadjusted two parameters in step S1, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S4, if not, step S3 is performed; S3, change in step S1 and S2 the parameter not adjusting or change, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judges that voice communication is shaken hands whether success, if so, performs step S4, if not, and execution step S5; S4, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of audio signal; S5, judgement voice communication are incompatible, terminate voice communication debugging.
Wherein, the audio communication method of described automatic identification optimal communication parameter comprises the following steps: the amplitude of S11, fixed-audio signal and waveform, adjust the speed of audio signal from high to low or from low to high, send described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S41, if not, step S21 is performed; S21, fixed-audio signal amplitude change audio signal waveform, adjust the speed of audio signal from high to low or from low to high, send described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S31; The waveform of the amplitude fixed-audio signal of S31, change audio signal, adjusts the speed of audio signal from high to low or from low to high, sends described audio signal, judges whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S51; S41, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of described audio signal; S51, judgement voice communication are incompatible, terminate voice communication debugging.
Wherein, the waveform of described audio signal comprises square wave, triangular wave, sine wave.
Wherein, filtering process is carried out to the audio signal of described transmission.
A VOCA voice communications assembly for automatic identification optimal communication parameter, comprising: the first adjusting module, for adjusting any one parameter in the speed of audio signal, amplitude or waveform three parameters from high to low or from low to high; Second adjusting module, for changing any one parameter in unadjusted two parameters of the first adjusting module, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high; 3rd adjusting module, for changing the parameter that the first adjusting module and the second adjusting module do not adjust or change, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high; To shake hands judge module, for judging that voice communication is shaken hands whether success; Memory module, to shake hands successful optimal communication parameter for storing communication, described messaging parameter comprises amplitude, waveform, the speed of described audio signal; Audio frequency sending/receiving module, for sending and receiving described audio signal; Described first adjusting module, the second adjusting module, the 3rd adjusting module are connected to audio frequency sending/receiving module and judge module of shaking hands.
Wherein, the waveform of described second adjusting module adjustment audio signal comprises square wave, triangular wave or sine wave.
Wherein, be also provided with filtration module, described filtration module is connected to audio frequency sending/receiving module, for carrying out filtering process to the audio signal of described transmission.
Wherein, described VOCA voice communications assembly comprises POS, smart mobile phone and PAD.
A VOCA voice communications assembly for automatic identification optimal communication parameter, comprises MCU, and described MCU produces the speed of audio signal, amplitude and waveform, and exports described audio signal by the DAC pin of described MCU.
Wherein, the waveform of described audio signal comprises square wave, triangular wave, sine wave.
Beneficial effect of the present invention is: compared with traditional audio communication method and VOCA voice communications assembly, the present invention identifies the optimal communication parameter between different VOCA voice communications assembly by the speed of automatic regulating audio signal, amplitude and waveform three parameters, therefore for the audio communication device Lookup protocol optimal communication parameter of different manufacturers or model, the communication compatibility between different audio communication device can be substantially increased.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention identifies the audio communication method embodiment of optimal communication parameter automatically;
Fig. 2 is the flow chart that the present invention identifies another embodiment of audio communication method of optimal communication parameter automatically;
Fig. 3 is the schematic diagram that the present invention identifies the VOCA voice communications assembly embodiment of optimal communication parameter automatically;
Fig. 4 is the schematic diagram that the present invention identifies filtration module in the audio communication method embodiment of optimal communication parameter automatically.
Major Symbol illustrates:
1-first adjusting module; 2-second adjusting module; 3-the 3rd adjusting module; 4-audio frequency sending/receiving module; 5-memory module; 6-shakes hands judge module; 7-filtration module.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized object and effect, coordinate accompanying drawing to be explained in detail below in conjunction with execution mode, in figure, same structure adopts same label.
English abbreviation illustrates:
MCU: micro-control unit;
DAC: digital signal ~ analog signal converter.
Embodiment 1
Refer to Fig. 1, a kind of audio communication method of automatic identification optimal communication parameter, comprise the following steps: any one parameter in S1, the speed adjusting audio signal from high to low or from low to high, amplitude or waveform three parameters, send described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S4, if not, step S2 is performed; S2, change any one parameter in unadjusted two parameters in step S1, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S4, if not, step S3 is performed; S3, change in step S1 and S2 the parameter not adjusting or change, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judges that voice communication is shaken hands whether success, if so, performs step S4, if not, and execution step S5; S4, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of audio signal; S5, judgement voice communication are incompatible, terminate voice communication debugging.
Because in the voice communication of reality, except the signal wiring problem of communication, affect speed, amplitude and waveform that communication chief factors of success are audio signal, therefore the present invention identifies the optimized parameter of voice communication by automatically adjusting these three parameters.Described shaking hands refers to that sender of communications sends the signal comprising a certain customizing messages, and judge whether receive corresponding return signal in a certain predetermined time after sending out this signal, if received, then showing to shake hands successfully can communicate, if confiscated, then show to shake hands unsuccessfully.Communication handshake is widely used in electronics and the communications field, and can set corresponding Handshake Protocol according to specific circumstances, and the present invention does not do concrete restriction and description to described concrete agreement of shaking hands.
Compared with traditional audio communication method, traditional audio communication method can only transmit with the audio signal of fixing speed, amplitude and waveform or after manually adjusting these parameters, the present invention identifies the optimal communication parameter between different VOCA voice communications assembly by the speed of automatic regulating audio signal, amplitude and waveform three parameters, therefore for the audio communication device Lookup protocol optimal communication parameter of different manufacturers or model, the communication compatibility between different audio communication device can be substantially increased.
Embodiment 2
Refer to Fig. 2, for preferred embodiment of the present invention, the audio communication method of described automatic identification optimal communication parameter comprises the following steps: the amplitude of S11, fixed-audio signal and waveform, adjust the speed of audio signal from high to low or from low to high, send described audio signal, judge whether successful voice communication shakes hands, if, perform step S41, if not, perform step S21; S21, fixed-audio signal amplitude change audio signal waveform, adjust the speed of audio signal from high to low or from low to high, send described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S31; The waveform of the amplitude fixed-audio signal of S31, change audio signal, adjusts the speed of audio signal from high to low or from low to high, sends described audio signal, judges whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S51; S41, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of described audio signal; S51, judgement voice communication are incompatible, terminate voice communication debugging.
For better understanding the method for embodiment 2, further illustrate at this, before carrying out above-mentioned shaking hands, prior confirmation needs well the parametric variable adjusted: amplitude is V, and waveform is Wave, and speed is Baudrate.The first step, fixed amplitude and waveform, such as fixed amplitude V=Vmax, waveform Wave=square, adjust speed from high to low, judge whether to shake hands successfully, if success during speed Baudrate=a bit, then optimized parameter is V=Vmax, Wave=square, Baudrate=a bit; If unsuccessful, then change waveform Wave=sin, amplitude does not still become V=Vmax, adjusts speed from high to low, judges whether to shake hands successfully, if Baudrate=bbit success, then optimized parameter is V=Vmax, Wave=sin, Baudrate=b bit; If unsuccessful, then continue change amplitude V=1/2Vmax, waveform is constant is still Wave=square, adjusts speed from high to low, by that analogy, until identify successfully, if unsuccessful, then judge that voice communication is incompatible, terminates voice communication debugging.
Because in voice communication, whether the speed of audio signal, amplitude and these three parameters of waveform all can affect voice communication and can complete smoothly, but having the greatest impact of the transmission rate of these three parameter sound intermediate frequency signals, the failure of most voice communication except hardware problem most importantly the audio delivery rate of communicating pair do not mate, be secondly amplitude and the waveform of audio signal.Therefore in this preferred embodiment, according to the parameter of weight adjusting audio signal affecting voice communication, the speed of preferential adjustment audio signal, if unsuccessful amplitude and the waveform adjusting audio signal again of communication handshake, until communication handshake success.Therefore comparatively early can identify optimal communication parameter according to the above-mentioned parameter affecting the weight adjusting audio signal of voice communication, improve automatic recognition efficiency.
In the above-described embodiments, the waveform of described audio signal comprises square wave, triangular wave, sine wave.Different waveforms is produced, as square wave, sine wave, triangular wave etc., and based on the various modulation systems of different wave, as FSK, F2F modulation waveform etc. by waveform algorithm.In the above-described embodiments, described amplitude is any amplitude at 0 ~ Vdd, not only be confined to 0 and Vdd two kinds of level, pass through computing formula: Vdd-scaled=Vdd*Vdd-level/63, Vdd-level can be the random natural number between 0 ~ 63, can calculate any amplitude at 0 ~ Vdd, wherein Vdd-scaled is output voltage values, and Vdd is the main supply power voltage of chip.
In the above-described embodiment, be the interference that filtered signal produces in transmitting procedure, improve the quality of voice communication, filtering process is carried out to the audio signal of described transmission.
Embodiment 3
Refer to Fig. 3, a kind of VOCA voice communications assembly of automatic identification optimal communication parameter, comprising: the first adjusting module 1, for adjusting any one parameter in the speed of audio signal, amplitude or waveform three parameters from high to low or from low to high; Second adjusting module 2, for changing any one parameter in unadjusted two parameters of the first adjusting module, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high; 3rd adjusting module 3, for changing the parameter that the first adjusting module and the second adjusting module do not adjust or change, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high; To shake hands judge module 6, for judging that voice communication is shaken hands whether success; Memory module 5, to shake hands successful optimal communication parameter for storing communication, described messaging parameter comprises amplitude, waveform, the speed of described audio signal; Audio frequency sending/receiving module 4, for sending and receiving described audio signal; Described first adjusting module 1, second adjusting module 2, the 3rd adjusting module 3 are connected to audio frequency sending/receiving module 4 and judge module 6 of shaking hands.
In the present embodiment, described first adjusting module 1, second adjusting module 2, the 3rd adjusting module 3 and judge module 6 of shaking hands are the MCU of VOCA voice communications assembly, the DAC(digital signal of MCU turns analog signal converter) mouth is as audio signal delivery outlet, described MCU produces the speed of audio signal, amplitude and waveform, and exports described audio signal by the DAC pin of described MCU.Wherein, the waveform of described audio signal comprises square wave, triangular wave, sine wave.
The automatic adjustment of speed, amplitude and waveform to audio signal is realized by described first adjusting module 1, second adjusting module 2 and the 3rd adjusting module 3, described audio signal is sent through audio frequency sending/receiving module 4, and judge that whether communication handshake is successful by judge module 6 of shaking hands, thus realize automatically identifying the optimal communication parameter communicated between different audio communication device, greatly promote the compatibility of voice communication at different communication equipment room.
In the present embodiment, the waveform that described second adjusting module 2 adjusts audio signal comprises square wave, triangular wave or sine wave.
The present embodiment is also provided with filtration module 7, and described filtration module 7 is connected to audio frequency sending/receiving module 4, for carrying out filtering process to the audio signal of described transmission.
As shown in Figure 4, described filtration module 7 comprises the first resistance R1, the second resistance R2 first electric capacity C1 and the second electric capacity C2, one end of described resistance R1 connects audio frequency sending/receiving module, the other end of resistance R1 connects one end of electric capacity C2 and one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of the other end contact resistance R2 of electric capacity C2 and audio port, the other end ground connection of resistance R2.
In the present embodiment, described VOCA voice communications assembly comprises POS, smart mobile phone and PAD.
In sum, beneficial effect of the present invention is: compared with traditional audio communication method and VOCA voice communications assembly, the present invention identifies the optimal communication parameter between different VOCA voice communications assembly by the speed of automatic regulating audio signal, amplitude and waveform three parameters, therefore for the audio communication device Lookup protocol optimal communication parameter of different manufacturers or model, the communication compatibility between different audio communication device can be substantially increased.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. automatically identify an audio communication method for optimal communication parameter, it is characterized in that, comprise the following steps:
Any one parameter in S1, the speed adjusting audio signal from high to low or from low to high, amplitude or waveform three parameters, sends described audio signal, judges whether successful voice communication shakes hands, and if so, performs step S4, if not, performs step S2;
S2, change any one parameter in unadjusted two parameters in step S1, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S4, if not, step S3 is performed;
S3, change in step S1 and S2 the parameter not adjusting or change, the parameter adjusted in set-up procedure S1 from high to low or from low to high, sends described audio signal, judges that voice communication is shaken hands whether success, if so, performs step S4, if not, and execution step S5;
S4, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of audio signal;
S5, judgement voice communication are incompatible, terminate voice communication debugging;
Wherein, the waveform of described audio signal comprises square wave, triangular wave, sine wave.
2. the audio communication method of automatic identification optimal communication parameter according to claim 1, is characterized in that, comprise the following steps:
The amplitude of S11, fixed-audio signal and waveform, adjust the speed of audio signal from high to low or from low to high, sends described audio signal, judges whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S21;
S21, fixed-audio signal amplitude change audio signal waveform, adjust the speed of audio signal from high to low or from low to high, send described audio signal, judge whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S31;
The waveform of the amplitude fixed-audio signal of S31, change audio signal, adjusts the speed of audio signal from high to low or from low to high, sends described audio signal, judges whether successful voice communication shakes hands, and if so, performs step S41, if not, performs step S51;
S41, the debugging of end voice communication, and preserve the successful messaging parameter of communication handshake as optimal communication parameter, described messaging parameter comprises amplitude, waveform, the speed of described audio signal;
S51, judgement voice communication are incompatible, terminate voice communication debugging.
3. the audio communication method of automatic identification optimal communication parameter according to claim 1, is characterized in that, carry out filtering process to the audio signal of described transmission.
4. automatically identify a VOCA voice communications assembly for optimal communication parameter, it is characterized in that, comprising:
First adjusting module, for adjusting any one parameter in the speed of audio signal, amplitude or waveform three parameters from high to low or from low to high;
Second adjusting module, for changing any one parameter in unadjusted two parameters of the first adjusting module, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high;
3rd adjusting module, for changing the parameter that the first adjusting module and the second adjusting module do not adjust or change, adjusts the parameter adjusted in the first adjusting module from high to low or from low to high;
To shake hands judge module, for judging that voice communication is shaken hands whether success;
Memory module, to shake hands successful optimal communication parameter for storing communication, described messaging parameter comprises amplitude, waveform, the speed of described audio signal;
Audio frequency sending/receiving module, for sending and receiving described audio signal;
Described first adjusting module, the second adjusting module, the 3rd adjusting module are connected to audio frequency sending/receiving module and judge module of shaking hands;
The waveform of described second adjusting module adjustment audio signal comprises square wave, triangular wave or sine wave.
5. the VOCA voice communications assembly of automatic identification optimal communication parameter according to claim 4, it is characterized in that, be also provided with filtration module, described filtration module is connected to audio frequency sending/receiving module, carries out filtering process to the audio signal of described transmission.
6. the VOCA voice communications assembly of automatic identification optimal communication parameter according to claim 4, it is characterized in that, described VOCA voice communications assembly comprises POS, smart mobile phone and PAD.
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| CN101247622A (en) * | 2008-03-03 | 2008-08-20 | 中兴通讯股份有限公司 | Testing method and device of audio communication system |
| CN101720097A (en) * | 2008-10-09 | 2010-06-02 | 中兴通讯股份有限公司 | Method and system for automatically debugging audio frequency of mobile terminal |
| CN103199942A (en) * | 2013-03-04 | 2013-07-10 | 福建联迪商用设备有限公司 | Audio communication method and terminal utilizing same |
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| CN101247622A (en) * | 2008-03-03 | 2008-08-20 | 中兴通讯股份有限公司 | Testing method and device of audio communication system |
| CN101720097A (en) * | 2008-10-09 | 2010-06-02 | 中兴通讯股份有限公司 | Method and system for automatically debugging audio frequency of mobile terminal |
| CN103199942A (en) * | 2013-03-04 | 2013-07-10 | 福建联迪商用设备有限公司 | Audio communication method and terminal utilizing same |
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