CN102740209B - Mobile terminal and audio signal processing method and device thereof - Google Patents
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Abstract
The invention discloses a mobile terminal, an audio signal processing method and an audio signal processing device. The method comprises the following steps of: monitoring whether a hearing-aid is used within a monitoring range of the mobile terminal; while monitoring that the hearing-aid is used, calling a first frequency response parameter and a first volume gain parameter which are set in advance; adjusting an audio signal of the mobile terminal according to the called first frequency response parameter and the first volume gain parameter; if no use of the hearing-aid is monitored, calling a second frequency response parameter and a second volume gain parameter which are set in advance; and adjusting the audio signal of the mobile terminal according to the called second frequency response parameter and the second volume gain parameter. Only an audio output part is changed; the radio performance of the mobile terminal is ensured to be not changed; and moreover no coils are increased, so that the cost is reduced.
Description
[technical field]
The present invention relates to field of mobile terminals, relate in particular to a kind of mobile terminal and acoustic signal processing method thereof and device.
[background technology]
Along with constantly popularizing of mobile terminal, user is more and more higher to the requirement of mobile terminal function, such as mobile terminal is mobile phone.
The hearing aids of prior art is divided into acoustics coupling (M-Ratings) and two kinds of patterns of inductance coupling high (T-Ratings), when the hearing aids of acoustics coupled mode is worked, by the sound around collecting at hearing aids built-in microphone, to amplifying after the acoustic processing of collecting; When the hearing aids of inductance coupling high pattern is worked, close built-in microphone to avoid amplifying ambient noise, and respond to the audio signal in tonal range by coil coupling.
Because mobile terminal is in communication process, can around antenna, form electromagnetic field from the radio wave of mobile terminal outgoing, this electromagnetic field has digital pulse signal, digital pulse signal from mobile terminal antenna can be obtained by the coil coupling of the hearing aids of inductance coupling high pattern, thereby makes hearing aids occur noise.For this reason, country or Carrier Requirements mobile terminal must pass through HAC (Hearing Aid Compatibility) certification, thereby guarantee that mobile terminal does not affect the normal use of hearing aids.
In prior art, the mode that improves inductance coupling high performance is generally in receiver, to increase induction coil, which not only can cause the cost of receiver to rise, and increase coil can change the radio-frequency performance of mobile terminal, tend to make the frequency response of audio signal itself to exceed standard, or cause receive frequency loudness to increase; Frequency response exceeds standard and makes in the output of inductance coupling high type hearing aids, to obtain good receive frequency response characteristic, and the increase of receive frequency loudness can cause the reduction of inductance coupling high performance.
To sum up, in prior art, there is following technical problem: in receiver, increase induction coil and cause cost to increase, changed the radio-frequency performance of mobile terminal, can not obtain good receive frequency response characteristic, reduced the inductance coupling high performance of mobile terminal.
[summary of the invention]
One object of the present invention is to provide a kind of acoustic signal processing method of mobile terminal, be intended to solve increases induction coil and causes cost to increase in receiver in prior art, change the radio-frequency performance of mobile terminal, can not obtain good receive frequency response characteristic, the technical problem that inductance coupling high performance reduces.
For solving the problems of the technologies described above, the present invention has constructed a kind of acoustic signal processing method of mobile terminal, said method comprising the steps of:
In the distance monitoring range of described mobile terminal, whether monitoring has hearing aids using;
If monitored hearing aids using, called the first frequency response parameter and the first volume gain parameter that set in advance; And according to the audio signal of mobile terminal described in the first frequency response parameter of calling and the first volume gain parameter adjustment;
Using if do not monitor hearing aids, calling the second frequency response setting in advance and control parameter and the second gain parameter; And adjust the audio signal of described mobile terminal according to the second frequency response regulation parameter of calling and the second gain parameter.
In the acoustic signal processing method of mobile terminal of the present invention, in distance one monitoring range of described mobile terminal, whether monitoring has hearing aids specifically to comprise in the step using:
In the distance monitoring range of described mobile terminal, obtain audio signal;
The audio signal of obtaining is resolved, obtain frequency, volume and this frequency and first magnetic field intensity corresponding to volume of described audio signal;
Described the first magnetic field intensity and the identical frequency with the above-mentioned frequency of obtaining of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with the above-mentioned volume of obtaining are contrasted;
In the time that described the first magnetic field intensity and the second magnetic field intensity are within the scope of error criterion, judge that described mobile terminal does not have hearing aids using around;
In the time that described the first magnetic field intensity and the second magnetic field intensity exceed described error criterion scope, judge that described mobile terminal has hearing aids using around.
In the acoustic signal processing method of mobile terminal of the present invention, in distance one monitoring range of described mobile terminal, whether monitoring has hearing aids specifically to comprise in the step using:
Whether there is hearing aids using around by mobile terminal described in hall sensing monitoring of equipment.
In the acoustic signal processing method of mobile terminal of the present invention, the signal to noise ratio under described first frequency response parameter and described the first volume gain parameter is greater than the signal to noise ratio under described second frequency response parameter and described the second volume gain parameter.
In the acoustic signal processing method of mobile terminal of the present invention, whether there is hearing aids in use in monitoring, according to monitoring of default monitoring time gap periods.
Another object of the present invention is to provide a kind of audio signal processor of mobile terminal, be intended to solve increases induction coil and causes cost to increase in receiver in prior art, change the radio-frequency performance of mobile terminal, can not obtain good receive frequency response characteristic, the technical problem that inductance coupling high performance reduces.
For solving the problems of the technologies described above, the present invention has constructed a kind of audio signal processor of mobile terminal, described device comprises hall sensing equipment, with the central processing unit of described hall sensing equipment connection, and the frequency response adjustment module being connected with described central processing unit and audio frequency amplification module:
Whether described hall sensing equipment, have hearing aids using for monitoring in the distance monitoring range of described mobile terminal;
Described central processing unit, for not monitored hearing aids in use at described hall sensing equipment, called the second frequency response parameter setting in advance to described frequency response adjustment module, and calls the second volume gain parameter to audio frequency amplification module; To having hearing aids in use, call the first frequency response parameter that sets in advance to described frequency response adjustment module, and call the first volume gain parameter to audio frequency amplification module at described hall sensing monitoring of equipment;
Described frequency response adjustment module, for regulating the frequency of described audio signal according to described first frequency response parameter or described second frequency response parameter;
Described audio frequency amplification module, for regulating the volume of described audio signal according to described the first volume gain parameter or the second volume gain parameter.
In the audio signal processor of mobile terminal of the present invention, described hall sensing equipment specifically comprises magnetic induction module, microprocessor and audio frequency parsing module:
Described audio frequency parsing module, for the audio signal of obtaining is resolved, obtains frequency and the volume of described audio signal;
Described magnetic induction module, for obtaining the first magnetic field intensity corresponding to said frequencies and volume;
Described microprocessor, for contrasting described the first magnetic field intensity and the identical frequency with the above-mentioned frequency of obtaining of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with the above-mentioned volume of obtaining; In the time that described the first magnetic field intensity and the second magnetic field intensity are within the scope of error criterion, judge that described mobile terminal does not have hearing aids using around; In the time that described the first magnetic field intensity and the second magnetic field intensity exceed described error criterion scope, judge that described mobile terminal has hearing aids using around.
In the audio signal processor of mobile terminal of the present invention, the signal to noise ratio under described first frequency response parameter and described the first volume gain parameter is greater than the signal to noise ratio under described second frequency response parameter and described the second volume gain parameter.
In the audio signal processor of mobile terminal of the present invention, in described central processing unit, be provided with timer, whether described timer is for there being hearing aids using according to the described hall sensing monitoring of equipment of the triggering of default monitoring time gap periods.
Another object of the present invention is to provide a kind of mobile terminal, be intended to solve increases induction coil and causes cost to increase in receiver in prior art, change the radio-frequency performance of mobile terminal, can not obtain good receive frequency response characteristic, the technical problem that inductance coupling high performance reduces.
For solving the problems of the technologies described above, the present invention has constructed a kind of mobile terminal, described mobile terminal comprises the audio signal processor of mobile terminal, described device comprises hall sensing equipment, with the central processing unit of described hall sensing equipment connection, the frequency response adjustment module being connected with described central processing unit and audio frequency amplification module:
Whether described hall sensing equipment, have hearing aids using for monitoring in the distance monitoring range of described mobile terminal;
Described central processing unit, at described hall sensing monitoring of equipment to having hearing aids in use, call the second frequency response parameter that sets in advance to described frequency response adjustment module, and call the second volume gain parameter to audio frequency amplification module; To having hearing aids in use, call the first frequency response parameter that sets in advance to described frequency response adjustment module, and call the first volume gain parameter to audio frequency amplification module at described hall sensing monitoring of equipment;
Described frequency response adjustment module, for regulating the frequency of described audio signal according to described first frequency response parameter or described second frequency response parameter;
Described audio frequency amplification module, for regulating the volume of described audio signal according to described the first volume gain parameter or the second volume gain parameter.
The present invention is with respect to prior art, by two cover parameters are set, a set of for normal mode, another set of for HAC pattern, and whether according to there being hearing aids service condition to call the output volume that corresponding parameter is carried out control frequency response curve and controlled audio signal around, what it finally affected is receive frequency response (RFR) and the receive frequency loudness (RLR) of audio signal.Obviously, the present invention only changes audio output part and divides, for the radio-frequency module of mobile terminal without any change, so can guarantee that the radio-frequency performance of mobile terminal does not all change under above-mentioned two kinds of patterns; And the present invention, without increasing coil, thereby has reduced cost.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below:
[brief description of the drawings]
Fig. 1 is the schematic flow sheet of the preferred embodiment of the acoustic signal processing method of mobile terminal in the present invention;
Fig. 2 is the detailed process schematic diagram that in the present invention, whether monitoring has hearing aids;
Fig. 3 is the detailed process schematic diagram obtaining in the present invention without the corresponding relation of hearing aids situation lower frequency, volume and magnetic field intensity;
Fig. 4 is the preferred embodiment theory diagram of the audio signal processor of mobile terminal in the present invention.
[embodiment]
The explanation of following embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustrate the present invention.
Fig. 1 is the schematic flow sheet of the communication control method of mobile terminal in the present invention.
In step S101, in the distance monitoring range of described mobile terminal, whether monitoring has hearing aids using; If monitored hearing aids using, carried out step S102; Otherwise carry out step S103.
In step S102, call the first frequency response parameter and the first volume gain parameter that set in advance, and the audio signal receiving according to mobile terminal described in the first frequency response parameter of calling and the first volume gain parameter adjustment.
In step S103, call the second frequency response parameter and the second volume gain parameter that set in advance, and the audio signal receiving according to mobile terminal described in the second frequency response parameter of calling and the second volume gain parameter adjustment.
Refer to Fig. 2, Fig. 2 is the detailed process that in step S101, whether monitoring has hearing aids.
In step S201, in the distance monitoring range of described mobile terminal, obtain audio signal.
For example, described monitoring range is 100 meters, obtains apart from the audio signal in the scope of 100 meters of described mobile terminals.
In step S202, the audio signal of obtaining is resolved, obtain frequency, volume and this frequency and first magnetic field intensity corresponding to volume of described audio signal.
In step S203, described the first magnetic field intensity and the identical frequency with said frequencies of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with above-mentioned volume are contrasted, judge that described the first magnetic field intensity and described the second magnetic field intensity are whether within the scope of error criterion, if, carry out step S204, otherwise carry out step S205.
In step S204, judge that described mobile terminal does not have hearing aids using around.
In step S205, judge that described mobile terminal has hearing aids using around.
In specific implementation process, mobile terminal is pre-stored the second magnetic field intensity, this second magnetic field intensity is a standard value, above-mentioned error criterion scope is preferably 10%, in the time that the difference of described the first magnetic field intensity and described the second magnetic field intensity is in 10% scope, judge that described mobile terminal does not have hearing aids around using, once the difference of described the first magnetic field intensity and described the second magnetic field intensity exceeds 10% scope, judge that described mobile terminal has hearing aids using around.
In specific implementation process, whether the present invention, by a hall sensing equipment is set at mobile terminal, has hearing aids around using by mobile terminal described in this hall sensing monitoring of equipment, specifically refers to below.
Refer to Fig. 3, Fig. 3 is the detailed process obtaining without the corresponding relation of hearing aids situation lower frequency, volume and magnetic field intensity, in this process, guarantees that hearing aids is away from this equipment.
In step S301, audio frequency is set to the minimum frequency in frequency range.
In step S302, volume is set to the minimal volume in level of sound volume.
Wherein, described first frequency response parameter comprises level of sound volume, volume gain and both corresponding relations; Described the first volume gain parameter comprises frequency range and spacing frequency.
In step S303, the audio signal of obtaining is resolved, to obtain frequency, volume and the corresponding magnetic field intensity of this audio signal, preserve the corresponding relation of frequency, volume and corresponding magnetic field intensity simultaneously.
In step S304, judge whether the above-mentioned volume of obtaining reaches the max volume of level of sound volume; If so, carry out step S305; Otherwise carry out step S306.
In step S305, increase volume gain, and proceed step S303.
In step S306, judge whether the above-mentioned frequency of obtaining reaches the peak frequency of frequency range, if so, carry out S308, otherwise carry out step S307.
In step S307, according to spacing frequency increase audio frequency progressively, and proceed step S302.
In step S308, whole frequencies of obtaining, volume are preserved with the corresponding relation of corresponding magnetic field intensity.
Fig. 4 is the preferred embodiment theory diagram of the communication control unit of mobile terminal in the present invention.
The communication control unit of described mobile terminal comprises radio-frequency module 41, digital signal processing module 42, central processing unit 43, hall sensing equipment 44, frequency response adjustment module 45, D/A converter module 46, audio frequency amplification module 47 and receiver 48.
Wherein, radio-frequency module 41 is for transmitting and received RF signal; Digital signal processing module 42 changes into audio signal for the radiofrequency signal that described radio-frequency module 41 is received; Central processing unit 43 receives for the transmitting of controlling radio-frequency module 41, and store normal talking pattern and different audio frequency control parameters corresponding to HAC pattern: first frequency response parameter, the first volume gain parameter, second frequency response parameter and the second volume gain parameter, and control frequency response adjustment module 45 and audio frequency amplification module 47.
Hall sensing equipment 44 is for the intensity of induced field, and reports to central processing unit 43; Frequency response adjustment module 45, for according to the control of central processing unit 43, changes the amplitude of different frequency audio signal accordingly, thereby realizes the adjustment of frequency response; D/A converter module 46 is for converting audio signal to analog signal by digital signal; Audio frequency amplification module 47 is for increasing the volume of audio signal according to the control of central processing unit 43; The form of receiver 48 for voice analog signal can be heard by signal of telecommunication conversion adult ear.
Wherein, hall sensing equipment 44 comprises magnetic induction module 441, microprocessor 442, audio frequency parsing module 443 and memory 444.
In the present invention, the operation principle of the preferred embodiment of the communication control unit of mobile terminal is described below.
In the time that call starts, radio frequency unit 41 receives signal, and digital signal processor 42 parses audio signal from the signal receiving, and whether hall sensing equipment 44 starts monitoring has hearing aids using around.
When hall sensing equipment 44 does not monitor hearing aids in use, central processing unit 43 calls second frequency response parameter to frequency response adjustment module 45, calls the second volume gain parameter to audio frequency amplification module 47 simultaneously.Frequency response adjustment module 45 regulates the amplitude of audio signal according to second frequency response parameter.Afterwards, this audio signal converts analog signal form to through D/A converter module 46, audio frequency amplification module 47 regulates the volume of audio signal according to the second volume gain parameter, audio signal after adjusting is broadcasted by receiver 48, wherein, this second frequency response parameter and the second volume gain parameter are the parameter under normal talking pattern, no longer describe in detail herein.
When hall sensing equipment 44 has monitored hearing aids in use, central processing unit 43 calls first frequency response parameter to frequency response adjustment module 45, calls the first volume gain parameter to audio frequency amplification module 47 simultaneously.Frequency response adjustment module 45 regulates the amplitude of audio signal according to first frequency response parameter; Afterwards, this audio signal converts analog signal form to through D/A converter module 46, and audio frequency amplification module 47 regulates the volume of audio signal according to the first volume gain parameter, and the audio signal after adjusting is broadcasted through receiver 48.
Microprocessor 442 in hall sensing equipment 44 is notified the audio signal of frequency minimum within the scope of central processing unit 43 control figure signal processing module 42 output audios, such as 300Hz, is certainly adjusted into according to demand 100Hz or lower.Do not enumerate herein.Afterwards, hall sensing equipment 44 notifies the volume gain of central processing unit 43 audio frequency amplification modules 47 to be set to minimum,
Afterwards, the audio signal that hall sensing equipment 44 is exported audio frequency amplification module 47 is resolved, and this process specifically comprises: the frequency and the volume that the audio signal that first audio frequency parsing module 443 is exported from audio frequency amplification module 47, parse this audio signal; Magnetic induction module 441 is resolved the audio signal after the coil (not shown) of receiver 48, obtains the magnetic field intensity of this audio signal; Finally, the corresponding relation of the above-mentioned frequency of obtaining, volume and magnetic field intensity is kept at internal memory 444 by microprocessor 442.
In specific implementation process, central processing unit 43 judges whether above-mentioned volume is the max volume in level of sound volume; In the time that above-mentioned volume is not max volume, central processing unit 43 is controlled audio frequency amplification module 47 increases volume gain, and according to the volume gain after increasing, audio signal is regulated, then continue by hall sensing equipment 44, the audio signal after audio frequency amplification module 47 regulates to be resolved.
Wherein, under HAC pattern time, central processing unit 43 is controlled the gain of audio frequency amplification module 47, this gain determines the volume that audio frequency amplification module 47 is exported, and central processing unit 43 comprises the form of level of sound volume and gain corresponding relation in controlling, such as level of sound volume has 20 grades (0～19 grades), first output volume grade is 0 grade of corresponding gain, follow-up progressively increase, in the time that level of sound volume reaches 19 grades, is max volume.
And under normal mode time, user selects the size of volume, i.e. level of sound volume.For example level of sound volume has 8 grades (0～7 grades), and the selected level of sound volume of user is 5 grades, plays according to 5 grades of gains corresponding to volume.In the present invention, normal mode is different from the gain of same 5 grades of corresponding audio frequency amplification modules 47 of level of sound volume under HAC pattern.
In the time that above-mentioned volume reaches max volume, central processing unit 43 judges whether the above-mentioned frequency of obtaining is peak frequency, such as peak frequency is 4000Hz, can certainly be adjusted into according to demand 20KHz or higher, does not enumerate herein.
In the time that said frequencies does not exceed peak frequency, central processing unit 43 control figure signal processing modules 42 increase the frequency of audio signal, and the gain of audio frequency amplification module 47 is set to minimum; Thereby enter next circulation; In the time that frequency reaches or exceed the peak frequency of setting, finish calibration.
For example, under HAC pattern time, frequency range is 300Hz～4000Hz, and spacing frequency is 10Hz.First central processing unit 43 is controlled control figure signal processing module 42 and is exported 300Hz, follow-up each increase 10Hz, until when 4000Hz, central processing unit 43 is judged and is reached peak frequency.
And under normal mode, digital signal processing module 42 is resolved the voice messaging such as radiofrequency signal or MP3 and obtained frequency, and broadcast with the respective frequencies parsing, the frequency information of parsing is fed back to central processing unit 43 simultaneously.
In the present invention, the gain (spacing frequency) of the corresponding source of sound of each frequency under first frequency response parameter control HAC pattern, thus determine the frequency response curve that final audio frequency is exported; The gain of the first volume gain parameter control HAC pattern subaudio frequency amplification module 47.The gain of the corresponding source of sound of each frequency under second frequency response parameter control normal mode, thus the frequency response curve that final audio frequency is exported determined; The second volume gain ginseng
The gain of numerical control normal mode subaudio frequency processed amplification module 47.
In the present invention, the signal to noise ratio under described first frequency response parameter and described the first volume gain parameter is greater than the signal to noise ratio under described second frequency response parameter and described the second volume gain parameter, in view of signal to noise ratio is common practise, no longer describes in detail herein.
During 8 rank level of sound volume that are for example 0～7 grade for level of sound volume arrange, the first volume gain parameter has 8 gain parameters of correspondence with it, the second volume gain parameter has 8 gain parameters of correspondence with it equally, but when in HAC pattern and normal mode switching, the audio gain of same level of sound volume is different.For example, be all 5 grades of level of sound volume, under the first volume gain parameter, the corresponding relation of level of sound volume and audio gain is 1 grade 15,2 grades 31,3 grades 63,4 grades 127,5 grades 255; Under the second volume gain parameter, the corresponding relation of level of sound volume and audio gain is 1 grade 7,2 grades 15,3 grades 31,4 grades 63,5 grades 127.Thus, if the level of sound volume that mobile terminal active user sets is 5 grades, when this mobile terminal has detected that hearing aids in use, under the first gain control parameter (first frequency response parameter and the first volume gain parameter), volume gain is increased to 255 from 127, with respect to the second gain control parameter (second frequency response parameter and the second volume gain parameter), significantly make the sound of output uprise, and then make three parameter system signals (ABM1) of hearing aids, interference signal (ABM2), system signal (ABM1) in signal to noise ratio (ABM1/ABM2) is obviously improved, and interference signal (ABM2) is almost constant, so signal to noise ratio (ABM1/ABM2) is also improved.Wherein ABM is asynchronous balance mode (Asynchronous Balanced Mode).
In the present invention, frequency response adjustment module 45 is by the frequency response curve of first frequency response parameter control audio signal, and what it finally affected is the receive frequency response (RFR) of audio signal; Audio frequency amplification module 47 is by the output volume of the first volume gain parameter control audio signal, and what it finally affected is the receive frequency loudness (RLR) of audio signal.
The present invention is by arranging two cover control parameters, and first set control parameter comprises first frequency response parameter and the first volume gain parameter, and the second cover is controlled parameter and comprised second frequency response parameter and the second volume gain parameter; Do not monitoring hearing aids in use, call the second cover control parameter and control frequency response adjustment module 45 and audio frequency amplification module 47, monitoring hearing aids in use, calling first set control parameter and control frequency response adjustment module 45 and audio frequency amplification module 47.The present invention only changes the output of audio signal, for the radio-frequency module of mobile terminal without any change, so guarantee that system radio-frequency performance does not all change under two kinds of patterns.And the present invention, without increasing coil, thereby has reduced cost.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is not in order to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various changes and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (7)
1. an acoustic signal processing method for mobile terminal, is characterized in that, said method comprising the steps of:
In the monitoring range of described mobile terminal, whether have hearing aids specifically to comprise in the step using according to the monitoring of default monitoring time gap periods:
In the monitoring range of described mobile terminal, obtain audio signal;
The audio signal of obtaining is resolved, obtain frequency, volume and this frequency and first magnetic field intensity corresponding to volume of described audio signal;
Described the first magnetic field intensity and the identical frequency with the above-mentioned frequency of obtaining of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with the above-mentioned volume of obtaining are contrasted;
In the time that described the first magnetic field intensity and the second magnetic field intensity are within the scope of error criterion, judge that described mobile terminal does not have hearing aids using around;
In the time that described the first magnetic field intensity and the second magnetic field intensity exceed described error criterion scope, judge that described mobile terminal has hearing aids using around;
If determine hearing aids using, call the first frequency response parameter and the first volume gain parameter that set in advance; And according to the audio signal of mobile terminal described in the first frequency response parameter of calling and the first volume gain parameter adjustment;
There is no hearing aids if determine using, call the second frequency response parameter and the second volume gain parameter that set in advance; And according to the audio signal of mobile terminal described in the second frequency response parameter of calling and the second volume gain parameter adjustment.
2. the acoustic signal processing method of mobile terminal according to claim 1, it is characterized in that whether having hearing aids to carry out by hall sensing equipment in the step of use according to the monitoring of default monitoring time gap periods in the monitoring range of described mobile terminal.
3. the acoustic signal processing method of mobile terminal according to claim 1, it is characterized in that, the signal to noise ratio under described first frequency response parameter and described the first volume gain parameter is greater than the signal to noise ratio under described second frequency response parameter and described the second volume gain parameter.
4. an audio signal processor for mobile terminal, is characterized in that, described device comprises hall sensing equipment, with the central processing unit of described hall sensing equipment connection, and the frequency response adjustment module being connected with described central processing unit and audio frequency amplification module;
Described hall sensing equipment, whether for having hearing aids using according to the monitoring of the default monitoring time gap periods of described central processing unit in the monitoring range of described mobile terminal, it specifically comprises magnetic induction module, microprocessor and audio frequency parsing module, memory:
Described audio frequency parsing module, for the audio signal of obtaining is resolved, obtains frequency and the volume of described audio signal;
Described magnetic induction module, for obtaining the first magnetic field intensity corresponding to said frequencies and volume;
Described microprocessor, for contrasting described the first magnetic field intensity and the identical frequency with the above-mentioned frequency of obtaining of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with the above-mentioned volume of obtaining; In the time that described the first magnetic field intensity and the second magnetic field intensity are within the scope of error criterion, judge that described mobile terminal does not have hearing aids using around; In the time that described the first magnetic field intensity and the second magnetic field intensity exceed described error criterion scope, judge that described mobile terminal has hearing aids using around;
Described central processing unit, for not monitored hearing aids in use at described hall sensing equipment, called the second frequency response parameter setting in advance to described frequency response adjustment module, and calls the second volume gain parameter setting in advance to audio frequency amplification module; To having hearing aids in use, call the first frequency response parameter that sets in advance to described frequency response adjustment module, and call the first volume gain parameter setting in advance to audio frequency amplification module at described hall sensing monitoring of equipment;
Described frequency response adjustment module, for regulating the frequency of described audio signal according to described first frequency response parameter or described second frequency response parameter;
Described audio frequency amplification module, for regulating the volume of described audio signal according to described the first volume gain parameter or the second volume gain parameter.
5. the audio signal processor of mobile terminal according to claim 4, it is characterized in that, the signal to noise ratio under described first frequency response parameter and described the first volume gain parameter is greater than the signal to noise ratio under described second frequency response parameter and described the second volume gain parameter.
6. the audio signal processor of mobile terminal according to claim 4, it is characterized in that, in described central processing unit, be provided with timer, whether described timer is for there being hearing aids using according to the described hall sensing monitoring of equipment of the triggering of default monitoring time gap periods.
7. a mobile terminal, it is characterized in that, described mobile terminal comprises the audio signal processor of a mobile terminal, described device comprises hall sensing equipment, with the central processing unit of described hall sensing equipment connection, the frequency response adjustment module being connected with described central processing unit and audio frequency amplification module:
Described hall sensing equipment, whether for having hearing aids using according to the monitoring of the default monitoring time gap periods of described central processing unit in the distance monitoring range of described mobile terminal, it specifically comprises magnetic induction module, microprocessor and audio frequency parsing module, memory:
Described audio frequency parsing module, for the audio signal of obtaining is resolved, obtains frequency and the volume of described audio signal;
Described magnetic induction module, for obtaining the first magnetic field intensity corresponding to said frequencies and volume;
Described microprocessor, for contrasting described the first magnetic field intensity and the identical frequency with the above-mentioned frequency of obtaining of storing in described mobile terminal and second magnetic field intensity corresponding to volume identical with the above-mentioned volume of obtaining; In the time that described the first magnetic field intensity and the second magnetic field intensity are within the scope of error criterion, judge that described mobile terminal does not have hearing aids using around; In the time that described the first magnetic field intensity and the second magnetic field intensity exceed described error criterion scope, judge that described mobile terminal has hearing aids using around;
Described central processing unit, for not monitored hearing aids in use at described hall sensing equipment, called the second frequency response parameter setting in advance to described frequency response adjustment module, and calls the second volume gain parameter setting in advance to audio frequency amplification module; To having hearing aids in use, call the first frequency response parameter that sets in advance to described frequency response adjustment module, and call the first volume gain parameter setting in advance to audio frequency amplification module at described hall sensing monitoring of equipment;
Described frequency response adjustment module, for regulating the frequency of described audio signal according to described first frequency response parameter or described second frequency response parameter;
Described audio frequency amplification module, for regulating the volume of described audio signal according to described the first volume gain parameter or the second volume gain parameter.
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| CN201210035189.9A CN102740209B (en) | 2012-02-16 | 2012-02-16 | Mobile terminal and audio signal processing method and device thereof |
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| CN102740209B true CN102740209B (en) | 2014-10-29 |
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| CN108270915A (en) * | 2017-01-04 | 2018-07-10 | 中兴通讯股份有限公司 | Method for controlling volume and device, terminal |
| CN107402738B (en) * | 2017-06-02 | 2020-06-02 | 捷开通讯(深圳)有限公司 | External terminal, method for configuring virtual audio scene by external terminal and storage device |
| CN108717150B (en) * | 2018-05-11 | 2020-06-26 | 咸亨国际（杭州）电气制造有限公司 | Portable cable electricity testing device and method thereof |
| CN109379685A (en) * | 2018-12-25 | 2019-02-22 | 深圳市万普拉斯科技有限公司 | HAC implementation method, device, mobile terminal and readable storage medium storing program for executing |
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| CN101610440A (en) * | 2008-06-19 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Electronic installation |
| CN101902239A (en) * | 2010-08-02 | 2010-12-01 | 惠州Tcl移动通信有限公司 | Communication method and mobile communication terminal |
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| CN101610440A (en) * | 2008-06-19 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Electronic installation |
| CN101902239A (en) * | 2010-08-02 | 2010-12-01 | 惠州Tcl移动通信有限公司 | Communication method and mobile communication terminal |
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