CN105635378A - Call quality adjusting method, device and mobile terminal - Google Patents
Call quality adjusting method, device and mobile terminal Download PDFInfo
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- CN105635378A CN105635378A CN201511001254.6A CN201511001254A CN105635378A CN 105635378 A CN105635378 A CN 105635378A CN 201511001254 A CN201511001254 A CN 201511001254A CN 105635378 A CN105635378 A CN 105635378A
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- signal
- mobile terminal
- speech quality
- loud speaker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
Abstract
The disclosure relates to a call quality adjusting method, device and a mobile terminal. The method includes the steps of: collecting alternating current electric signals generated due to outside noise by a loudspeaker of the mobile terminal; and adjusting the call quality of the mobile terminal according to the alternating current electric signals. In the scheme, the principle that the loudspeaker of the mobile terminal generates the alternating current electric signals due to the outside noise is utilized, and the alternating current electric signals generated due to the outside noise by the loudspeaker are directly collected. The alternating current electric signals are used to adjust the call quality without additionally arranging a plurality of microphones for signal collection, so that the design difficulty and the design cost of the mobile terminal are reduced, and the popularization of the mobile terminal is facilitated.
Description
Technical field
It relates to field of terminal technology, particularly relate to a kind of speech quality inflation method, device and mobile terminal.
Background technology
Along with the develop rapidly of terminal technology, mobile terminal is more and more universal, and user uses mobile terminal to be a kind of very common application scene in a noisy environment, owing to environment is noisy, in order to guarantee that both call sides can catch the speech of the other side, exchange smoothly, it is necessary to speech quality is adjusted the detrimentally affect overcoming environment and bringing.
In correlation technique, it is necessary to increase multiple Mike on mobile terminals and carry out signals collecting, up-downgoing speech quality is adjusted by the signal then gathered according to Mike. Owing to needs increase multiple Mike in the terminal, this will increase design difficulty and the design cost of mobile terminal.
Summary of the invention
For overcoming Problems existing in correlation technique, the disclosure provides a kind of speech quality inflation method, device and mobile terminal.
First aspect according to disclosure embodiment, it is provided that a kind of speech quality inflation method, application in the terminal, comprising:
Gather the ac signal that the loud speaker of described mobile terminal produces because of ambient noise;
The speech quality of described mobile terminal is adjusted according to described ac signal.
In conjunction with first aspect, in the first possible implementation of first aspect, also comprise:
Detect whether described mobile terminal is in communication process;
If detecting, described mobile terminal is in communication process, then the step of the ac signal that the loud speaker performing the described mobile terminal of described collection produces because of ambient noise.
In conjunction with first aspect, in the 2nd kind of possible implementation of first aspect, the step of the described speech quality adjusting described mobile terminal according to described ac signal comprises:
Call analog to digital converter and described ac signal is converted to numerary signal;
Call digital signal processing module, according to described numerary signal, ascending voice signal done echo suppression process and noise reduction process.
In conjunction with first aspect, in the third possible implementation of first aspect, the step of the described speech quality adjusting described mobile terminal according to described ac signal comprises:
Call analog to digital converter and described ac signal is converted to numerary signal;
Call digital signal processing module and determine environment noise intensity according to described numerary signal, and according to described environment noise intensity, downlink voice signal is done enhancement process.
In conjunction with the third possible implementation of the first possible implementation of first aspect, first aspect, the 2nd kind of possible implementation of first aspect or first aspect, in the 4th kind of possible implementation of first aspect, described ac signal is that the vibrating diaphragm in described loud speaker is because of after ambient noise vibration, the coil of described loud speaker is driven to vibrate, and the magnetic induction line cutting the magnet of described loud speaker produces.
Second aspect according to disclosure embodiment, it is provided that a kind of speech quality setting device, application in the terminal, comprising:
Acquisition module, the ac signal produced because of ambient noise for gathering the loud speaker of described mobile terminal;
Adjusting module, for adjusting the speech quality of described mobile terminal according to described ac signal.
In conjunction with second aspect, in the first possible implementation of second aspect, also comprise:
Detection module, for detecting whether described mobile terminal is in communication process; If detecting, described mobile terminal is in communication process, then turn to described collecting unit.
In conjunction with second aspect, in the 2nd kind of possible implementation of second aspect, described adjusting module, comprising:
First calls submodule block, for calling analog to digital converter, described ac signal is converted to numerary signal;
First adjustment submodule block, does echo suppression process and noise reduction process for calling digital signal processing module according to described numerary signal to ascending voice signal.
In conjunction with the first possible implementation of second aspect, second aspect or the 2nd kind of possible implementation of second aspect, in the third possible implementation of second aspect, described adjusting module, comprising:
2nd calls submodule block, for calling analog to digital converter, described ac signal is converted to numerary signal;
2nd adjustment submodule block, determines environment noise intensity for calling digital signal processing module according to described numerary signal, and according to described environment noise intensity, downlink voice signal is done enhancement process.
The third aspect according to disclosure embodiment, it is provided that a kind of mobile terminal, comprising:
Treater;
The storer of instruction can be performed for storage of processor;
Wherein, described treater is configured to:
Gather the ac signal that the loud speaker of described mobile terminal produces because of ambient noise;
The speech quality of described mobile terminal is adjusted according to described ac signal.
The technical scheme that embodiment of the present disclosure provides can comprise following useful effect: gathers the ac signal that the loud speaker of described mobile terminal produces because of ambient noise; The speech quality of described mobile terminal is adjusted according to described ac signal. In the program, what utilize is the principle of loud speaker because of ambient noise generation ac signal of mobile terminal, and directly gather the ac signal that loud speaker produces because of ambient noise, utilize this ac signal adjustment speech quality, not needing, multiple Mike is set in addition again and carrys out acquired signal, such that it is able to reduce design difficulty and the design cost of mobile terminal, be conducive to the universal of mobile terminal.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing herein is by being incorporated in specification sheets and forms the part of this specification sheets, shows embodiment according to the invention, and is used from the principle explaining the present invention with specification sheets one.
Fig. 1 is the schema of a kind of speech quality inflation method according to an exemplary embodiment.
Fig. 2 is the schema of another kind of speech quality inflation method according to an exemplary embodiment.
Fig. 3 is the block diagram of a kind of speech quality setting device according to an exemplary embodiment.
Fig. 4 is the block diagram of another kind of speech quality setting device according to an exemplary embodiment.
Fig. 5 is the block diagram of a kind of adjusting module according to an exemplary embodiment.
Fig. 6 is the block diagram of another kind of adjusting module according to an exemplary embodiment.
Fig. 7 is the block diagram of a kind of mobile terminal according to an exemplary embodiment.
Embodiment
Here exemplary embodiment being described in detail, its example representation is in the accompanying drawings. When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or similar key element. Enforcement mode described in exemplary embodiment does not represent all enforcement modes consistent with the present invention below. On the contrary, they only with as in appended claims describe in detail, the example of device that some aspects of the present invention are consistent and method.
Fig. 1 is the schema of a kind of speech quality inflation method according to an exemplary embodiment, and as shown in Figure 1, the method can be, but not limited to be applied in mobile terminal, comprises the following steps.
In step s 11, the ac signal that the loud speaker of mobile terminal produces is gathered because of ambient noise.
Loud speaker is microphone device common in mobile terminal, the vibrating diaphragm that loud speaker comprises magnet, is wrapped in the coil outside magnet and is bonded on coil, its principle is: when there being ac signal in coil, coil can in the magnetic field of magnet forced vibration, and drive diaphragm oscillations and then promote air, sound is heard by people's ear. Otherwise, when there is noise in the external world, vibrating diaphragm can vibrate because of ambient noise, and then the vibration of band moving winding, the vibration of coil can cut the magnetic induction line of magnet, thus produces ac signal, therefore, it is possible to gather the foundation that this ac signal is used as adjustment mobile terminal call quality.
In step s 12, the speech quality of mobile terminal is adjusted according to ac signal.
In the program, what utilize is the principle of loud speaker because of ambient noise generation ac signal of mobile terminal, and directly gather the ac signal that loud speaker produces because of ambient noise, utilize this ac signal adjustment speech quality, not needing, multiple Mike is set in addition again and carrys out acquired signal, such that it is able to reduce design difficulty and the design cost of mobile terminal, be conducive to the universal of mobile terminal.
Fig. 2 is the schema of another kind of speech quality inflation method according to an exemplary embodiment, on the basis of speech quality inflation method as shown in Figure 1, also comprises:
In step s 13, whether detection mobile terminal is in communication process, if detecting, mobile terminal is in communication process, then perform step S11.
In order to more accurately judge whether the speech quality needing to adjust mobile terminal, it is possible to first check whether mobile terminal is in communication process, and when determining that mobile terminal is in communication process, perform S11.
Concrete, owing to communication process can comprise uplink and downlink two processes, therefore, in above-mentioned steps S12, the process that realizes of speech quality according to ac signal handle mobile terminal comprises following two kinds of situations:
The first situation, for the process of upper row, it is possible to call analog to digital converter and ac signal is converted to numerary signal; Call digital signal processing module, according to numerary signal, ascending voice signal done echo suppression process and noise reduction process.
2nd kind of situation, for descending process, it is possible to call analog to digital converter and ac signal is converted to numerary signal; Call digital signal processing module and determine environment noise intensity according to numerary signal, and according to environment noise intensity, downlink voice signal is done enhancement process.
In above-mentioned two situations, first ac signal is converted to numerary signal, and then ascending voice signal and downlink voice signal are processed according to this numerary signal respectively, thus realize the speech quality of the ac signal adjustment mobile terminal gathered according to loud speaker. Loud speaker is as the indispensable parts of mobile terminal, general is all use as microphone device, can use as telephone receiver in the present embodiment, such that it is able to the quantity of Mike in minimizing mobile terminal, decrease the design difficulty such as the number of openings of mobile terminal, and then reduce design cost.
Fig. 3 is a kind of speech quality setting device block diagram according to an exemplary embodiment, and this device can be applied in the terminal. With reference to Fig. 3, this device comprises acquisition module 31 and adjusting module 32, wherein:
This acquisition module 31 is configured to, and gathers the ac signal that the loud speaker of mobile terminal produces because of ambient noise;
This adjusting module 32 is configured to, and adjusts the speech quality of mobile terminal according to ac signal.
In the program, what utilize is the principle of loud speaker because of ambient noise generation ac signal of mobile terminal, and directly gather the ac signal that loud speaker produces because of ambient noise, utilize this ac signal adjustment speech quality, not needing, multiple Mike is set in addition again and carrys out acquired signal, such that it is able to reduce design difficulty and the design cost of mobile terminal, be conducive to the universal of mobile terminal.
Fig. 4 is another kind of speech quality setting device block diagram according to an exemplary embodiment, on the basis of device as shown in Figure 3, also comprises detection module 33, wherein:
This detection module 33 is configured to, and whether detection mobile terminal is in communication process; If detecting, mobile terminal is in communication process, then turn to acquisition module 31.
Fig. 5 is the structural representation of a kind of adjusting module 32 according to an exemplary embodiment, comprises first and calls submodule block 321 and the first adjustment submodule block 322, wherein:
This first calls submodule block 321 and is configured to, and calls analog to digital converter and ac signal is converted to numerary signal;
This first adjustment submodule block 322 is configured to, and calls digital signal processing module, according to numerary signal, ascending voice signal does echo suppression process and noise reduction process.
Fig. 6 is the structural representation of another kind of adjusting module 32 according to an exemplary embodiment, comprises the 2nd and calls submodule block 323 and the 2nd adjustment submodule block 324, wherein:
2nd calls submodule block 323 is configured to, and calls analog to digital converter and ac signal is converted to numerary signal;
2nd adjustment submodule block 324 is configured to, and calls digital signal processing module and determines environment noise intensity according to numerary signal, and according to environment noise intensity, downlink voice signal is done enhancement process.
About the device in above-described embodiment, wherein the concrete mode of each module executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Fig. 7 is the block diagram of a kind of device 700 for speech quality adjustment according to an exemplary embodiment. Such as, device 700 can be mobile telephone, computer, digital broadcast terminal, messaging devices, game console, tablet device, medical facilities, body-building equipment, personal digital assistant etc.
With reference to Fig. 7, device 700 can comprise following one or more assembly: processing components 702, storer 704, power supply module 706, multimedia groupware 708, audio-frequency assembly 710, the interface 712 of I/O (I/O), sensor module 714, and communications component 716.
The overall operation of the usual control device 700 of processing components 702, such as with display, the operation that telephone call, data corresponding, camera operation and recording operation are associated. Processing components 702 can comprise one or more treater 720 to perform instruction, to complete all or part of step of above-mentioned method. In addition, processing components 702 can comprise one or more module, and what be convenient between processing components 702 and other assemblies is mutual. Such as, processing components 702 can comprise multi-media module, mutual with what facilitate between multimedia groupware 708 and processing components 702.
Storer 704 is configured to store various types of data to be supported in the operation of device 700. The example of these data comprises for any application program of operation on device 700 or the instruction of method, contact data, telephone book data, message, picture, video etc. Storer 704 can be realized by the volatibility of any type or non-volatile memory device or their combination, such as static RAM (SRAM), electrically erasable read-only storage (EEPROM), erasable programmable read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magneticstorage, flash device, disk or CD.
The various assembly that power supply module 706 is device 700 provides electric power. Power supply module 706 can comprise power-supply management system, one or more power supply, and other generate, manage and distribute, with for device 700, the assembly that electric power is associated.
The screen that an output interface is provided that multimedia groupware 708 is included between described device 700 and user. In certain embodiments, screen can comprise liquid-crystal display (LCD) and touch panel (TP). If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user. Touch panel comprises one or more touch sensing device with the gesture on sensing touch, slip and touch panel. Described touch sensing device can the border of not only sensing touch or sliding action, but also the detection time length relevant to described touch or slide and pressure. In certain embodiments, multimedia groupware 708 comprises a front-facing camera and/or rearmounted camera. When device 700 is in operator scheme, during such as screening-mode or video pattern, front-facing camera and/or rearmounted camera can receive outside multi-medium data. Each front-facing camera and rearmounted camera can be a fixing optical lens system or have focal length and optical zoom ability.
Audio-frequency assembly 710 is configured to export and/or input audio signal. Such as, audio-frequency assembly 710 comprises a microphone (MIC), and when device 700 is in operator scheme, during such as calling pattern, record pattern and speech recognition pattern, microphone is configured to receive external audio signal. The sound signal received can be stored in storer 704 further or be sent via communications component 716. In certain embodiments, audio-frequency assembly 710 also comprises a loud speaker, for output audio signal.
I/O interface 712 is for providing interface between processing components 702 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc. These buttons can include but not limited to: home button, volume button, startup button and locking button.
Sensor module 714 comprises one or more sensor, for providing the state estimation of all respects for device 700. Such as, sensor module 714 can detect the opening/closing state of device 700, the relative location of assembly, such as described assembly is indicating meter and the keypad of device 700, the position that sensor module 714 can also detect device 700 or device 700 1 assemblies changes, the presence or absence that user contacts with device 700, the temperature variation of device 700 orientation or acceleration/deceleration and device 700. Sensor module 714 can comprise close to sensor, be configured to without any physical contact time detection near the existence of object. Sensor module 714 can also comprise optical sensor, such as CMOS or ccd image sensor, for using in imaging applications. In certain embodiments, this sensor module 714 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure transmitter or temperature sensor.
Communications component 716 is configured to be convenient to the communication of wired or wireless mode between device 700 and other equipment. Device 700 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or their combination. In an exemplary embodiment, communications component 716 receives the broadcast signal from outside broadcasting management systems or broadcast related information via broadcast channel. In an exemplary embodiment, described communications component 716 also comprises near-field communication (NFC) module, to promote short distance communication. Such as, can based on RF identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 700 can be realized by one or more application specific unicircuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device part (PLD), field-programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for performing aforesaid method.
In the exemplary embodiment, additionally providing a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the storer 704 of instruction, above-mentioned instruction can perform aforesaid method by the treater 720 of device 700. Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage media is performed by the treater of mobile terminal so that mobile terminal can perform a kind of speech quality inflation method, and described method comprises:
Gather the ac signal that the loud speaker of described mobile terminal produces because of ambient noise;
The speech quality of described mobile terminal is adjusted according to described ac signal.
Those skilled in the art, after considering specification sheets and putting into practice invention disclosed herein, will easily expect other embodiment of the present invention. The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed the general principle of the present invention and comprised the unexposed common practise in the art of the disclosure or conventional techniques means. Specification sheets and embodiment are only regarded as exemplary, and the true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to accurate structure described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope. The scope of the present invention is only limited by appended claim.
Claims (10)
1. a speech quality inflation method, application is in the terminal, it is characterised in that, comprising:
Gather the ac signal that the loud speaker of described mobile terminal produces because of ambient noise;
The speech quality of described mobile terminal is adjusted according to described ac signal.
2. method according to claim 1, it is characterised in that, also comprise:
Detect whether described mobile terminal is in communication process;
If detecting, described mobile terminal is in communication process, then the step of the ac signal that the loud speaker performing the described mobile terminal of described collection produces because of ambient noise.
3. method according to claim 1, it is characterised in that, the step of the described speech quality adjusting described mobile terminal according to described ac signal comprises:
Call analog to digital converter and described ac signal is converted to numerary signal;
Call digital signal processing module, according to described numerary signal, ascending voice signal done echo suppression process and noise reduction process.
4. method according to claim 1, it is characterised in that, the step of the described speech quality adjusting described mobile terminal according to described ac signal comprises:
Call analog to digital converter and described ac signal is converted to numerary signal;
Call digital signal processing module and determine environment noise intensity according to described numerary signal, and according to described environment noise intensity, downlink voice signal is done enhancement process.
5. according to the arbitrary described method of claim 1-4, it is characterised in that, described ac signal is that the vibrating diaphragm in described loud speaker is because, after ambient noise vibration, driving the coil of described loud speaker to vibrate, and the magnetic induction line cutting the magnet of described loud speaker produces.
6. a speech quality setting device, application is in the terminal, it is characterised in that, comprising:
Acquisition module, the ac signal produced because of ambient noise for gathering the loud speaker of described mobile terminal;
Adjusting module, for adjusting the speech quality of described mobile terminal according to described ac signal.
7. device according to claim 6, it is characterised in that, also comprise:
Detection module, for detecting whether described mobile terminal is in communication process; If detecting, described mobile terminal is in communication process, then turn to described collecting unit.
8. device according to claim 6, it is characterised in that, described adjusting module, comprising:
First calls submodule block, for calling analog to digital converter, described ac signal is converted to numerary signal;
First adjustment submodule block, does echo suppression process and noise reduction process for calling digital signal processing module according to described numerary signal to ascending voice signal.
9. according to the arbitrary described device of claim 6-8, it is characterised in that, described adjusting module, comprising:
2nd calls submodule block, for calling analog to digital converter, described ac signal is converted to numerary signal;
2nd adjustment submodule block, determines environment noise intensity for calling digital signal processing module according to described numerary signal, and according to described environment noise intensity, downlink voice signal is done enhancement process.
10. a mobile terminal, it is characterised in that, comprising:
Treater;
The storer of instruction can be performed for storage of processor;
Wherein, described treater is configured to:
Gather the ac signal that the loud speaker of described mobile terminal produces because of ambient noise;
The speech quality of described mobile terminal is adjusted according to described ac signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511001254.6A CN105635378A (en) | 2015-12-28 | 2015-12-28 | Call quality adjusting method, device and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511001254.6A CN105635378A (en) | 2015-12-28 | 2015-12-28 | Call quality adjusting method, device and mobile terminal |
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| CN105635378A true CN105635378A (en) | 2016-06-01 |
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| CN201511001254.6A Pending CN105635378A (en) | 2015-12-28 | 2015-12-28 | Call quality adjusting method, device and mobile terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106375527A (en) * | 2016-08-24 | 2017-02-01 | 维沃移动通信有限公司 | Call quality detection method and mobile terminal |
| CN108446091A (en) * | 2018-02-26 | 2018-08-24 | 浙江创课教育科技有限公司 | Language play back system based on noise measuring |
| WO2020057656A1 (en) * | 2018-09-21 | 2020-03-26 | 深圳市万普拉斯科技有限公司 | Method, device and mobile terminal for collecting external sound wave based on sound output element |
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| EP1761009A1 (en) * | 2005-08-31 | 2007-03-07 | Sagem Communication S.A. | Transaction system using short-range radio communication |
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