CN103607489B - A kind of method, device and terminating unit eliminating current sound - Google Patents
A kind of method, device and terminating unit eliminating current sound Download PDFInfo
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- CN103607489B CN103607489B CN201310626075.6A CN201310626075A CN103607489B CN 103607489 B CN103607489 B CN 103607489B CN 201310626075 A CN201310626075 A CN 201310626075A CN 103607489 B CN103607489 B CN 103607489B
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Abstract
The disclosure is directed to a kind of method, device and the terminating unit of eliminating current sound. Described method comprises: when receiving calls, and whether the waveform rangeability of the sound signal that detection receives is more than the first preset value; When the waveform rangeability of described sound signal exceedes described first preset value, record the audio signal segment that described waveform rangeability exceedes described first preset value; According to described audio signal segment, it is determined that the current sound in described audio signal segment; According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment. The disclosure is by the Real-Time Monitoring of current sound and catching, by the sound signal comprising current sound caught is carried out spectral decomposition, determine current sound, and the current sound in the sound signal received after eliminating, make that the sound that user hears no longer exists current sound noise, user clearly received calls, it is to increase Consumer's Experience.
Description
Technical field
The disclosure is directed to electronic device field, especially relate to a kind of method, device and the terminating unit of eliminating current sound.
Background technology
Along with the develop rapidly of consumer electronics product, especially smart terminal product explosive growth, end product can meet the function of people's daily life major part, and when function all greatly meets, to terminal capabilities, the pursuit of effect starts more and more obvious. Such as, along with the development of technology, people utilize terminal to carry out voice call frequently, and at mobile phone communication etc., the current sound (TDDnoise) in mobile phone is compare stubborn problem in handset audio always, drastically influence the call instruction of the audio frequency of users.
Summary of the invention
For overcoming Problems existing in correlation technique, the disclosure provides a kind of method eliminating current sound, drastically influence the problem of audio speech quality for overcoming current sound.
On the one hand, present disclose provides a kind of method eliminating current sound, comprising:
When receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
When the waveform rangeability of described sound signal exceedes described first preset value, record the audio signal segment that described waveform rangeability exceedes described first preset value;
According to described audio signal segment, it is determined that the current sound in described audio signal segment;
According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment.
No longer there is current sound noise, it may also be useful to family can clearly receive calls, it is to increase Consumer's Experience.
Disclosure embodiment achieves the Real-Time Monitoring to current sound and catches, by the sound signal comprising current sound caught is carried out spectral decomposition, determine current sound, and the current sound in the sound signal received after eliminating, make that the sound that user hears no longer exists current sound noise, user clearly received calls, it is to increase Consumer's Experience.
Described waveform rangeability comprises: voltage change amplitude or variable power amplitude.
The voltage of sound signal or power can be realized Real-Time Monitoring by disclosure embodiment, wherein, when detecting the voltage change amplitude of sound signal, without the need to sound signal is processed, directly the sound signal received can be detected, thus achieving the speed of detection sound signal, it is possible to the change of Real-Time Monitoring sound signal is conducive to catching in real time current sound.
When described waveform rangeability is described voltage change amplitude, whether the waveform rangeability of the sound signal that described detection receives, more than the first preset value, comprising:
Whether the voltage of the sound signal that detection receives rangeability from low to high exceedes described first preset value.
Disclosure embodiment only detects audio signal voltage rangeability from low to high, do not detect this voltage by high to Low rangeability, it is to increase detection efficiency.
Described according to described audio signal segment, it is determined that the current sound in described audio signal segment, comprising:
Described audio signal segment is carried out spectral decomposition, and whether the amplitude detecting predeterminated frequency sound signal in described audio signal segment is more than the 2nd preset value;
When in described audio signal segment, the amplitude of predeterminated frequency sound signal exceedes described 2nd preset value, it is determined that it is current sound that described amplitude exceedes the predeterminated frequency sound signal of described 2nd preset value.
Predeterminated frequency sound signal is only detected by disclosure embodiment, it is to increase the efficiency of detection sound signal, is conducive to determining more quickly and accurately current sound.
The range of frequency of described predeterminated frequency sound signal comprises 210Hz��225Hz or N*210Hz��N*225Hz, and wherein, N is positive integer.
Disclosure embodiment, according to the feature of current sound, detects predeterminated frequency sound signal, it is to increase the accuracy and efficiency of detection current sound.
According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment, comprising:
Amplitude according to described current sound and frequency, adopt reverse filtering method to eliminate the current sound in the sound signal received after described audio signal segment.
Disclosure embodiment, according to the amplitude of current sound and frequency, adopts reverse filtering to eliminate current sound and is conducive to effectively eliminating current sound.
Described according to described current sound, after eliminating the current sound in the sound signal received after described audio signal segment, described method also comprises:
Export the sound signal eliminated after current sound.
The sound signal that disclosure embodiment is eliminated after current sound by exporting so that no longer there is current sound noise in the sound that user hears, it may also be useful to family can clearly receive calls, it is to increase Consumer's Experience.
On the other hand, disclosure embodiment also provides a kind of device eliminating current sound, and described device comprises:
Detection module, during for receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
Record module, for when the waveform rangeability of described sound signal exceedes described first preset value, recording the audio signal segment that described waveform rangeability exceedes described first preset value;
Determination module, for according to described audio signal segment, it is determined that the current sound in described audio signal segment;
Cancellation module, for according to described current sound, eliminating the current sound in the sound signal received after described audio signal segment.
Described detection module comprises:
Detecting unit, for when described waveform rangeability is described voltage change amplitude, whether the voltage of the sound signal that detection receives rangeability from low to high exceedes described first preset value.
Described determination module comprises:
Analytical unit, for described audio signal segment is carried out spectral decomposition, whether the amplitude detecting predeterminated frequency sound signal in described audio signal segment is more than the 2nd preset value;
Determining unit, for when in described audio signal segment, the amplitude of predeterminated frequency sound signal exceedes described 2nd preset value, it is determined that it is current sound that described amplitude exceedes the predeterminated frequency sound signal of described 2nd preset value.
Described cancellation module comprises:
Eliminate unit, for the amplitude according to described current sound and frequency, adopt reverse filtering method to eliminate the current sound in the sound signal received after described audio signal segment.
The device of described elimination current sound also comprises:
Output module, for exporting the sound signal eliminated after current sound.
On the other hand, the disclosure also provides a kind of terminating unit, described terminating unit includes storer, and one or more than one program, one of them or more than one program are stored in storer, and are configured to perform described one or more than one routine package containing the instruction for carrying out following operation by one or more than one treater:
When receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
When the waveform rangeability of described sound signal exceedes described first preset value, record the audio signal segment that described waveform rangeability exceedes described first preset value;
According to described audio signal segment, it is determined that the current sound in described audio signal segment;
According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment.
Useful effects more of the present disclosure can comprise: by the Real-Time Monitoring of current sound and catching, by the sound signal comprising current sound caught is carried out spectral decomposition, determine current sound, and the current sound in the sound signal received after eliminating, make that the sound that user hears no longer exists current sound noise, user clearly received calls, it is to increase Consumer's Experience.
Further feature of the present disclosure and advantage will be set forth in the following description, and, partly become apparent from specification sheets, or understand by implementing the disclosure. Object of the present disclosure and other advantages realize by structure specifically noted in the specification sheets write, claim book and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present disclosure is described in further detail. Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the disclosure, and forms a part for specification sheets, is used from the explanation disclosure with embodiment one of the present disclosure, does not form restriction of the present disclosure. In the accompanying drawings:
Fig. 1 is the exemplary process diagram of the method eliminating current sound in disclosure embodiment;
Fig. 2 is the exemplary process diagram of the method that current sound eliminated by mobile phone in disclosure embodiment;
Fig. 3 is the first the example arrangement schematic diagram of the device eliminating current sound in disclosure embodiment;
Fig. 4 is the example arrangement schematic diagram of detection module in disclosure embodiment;
Fig. 5 is the example arrangement schematic diagram of determination module in disclosure embodiment;
Fig. 6 is the example arrangement schematic diagram of cancellation module in disclosure embodiment;
Fig. 7 is the 2nd kind of example arrangement schematic diagram of the device eliminating current sound in disclosure embodiment;
Fig. 8 is the example arrangement schematic diagram of the terminating unit provided in disclosure embodiment.
By above-mentioned accompanying drawing, the embodiment that the disclosure is clear and definite is shown, will have more detailed description hereinafter. These accompanying drawings and text description be not in order to by any mode limit the disclosure design scope, but by reference to specific embodiment for those skilled in the art illustrate concept of the present disclosure.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present disclosure is described, it will be appreciated that preferred embodiment described herein is only for instruction and explanation of the disclosure, and is not used in the restriction disclosure.
Disclosure embodiment provides a kind of method eliminating current sound, and the method can realize in terminating unit, such as mobile phone, panel computer, computer etc. Below in conjunction with accompanying drawing, the disclosure is described in detail.
In an embodiment, as shown in Figure 1, the method eliminating current sound in disclosure embodiment comprises:
In step S101, when receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value.
Wherein, waveform rangeability can comprise: voltage change amplitude or variable power amplitude. Voltage or power to sound signal can realize Real-Time Monitoring, wherein, when detecting the voltage change amplitude of sound signal, without the need to sound signal is processed, directly the sound signal received can be detected, thus achieving the speed of detection sound signal, it is possible to the change of Real-Time Monitoring sound signal is conducive to catching in real time current sound.
In an embodiment, when waveform rangeability is voltage change amplitude, whether the voltage of the sound signal that detection receives rangeability from low to high is more than the first preset value. When being superimposed with current sound (TDDnoise) in sound signal, making sound signal become strong, the voltage of sound signal should be change from low to high. Therefore, detect audio signal voltage rangeability from low to high, it is achieved that the sound signal of current sound detects to superposition, it is to increase the accuracy of detected object; Meanwhile, detection audio signal voltage rangeability from low to high, does not detect this voltage by high to Low rangeability, it is to increase detection efficiency.
In step s 102, when the waveform rangeability of sound signal is more than the first preset value, wave recording rangeability is more than the audio signal segment of the first preset value.
Wherein, it is possible to use the sound-recording function recorde audio signal section carried in terminal.
In step s 103, according to audio signal segment, it is determined that the current sound in audio signal segment.
Step S103 can comprise the following steps A1-A2:
Steps A 1: audio signal segment is carried out spectral decomposition, in detection audio signal segment, whether the amplitude of predeterminated frequency sound signal is more than the 2nd preset value.
Steps A 2: when the amplitude of predeterminated frequency sound signal in audio signal segment is more than the 2nd preset value, it is determined that amplitude is current sound more than the predeterminated frequency sound signal of the 2nd preset value.
Predeterminated frequency sound signal is detected by disclosure embodiment, it is to increase the efficiency of detection sound signal, is conducive to determining more quickly and accurately current sound.
In an embodiment, the range of frequency of predeterminated frequency sound signal comprises 210Hz��225Hz or N*210Hz��N*225Hz, and wherein, N is positive integer.
Wherein, current sound is the noise of a fixed frequency, and frequency is the integral multiple of 217Hz or 217Hz. The manifestation of current sound in audio frequency is approximately produce a crest between 210Hz��225Hz, peaks when 217Hz; Or between N*210Hz��N*225Hz produce a crest. Therefore, according to the feature of current sound, detection predeterminated frequency sound signal, it is to increase the accuracy and efficiency of detection current sound.
In step S104, according to current sound, eliminate the current sound in the sound signal received after audio signal segment.
Wherein, step S104 may be embodied as with under type one or mode two:
Mode one: according to the amplitude of current sound and frequency, adopts reverse filtering method to eliminate the current sound in the sound signal received after audio signal segment.
Mode two: according to the frequency of current sound, filtering sound signal medium frequency is the sound signal of amplitude more than the predeterminated frequency of the 2nd preset value.
Above two kinds of modes all can effectively eliminate current sound.
In an embodiment, the sound signal eliminated after current sound can also be exported after step 104, listen to for user. The sound signal eliminated after current sound by exporting so that no longer there is current sound noise in the sound that user hears, it may also be useful to family can clearly receive calls, it is to increase Consumer's Experience.
Disclosure embodiment achieves the Real-Time Monitoring to current sound and catches, by the sound signal comprising current sound caught is carried out spectral decomposition, determine current sound, and the current sound in the sound signal received after eliminating, make that the sound that user hears no longer exists current sound noise, user clearly received calls, it is to increase Consumer's Experience.
Below for mobile phone, the method for the elimination current sound that disclosure embodiment provides is described.
In the process that mobile phone A is made a phone call to mobile phone B, may comprising current sound noise in the call sound that the user of mobile phone B hears, this current sound may be that mobile phone A produces, it is also possible to mobile phone B produces. This specific embodiment adopt disclosure embodiment provide current sound eliminate method the current sound in this communication process is eliminated, its flow process as shown in Figure 2:
In step s 201, when starting to receive calls, whether the waveform rangeability of the sound signal that the mobile phone A that mobile phone B detection receives sends is more than the first preset value.
In step S202, when the waveform rangeability of the sound signal received being detected when mobile phone B more than the first preset value, wave recording rangeability is more than the audio signal segment of the first preset value.
In step S203, audio signal segment is carried out spectral decomposition by mobile phone B, it is determined that the amplitude of the current sound in audio signal segment and frequency.
In step S204, mobile phone B, according to the amplitude of current sound and frequency, adopts reverse filtering method to eliminate the current sound in the sound signal received after audio signal segment.
In step S205, mobile phone B exports the sound signal after eliminating current sound and plays to the user of mobile phone B.
In an embodiment, the direction wave adopting reverse filtering method to eliminate in current sound is not limited to be applied in once call. Such as, first time call terminates postscript and employs in the backward-wave eliminating current sound, and the backward-wave that can continue on applying once to record in second time afterwards is conversed eliminates the current sound in second time call.
In an embodiment, the waveform rangeability that can always detect sound signal in the process conversed each time, whether more than the first preset value, so that catching in real time and determining current sound, then eliminates this current sound. So that eliminate in real time the current sound of the sound signal that terminal receives according to the characteristic of terminal, it is also possible to what make that current sound eliminates is more thorough.
Disclosure embodiment achieves and the waveform rangeability of the sound signal received is detected when starting to receive calls, so that the current sound in the sound signal received after eliminating, it is to increase Consumer's Experience.
On the other hand, also proposing a kind of device eliminating current sound in disclosure embodiment, as shown in Figure 3, this device comprises:
Detection module 301, during for receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
Record module 302, for when the waveform rangeability of sound signal is more than the first preset value, wave recording rangeability is more than the audio signal segment of the first preset value;
Determination module 303, for according to audio signal segment, it is determined that the current sound in audio signal segment;
Cancellation module 304, for according to current sound, eliminating the current sound in the sound signal received after audio signal segment.
In an embodiment, as shown in Figure 4, detection module 301 comprises:
Detecting unit 305, for when waveform rangeability is voltage change amplitude, whether the voltage of the sound signal that detection receives rangeability from low to high is more than the first preset value.
In an embodiment, as shown in Figure 5, it is determined that module 303 comprises:
Analytical unit 306, for audio signal segment is carried out spectral decomposition, in detection audio signal segment, whether the amplitude of predeterminated frequency sound signal is more than the 2nd preset value;
Determining unit 307, for when the amplitude of predeterminated frequency sound signal in audio signal segment is more than the 2nd preset value, it is determined that amplitude is current sound more than the predeterminated frequency sound signal of the 2nd preset value.
In an embodiment, as shown in Figure 6, cancellation module 304 comprises:
Eliminate unit 308, for the amplitude according to current sound and frequency, adopt reverse filtering method to eliminate the current sound in the sound signal received after audio signal segment.
In an embodiment, as shown in Figure 7, this device also comprises:
Output module 309, for exporting the sound signal eliminated after current sound.
On the other hand, also providing a kind of terminating unit in another embodiment of the disclosure, see Fig. 8 structural representation, this terminating unit may be used for the method for the elimination current sound implemented in above-described embodiment. Wherein, this terminal can be mobile phone, panel computer pad, Wearable mobile equipment (such as intelligent watch) etc.
Fig. 8 is terminating unit in disclosure embodiment (can be requesting party's terminal or associated terminal) structural representation. See Fig. 8, this terminal may be used for the method implementing in above-described embodiment to provide. Preferred:
Terminating unit 800 can comprise communication unit 110, the storer 120 including one or more computer-readable recording mediums, input unit 130, display unit 140, sensor 150, voice frequency circuit 160, wireless communication unit 170, include one or the parts such as treater 180 that more than one processes core and power supply 190. It will be appreciated by those skilled in the art that, the terminating unit structure shown in figure does not form the restriction to terminating unit, it is possible to comprises the parts more more or less than diagram, or combines some parts, or different parts are arranged. Wherein:
Communication unit 110 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, and this communication unit 110 can be RF(RadioFrequency, radio frequency) circuit, router, modulator-demodulator unit, etc. network communication equipment.Especially, when the unit 110 that communicates be RF circuit, after the reception of the downlink information of base station, transfer to one or more than one treater 180 processes, in addition, the data relating to upper row are sent to base station. usually, RF circuit as communication unit includes but not limited to antenna, at least one amplifier, tuner, one or more vibrator, subscriber identity module (SIM) card, transceiver, coupling mechanism, LNA(LowNoiseAmplifier, low-noise amplifier), duplexer etc. in addition, communicating unit 110 can also by radio communication and network and other devices communicating. described radio communication can use arbitrary communication standard or agreement, include but not limited to GSM(GlobalSystemofMobilecommunication, global system for mobile communications), GPRS(GeneralPacketRadioService, general packet radio service), CDMA(CodeDivisionMultipleAccess, code division multple access), WCDMA(WidebandCodeDivisionMultipleAccess, the many locations of wideband code division), LTE(LongTermEvolution, long-term evolution), e-mail, SMS(ShortMessagingService, Short Message Service) etc. storer 120 can be used for storing software program and module, and treater 180 is stored in software program and the module of storer 120 by running, thus performs the application of various function and data processing. storer 120 can mainly comprise storage program district and store data field, wherein, stores program district and can store the application program needed for operating system, at least one function (such as sound-playing function, image player function etc.) etc., store the data (such as audio frequency data, phone directory etc.) etc. that data field can store the use according to terminating unit 800 and create. in addition, storer 120 can comprise high-speed random access memory, it is also possible to comprises nonvolatile memory, such as at least one disk memory, flush memory device or other volatile solid-state parts. correspondingly, storer 120 can also comprise storer controller, to provide treater 180 and input unit 130 to the access of storer 120.
Input unit 130 can be used for receiving numeral or the character information of input, and produces to arrange with user and function controls relevant keyboard, mouse, operating stick, optics or track ball signal input. Preferably, input unit 130 and can comprise touch-sensitive surperficial 131 and other input units 132. Touch-sensitive surperficial 131, also referred to as touch display screen or Trackpad, user can be collected or neighbouring touch operation (such as user uses finger, touch any applicable object such as pen or the operation of annex on touch-sensitive surperficial 131 or near touch-sensitive surperficial 131) thereon, and drive corresponding coupling device according to the formula set in advance. Optionally, touch-sensitive surperficial 131 can comprise touch detecting apparatus and touch controller two parts. Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings, send signal to touch controller; Touch controller receives touch information from touch detecting apparatus, and converts it to contact coordinate, then gives treater 180, and can the order sent of receiving processor 180 and performed. In addition, it is possible to adopt the broad varietys such as resistance-type, condenser type, infrared rays and surface acoustic wave to realize touch-sensitive surperficial 131.Except touch-sensitive surperficial 131, input unit 130 can also comprise other input units 132. Preferably, other input units 132 can include but not limited to one or more in physical keyboard, function key (such as volume control button, switch key etc.), track ball, mouse, operating stick etc.
Display unit 140 can be used for showing the various graphical user interface of information or the information being supplied to user and the terminating unit 800 inputted by user, and these graphical user interface can be made up of figure, text, icon, video and its arbitrary combination. Display unit 140 can comprise display panel 141, optionally, it is possible to adopt LCD(LiquidCrystalDisplay, liquid-crystal display), OLED(OrganicLight-EmittingDiode, Organic Light Emitting Diode) etc. form configure display panel 141. Further, touch-sensitive surperficial 131 can cover display panel 141, when touch-sensitive surperficial 131 detect thereon or after neighbouring touch operation, send treater 180 to determine the type of touch event, provide corresponding vision to export with preprocessor 180 on display panel 141 according to the type of touch event. Although in fig. 8, touch-sensitive surperficial 131 is realize input and input function as two independent parts with display panel 141, but in certain embodiments, it is possible to integrated and realize input and output function with display panel 141 by touch-sensitive surperficial 131.
Terminating unit 800 also can comprise at least one sensor 150, such as optical sensor, motion-sensing device and other sensors. Optical sensor can comprise ambient light sensor and close to sensor, wherein, ambient light sensor can regulate the brightness of display panel 141 according to the light and shade of environment light, when terminating unit 800 moves in one's ear, can close display panel 141 and/or backlight close to sensor. As the one of motion-sensing device, Gravity accelerometer can detect the size of the acceleration that (is generally three axles) in all directions, size and the direction of gravity can be detected out time static, can be used for identifying the application (such as anyhow shielding switching, dependent game, magnetometer pose calibrating) of mobile phone attitude, Vibration identification correlation function (such as passometer, knock) etc.; As for other sensors such as the also configurable gyrostat of terminating unit 800, weather gauge, wet bulb thermometer, thermometer, infrared sensors, do not repeat them here.
Voice frequency circuit 160, loud speaker 161, microphone 162 can provide the audio frequency interface between user and terminating unit 800. Voice frequency circuit 160 the audio frequency data that receive can be changed after electrical signal, be transferred to loud speaker 161, be converted to voice signal by loud speaker 161 and export; On the other hand, the voice signal of collection is converted to electrical signal by microphone 162, audio frequency data are converted to after receiving by voice frequency circuit 160, after again audio frequency data output processing device 180 being processed, through RF circuit 110 to be sent to such as another terminating unit, or export audio frequency data to storer 120 to process further. Voice frequency circuit 160 also may comprise earphone jack, to provide peripheral hardware earphone and the communication of terminating unit 800.
In order to realize radio communication, this terminating unit can being configured with wireless communication unit 170, this wireless communication unit 170 can be WIFI(WirelessFidelity, Wireless Fidelity) module. WIFI belongs to short range wireless transmission technology, and terminating unit 800 can help user to send and receive e-mail by wireless communication unit 170, browse webpage and access streaming media etc., and its broadband internet wireless for user provides is accessed.Although there is shown wireless communication unit 170, it should be understood that, it does not belong to must forming of terminating unit 800, can omit in the scope of essence not changing invention as required completely.
Treater 180 is the control center of terminating unit 800, utilize various interface and each part of the whole mobile phone of connection, by running or perform the software program that is stored in storer 120 and/or module, and call the data being stored in storer 120, perform various function and the process data of terminating unit 800, thus mobile phone is carried out integral monitoring. Optionally, treater 180 can comprise one or more process core; Preferably, treater 180 can Integrated predict model treater and modem processor, wherein, answer purpose processor mainly to process operating system, user interface and application program etc., modem processor mainly processes radio communication. It should be appreciated that above-mentioned modem processor can not also be integrated in treater 180.
Terminating unit 800 also comprises to the power supply 190(such as battery that each parts are powered), preferably, power supply can be connected with treater 180 logic by power-supply management system, thus realized the functions such as management charging, electric discharge and power managed by power-supply management system. Power supply 190 can also comprise one or more direct current or AC power, recharges system, power failure detection circuit, Power convert device or the random component such as invertor, power supply status indicator. Although not illustrating, terminating unit 800 can also comprise camera, bluetooth module etc., does not repeat them here.
In the disclosed embodiments, terminating unit also includes storer, and one or more than one program, one of them or more than one program are stored in storer, and are configured to perform described one or more than one routine package containing the instruction for carrying out following operation by one or more than one treater:
When receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
When the waveform rangeability of sound signal is more than the first preset value, wave recording rangeability is more than the audio signal segment of the first preset value;
According to audio signal segment, it is determined that the current sound in audio signal segment;
According to current sound, eliminate the current sound in the sound signal received after audio signal segment.
Storer is also for performing following instruction: when waveform rangeability is voltage change amplitude, and whether the waveform rangeability of the sound signal that detection receives, more than the first preset value, comprising:
Whether the voltage of the sound signal that detection receives rangeability from low to high is more than the first preset value.
Storer is also for performing following instruction:
Audio signal segment is carried out spectral decomposition, and in detection audio signal segment, whether the amplitude of predeterminated frequency sound signal is more than the 2nd preset value;
When the amplitude of predeterminated frequency sound signal in audio signal segment is more than the 2nd preset value, it is determined that amplitude is current sound more than the predeterminated frequency sound signal of the 2nd preset value.
Storer is also for performing following instruction: according to the amplitude of current sound and frequency, adopts reverse filtering method to eliminate the current sound in the sound signal received after audio signal segment.
Storer is also for performing following instruction: export the sound signal eliminated after current sound.
Disclosure embodiment achieves the Real-Time Monitoring to current sound and catches, by the sound signal comprising current sound caught is carried out spectral decomposition, determine current sound, and the current sound in the sound signal received after eliminating, make that the sound that user hears no longer exists current sound noise, user clearly received calls, it is to increase Consumer's Experience.
In addition, typically, the mobile terminal described in the disclosure can be various hand-held terminal device, such as mobile phone, personal digital assistant (PDA) etc., and therefore protection domain of the present disclosure should not be defined as the mobile terminal of certain particular type.
In addition, the computer program performed by CPU can also be implemented as according to method of the present disclosure. When this computer program is performed by CPU, perform in method of the present disclosure the above-mentioned functions limited.
In addition, the computer readable storage devices of the computer program that aforesaid method step and system element can also utilize controller and make controller realize above-mentioned steps or unit function for storing realizes.
In addition, it will be understood that computer readable storage devices as herein described (such as, storer) can be volatile memory or nonvolatile memory, or can comprise volatile memory and nonvolatile memory. As an example but not restrictive, nonvolatile memory can comprise read-only storage (ROM), ROM able to programme (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash device. Volatile memory can comprise random access memory (RAM), and this RAM can serve as external cache. As an example but not restrictive, RAM can obtain in a variety of forms, such as synchronous random access memory (DRAM), dynamically RAM (DRAM), synchronous dram (SDRAM), Double Data speed SDRAM (DDRSDRAM), enhancing SDRAM (ESDRAM), synchronous link DRAM (SLDRAM) and direct RambusRAM (DRRAM). The storing device of disclosed aspect is intended to include but not limited to the storer of these and other suitable type.
Those skilled in the art will also understand is that, may be implemented as electronic hardware, computer software or both combinations in conjunction with the various illustrative logical blocks described by disclosure herein, module, circuit and algorithm steps. In order to this kind of interchangeableness of hardware and software is clearly described, it has been carried out general description by function with regard to various exemplary components, square, module, circuit and step. This kind of function is implemented as software or is implemented as hardware and depend on embody rule and be applied to the design constraint of whole system. Those skilled in the art can realize described function for often kind of embody rule in various mode, but this kind realizes determining should not be interpreted as causing departing from the scope of the present disclosure.
The following parts being designed to perform function described here can be utilized to realize or perform in conjunction with the various illustrative logical blocks described by disclosure herein, module and circuit: any combination of general procedure device, digital signal processor (DSP), application specific integrated circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device part, discrete gate or transistor logic, discrete hardware assembly or these parts. General procedure device can be microprocessor, but alternatively, treater can be any conventional processors, controller, microcontroller or state machine. Treater can also be implemented as the combination of calculating equipment, and such as, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessor configure in conjunction with DSP core or other this kind any.
In the software module can directly comprise within hardware in conjunction with the step of the method described by disclosure herein or algorithm, performed by treater or in the combination of both. Software module can reside in the storage media of RAM memory, flash device, ROM memory, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or other form any known in the art.Exemplary storage media is coupled to treater so that treater can read information or to this storage media written information from this storage media. In an alternative, described storage media can be integral to the processor together. Treater and storage media can reside in ASIC. ASIC can be in the user terminal resident. In an alternative, treater and storage media can reside in user terminal as discrete assembly.
In one or more exemplary design, described function can realize in hardware, software, firmware or its arbitrary combination. If realized in software, then described function can be transmitted on a computer-readable medium or by computer-readable medium as one or more instruction or code storage. Computer-readable medium comprises computer-readable storage medium and communication media, and this communication media comprises any medium contributing to computer program is sent to another position from a position. Storage media can be can by any usable medium of universal or special computer access. As an example but not restrictive, this computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc memory apparatus, disk storage equipment or other magnetic storage apparatus, or may be used for carrying or file layout be instruction or data structure required program code and can by other medium any of universal or special computer or the access of universal or special treater. In addition, any connection can suitably be called computer-readable medium. Such as, if the wireless technology using coaxial cable, optical fiber cable, twisted-pair feeder, digital subscriber line (DSL) or such as infrared rays, wireless and microwave is come from website, server or other remote source send software, then the wireless technology of above-mentioned coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared first, wireless and microwave includes the definition at medium. As used herein, disk and CD comprise compact disk (CD), laser disk, CD, digital versatile disc (DVD), floppy disk, Blu-ray disc, wherein disk magnetically reproduces data usually, and CD reproduces data with utilizing laser optics. The combination of foregoing also should be included in the scope of computer-readable medium.
Although disclosed content shows exemplary embodiment of the present disclosure above, but it should be appreciated that, under the prerequisite of the scope of the present disclosure not deviating from scope, it is possible to carry out multiple change and amendment. The function of the claim to a method according to disclosed embodiment described herein, step and/or action need to not perform with any particular order. In addition, although element of the present disclosure can describe or requirement with individual form, but it is also contemplated that multiple, it is odd number unless explicitly limited.
Above-described embodiment; object of the present disclosure, technical scheme and useful effect have been further described; it is it should be understood that; the foregoing is only embodiment of the present disclosure; and be not used in and limit protection domain of the present disclosure; all within spirit of the present disclosure and principle, any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present disclosure.
Claims (11)
1. eliminate the method for current sound for one kind, it is characterised in that, described method comprises:
When receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
When the waveform rangeability of described sound signal exceedes described first preset value, record the audio signal segment that described waveform rangeability exceedes described first preset value;
According to described audio signal segment, it is determined that the current sound in described audio signal segment;
According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment;
Described according to described audio signal segment, it is determined that the current sound in described audio signal segment, comprising:
Described audio signal segment is carried out spectral decomposition, and whether the amplitude detecting predeterminated frequency sound signal in described audio signal segment is more than the 2nd preset value;
When in described audio signal segment, the amplitude of predeterminated frequency sound signal exceedes described 2nd preset value, it is determined that it is current sound that described amplitude exceedes the predeterminated frequency sound signal of described 2nd preset value.
2. method according to claim 1, it is characterised in that,
Described waveform rangeability comprises: voltage change amplitude or variable power amplitude.
3. method according to claim 2, it is characterised in that,
When described waveform rangeability is described voltage change amplitude, whether the waveform rangeability of the sound signal that described detection receives, more than the first preset value, comprising:
Whether the voltage of the sound signal that detection receives rangeability from low to high exceedes described first preset value.
4. method according to claim 1, it is characterised in that,
The range of frequency of described predeterminated frequency sound signal comprises 210Hz��225Hz or N*210Hz��N*225Hz, and wherein, N is positive integer.
5. method according to claim 1, it is characterised in that, according to described current sound, eliminate the current sound in the sound signal received after described audio signal segment, comprising:
Amplitude according to described current sound and frequency, adopt reverse filtering method to eliminate the current sound in the sound signal received after described audio signal segment.
6. method according to claim 1, it is characterised in that, described according to described current sound, after eliminating the current sound in the sound signal received after described audio signal segment, described method also comprises:
Export the sound signal eliminated after current sound.
7. eliminate the device of current sound for one kind, it is characterised in that, described device comprises:
Detection module, during for receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
Record module, for when the waveform rangeability of described sound signal exceedes described first preset value, recording the audio signal segment that described waveform rangeability exceedes described first preset value;
Determination module, for according to described audio signal segment, it is determined that the current sound in described audio signal segment;
Cancellation module, for according to described current sound, eliminating the current sound in the sound signal received after described audio signal segment;
Described determination module comprises:
Analytical unit, for described audio signal segment is carried out spectral decomposition, whether the amplitude detecting predeterminated frequency sound signal in described audio signal segment is more than the 2nd preset value;
Determining unit, for when in described audio signal segment, the amplitude of predeterminated frequency sound signal exceedes described 2nd preset value, it is determined that it is current sound that described amplitude exceedes the predeterminated frequency sound signal of described 2nd preset value.
8. device according to claim 7, it is characterised in that, described detection module comprises:
Detecting unit, for when described waveform rangeability is voltage change amplitude, whether the voltage of the sound signal that detection receives rangeability from low to high exceedes described first preset value.
9. device according to claim 7, it is characterised in that, described cancellation module comprises:
Eliminate unit, for the amplitude according to described current sound and frequency, adopt reverse filtering method to eliminate the current sound in the sound signal received after described audio signal segment.
10. device according to claim 7, it is characterised in that, described device also comprises:
Output module, for exporting the sound signal eliminated after current sound.
11. 1 kinds of terminating units, it is characterized in that, described terminating unit includes storer, and one or more than one program, one of them or more than one program are stored in storer, and are configured to perform described one or more than one routine package containing the instruction for carrying out following operation by one or more than one treater:
When receiving calls, whether the waveform rangeability of the sound signal that detection receives is more than the first preset value;
When the waveform rangeability of described sound signal exceedes described first preset value, record the audio signal segment that described waveform rangeability exceedes described first preset value;
According to described audio signal segment, it is determined that the current sound in described audio signal segment;
According to described current sound, eliminate the current sound in the sound signal received after described audio signal segment;
Described according to described audio signal segment, it is determined that the current sound in described audio signal segment, comprising:
Described audio signal segment is carried out spectral decomposition, and whether the amplitude detecting predeterminated frequency sound signal in described audio signal segment is more than the 2nd preset value;
When in described audio signal segment, the amplitude of predeterminated frequency sound signal exceedes described 2nd preset value, it is determined that it is current sound that described amplitude exceedes the predeterminated frequency sound signal of described 2nd preset value.
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| CN105761726B (en) * | 2014-12-15 | 2018-01-09 | 华为终端（东莞）有限公司 | A kind of method and apparatus of elimination TDD noises |
| CN107040637A (en) * | 2017-06-06 | 2017-08-11 | 深圳天珑无线科技有限公司 | Eliminate method, mobile terminal and the computer-readable recording medium of current sound |
| CN108737932B (en) * | 2018-05-23 | 2021-03-26 | 努比亚技术有限公司 | Terminal squeaking prevention method, terminal and computer readable storage medium |
| CN114286258A (en) * | 2021-12-23 | 2022-04-05 | 歌尔科技有限公司 | Current sound eliminating method and device, earphone and computer readable storage medium |
| CN114640926B (en) * | 2022-03-31 | 2023-11-17 | 歌尔股份有限公司 | Current sound detection method, device, equipment and computer readable storage medium |
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| CN103077727A (en) * | 2013-01-04 | 2013-05-01 | 华为技术有限公司 | Method and device used for speech quality monitoring and prompting |
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| US20090225999A1 (en) * | 2008-03-05 | 2009-09-10 | Neofidelity, Inc. | Method for cancelling TDD noise and stereo headphone employing the same |
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| CN103077727A (en) * | 2013-01-04 | 2013-05-01 | 华为技术有限公司 | Method and device used for speech quality monitoring and prompting |
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