CN108924352A - Sound quality method for improving, terminal and computer readable storage medium - Google Patents
Sound quality method for improving, terminal and computer readable storage medium Download PDFInfo
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- CN108924352A CN108924352A CN201810693466.2A CN201810693466A CN108924352A CN 108924352 A CN108924352 A CN 108924352A CN 201810693466 A CN201810693466 A CN 201810693466A CN 108924352 A CN108924352 A CN 108924352A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/003—Changing voice quality, e.g. pitch or formants
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of sound quality method for improving, this method includes：Whether detecting has earphone to access intelligent terminal；Judge whether the intelligent terminal is currently exporting audio content to the earphone；When the intelligent terminal is currently when exporting audio content to the earphone, into noise reduction mode, the microphone for passing through the terminal acquires outside noise signal；And noise neutralisation signals are generated according to the outside noise signal of acquisition, and the noise neutralisation signals are exported together with the audio content to the earphone.The embodiment of the invention also discloses a kind of intelligent terminal and computer readable storage mediums.Thereby, it is possible to realize the interference for effectively eliminating outside noise on the basis of not increasing hardware on the earphone to the audio content in the earphone, the audio experience of user is improved, while saving user cost.
Description
Technical field
The present invention relates to audio play-back technology field more particularly to a kind of sound quality method for improving, terminal and computer-readable
Storage medium.
Background technique
The appearance of intelligent terminal is greatly enriched people's lives, is listened to music on intelligent terminal by earphone, sees view
Frequently, progress voice communication etc. has become a part for people's daily life.However, noise is ubiquitous in life, when passing through
Earphone inevitably will receive the dry of ambient noise when listening to music on intelligent terminal, seeing video or progress voice communication etc.
It disturbs.In this regard, having noise cancelling headphone currently on the market, it is specifically divided into two classes：Active noise cancelling headphone and passive type noise cancelling headphone.
The principle that active noise cancelling headphone uses is that the reversed sound wave equal with ambient noise is generated by noise reduction system, will
Noise neutralizes, to realize the effect of noise reduction.Though noise reduction effect is fine, need earphone built-in microphone, Dolby circuit and
Power supply, and when power supply is out of power, can not work.Passive type noise cancelling headphone, which mainly passes through, surrounds ear formation enclosure space, or adopts
Stop outside noise with acoustic materials such as silica gel earplugs.Though certain soundproof effect can be played, due to without Dolby circuit
Chip processing can only generally obstruct high-frequency noise, unobvious to low-frequency noise noise reduction effect.
It can be seen that the prior art, which does not provide one kind, effectively eliminates outside noise in the case where not increasing equipment cost
The method that audio data in earphone is interfered.
Summary of the invention
It is a primary object of the present invention to propose a kind of sound quality method for improving, intelligent terminal and computer-readable storage medium
Matter, it is intended to solve not effectively eliminating what outside noise interfered audio data in earphone in the case where not increasing user cost
Problem.
To achieve the above object, a kind of sound quality method for improving provided by the invention, the method comprising the steps of：Whether detecting has
Earphone accesses intelligent terminal；Judge whether the intelligent terminal is currently exporting audio content to the earphone；When the intelligence
Terminal currently when exporting audio content to the earphone, into noise reduction mode, is acquired extraneous by the microphone of the terminal
Noise signal；And according to the outside noise signal of acquisition generate noise neutralisation signals, and by the noise neutralisation signals with
The audio content is exported together to the earphone.
Optionally, the method further includes step before described the step of entering noise reduction mode：Receive user's input
Noise reduction control instruction；And the sound collection function of microphone is activated according to the noise reduction control instruction.
Optionally, the noise neutralisation signals are, the sound waves of opposite in phase identical as the outside noise amplitude of acquisition.
Optionally, the noise reduction mode includes a variety of noise reduction schemes, and the method described in the noise reduction mode further includes step
Suddenly：Receive the noise reduction schemes selection instruction of user's input；Corresponding noise reduction schemes are selected according to the noise reduction schemes selection instruction；
Outside noise signal is acquired by the microphone；And believed according to the selected noise reduction schemes and the outside noise of acquisition
Number, noise neutralisation signals are generated, and the noise neutralisation signals are exported together with the audio content to the earphone.
It optionally, further include step before the generation noise neutralisation signals：Judge the outside noise letter of the acquisition
It whether include music signal or voice signal in number；And when in the noise signal of the acquisition include music signal or voice signal
When, the music signal or the voice signal are eliminated.
Optionally, every kind of noise reduction schemes in the multiple noise reduction schemes correspond to one group of noise reduction configuration parameter, for controlling
Make the noise reduction capability of the noise reduction schemes.
In addition, to achieve the above object, the present invention also proposes that a kind of intelligent terminal, the intelligent terminal include：Memory,
The sound quality that processor, microphone and being stored in can be run on the memory and on the processor promotes program, the sound
Matter is promoted when program is executed by the processor and is realized such as the step of above-mentioned sound quality method for improving.
Further, to achieve the above object, the present invention also provides a kind of computer readable storage medium, the computers
It is stored with sound quality on readable storage medium storing program for executing and promotes program, the sound quality is promoted when program is executed by processor and realizes such as above-mentioned sound
The step of matter method for improving.
Sound quality method for improving, intelligent terminal and computer readable storage medium proposed by the present invention can pass through intelligent end
End itself is realized on the basis of not increasing equipment cost, effectively by the acquisition of outside noise and the generation of noise neutralisation signals
Eliminate interference of the outside noise to the audio data in the earphone for accessing the intelligent terminal.
Detailed description of the invention
The hardware structural diagram of Fig. 1 intelligent terminal of each embodiment to realize the present invention；
Fig. 2 is the wireless communication system schematic diagram of intelligent terminal as shown in Figure 1；
Fig. 3 is a kind of flow chart for sound quality method for improving that first embodiment of the invention proposes；
Fig. 4 is the schematic illustration that neutralization noise signal and outside noise signal of the invention carry out interference counteracting；
Fig. 5 is a kind of flow chart for sound quality method for improving that second embodiment of the invention proposes；
Fig. 6 is a kind of flow chart for sound quality method for improving that third embodiment of the invention proposes；
Fig. 7 is a kind of flow chart for sound quality method for improving that fourth embodiment of the invention proposes；
Fig. 8 is the module diagram for the intelligent terminal that fifth embodiment of the invention proposes；
Fig. 9 is a kind of module diagram for sound quality lifting system that sixth embodiment of the invention proposes；
Figure 10 is a kind of module diagram for sound quality lifting system that seventh embodiment of the invention proposes；
Figure 11 is a kind of module diagram for sound quality lifting system that eighth embodiment of the invention proposes；
Figure 12 is a kind of module diagram for sound quality lifting system that ninth embodiment of the invention proposes.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, plate
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
The intelligence such as media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer
The fixed terminals such as energy terminal, and number TV, desktop computer.
It will be illustrated by taking intelligent terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware structural diagram of its intelligent terminal of each embodiment to realize the present invention, the intelligence
Can terminal 100 may include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Intelligent terminal structure does not constitute the restriction to intelligent terminal, and intelligent terminal may include components more more or fewer than diagram,
Perhaps certain components or different component layouts are combined.
It is specifically introduced below with reference to all parts of the Fig. 1 to intelligent terminal：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and intelligent terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for intelligent terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in intelligent terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is received or
The audio data stored in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103
Audio output relevant to the specific function that intelligent terminal 100 executes can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 may include loudspeaker, buzzer etc..
A/V input unit 104 is for receiving audio or video signal.A/V input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case where telephone calling model.
Microphone 1042 can be implemented various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Intelligent terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when intelligent terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with intelligent terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
It is one or more, specifically herein without limitation.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the function that outputs and inputs of realizing intelligent terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of intelligent terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one device connect with intelligent terminal 100 can by interface.For example, device
It may include wired or wireless headphone port, power supply (or battery charger) port, wired or wireless data port, deposit
Card storage port, for connect the port of device with identification module, the port audio input/output (I/O), video i/o port,
Ear port etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from device simultaneously
And by one or more elements that the input received is transferred in intelligent terminal 100 or it can be used in intelligent terminal 100
Data are transmitted between device.
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of intelligent terminal, utilizes each of various interfaces and the entire intelligent terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of intelligent terminal, to carry out integral monitoring to intelligent terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Intelligent terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, intelligent terminal 100 can also be including bluetooth module etc., and details are not described herein.
Embodiment to facilitate the understanding of the present invention, the communications network system that intelligent terminal of the invention is based below into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system architecture diagram provided in an embodiment of the present invention, the communication network system
System is the LTE system of universal mobile communications technology, which includes UE (User Equipment, the use of successively communication connection
Family equipment) (the land Evolved UMTS Terrestrial Radio Access Network, evolved UMTS 201, E-UTRAN
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 may include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and preserves some related service features, data rates etc. and use
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address distribution and other functions, PCRF2036 are strategy and the charging control strategic decision-making of business data flow and IP bearing resource
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 may include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art should know the present invention is not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And the following new network system etc., herein without limitation.
Based on above-mentioned intelligent terminal hardware structure and communications network system, each embodiment of the method for the present invention is proposed.
Embodiment one
As shown in figure 3, first embodiment of the invention proposes a kind of sound quality method for improving, this approach includes the following steps：
Whether S300, detecting have earphone to access intelligent terminal.
Specifically, whether the earphone interface of monitor terminal, detecting have earphone to access the terminal by the earphone interface,
And whether the Bluetooth switch of monitor terminal, detecting have earphone to establish connection by bluetooth approach and the terminal.Wherein, institute
Stating terminal may include such as mobile phone, tablet computer, laptop, palm PC, personal digital assistant (Personal
Digital Assistant, PDA), portable media player (Portable Media Player, PMP), navigation device,
The fixed terminals such as the intelligent terminals such as wearable device, Intelligent bracelet, pedometer, and number TV, desktop computer.
S302, judges whether the intelligent terminal is currently exporting audio content to the earphone.
Specifically, the audio output unit for monitoring the intelligent terminal judges that the intelligent terminal is worked as according to monitoring result
It is preceding whether to export audio content to the earphone.
S304, when the intelligent terminal currently to the earphone export audio content when, into noise reduction mode, pass through institute
State the microphone acquisition outside noise signal of terminal.
S306 generates noise neutralisation signals according to the outside noise signal of acquisition, and by the noise neutralisation signals
It is exported together with the audio content to the earphone.
Specifically, when the intelligent terminal is when exporting audio content to the earphone, the wheat that is carried by the terminal
Gram elegance collection outside noise signal, and generated according to the outside noise signal of acquisition and the outside noise signal amplitude phase
Together, frequency is identical, but the noise neutralisation signals of opposite in phase (180 ° of difference), will be in the noise neutralisation signals and the audio
Appearance is exported together to the earphone, to carry out interference counteracting with the noise signal.As shown in figure 4, for noise neutralisation signals with
Outside noise signal carries out the schematic illustration of interference counteracting.
The present embodiment propose sound quality method for improving, can detect intelligent terminal to earphone export audio content when,
Into noise reduction mode, so that the intelligent terminal is acquired outside noise signal by self-contained microphone and carry out corresponding extraneous
The elimination of noise signal improves the quality of audio content in the earphone on the basis of not increasing equipment cost.
Embodiment two
As shown in figure 5, second embodiment of the invention proposes a kind of sound quality method for improving.In a second embodiment, the sound
The step S400-S402 of matter method for improving and the step S300-S302 of first embodiment are similar, step S408-S410 and
The step S304-S306 of one embodiment is similar, and difference is that this method further includes step S404-S406.
This approach includes the following steps：
S404, when the intelligent terminal currently to the earphone export audio content when, receive user input noise reduction
Control instruction.
Specifically, when the intelligent terminal currently to the earphone export audio content when, activate the intelligent terminal
Receiving unit, receive the noise reduction control instruction that inputs by input unit of user.In the present embodiment, the noise reduction control instruction
It can be generated by touch control operation of the user on the Touch Screen of the intelligent terminal, the intelligence as described in user's operation is eventually
Produced by key on end, the voice messaging or gesture information that can also be inputted from user to the intelligent terminal are generated, this hair
It is bright without limitation.
S406 activates the sound collection function of microphone according to the noise reduction control instruction, into noise reduction mode.
Specifically, when receiving the noise reduction control instruction of user's input, Mike is activated according to the noise reduction control instruction
Wind, to prepare the acquisition of subsequent outside noise signal.
S408 acquires outside noise signal by the microphone of the terminal.
S410 generates noise neutralisation signals according to the outside noise signal of acquisition, and by the noise neutralisation signals
It is exported together with the audio content to the earphone.
Specifically, after the microphone is activated, outside noise signal is acquired by microphone, and according to the institute of acquisition
It states outside noise signal and generates identical with the outside noise signal amplitude, frequency is identical, but opposite in phase (differ 180 °)
Noise neutralisation signals export the noise neutralisation signals together with the audio content to the earphone, with the noise
Signal carries out interference counteracting.
The sound quality method for improving that the present embodiment proposes can export audio content to earphone detecting intelligent terminal and connect
When receiving the noise reduction control instruction of user's input, outside noise signal is acquired, by the side for generating simultaneously output noise neutralisation signals
Formula carries out the elimination of the outside noise in earphone, has reached the noise elimination behaviour that intelligent terminal can be opened according to user's actual need
The effect of work.
Embodiment three
As shown in fig. 6, third embodiment of the invention proposes a kind of sound quality method for improving.In the third embodiment, the sound
The step S500-S502 of matter method for improving and the step S300-S302 of first embodiment are similar, and difference is that this method is also wrapped
Include step S504-S510, wherein step S506 and S508 can both be executed according to label sequence, also may be performed simultaneously.
This approach includes the following steps：
S504, into noise reduction mode, receives user if the intelligent terminal is currently exporting audio content to the earphone
The noise reduction schemes selection instruction of input.
Specifically, the intelligent terminal includes a variety of noise reduction schemes, when the intelligent terminal is currently defeated to the earphone
Out when audio content, the receiving unit of the intelligent terminal is activated, receives the noise reduction schemes selection instruction of user's input.This implementation
In example, every kind of noise reduction schemes correspond to one group of preset configuration parameter, for controlling the noise reduction capability and noise reduction of corresponding noise reduction schemes
Sensitivity.For example, the intelligent terminal offer noise reduction capability is respectively：Weaker, medium, stronger three kinds of noise reduction schemes, for
User selects according to actual needs.In the present embodiment, what the numerical value of the preset configuration parameter can also be inputted according to user
Adjustment instruction is adjusted.
For example, since outside noise is smaller, then may be used when user is when library or other more quiet places are listened to music
The noise reduction schemes for selecting noise reduction capability weaker.When user passes through earphone receiving phone in more noisy environment, due to outer
Boundary's noise is larger, then the stronger noise reduction schemes of noise reduction capability may be selected to reduce extraneous environmental noise to voice signal in earphone
Interference.And when user is after selection noise reduction capability stronger noise reduction schemes, it is also desirable to when having higher noise reduction sensitivity, also
Can be actively entered parameter adjustment instruction, realize the noise reduction sensitivity to noise reduction schemes from main regulation.
S506 selects corresponding noise reduction schemes according to the noise reduction schemes selection instruction.
Specifically, corresponding scheme is selected from a variety of noise reduction schemes according to the noise reduction schemes selection instruction.For example,
When the noise reduction schemes selection instruction of user's input is " weaker ", noise reduction energy is selected from three kinds of noise reduction schemes according to described instruction
Power is weaker noise reduction schemes.
S508 acquires outside noise signal by microphone.
Specifically, outside noise signal is acquired by microphone, the microphone is either the wheat that intelligent terminal carries
Gram wind, is also possible to the self-contained microphone of the earphone.
S510 generates noise neutralisation signals according to the outside noise signal of the selected noise reduction schemes and acquisition,
And the noise neutralisation signals are exported together with the audio content to the earphone.
Specifically, according to the outside noise signal that the selected noise reduction schemes and the microphone acquire generate with it is described
Noise amplitude signal is identical, the noise neutralisation signals of opposite in phase (difference 180 °), and by the noise neutralisation signals with it is described
Audio content is exported together to the earphone, to carry out interference counteracting with the noise signal.
The sound quality method for improving that the present embodiment proposes, can provide a variety of noise reduction capabilities different noise reduction modes for user,
And the outside noise in earphone is eliminated according to the noise reduction schemes that user selects, reach according to user to noise reduction capability
The effect that the outside noise signal in earphone is eliminated in actual demand.
Example IV
As shown in fig. 7, fourth embodiment of the invention proposes a kind of sound quality method for improving.In the fourth embodiment, the sound
The step S600-S606 of matter method for improving and the step S400-S406 of second embodiment are similar, and difference is step S608-
S614。
This approach includes the following steps：
S608 acquires outside noise signal by microphone, and judges whether wrap in the outside noise signal of the acquisition
Include music signal or voice signal.
Specifically, when carrying out outside noise acquisition by microphone, judge whether the intelligent terminal is broadcast in music
Put state or voice call state.It include sound in the noise signal of the acquisition if the intelligent terminal is playing music
Music signal；It include voice signal in the noise signal of the acquisition if the intelligent terminal is carrying out voice communication.
S610 believes the music when in the outside noise signal of the acquisition including music signal or voice signal
Number or the voice signal eliminate.
S612 generates noise neutralisation signals according to the noise signal after the elimination music signal or the voice signal,
The noise neutralisation signals are exported together with the audio content to the earphone.
Specifically, by the music signal in the outside noise signal or after the voice signal eliminates, according to surplus
Remaining outside noise signal generates, the noise neutralization of opposite in phase (difference 180 °) identical as the outside noise signal amplitude
Signal exports the noise neutralisation signals together with the audio content to the earphone, to carry out with the noise signal
Interference is offset.
S614, when not including music signal or voice signal in the outside noise signal of the acquisition, according to acquisition
The outside noise signal generates noise neutralisation signals, and the noise neutralisation signals is exported together with the audio content
To the earphone.
The sound quality method for improving that the present embodiment proposes can export audio content to earphone detecting intelligent terminal and connect
When receiving the noise reduction control instruction of user's input, outside noise signal is acquired, by the side for generating simultaneously output noise neutralisation signals
Formula carries out the elimination of the outside noise in earphone, has reached the noise elimination behaviour that intelligent terminal can be opened according to user's actual need
The effect of work.
Embodiment five
As shown in figure 8, sixth embodiment of the invention proposes a kind of intelligent terminal 2.The intelligent terminal 2 includes memory
20, processor 22, microphone 24 and sound quality lifting system 26.
Wherein, the memory 20 includes at least a type of readable storage medium storing program for executing, is installed on the intelligence for storing
The operating system of energy terminal 2 and types of applications software, such as the program code of sound quality lifting system 26 etc..In addition, the storage
Device 20 can be also used for temporarily storing the Various types of data that has exported or will export.
The processor 22 can be in some embodiments central processing unit (Central Processing Unit,
CPU), controller, microcontroller, microprocessor or other data processing chips.The processor 22 is commonly used in the control intelligence
The overall operation of energy terminal 2.In the present embodiment, the processor 22 is for running the program code stored in the memory 20
Or processing data, such as run the sound quality lifting system 26 etc..
The acoustic processing of acquisition can be audio data for acquiring sound by the microphone 24.
Embodiment six
As shown in figure 9, seventh embodiment of the invention proposes a kind of sound quality lifting system 28.In the present embodiment, the sound
Matter lifting system 28 includes：Detecting module 800, first judgment module 810 and noise reduction module 820.Noise reduction module 820 includes signal
Acquisition unit 822, signal generation unit 824 and signal output unit 826.
Whether detecting module 800 has earphone to access intelligent terminal for detecting.
Specifically, for detecting module 800 for being monitored to the earphone interface of the intelligent terminal, whether detecting has earphone
The intelligent terminal is accessed by the earphone interface, and, the Bluetooth switch of the intelligent terminal is monitored, detecting is
It is no to there is earphone to establish connection by bluetooth approach and the intelligent terminal.
First judgment module 810, for judging whether the intelligent terminal is currently exporting audio content to the earphone.
Specifically, first judgment module 810 is used to monitor the audio output unit of the intelligent terminal, according to testing result
Judge whether the intelligent terminal is currently exporting audio content to the earphone.
Noise reduction module 820, for when the intelligent terminal is currently when exporting audio content to the earphone, described in control
Intelligent terminal enters noise reduction mode.
Signal acquisition unit 822 is used for when the intelligent terminal is when exporting audio content to the earphone, by described
The microphone that terminal carries acquires outside noise signal.
Signal generation unit 824, for being generated and the outside noise signal according to the outside noise signal of acquisition
Amplitude is identical, the noise neutralisation signals of opposite in phase (180 ° of difference).
Signal output unit 826, for being exported the noise neutralisation signals together with the audio content to the ear
Machine, to carry out interference counteracting with the noise signal.
Embodiment seven
As shown in Figure 10, eighth embodiment of the invention proposes a kind of sound quality lifting system 28.In the present embodiment, the sound
Matter lifting system 28 is in addition to including the detecting module 800 in the 5th embodiment, first judgment module 810, noise reduction module 820
Except, it further include the first receiving module 830 and active module 840.
First receiving module 830, for when the intelligent terminal currently to the earphone export audio content when, receive
The noise reduction control instruction of user's input.
Specifically, the first receiving module 830 is used to currently export audio content to the earphone when the intelligent terminal
When, receive the noise reduction control instruction that user is inputted by input unit.In the present embodiment, the noise reduction control instruction can by with
Touch control operation of the family on the Touch Screen of the intelligent terminal generates, and can also press on the intelligent terminal as described in user's operation
Produced by key, the voice messaging that can also be inputted from user to the intelligent terminal is generated, and the present invention is without limitation.
Active module 840, for activating the sound collection function of microphone according to the noise reduction control instruction.
Specifically, active module 840 is used for when receiving the noise reduction control instruction of user's input, according to the noise reduction control
System instruction activates the microphone 26 of the terminal, to prepare the acquisition of subsequent outside noise signal.
Embodiment eight
As shown in figure 11, ninth embodiment of the invention proposes a kind of sound quality lifting system 28.In the present embodiment, the sound
Matter lifting system 28 is in addition to including the detecting module 800, first judgment module 810 and the noise reduction module in sixth embodiment
It further include the second receiving module 850 and selecting module 860 except 820.
Second receiving module 850, for when the intelligent terminal currently to the earphone export audio content when, receive
The noise reduction schemes selection instruction of user's input.
Specifically, the intelligent terminal includes a variety of noise reduction schemes, and the second receiving module 850 is used to work as the intelligent terminal
Currently when exporting audio content to the earphone, the receiving unit of the intelligent terminal is activated, receives the noise reduction of user's input
Scheme selection instructions.In the present embodiment, every kind of noise reduction schemes correspond to one group of preset configuration parameter, for controlling corresponding noise reduction side
The noise reduction capability and noise reduction sensitivity of case.For example, the intelligent terminal offer noise reduction capability is respectively：It is weaker, medium, stronger
Three kinds of noise reduction schemes, so that user selects according to actual needs.In the present embodiment, the numerical value of the preset configuration parameter is also
The adjustment instruction that can be inputted according to user is adjusted.
For example, since outside noise is smaller, then may be used when user is when library or other more quiet places are listened to music
The noise reduction schemes for selecting noise reduction capability weaker.When user passes through earphone receiving phone in more noisy environment, due to outer
Boundary's noise is larger, then the stronger noise reduction schemes of noise reduction capability may be selected to reduce extraneous environmental noise to voice signal in earphone
Interference.And when user is after selection noise reduction capability stronger noise reduction schemes, it is also desirable to when having higher noise reduction sensitivity, also
Can be actively entered configuration parameter adjustment instruction, realize the noise reduction sensitivity to noise reduction schemes from main regulation.
Selecting module 850, for selecting corresponding noise reduction schemes according to the noise reduction schemes selection instruction.
Specifically, selecting module 850 according to the noise reduction schemes selection instruction from a variety of noise reduction schemes for selecting
Select corresponding scheme.For example, when the noise reduction schemes selection instruction of user's input is " weaker ", according to described instruction from three kinds of noise reductions
Select noise reduction capability for the noise reduction schemes of " weaker " in scheme.
Signal generation unit 822 is also used to the outside noise signal according to the selected noise reduction schemes and acquisition,
Generate noise neutralisation signals.
Signal output unit 824 is also used to together with the audio content export the noise neutralisation signals to described
Earphone.
Specifically, signal generation unit 822 is made an uproar according to the external world that the selected noise reduction schemes are acquired with the microphone
Acoustical signal generates, the noise neutralisation signals of opposite in phase (difference 180 °) identical as the frequency spectrum of noise signals, and signal output is single
Member 824 exports the noise neutralisation signals together with the audio content to the earphone, to carry out with the noise signal
Interference is offset.
Embodiment nine
As shown in figure 12, tenth embodiment of the invention proposes a kind of sound quality lifting system 28.In the present embodiment, the sound
Matter lifting system 28 is in addition to including the detecting module 800, first judgment module 810 and the noise reduction module in the 8th embodiment
It 820, further include the second judgment module 870 and signal cancellation module 880 except the first receiving module 830, active module 840.
Whether the second judgment module 870 includes that music signal or voice are believed in the noise signal for judging the acquisition
Number.
Specifically, when signal acquisition unit 822 carries out outside noise acquisition by the microphone of terminal, second judges mould
Block 870 is for judging whether the intelligent terminal is in music state or voice call state.If the intelligent terminal is just
Music is being played, then is including music signal in the noise signal of the acquisition；If the intelligent terminal is carrying out voice communication,
It then include voice signal in the noise signal of the acquisition.
Signal cancellation module 880, for when the acquisition outside noise signal in include music signal or voice signal
When, the music signal or the voice signal are eliminated.
Signal generation unit 822 is also used to according to the noise signal after the elimination music signal or the voice signal,
Generate noise neutralisation signals.
Signal output unit 824 is also used to together with the audio content export the noise neutralisation signals to described
Earphone.
Specifically, signal output unit 824 is used for the music signal or institute's predicate in the outside noise signal
After sound signal is eliminated, according to remaining outside noise signal, opposite in phase identical as the outside noise signal amplitude is generated
The noise neutralisation signals of (180 ° of difference), the noise neutralisation signals are exported together with the audio content to the earphone,
To carry out interference counteracting with the noise signal.
Embodiment ten
The present invention also provides another embodiments, that is, provide a kind of computer readable storage medium, the computer
Readable storage medium storing program for executing is stored with sound quality and promotes program, and the sound quality promotes program and can be executed by least one processor, so that institute
At least one processor is stated to execute such as the step of above-mentioned sound quality method for improving.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of sound quality method for improving is applied in terminal, which is characterized in that the method includes the steps：
Whether detecting has earphone access；
Whether judgement is current is exporting audio content to the earphone；And
If currently exporting audio content to the earphone, enter noise reduction mode, is acquired by the microphone of the terminal outer
Boundary's noise signal；And
Noise neutralisation signals are generated according to the outside noise signal of acquisition, and by the noise neutralisation signals and the audio
Content is exported together to the earphone.
2. sound quality method for improving according to claim 1, which is characterized in that the method is described into noise reduction mode
It further include step before step：
Receive the noise reduction control instruction of user's input；And
The sound collection function of microphone is activated according to the noise reduction control instruction.
3. sound quality method for improving according to claim 1, which is characterized in that the noise neutralisation signals are the institutes with acquisition
State that outside noise amplitude is identical, the sound wave of opposite in phase.
4. sound quality method for improving according to claim 1, which is characterized in that the noise reduction mode includes a variety of noise reduction sides
Case, the method described in the noise reduction mode further include step：
Receive the noise reduction schemes selection instruction of user's input；
Corresponding noise reduction schemes are selected according to the noise reduction schemes selection instruction；
Outside noise signal is acquired by the microphone；And
According to the outside noise signal of the selected noise reduction schemes and acquisition, noise neutralisation signals are generated, and will be described
Noise neutralisation signals are exported together with the audio content to the earphone.
5. sound quality method for improving according to claim 1 or 4, which is characterized in that the generation noise neutralisation signals it
Preceding includes step：
Judge in the outside noise signal of the acquisition whether to include music signal or voice signal；And
When in the noise signal of the acquisition including music signal or voice signal, the music signal or the voice are believed
Number eliminate.
6. sound quality method for improving according to claim 4, which is characterized in that every kind of noise reduction in the multiple noise reduction schemes
Scheme corresponds to one group of preset configuration parameter, for controlling the noise reduction capability of the noise reduction schemes.
7. a kind of terminal, which is characterized in that the intelligent terminal includes：Memory, processor, microphone and it is stored in described deposit
On reservoir and the sound quality that can run on the processor promotes program, when the sound quality promotes program and executed by the processor
Realize following steps：
Whether detecting has earphone access；
Whether judgement is current is exporting audio content to the earphone；And
If currently exporting audio content to the earphone, enter noise reduction mode, is acquired by the microphone of the terminal outer
Boundary's noise signal；And
Noise neutralisation signals are generated according to the outside noise signal of acquisition, and by the noise neutralisation signals and the audio
Content is exported together to the earphone.
8. terminal according to claim 7, which is characterized in that the noise reduction mode includes a variety of noise reduction schemes, the sound
Matter is promoted when program is executed by the processor and also realizes step：
Receive the noise reduction schemes selection instruction of user's input；
Corresponding noise reduction schemes are selected according to the noise reduction schemes selection instruction；
Outside noise signal is acquired by the microphone；And
According to the outside noise signal of the selected noise reduction schemes and acquisition, noise neutralisation signals are generated, and will be described
Noise neutralisation signals are exported together with the audio content to the earphone.
9. terminal according to claim 7 or 8, which is characterized in that before the generation noise neutralisation signals, the sound
Matter is promoted when program is executed by the processor and also realizes step：
Judge in the outside noise signal of the acquisition whether to include music signal or voice signal；And
When in the noise signal of the acquisition including music signal or voice signal, the music signal or the voice are believed
Number eliminate.
10. a kind of computer readable storage medium, which is characterized in that be stored with sound quality on the computer readable storage medium and mention
Lift sequence, the sound quality are promoted and realize that sound quality described in any one of claims 1 to 6 such as is promoted when program is executed by processor
The step of method.
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| CN201810693466.2A CN108924352A (en) | 2018-06-29 | 2018-06-29 | Sound quality method for improving, terminal and computer readable storage medium |
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| CN201810693466.2A CN108924352A (en) | 2018-06-29 | 2018-06-29 | Sound quality method for improving, terminal and computer readable storage medium |
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