WO2016119108A1 - 一种控制耳机降噪方法及装置 - Google Patents

一种控制耳机降噪方法及装置 Download PDF

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Publication number
WO2016119108A1
WO2016119108A1 PCT/CN2015/071573 CN2015071573W WO2016119108A1 WO 2016119108 A1 WO2016119108 A1 WO 2016119108A1 CN 2015071573 W CN2015071573 W CN 2015071573W WO 2016119108 A1 WO2016119108 A1 WO 2016119108A1
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WIPO (PCT)
Prior art keywords
noise
signal
noise reduction
processing model
decibel
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Ceased
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PCT/CN2015/071573
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English (en)
French (fr)
Inventor
宋亚楠
吴海全
师瑞文
耿锡年
杜国忠
徐嘉云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Grandsun Wonder Technology Co Ltd
Shenzhen Phicoustic System Development Co Ltd
Shenzhen Grandsun Electronics Co Ltd
Original Assignee
Shenzhen Grandsun Wonder Technology Co Ltd
Shenzhen Phicoustic System Development Co Ltd
Shenzhen Grandsun Electronics Co Ltd
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Application filed by Shenzhen Grandsun Wonder Technology Co Ltd, Shenzhen Phicoustic System Development Co Ltd, Shenzhen Grandsun Electronics Co Ltd filed Critical Shenzhen Grandsun Wonder Technology Co Ltd
Priority to EP15879319.0A priority Critical patent/EP3253070B1/en
Priority to JP2017538727A priority patent/JP6588098B2/ja
Priority to PCT/CN2015/071573 priority patent/WO2016119108A1/zh
Priority to US15/544,809 priority patent/US10283104B2/en
Publication of WO2016119108A1 publication Critical patent/WO2016119108A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/05—Noise reduction with a separate noise microphone

Definitions

  • the invention belongs to the field of earphone noise reduction technology, and in particular relates to a method and a device for controlling earphone noise reduction.
  • noise pollution has become more and more serious with the development of urbanization and technological advancement.
  • the noise reduction method of the earphone can be controlled to reduce the environmental noise and protect the user's hearing.
  • the first way is to physically block the noise through the earphone so that it cannot enter the human ear; the second way is that the earphone collects noise and performs noise inside the earphone. Inverting and superimposing, cancel the noise entering the earphone, making the human ear unable to perceive.
  • the existing earphone noise reduction method requires a hardware switch for adjusting the noise reduction on the earphone, which is disadvantageous for the high integration of the earphone and cannot achieve automatic noise reduction.
  • the reason is that the existing earphone noise reduction method is to directly adjust the noise reduction using the earphone.
  • the user can adjust the degree of noise isolation and wearing comfort of the headset by adjusting the tightness of the headset.
  • the user can turn the headset on or off through a switch or button on the headset. Noise reduction. Therefore, these two methods are required to manually turn on or off the noise reduction function of the earphone through the hardware switch on the earphone, the operation is cumbersome, the noise reduction efficiency is reduced, and automatic noise reduction cannot be realized.
  • the manufacturer needs to set the hardware for adjusting the noise reduction on the earphone, thus reducing the integration degree of the earphone.
  • the purpose of the embodiments of the present invention is to provide a method for controlling the noise reduction of the earphone, which aims to solve the existing method for reducing the noise of the earphone, and needs to set a hardware switch for adjusting the noise reduction on the earphone, which is disadvantageous for the highly integrated space of the earphone.
  • the problem of automatic noise reduction cannot be achieved.
  • the embodiment of the present invention is implemented by the method for controlling the noise reduction of the earphone, including:
  • the connected earphone is controlled to turn on the noise reduction function or turn off the noise reduction function.
  • Another object of the embodiments of the present invention is to provide a device for controlling a headphone noise reduction, including:
  • a noise signal acquisition module is configured to collect a noise signal of the environment in which the terminal microphone is used;
  • a judgment result generating module configured to process the collected noise signal to generate a judgment result
  • the earphone noise reduction control module is configured to control the connected earphone to turn on the noise reduction function or turn off the noise reduction function according to the determination result.
  • the existing earphone noise reduction method is solved, and the hardware switch for adjusting the noise reduction needs to be set on the earphone, which is disadvantageous to
  • the headphones are highly integrated and do not achieve automatic noise reduction.
  • the beneficial effects are two aspects.
  • the manufacturer does not need to set the hardware for adjusting the noise reduction on the earphone, on the other hand, the automatic noise reduction is realized, and the earphone can be automatically turned on or off without the hardware switch on the earphone.
  • the noise reduction function not only improves the integration of the headphones, but also improves the noise reduction efficiency of the headphones.
  • FIG. 1 is a flowchart of an implementation of a method for controlling a noise reduction of an earphone according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a first implementation of a method for controlling a headphone noise reduction S102 according to an embodiment of the present invention
  • FIG. 3 is a second implementation flowchart of a method for controlling a headphone noise reduction S102 according to an embodiment of the present invention
  • FIG. 4 is a first structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention
  • FIG. 5 is a second structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • FIG. 6 is a third structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • FIG. 7 is a fourth structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of an implementation of a method for controlling noise reduction of an earphone according to an embodiment of the present invention, which is described in detail as follows:
  • step S101 using a terminal microphone, collecting a noise signal of the environment
  • the terminal microphone is used to collect the noise signal of the environment.
  • the ambient noise signal since the ambient noise signal usually does not change too much for a period of time, the ambient noise signal is detected once every preset detection interval, which can further save the power consumption of the terminal. .
  • the noise signal of the environment is collected by using the terminal microphone.
  • the distance of the geographical location detected by the terminal from the noise signal of the last environment exceeds the preset distance, it may be changed due to the geographical distance, and then the environment is changed.
  • the noise signal of the environment is detected once, and the user can be informed of the change of the noise signal intensity of the environment in time.
  • step S101 is specifically:
  • the terminal When the distance from the geographical location detected by the noise signal detected by the terminal in the previous environment does not exceed the preset distance, if the time of detecting the noise signal of the environment in the previous time exceeds the preset detection interval, the terminal also obtain noise signal detection for the environment in which it is located,
  • the distance between the current location of the terminal and the geographical location of the noise signal detection of the environment is obtained by the GPS function provided by the terminal, to determine whether the terminal has left the environment where it was last. The distance of the geographical location detected by the noise signal does not exceed the preset distance.
  • the terminal microphone is used to collect the noise signal of the environment.
  • the preset location may be one or multiple at the same time. If the preset location is multiple, when the mobile terminal is located in at least one of the multiple preset locations, the terminal microphone is acquired to collect the noise of the environment. signal.
  • the preset location may be a specific location area, such as Shenzhen Futian District, Shenzhen Grand Theater, etc.
  • the mobile terminal may obtain a preset location by detecting user input, or may read by The default preset location built into the mobile terminal to obtain the preset location.
  • the preset location may also be a preset location that is matched according to the query condition input by the user.
  • step S102 the collected noise signal is processed to generate a determination result
  • the pre-configured noise signal processing model is used to process the collected noise signal to generate a determination result, and the noise signal processing model includes at least one of a decibel processing model and a signal to noise ratio processing model.
  • the noise signal processing model includes at least one of a decibel processing model and a signal to noise ratio processing model.
  • step S103 according to the determination result, the connected earphone is turned on to turn on the noise reduction function or the noise reduction function is turned off.
  • the terminal sends an open noise reduction command to the earphone connected to the terminal according to the determination result. Or turn off the noise reduction command to control the connected headphones to turn on the noise reduction function or turn off the noise reduction function.
  • the terminal is a device that performs command or data interaction with the earphone through a wired or wireless manner.
  • the terminal includes, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, and a smart TV.
  • connection between the terminal and the earphone may be established by any wired manner, or may be established by any wireless means.
  • Wireless methods include, but are not limited to, Bluetooth, WIFI, 3G, 4G, 5G.
  • judgment result can be displayed on the display screen of the terminal.
  • the existing earphone noise reduction method is solved, and the hardware switch for adjusting the noise reduction needs to be set on the earphone, which is disadvantageous to
  • the headphones are highly integrated and do not achieve automatic noise reduction.
  • the traditional manual noise reduction is changed to automatic noise reduction, which makes the earphone not only more humanized and intelligent, but also better meets the user's demand for healthy ear.
  • This embodiment describes the implementation process of configuring the noise signal processing model, which is detailed as follows:
  • the pre-configured noise signal processing model is used to process the collected noise signals to generate a judgment result, including:
  • the noise signal processing model including at least one of a decibel processing model and a signal to noise ratio processing model;
  • decibel processing model is:
  • the dB value is a decibel of a noise signal, and the ⁇ is a preset decibel threshold for turning on noise reduction;
  • the value of ⁇ can be set by the user or the system default.
  • the signal to noise ratio processing model is:
  • the dB SNR is a signal to noise ratio
  • the ⁇ is a preset signal to noise ratio threshold for turning on noise reduction
  • the signal to noise ratio is a ratio of a current in-ear signal to the noise signal.
  • the sound source enters the human ear through a series of processes, and this part of the signal is an in-ear signal.
  • the terminal can obtain the size of the in-ear signal through the power amplifier of the earphone.
  • the ambient noise collected by the microphone is a noise signal, and does not refer to a noise signal generated due to design reasons.
  • dB signal is the decibel of the in-ear signal
  • dB signal is the decibel of the noise signal
  • dB signal is the decibel of the in-ear signal and dB signal is the decibel of the noise signal.
  • dB signal is the decibel of the in-ear signal
  • dB signal is the decibel of the noise signal
  • the value of ⁇ can be set by the user or the system default.
  • the noise signal processing model is configured to facilitate subsequent calling.
  • FIG. 2 is a first implementation flowchart of a method for controlling a headphone noise reduction S102 according to an embodiment of the present invention, which is described in detail as follows:
  • step S201 using a pre-configured decibel processing model, detecting whether the decibel of the collected noise signal is greater than a preset decibel threshold for turning on the noise reduction;
  • step S202 when it is detected that the decibel of the collected noise signal is greater than the preset decibel threshold for turning on the noise reduction, the determination result of turning on the noise reduction is generated, and when the detected decibel of the noise signal is not greater than the preset for turning on the noise reduction When the threshold is decibel, the judgment result of turning off the noise reduction is generated.
  • the terminal when the terminal generates the determination result of turning on the noise reduction, the terminal sends an open noise reduction command to the earphone connected to the terminal to control the connected earphone to turn on the noise reduction function.
  • the terminal when the terminal generates the judgment result of the noise reduction, the terminal sends a turn-off noise reduction command to the earphone connected to the terminal to control the connected earphone off noise reduction function.
  • FIG. 3 is a second implementation flowchart of the method for controlling the headphone noise reduction S102 according to the embodiment of the present invention, which is described in detail as follows:
  • step S301 a signal to noise ratio is obtained, where the signal to noise ratio is a ratio of a current in-ear signal to the noise signal;
  • step S302 the pre-configured signal to noise ratio processing model is used to detect whether the signal to noise ratio of the collected noise signal is greater than a preset signal to noise ratio threshold for turning on the noise reduction;
  • step S303 when it is detected that the signal-to-noise ratio of the collected noise signal is greater than the preset signal-to-noise ratio threshold for turning on the noise reduction, the determination result of turning on the noise reduction is generated, and when the detected signal-to-noise ratio of the noise signal is not greater than When the preset signal-to-noise ratio threshold of the noise reduction is turned on, the judgment result of turning off the noise reduction is generated.
  • the terminal when the terminal generates the determination result of turning on the noise reduction, the terminal sends an open noise reduction command to the earphone connected to the terminal to control the connected earphone to turn on the noise reduction function.
  • the terminal when the terminal generates the judgment result of the noise reduction, the terminal sends a turn-off noise reduction command to the earphone connected to the terminal to control the connection.
  • the headset turns off the noise reduction function.
  • the headset is denoised in real time through a smartphone, as detailed below:
  • This APP analyzes and processes the noise signal input by the mobile phone microphone to obtain a judgment result
  • the APP sends an open noise reduction command or a noise reduction command to the earphone through Bluetooth;
  • the headset After receiving the noise reduction command or turning off the noise reduction command, the headset changes the current state of the current earphone noise reduction function, and turns the noise reduction function on or off.
  • the headset is denoised in real time through a laptop, as detailed below:
  • This software analyzes and processes the noise signal input from the laptop microphone to obtain the judgment result
  • the software determines the current state of the ambient noise and needs to turn on the noise reduction function of the earphone, and sends the judgment result to the earphone through the WIFI;
  • the headset After receiving the command, the headset reads the current headset noise reduction function to the on state, and after comparison, determines that the current state of the headset noise reduction function does not need to be changed.
  • the headphone noise reduction is controlled in real time by a desktop computer, as detailed below:
  • This software analyzes and processes the noise signal input from the laptop microphone to obtain the judgment result
  • the software needs to turn on the noise reduction function of the earphone to judge the current state of the ambient noise, and send the judgment result to the earphone through the USB connection.
  • the headset After receiving the command, the headset reads the current headset noise reduction function to the off state. After comparison, it is determined that the current state of the headset noise reduction function needs to be changed, and the noise reduction function is turned on.
  • the control headphone noise reduction device can be operated in a terminal.
  • the terminal includes, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, and a smart TV. For the convenience of explanation, only the parts related to the present embodiment are shown.
  • control earphone noise reduction device includes:
  • the noise signal collecting module 41 is configured to collect a noise signal of the environment in the environment by using the terminal microphone;
  • the determination result generating module 42 is configured to process the collected noise signal to generate a determination result
  • the earphone noise reduction control module 43 is configured to control the connected earphone to turn on the noise reduction function or turn off the noise reduction function according to the determination result.
  • the determination result generation module is specifically configured to use a pre-configured noise signal processing model to process the collected noise signal to generate a determination result.
  • the noise signal processing model includes at least one of a decibel processing model and a signal to noise ratio processing model.
  • FIG. 5 is a second structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • a noise signal processing model configuration module 44 is configured to configure a noise signal processing model, the noise signal
  • the number processing model includes at least one of a decibel processing model and a signal to noise ratio processing model;
  • decibel processing model is:
  • the dB value is a decibel of a noise signal, and the ⁇ is a preset decibel threshold for turning on noise reduction;
  • the signal to noise ratio processing model is:
  • the dB SNR is a signal to noise ratio
  • the ⁇ is a preset signal to noise ratio threshold for turning on noise reduction
  • the signal to noise ratio is a ratio of a current in-ear signal to the noise signal.
  • FIG. 6 is a third structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • the determination result generation module is 42, including:
  • the decibel detection unit 421 is configured to detect whether the decibel of the collected noise signal is greater than a preset decibel threshold for turning on the noise reduction by using a pre-configured decibel processing model;
  • the first determination result generating unit 422 is configured to: when detecting that the decibel of the collected noise signal is greater than a preset decibel threshold of turning on the noise reduction, generate a determination result of turning on the noise reduction, and when detecting that the decibel of the collected noise signal is not greater than When the preset decibel threshold of the noise reduction is performed, the judgment result of turning off the noise reduction is generated.
  • FIG. 7 is a fourth structural block diagram of a device for controlling a headphone noise reduction device according to an embodiment of the present invention.
  • the determination result generation module is 42, including:
  • a signal-to-noise ratio acquisition unit 423 configured to acquire a signal-to-noise ratio, where the signal-to-noise ratio is a ratio of a current in-ear signal to the noise signal;
  • the signal-to-noise ratio detecting unit 424 is configured to use a pre-configured signal-to-noise ratio processing model to detect whether a signal-to-noise ratio of the collected noise signal is greater than a preset signal-to-noise ratio threshold for turning on the noise reduction;
  • the second determination result generating unit 425 is configured to: when detecting that the signal to noise ratio of the collected noise signal is greater than a preset signal to noise ratio threshold for turning on the noise reduction, generating a determination result of turning on the noise reduction, when detecting the collected noise When the signal-to-noise ratio of the sound signal is not greater than the preset signal-to-noise ratio threshold for turning on the noise reduction, the judgment result of turning off the noise reduction is generated.
  • the present invention can be implemented by means of software plus necessary general hardware.
  • the program may be stored in a readable storage medium such as a random access memory, a flash memory, a read only memory, a programmable read only memory, an electrically erasable programmable memory, a register, or the like.
  • the storage medium is located in a memory, the processor reads information in the memory, and in conjunction with its hardware, performs the methods described in various embodiments of the present invention.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (AREA)

Abstract

本发明适用于耳机降噪技术领域，提供了一种控制耳机降噪方法及装置，所述控制耳机降噪方法包括：利用终端麦克风，采集所处环境的噪音信号；对采集的噪音信号进行处理，生成判断结果；根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。本发明解决了现有耳机降噪方法，需要在耳机上设置调节降噪的硬件开关，不利于耳机的高度集成，且不能实现自动降噪的问题。有益效果在于两方面，一方面，厂商不需要在耳机上设置调节降噪的硬件，另一方面，实现了自动降噪，在不需要耳机上的硬件开关的前提下，可以自动打开或关闭耳机的降噪功能，从而既提高了耳机的集成程度，也提高了耳机的降噪效率。

Description

一种控制耳机降噪方法及装置 技术领域
本发明属于耳机降噪技术领域，尤其涉及一种控制耳机降噪方法及装置。
背景技术
噪音污染作为国际公认的四大污染之一，随着城市化的发展和技术的进步，噪音污染也变得愈发严重。当用户通过终端外接耳机播放音频时，可通过控制耳机降噪方法，降低环境噪音，保护用户的听力。
目前使用的耳机降噪方法，有两种实现方式，第一种方式是通过耳机在物理上隔断噪音，使其无法进入人耳；第二种方式是耳机采集到噪音，在耳机内部进行噪音的反相与叠加，抵消进入耳机的噪音，使人耳无法感知。
然而，现有耳机降噪方法，需要在耳机上设置调节降噪的硬件开关，不利于耳机的高度集成，且不能实现自动降噪。其原因在于，现有耳机降噪方法，都是直接使用耳机进行调节降噪。使用第一种方式，用户可以通过调节头戴线的松紧来调节耳机对噪音的隔断程度和佩戴的舒适度，使用第二种方式，用户可以通过耳机上的开关或按键来打开或关闭耳机的降噪功能。因此，这两种方式，都是需要用于通过耳机上的硬件开关，手动打开或关闭耳机的降噪功能，操作繁琐，降低了降噪效率，不能实现自动降噪。同时，这两种方式，需要厂商在耳机上设置调节降噪的硬件，因此降低了耳机的集成程度。
技术问题
本发明实施例的目的在于提供一种控制耳机降噪方法，旨在解决现有耳机降噪方法，需要在耳机上设置调节降噪的硬件开关，不利于耳机的高度集成空格且 不能实现自动降噪的问题。
技术解决方案
本发明实施例是这样实现的，一种控制耳机降噪方法，包括：
利用终端麦克风，采集所处环境的噪音信号；
对采集的噪音信号进行处理，生成判断结果；
根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
本发明实施例的另一目的在于提供一种控制耳机降噪装置，包括：
噪音信号采集模块，用于利用终端麦克风，采集所处环境的噪音信号；
判断结果生成模块，用于对采集的噪音信号进行处理，生成判断结果；
耳机降噪控制模块，用于根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
有益效果
在本发明实施例中，根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能，解决了现有耳机降噪方法，需要在耳机上设置调节降噪的硬件开关，不利于耳机的高度集成，且不能实现自动降噪的问题。有益效果在于两方面，一方面，厂商不需要在耳机上设置调节降噪的硬件，另一方面，实现了自动降噪，在不需要耳机上的硬件开关的前提下，可以自动打开或关闭耳机的降噪功能，从而既提高了耳机的集成程度，也提高了耳机的降噪效率。
附图说明
图1是本发明实施例提供的控制耳机降噪方法的实现流程图；
图2是本发明实施例提供的控制耳机降噪方法S102的第一实施流程图；
图3是本发明实施例提供的控制耳机降噪方法S102的第二实施流程图；
图4是本发明实施例提供的控制耳机降噪装置的第一结构框图；
图5是本发明实施例提供的控制耳机降噪装置的第二结构框图；
图6是本发明实施例提供的控制耳机降噪装置的第三结构框图；
图7是本发明实施例提供的控制耳机降噪装置的第四结构框图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例一
图1是本发明实施例提供的控制耳机降噪方法的实现流程图，详述如下：
在步骤S101中，利用终端麦克风，采集所处环境的噪音信号；
其中，利用终端麦克风，采集所处环境的噪音信号，有三种实施方式，详述如下：
第一种实施方式：
每隔预设的检测间隔，利用终端麦克风，采集所处环境的噪音信号。
需说明的是，由于环境的噪音信号通常在一段时间内并不会发生太大的变化，因此，每隔预设的检测间隔对环境的噪音信号进行一次检测，能够进一步地节省终端的电量消耗。
第二种实施方式：
当离开上一次采集所处环境的噪音信号的地理位置的距离不小于预设距离时，利用终端麦克风，采集所处环境的噪音信号。
需说明的是，由于终端离开上一次所处环境的噪音信号检测的地理位置的距离超过预设距离后，有可能因为地理位置上的距离，所处环境也发生了变化，此时再对所处环境的噪音信号进行一次检测，能够及时地告知用户所处环境的噪音信号强度的变化情况。
需说明的是，由于有可能出现终端移动未超过预设距离，但移动时间较长的情况，为了避免在这较长的移动时间内所处环境的噪音信号强度发生了很大的变化，却无法实时采集，此时，进一步地，步骤S101具体为：
当终端离开上一次所处环境的噪音信号检测的地理位置的距离未超过预设距离时，若此时距离终端上一次所处环境的噪音信号检测的时间超过了预设的检测间隔，则终端也获取进行所处环境的噪音信号检测，
由此进一步地提高所处环境的噪音信号检测的准确性和实时性。
同样地，需说明的是，可以通过终端自带的GPS功能获取终端当前距离上一次进行所处环境的噪音信号检测的地理位置的距离，来判断所述终端是否离开上一次进行所处环境的噪音信号检测的地理位置的距离未超过预设距离。
第三种实施方式：
当终端位于预设地点时，利用终端麦克风，采集所处环境的噪音信号。
其中，预设地点可以为一个或者同时为多个，如果预设地点为多个，当所述移动终端位于多个预设地点中的至少一个时，获取利用终端麦克风，采集所处环境的噪音信号。
需说明的是，预设地点可以为一个具体的位置区域，例如深圳福田区、深圳大剧院等等，在该情况下，移动终端可以通过检测用户输入来获取预设地点，也可以通过读取移动终端内置的默认预设地点来获取预设地点。同时，预设地点也可以为根据用户输入的查询条件匹配出的预设地点。
在步骤S102中，对采集的噪音信号进行处理，生成判断结果；
其中，在步骤S102或S101之前，采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种。
在步骤S103中，根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
终端根据所述判断结果，向与所述终端相连接的耳机，发送开启降噪命令 或者关闭降噪命令，以控制连接的耳机开启降噪功能或者关闭降噪功能。
其中，所述终端为通过有线或无线方式与耳机进行命令或数据交互的设备。
所述终端包括但不限于智能手机、平板电脑、笔记本电脑、台式电脑、智能电视。
需说明的是，终端与耳机之间，可通过任意一种有线的方式建立连接，或者通过任意一种无线的方式建立连接。无线的方式包括但不限于蓝牙、WIFI、3G、4G、5G。
需说明的是，可以在终端的显示屏上，显示判断结果。
在本发明实施例中，根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能，解决了现有耳机降噪方法，需要在耳机上设置调节降噪的硬件开关，不利于耳机的高度集成，且不能实现自动降噪的问题。将传统的手动降噪，改为自动降噪，使得耳机不仅更加人性化和智能化，同时也更能满足用户对健康用耳的需求。
实施例二
本实施例描述了配置噪音信号处理模型的实施过程，详述如下：
采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果之前，包括：
配置噪音信号处理模型，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种；
其中，所述分贝处理模型为：
Figure PCTCN2015071573-appb-000001
所述dBvalue为噪音信号的分贝，所述τ为开启降噪的预设分贝阈值；
其中τ的值，可以为用户自设，也可以为系统默认。
需说明的是，根据生理学和医学研究，当环境噪音达到40dB时就会对人的听力产生显著损害。因此τ可以取值为40。
其中，所述信噪比处理模型为：
Figure PCTCN2015071573-appb-000002
所述dBSNR为信噪比，所述σ为开启降噪的预设信噪比阈值，所述信噪比为当前的入耳信号与所述噪声信号的比值。
需说明的是，使用耳机时，音源经过一系列处理进入人耳，这部分信号为入耳信号。终端可通过耳机的功放，获取入耳信号的大小。
需说明的是，麦克风收集到的外界环境噪音为噪音信号，并不是指由于设计的原因产生的噪音信号。
需说明的是，信噪比的生成，有三种实现方式，详述如下：
第一种实现方式：
Figure PCTCN2015071573-appb-000003
其中，dBsignal为入耳信号的分贝，dBsignal为噪音信号的分贝，
第二种实现方式：
Figure PCTCN2015071573-appb-000004
其中，dBsignal为入耳信号的分贝，dBsignal为噪音信号的分贝。
第三种实现方式：
Figure PCTCN2015071573-appb-000005
其中，dBsignal为入耳信号的分贝，dBsignal为噪音信号的分贝，μ和ρ为参数，μ+ρ＝1，通过这种设计，设计者可以根据不同耳机和不同终端软硬件配置，调整参数，以使耳机降噪的达到最佳的使用状态。
其中σ的值，可以为用户自设，也可以为系统默认。
在本发明实施例中，配置噪音信号处理模型，便于后续进行调用。
实施例三
图2是本发明实施例提供的控制耳机降噪方法S102的第一实施流程图，详述如下：
在步骤S201中，采用预配置的分贝处理模型，检测采集的噪音信号的分贝是否大于开启降噪的预设分贝阈值；
在步骤S202中，当检测到采集的噪音信号的分贝大于开启降噪的预设分贝阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的分贝不大于开启降噪的预设分贝阈值时，生成关闭降噪的判断结果。
在本发明实施例中，终端生成开启降噪的判断结果时，向与终端相连接的耳机，发送开启降噪命令，以控制连接的耳机开启降噪功能。终端生成关启降噪的判断结果时，向与终端相连接的耳机，发送关启降噪命令，以控制连接的耳机关启降噪功能。
实施例四
图3是本发明实施例提供的控制耳机降噪方法S102的第二实施流程图，详述如下：
在步骤S301中，获取信噪比，所述信噪比为当前的入耳信号与所述噪声信号的比值；
在步骤S302中，采用预配置的信噪比处理模型，检测采集的噪音信号的信噪比是否大于开启降噪的预设信噪比阈值；
在步骤S303中，当检测到采集的噪音信号的信噪比大于开启降噪的预设信噪比阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的信噪比不大于开启降噪的预设信噪比阈值时，生成关闭降噪的判断结果。
在本发明实施例中，终端生成开启降噪的判断结果时，向与终端相连接的耳机，发送开启降噪命令，以控制连接的耳机开启降噪功能。终端生成关启降噪的判断结果时，向与终端相连接的耳机，发送关启降噪命令，以控制连接的 耳机关启降噪功能。
实施例五
本发明实施例主要描述了本发明在三个不同场景中较佳的实施流程，详述如下：
第一场景，通过智能手机实时控制耳机降噪，详述如下：
调用智能手机的麦克风采集环境噪音，并将其输入智能手机内部；
在智能手机上，安装实现了预期功能的APP；
这个APP对手机麦克风输入的噪音信号进行分析处理，得出判断结果；
APP根据判断结果，通过蓝牙，向耳机发送开启降噪命令或者关闭降噪命令；
耳机接收到开启降噪命令或者关闭降噪命令后，改变当前耳机降噪功能的当前状态，开启或者关闭降噪功能。
第二场景，通过笔记本电脑实时控制耳机降噪，详述如下：
调用笔记本电脑的麦克风采集环境噪音，并将其输入智能手机内部；
在笔记本电脑上，安装实现了预期功能的软件；
这个软件对笔记本电脑麦克风输入的噪音信号进行分析处理，得出判断结果；
软件判断当前环境噪音的状态需要开启耳机的降噪功能，将这个判断结果通过WIFI发送到耳机；
耳机接收到这条命令后，读取到当前耳机降噪功能为开启状态，对比后判断出不需要改变耳机降噪功能的当前状态。
第三场景，通过台式电脑实时控制耳机降噪，详述如下：
调用台式电脑的麦克风采集环境噪音，并将其输入智能手机内部；
在台式电脑上，安装实现了预期功能的软件；
这个软件对笔记本电脑麦克风输入的噪音信号进行分析处理，得出判断结果；
软件判断当前环境噪音的状态需要开启耳机的降噪功能，将这个判断结果通过USB连线发送到耳机。
耳机接收到这条命令后，读取到当前耳机降噪功能为关闭状态，对比后判断出需要改变耳机降噪功能的当前状态，将降噪功能开启。
实施例六
图4是本发明实施例提供的控制耳机降噪装置的第一结构框图，该控制耳机降噪装置可以运行于终端中。所述终端包括但不限于智能手机、平板电脑、笔记本电脑、台式电脑、智能电视。为了便于说明，仅示出了与本实施例相关的部分。
参照图4，该控制耳机降噪装置，包括：
噪音信号采集模块41，用于利用终端麦克风，采集所处环境的噪音信号；
判断结果生成模块42，用于对采集的噪音信号进行处理，生成判断结果；
耳机降噪控制模块43，用于根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
在本实施例的一种实现方式中，在该控制耳机降噪装置中，所述判断结果生成模块，具体用于采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种。
在本实施例的一种实现方式中，参考图5，图5是本发明实施例提供的控制耳机降噪装置的第二结构框图，在该控制耳机降噪装置中，还包括：
噪音信号处理模型配置模块44，用于配置噪音信号处理模型，所述噪音信 号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种；
其中，所述分贝处理模型为：
Figure PCTCN2015071573-appb-000006
所述dBvalue为噪音信号的分贝，所述τ为开启降噪的预设分贝阈值；
其中，所述信噪比处理模型为：
Figure PCTCN2015071573-appb-000007
所述dBSNR为信噪比，所述σ为开启降噪的预设信噪比阈值，所述信噪比为当前的入耳信号与所述噪声信号的比值。
在本实施例的一种实现方式中，参考图6，图6是本发明实施例提供的控制耳机降噪装置的第三结构框图，在该控制耳机降噪装置中，所述判断结果生成模块42，包括：
分贝检测单元421，用于采用预配置的分贝处理模型，检测采集的噪音信号的分贝是否大于开启降噪的预设分贝阈值；
第一判断结果生成单元422，用于当检测到采集的噪音信号的分贝大于开启降噪的预设分贝阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的分贝不大于开启降噪的预设分贝阈值时，生成关闭降噪的判断结果。
在本实施例的一种实现方式中，参考图7，图7是本发明实施例提供的控制耳机降噪装置的第四结构框图，在该控制耳机降噪装置中，所述判断结果生成模块42，包括：
信噪比获取单元423，用于获取信噪比，所述信噪比为当前的入耳信号与所述噪声信号的比值；
信噪比检测单元424，用于采用预配置的信噪比处理模型，检测采集的噪音信号的信噪比是否大于开启降噪的预设信噪比阈值；
第二判断结果生成单元425，用于当检测到采集的噪音信号的信噪比大于开启降噪的预设信噪比阈值时，生成开启降噪的判断结果，当检测到采集的噪 音信号的信噪比不大于开启降噪的预设信噪比阈值时，生成关闭降噪的判断结果。
本发明实施例提供的装置可以应用在前述对应的方法实施例中，详情参见上述实施例的描述，在此不再赘述。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件的方式来实现。所述的程序可以存储于可读取存储介质中，所述的存储介质，如随机存储器、闪存、只读存储器、可编程只读存储器、电可擦写可编程存储器、寄存器等。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件执行本发明各个实施例所述的方法。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种控制耳机降噪方法，其特征在于，包括：
    利用终端麦克风，采集所处环境的噪音信号；
    对采集的噪音信号进行处理，生成判断结果；
    根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
  2. 如权利要求1所述的控制耳机降噪方法，其特征在于，所述对采集的噪音信号进行处理，生成判断结果，具体为：
    采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种。
  3. 如权利要求2所述的控制耳机降噪方法，其特征在于，在所述采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果之前，所述控制耳机降噪方法，还包括：
    配置噪音信号处理模型，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种；
    其中，所述分贝处理模型为：
    Figure PCTCN2015071573-appb-100001
    所述dBvalue为噪音信号的分贝，所述τ为开启降噪的预设分贝阈值；
    其中，所述信噪比处理模型为：
    所述dBSNR为信噪比，所述σ为开启降噪的预设信噪比阈值，所述信噪比为当前的入耳信号与所述噪声信号的比值。
  4. 如权利要求2或3所述的控制耳机降噪方法，其特征在于，当所述噪音信号处理模型为分贝处理模型时，所述采用预配置的噪音信号处理模型，对采 集的噪音信号进行处理，生成判断结果，具体为：
    采用预配置的分贝处理模型，检测采集的噪音信号的分贝是否大于开启降噪的预设分贝阈值；
    当检测到采集的噪音信号的分贝大于开启降噪的预设分贝阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的分贝不大于开启降噪的预设分贝阈值时，生成关闭降噪的判断结果。
  5. 如权利要求2或3所述的控制耳机降噪方法，其特征在于，当所述噪音信号处理模型为信噪比处理模型时，所述采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果，具体为：
    获取信噪比，所述信噪比为当前的入耳信号与所述噪声信号的比值；
    采用预配置的信噪比处理模型，检测采集的噪音信号的信噪比是否大于开启降噪的预设信噪比阈值；
    当检测到采集的噪音信号的信噪比大于开启降噪的预设信噪比阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的信噪比不大于开启降噪的预设信噪比阈值时，生成关闭降噪的判断结果。
  6. 一种控制耳机降噪装置，其特征在于，包括：
    噪音信号采集模块，用于利用终端麦克风，采集所处环境的噪音信号；
    判断结果生成模块，用于对采集的噪音信号进行处理，生成判断结果；
    耳机降噪控制模块，用于根据所述判断结果，控制连接的耳机开启降噪功能或者关闭降噪功能。
  7. 如权利要求6所述的控制耳机降噪装置，其特征在于，所述判断结果生成模块，具体用于采用预配置的噪音信号处理模型，对采集的噪音信号进行处理，生成判断结果，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种。
  8. 如权利要求7所述的控制耳机降噪装置，其特征在于，所述控制耳机降噪装置，还包括：
    噪音信号处理模型配置模块，用于配置噪音信号处理模型，所述噪音信号处理模型包括分贝处理模型以及信噪比处理模型中的至少一种；
    其中，所述分贝处理模型为：
    Figure PCTCN2015071573-appb-100003
    所述dBvalue为噪音信号的分贝，所述τ为开启降噪的预设分贝阈值；
    其中，所述信噪比处理模型为：
    Figure PCTCN2015071573-appb-100004
    所述dBSNR为信噪比，所述σ为开启降噪的预设信噪比阈值，所述信噪比为当前的入耳信号与所述噪声信号的比值。
  9. 如权利要求7或8所述的控制耳机降噪装置，其特征在于，所述判断结果生成模块，包括：
    分贝检测单元，用于采用预配置的分贝处理模型，检测采集的噪音信号的分贝是否大于开启降噪的预设分贝阈值；
    第一判断结果生成单元，用于当检测到采集的噪音信号的分贝大于开启降噪的预设分贝阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的分贝不大于开启降噪的预设分贝阈值时，生成关闭降噪的判断结果。
  10. 如权利要求7或8所述的控制耳机降噪装置，其特征在于，所述判断结果生成模块，包括：
    信噪比获取单元，用于获取信噪比，所述信噪比为当前的入耳信号与所述噪声信号的比值；
    信噪比检测单元，用于采用预配置的信噪比处理模型，检测采集的噪音信号的信噪比是否大于开启降噪的预设信噪比阈值；
    第二判断结果生成单元，用于当检测到采集的噪音信号的信噪比大于开启降噪的预设信噪比阈值时，生成开启降噪的判断结果，当检测到采集的噪音信号的信噪比不大于开启降噪的预设信噪比阈值时，生成关闭降噪的判断结果。
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