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WO2015085693A1 - Procédé et système de commutation automatique de mode contextuel sur la base d'une amplitude de bruit ambiant - Google Patents

Procédé et système de commutation automatique de mode contextuel sur la base d'une amplitude de bruit ambiant Download PDF

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Publication number
WO2015085693A1
WO2015085693A1 PCT/CN2014/075888 CN2014075888W WO2015085693A1 WO 2015085693 A1 WO2015085693 A1 WO 2015085693A1 CN 2014075888 W CN2014075888 W CN 2014075888W WO 2015085693 A1 WO2015085693 A1 WO 2015085693A1
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WO
WIPO (PCT)
Prior art keywords
background noise
data
microphone
scene mode
buzzer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/075888
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English (en)
Chinese (zh)
Inventor
陈琼
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.)
Huizhou TCL Mobile Communication Co Ltd
Original Assignee
Huizhou TCL Mobile Communication Co Ltd
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Filing date
Publication date
Application filed by Huizhou TCL Mobile Communication Co Ltd filed Critical Huizhou TCL Mobile Communication Co Ltd
Publication of WO2015085693A1 publication Critical patent/WO2015085693A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions

Definitions

  • the present invention relates to the field of volume control technologies, and in particular, to a method and system for automatically switching a scene mode according to a surrounding noise level.
  • an object of the present invention is to provide a method and system for automatically switching a scene mode according to the surrounding noise level, aiming at solving the problem that the current mobile terminal volume and scene mode cannot automatically switch with ambient noise and ambient noise. Determine the problem of inaccuracy.
  • a method for automatically switching a scenario according to a surrounding noise level includes:
  • the scene mode is switched according to the complete background noise data.
  • the method for automatically switching a scene mode according to a surrounding noise level wherein the external sound signal data includes background noise signal data and user call sound data, the first microphone is mainly used to acquire background noise signal data, and the second The microphone is mainly used to obtain the voice data of the user's call.
  • the method for automatically switching a scene mode according to a surrounding noise level wherein the first microphone, the second microphone, and the buzzer are respectively disposed at different positions of the mobile terminal, the first microphone and the
  • the second microphone is a microelectromechanical system microphone.
  • the step of switching the scene mode according to the complete background noise data is specifically: matching the complete background noise data with a preset scene mode switching list, and applying the complete background noise data to match the corresponding scene mode, wherein In the scene mode switching list, the background noise decibel value is in one-to-one correspondence with the scene mode.
  • the method for automatically switching a scene mode according to a surrounding noise level wherein a first background noise threshold is set in the scene mode switching list, and when the complete background noise data is higher than the first background noise threshold, In the scene mode corresponding to the background noise data, the larger the background noise decibel value, the larger the call volume and the ring volume.
  • the method for automatically switching a scene mode according to a surrounding noise level wherein a second background noise threshold is set in the scene mode switching list, when the complete background noise data is lower than the second background noise threshold, In the scene mode corresponding to the complete background noise data, the smaller the background noise decibel value, the smaller the call volume and the ring volume.
  • the first microphone and the second microphone are used to acquire external sound signal data
  • An audio digital signal coprocessor for analyzing and processing the external sound signal data acquired by the first microphone and the second microphone and the low frequency signal data acquired by the buzzer to obtain complete Background noise data
  • a baseband application processor configured to switch a scenario according to the complete background noise data obtained by the audio digital signal coprocessor
  • the first microphone, the second microphone and the buzzer are connected to the audio digital signal coprocessor, and the audio digital signal coprocessor is connected to the baseband application processor;
  • the audio digital signal coprocessor includes the following modules interconnected in sequence:
  • a preliminary processing data calculation module configured to compare the external sound signal data acquired by the first microphone and the second microphone to eliminate preliminary high-frequency background noise to obtain preliminary processing data
  • a user voice data calculation module configured to compare the preliminary processing data obtained by the preliminary processing data calculation module with the low frequency signal data obtained by the buzzer, and eliminate low frequency noise to obtain user voice data
  • the complete background noise data calculation module is configured to obtain complete background noise data according to the user call voice data obtained by the user call voice data calculation module.
  • the first microphone, the second microphone, and the buzzer are coupled to the audio digital signal coprocessor, and the audio digital signal coprocessor is coupled to the baseband application processor.
  • the system automatically switches the scene mode system according to the surrounding noise level, wherein the system further includes an audio system module for providing an audio digital and analog interface, and the external sound acquired by the first microphone and the second microphone
  • the signal data and the low frequency signal data obtained by the buzzer are converted into digital signals by an analog signal, and the audio system module is respectively connected to the first microphone, the second microphone, and the buzzer, and The audio digital signal coprocessor is connected.
  • the invention provides a method and a system for automatically switching a scene mode according to the surrounding noise level, which realizes the purpose of intercepting pure background noise by setting a technical means of contrast between background noise and call sound, and finally realizes that the mobile terminal does not need manual adjustment.
  • the effect of automatically switching the scene mode according to the background noise ensures that the user has better call quality regardless of the environment.
  • FIG. 1 is a flow chart of a method for automatically switching a scene mode according to a surrounding noise level according to the present invention
  • FIG. 2 is a schematic block diagram of a system for automatically switching a scene mode according to the surrounding noise level according to the present invention
  • FIG. 3 is a schematic block diagram of a system of an audio digital signal coprocessor according to the present invention.
  • FIG. 4 is a schematic diagram showing the arrangement positions of the first and second microphones and the buzzer in the preferred embodiment of the present invention.
  • the present invention provides a method and system for automatically switching a scene mode according to the size of the surrounding noise.
  • the present invention will be further described in detail below in order to make the objects, technical solutions and effects of the present invention more clear and clear. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • a method for automatically switching a scenario according to a surrounding noise level as shown in FIG. 1 wherein the method comprises the following steps:
  • the external sound signal data includes background noise signal data and user voice data
  • the first microphone is mainly used to acquire background noise signal data
  • the second microphone is mainly used to acquire user voice data.
  • the first microphone 110, the second microphone 120, and the buzzer 130 are respectively disposed at different positions of the mobile terminal 100.
  • the second microphone 120 is disposed at a position where the mobile terminal is close to the user's voice, and can acquire most of the user's call voice data and a small portion of the external environment noise signal.
  • the first microphone 110 is disposed at a position where the mobile terminal emits sound away from the user's call. Therefore, the first microphone 110 acquires most of the background noise signal data, and a small portion of the user calls the sound data.
  • the buzzer 130 serves as a sensor, and through its high sensitivity to low frequency signals, assists in acquiring low frequency signal noise data in background noise, such as wind, echo, and the like in an external environment, and the sound signal data acquired by the three includes All sound signals in the peripheral environment make their data as close as possible to the real external ambient noise.
  • the first microphone 110 and the second microphone 120 are micro-electromechanical system microphones (the micro-electromechanical system microphone is a microphone manufactured based on micro-electromechanical system technology, in short, a capacitor is integrated on the micro-silicon wafer, and Fabricated using a surface mount process, it can withstand high reflow temperatures, is easily integrated with complementary metal oxide semiconductor processes and other audio circuits, and has improved noise cancellation performance with good noise and electromagnetic radiation suppression.
  • the micro-electromechanical system microphone is a microphone manufactured based on micro-electromechanical system technology, in short, a capacitor is integrated on the micro-silicon wafer, and Fabricated using a surface mount process, it can withstand high reflow temperatures, is easily integrated with complementary metal oxide semiconductor processes and other audio circuits, and has improved noise cancellation performance with good noise and electromagnetic radiation suppression.
  • the processing process is performed by a preset processing algorithm for the acquired external sound signal data and the low frequency signal data, and the processing implemented by the algorithm separates the background noise from the user's call voice to the maximum extent.
  • the background noise and the human voice are processed more accurately and better by simply analyzing the loudness of the mixed sound of the human voice and the background noise.
  • the loudness threshold is used to distinguish between vocal and background noise. If the vocals are emotional when talking, the loudness of the vocals may exceed the set loudness threshold, resulting in misjudgment of the system.
  • the present invention does not have the above problems.
  • the technical solution of the present invention intercepts pure background noise according to the set algorithm, and further utilizes background noise to further switch the scene mode.
  • the step S300 is specifically: matching the complete background noise data in the step S200 with a preset scene mode switching list, and applying a scene mode corresponding to the matching of the complete background noise data, wherein the scene mode switching In the list, the background noise decibel value corresponds to the scene mode one-to-one.
  • the first background noise threshold is set in the scene mode switching list, and when the full background noise data is higher than the first background noise threshold, in the scene mode corresponding to the complete background noise data, The larger the background noise decibel value, the larger the call volume and the ringtone volume.
  • a second background noise threshold is set in the scene mode switching list, and when the complete background noise data is lower than the second background noise threshold, in the scenario corresponding to the complete background noise data, The smaller the background noise decibel value, the smaller the call volume and the ringer volume.
  • the first background noise threshold is 60 decibels (dB).
  • the first background noise threshold is set to 60. Decibel, if the obtained complete background noise data is higher than the first background noise threshold, the mobile terminal enters a scene mode corresponding to the complete background noise data, in which the call volume and the ring volume are correspondingly increased. In order to ensure that the user can talk properly, and to ensure that the user can hear the ringtone, do not miss the phone.
  • the volume of the call and the ringtone between them may be the same, but if the complete background noise data is too small, it is required Setting a second background noise threshold, when the full background noise data is lower than the second background noise threshold, the volume of the call and the ringtone in the corresponding scene mode are reduced, and the lower the background noise data is, the corresponding The voice volume and ringtone of the scene mode are smaller, which can automatically reduce the voice of the call when the user is in a very quiet environment, ensure that the call content is not leaked, and because the environment is quiet, the ring tone is small. Also enough to remind users.
  • the user can also set the first background noise threshold and the second background noise threshold according to the sensitivity of his own hearing, and set it to be appropriate for the user. Value.
  • the scene mode includes a call volume level and a ringtone volume.
  • different profiles also include settings for other properties, such as vibration switches, signal indicator switches, and so on.
  • the system has a system for automatically switching a scene mode according to the surrounding noise level in the mobile terminal 100, wherein the system includes: a first microphone 110, a second microphone 120, and a buzzer 130.
  • the audio digital signal coprocessor 200 and the baseband application processor 300 are included in the system.
  • the first microphone 110 and the second microphone 120 are configured to acquire external sound signal data, and the buzzer 130 is configured to acquire low frequency signal data.
  • the audio digital signal coprocessor 200 is configured to analyze and process the external sound signal data acquired by the first microphone 110 and the second microphone 120 and the low frequency signal data acquired by the buzzer 130. Obtain complete background noise data;
  • the baseband application processor 300 is configured to switch a scenario according to the complete background noise data obtained by the audio digital signal coprocessor 200;
  • the first microphone 110, the second microphone 120 and the buzzer 130 are connected to the audio digital signal coprocessor 200, and the audio digital signal coprocessor 200 is connected to the baseband application processor 300;
  • the audio digital signal coprocessor 200 includes the following modules that are sequentially connected:
  • the preliminary processing data calculation module 210 the user call voice data calculation module 220, and the complete background noise data calculation module 230.
  • the preliminary processing data calculation module 210 is configured to compare the external sound signal data acquired by the first microphone 110 and the second microphone 120 respectively, and eliminate the medium-high frequency background noise to obtain preliminary processing data.
  • the user voice data calculation module 220 is configured to compare the preliminary processing data acquired by the preliminary processing data calculation module 210 with the low frequency signal data acquired by the buzzer 130 to eliminate low frequency noise. Get user call voice data.
  • the complete background noise data calculation module 230 is configured to obtain complete background noise data according to the user call voice data acquired by the user call voice data calculation module 220.
  • the system further includes an audio system module 400 for providing an audio digital and analog interface, the external sound signal data acquired by the first microphone 110, the second microphone 120, and the buzzer 130 acquired
  • the low frequency signal data is converted from an analog signal to a digital signal.
  • the first microphone 110, the second microphone 120, and the buzzer 130 are connected to the audio digital signal coprocessor 200 through the audio system module 400, and the audio digital signal coprocessor 200 is connected to the The baseband application processor 300 is described.
  • the mobile terminal is provided with a baseband processor 600, a radio frequency transceiver 710, and a radio frequency amplifier 720.
  • the baseband processor 600 is respectively connected to the audio digital signal coprocessor 200 and the audio system module 400.
  • the radio frequency transceiver 710 is connected to the baseband processor 600, the radio frequency amplifier 720 and the radio frequency transceiver.
  • the 710 connection in combination with the system for automatically switching the scene mode according to the surrounding noise level, forms a complete mobile terminal system, so that the mobile terminal system not only has the function of automatically switching the scene mode according to the surrounding noise level, but also has the extracted Pure user call voice data is used in the call process, which is equivalent to setting noise reduction processing for the user's call, which improves the call quality.
  • the invention provides a method and a system for automatically switching a scene mode according to the surrounding noise level, which realizes the purpose of intercepting pure background noise by setting a technical means of contrast between background noise and call sound, and finally realizes that the mobile terminal does not need manual adjustment, and can be
  • the background noise automatically switches the effect of the scene mode to ensure that the user has better call quality regardless of the environment.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)

Abstract

La présente invention comprend : l'obtention de données de signal acoustique externe et de données de signal basse fréquence; le traitement des données de signal acoustique externe afin d'éliminer le bruit d'arrière-plan moyenne-haute fréquence et d'obtenir des données traitées préliminaires, le traitement des données traitées préliminaires et du signal basse fréquence afin d'éliminer le bruit basse fréquence et d'obtenir des données sonores d'appel d'utilisateur et l'obtention de données de bruit d'arrière-plan complètes en fonction des données sonores d'appel d'utilisateur; et la commutation du mode contextuel en fonction des données de bruit d'arrière-plan complètes obtenues. L'effet de l'arrière-plan contextuel peut être commuté automatiquement sur la base du bruit d'arrière-plan.
PCT/CN2014/075888 2013-12-13 2014-04-22 Procédé et système de commutation automatique de mode contextuel sur la base d'une amplitude de bruit ambiant Ceased WO2015085693A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310676135.5 2013-12-13
CN201310676135.5A CN103618835A (zh) 2013-12-13 2013-12-13 一种根据周围噪音大小自动切换情景模式的方法及系统

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CN104980590A (zh) * 2015-07-10 2015-10-14 广东欧珀移动通信有限公司 通过mic判断嘈杂环境来控制终端提醒方式的方法及装置
CN105704321A (zh) * 2016-03-21 2016-06-22 广东欧珀移动通信有限公司 利用降噪麦克风动态调节通话音量的方法和系统

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CN103618835A (zh) * 2013-12-13 2014-03-05 惠州Tcl移动通信有限公司 一种根据周围噪音大小自动切换情景模式的方法及系统
CN103945062B (zh) 2014-04-16 2017-01-18 华为技术有限公司 一种用户终端的音量调节方法、装置及终端
CN104992710A (zh) * 2015-06-18 2015-10-21 惠州Tcl移动通信有限公司 一种基于智能器件寻找物品的方法及智能器件
CN104952219A (zh) * 2015-06-18 2015-09-30 惠州Tcl移动通信有限公司 一种基于智能器件寻找物品的方法及智能器件
CN105635432A (zh) * 2015-07-28 2016-06-01 宇龙计算机通信科技(深圳)有限公司 情景模式的设置方法及装置
CN106293607B (zh) * 2016-08-22 2019-12-10 宇龙计算机通信科技(深圳)有限公司 自动切换音频输出模式的方法及系统
CN106791181A (zh) * 2017-01-17 2017-05-31 上海与德信息技术有限公司 一种基于移动终端的情景模式调节方法及装置
CN107105095B (zh) * 2017-04-25 2020-03-31 努比亚技术有限公司 一种声音处理方法及移动终端
CN109151993A (zh) * 2018-07-31 2019-01-04 深圳大图科创技术开发有限公司 一种智能移动终端

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CN104980590A (zh) * 2015-07-10 2015-10-14 广东欧珀移动通信有限公司 通过mic判断嘈杂环境来控制终端提醒方式的方法及装置
CN104980590B (zh) * 2015-07-10 2017-09-29 广东欧珀移动通信有限公司 通过mic判断嘈杂环境来控制终端提醒方式的方法及装置
CN105704321A (zh) * 2016-03-21 2016-06-22 广东欧珀移动通信有限公司 利用降噪麦克风动态调节通话音量的方法和系统
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