WO2016078233A1 - Procédé et appareil d'enregistrement, et terminal - Google Patents

Procédé et appareil d'enregistrement, et terminal Download PDF

Info

Publication number
WO2016078233A1
WO2016078233A1 PCT/CN2015/072447 CN2015072447W WO2016078233A1 WO 2016078233 A1 WO2016078233 A1 WO 2016078233A1 CN 2015072447 W CN2015072447 W CN 2015072447W WO 2016078233 A1 WO2016078233 A1 WO 2016078233A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
sensitivity
recording
sound source
predetermined
Prior art date
Application number
PCT/CN2015/072447
Other languages
English (en)
Chinese (zh)
Inventor
王蔚
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2016078233A1 publication Critical patent/WO2016078233A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor

Definitions

  • the present invention relates to the field of communications, and in particular to a recording method, apparatus, and terminal.
  • FIG. 1 is a schematic diagram of a single microphone recording according to the related art; or a dual microphone noise reduction recording, as shown in FIG. 2, FIG. 2 is based on A schematic diagram of dual microphone recording in the related art.
  • Performance indicators such as sensitivity, signal-to-noise ratio, dynamic range, and distortion of the microphone are fixed.
  • the relatively low sensitivity will result in weak pickup ability of the signal.
  • the relatively low signal-to-noise ratio will result in large noise in the sampled signal.
  • the relatively low input sound pressure level will result in saturation distortion of the pickup of large signals, and the dynamic range is relatively high. Low causes the range of the sample size signal to decrease, signals less than the threshold are not sampled, and signals larger than the threshold are clipped.
  • the sensitivity of the microphone is especially important for the pickup of the acoustic signal.
  • the low sensitivity will result in weak pickup of the signal.
  • the size of the sampled signal is very important for the recording quality. A suitable recording level can be selected to achieve a satisfactory recording effect.
  • the main problems of mobile phone recording are as follows: First, when the distance of the recorded object is too long, the recording signal is too small, which may cause the recorded sound to be unclear; secondly, when the distance of the recorded object is close, the recording signal is too large. It will cause breakage; the third is when the distance from the object being recorded is moderate, but the voice of the recorded object is small, resulting in a small recording signal, which may result in unclear sound; the fourth is when the object being recorded is in a noisy environment (such as a concert, When there is a KTV, a bar or a ball field, there will be a lot of noise. Excessive noise will cause a serious drop in the recording effect. At the same time, if the live recording signal is too large, it may cause breaks and/or noise, which will affect the recording effect.
  • the embodiment of the invention provides a recording method and device, so as to solve at least the problem that the recording effect is poor when recording with the terminal in the related art.
  • a recording method including: determining a position of a sound source; and starting a sound collection device on the recording device according to the position of the sound source, wherein the sensitivity and the sound collection device Position matching of the sound source; recording the sound emitted by the sound source by using the sound collecting device.
  • Determining the position of the sound source includes: receiving a sound signal emitted by the sound source; determining a signal strength of the received sound signal; determining a position of the sound source according to the determined signal strength.
  • the number of the sound collecting devices is two or more, wherein the sound collecting devices have different sensitivities.
  • Starting the sound collection device on the recording device according to the position of the sound source includes: when the distance from the sound source is greater than the first predetermined distance, selecting a sound collection device having a sensitivity higher than the first predetermined sensitivity; When the distance between the sound sources is less than the second predetermined distance, the sound collecting device having the sensitivity lower than the second predetermined sensitivity is selected, wherein the second predetermined distance is smaller than the first predetermined distance, and the second predetermined sensitivity is low And the first predetermined sensitivity; when the distance from the sound source is greater than the second predetermined distance and less than the first predetermined distance, the selection sensitivity is higher than the second predetermined sensitivity and less than the first A sound collection device of predetermined sensitivity.
  • the sound collection device is a microphone.
  • a recording apparatus comprising: a determining module configured to determine a position of a sound source; and an activation module configured to activate a sound collecting device on the recording device according to a position of the sound source, The sensitivity of the sound collection device matches the position of the sound source; and the recording module is configured to record the sound emitted by the sound source by using the sound collection device.
  • the determining module includes: a receiving unit configured to receive a sound signal emitted by the sound source; a first determining unit configured to determine a signal strength of the received sound signal; and a second determining unit configured to determine according to the determined The signal strength determines the location of the sound source.
  • the number of the sound collecting devices is two or more, wherein the sound collecting devices have different sensitivities.
  • the activation module includes: a sound collection device that selects a sensitivity higher than a first predetermined sensitivity when a distance from the sound source is greater than a first predetermined distance; when a distance from the sound source is less than a second predetermined At a distance, a sound collection device having a sensitivity lower than a second predetermined sensitivity is selected, wherein the second predetermined distance is less than the first predetermined distance, and the second predetermined sensitivity is lower than the first predetermined sensitivity; Between the sound sources When the distance is greater than the second predetermined distance and less than the first predetermined distance, a sound collection device having a sensitivity higher than the second predetermined sensitivity and smaller than the first predetermined sensitivity is selected.
  • the sound collection device is a microphone.
  • a terminal comprising the apparatus of any of the above.
  • the sound collection device on the recording device is activated according to the position of the sound source, wherein the sensitivity of the sound collection device matches the position of the sound source;
  • the sound collecting device records the sound emitted by the sound source, and solves the problem that the recording effect is poor when recording with the terminal in the related art, thereby achieving the effect of improving the recording quality.
  • FIG. 1 is a schematic diagram of recording a single microphone according to the related art
  • FIG. 2 is a schematic diagram of dual microphone recording according to the related art
  • FIG. 3 is a flow chart of a recording method in accordance with an embodiment of the present invention.
  • FIG. 4 is a block diagram showing the structure of a recording apparatus according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a determining module 42 according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a terminal according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a microphone position according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of manually selecting a microphone for recording according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of automatic selection of microphone recordings in accordance with an embodiment of the present invention.
  • FIG. 3 is a flowchart of a recording method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 determining a location of the sound source
  • Step S304 starting a sound collection device on the recording device according to the position of the sound source, wherein the sensitivity of the sound collection device matches the position of the sound source;
  • step S306 the sound emitted by the sound source is recorded by the sound collecting device.
  • the sound collection device used according to different positions of the sound source is determined, thereby realizing the sound recording device with different sensitivity to record sounds of different distances, and solving the problem that the recording effect is poor when recording with the terminal in the related art
  • the problem in turn, achieves the effect of improving the quality of the recording.
  • the position of the sound source may be determined by the intensity of the sound signal emitted by the sound source.
  • the sound may be determined by the following method.
  • Source location receiving a sound signal from a sound source; determining a signal strength of the received sound signal; determining a position of the sound source based on the determined signal strength.
  • the number of sound collection devices can be set to two or more, and different sound collection devices can have different sensitivities.
  • the sound collection device of different sensitivity may be selected according to the sounds of different distances.
  • the selection sensitivity is higher than the first a sound collection device of predetermined sensitivity; when the distance from the sound source is less than the second predetermined distance, selecting a sound collection device having a sensitivity lower than the second predetermined sensitivity, wherein the second predetermined distance is smaller than the first predetermined distance, and the second The predetermined sensitivity is lower than the first predetermined sensitivity; when the distance from the sound source is greater than the second predetermined distance and less than the first predetermined distance, the sound collection device having the sensitivity higher than the second predetermined sensitivity and smaller than the first predetermined sensitivity is selected.
  • the sound collecting device may be a microphone.
  • a recording apparatus is also provided in the embodiment, which is configured to implement the above-described embodiments and preferred embodiments, and the description thereof has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the apparatus includes a determining module 42, a starting module 44, and a recording module 46, which will be described below.
  • the determining module 42 is configured to determine the position of the sound source; the starting module 44 is connected to the determining module 42 and configured to start the sound collecting device on the recording device according to the position of the sound source, wherein the sound collecting device has sensitivity and sound source The location is matched; the recording module 46 is coupled to the activation module 44 and configured to record the sound emitted by the sound source using the sound collection device.
  • FIG. 5 is a structural block diagram of the determining module 42 according to an embodiment of the present invention. As shown in FIG. 5, the determining module 42 includes a receiving unit 52, a first determining unit 54, and a second determining unit 56. Be explained.
  • the receiving unit 52 is configured to receive the sound signal emitted by the sound source; the first determining unit 54 is connected to the receiving unit 52, and is configured to determine the signal strength of the received sound signal; the second determining unit 56 is connected to the first determining Module 54, is configured to determine the position of the sound source based on the determined signal strength.
  • the number of sound collection devices may be two or more, and different sound collection devices may have different sensitivity.
  • the sound collection device of different sensitivity may be selected according to the sounds of different distances.
  • the activation module 44 may include: when the distance from the sound source is greater than the first predetermined distance And selecting a sound collection device having a sensitivity higher than the first predetermined sensitivity; and selecting a sound collection device having a sensitivity lower than the second predetermined sensitivity when the distance from the sound source is less than the second predetermined distance, wherein the second predetermined distance is smaller than the second predetermined distance a predetermined distance, the second predetermined sensitivity being lower than the first predetermined sensitivity; when the distance from the sound source is greater than the second predetermined distance and less than the first predetermined distance, the selection sensitivity is higher than the second predetermined sensitivity and less than the first predetermined sensitivity Sound collection device.
  • the sound collecting device in the above embodiment may be a microphone.
  • FIG. 6 is a structural block diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal 62 includes the sound collecting device 64 of any of the above.
  • a multi-microphone selection circuit that includes three microphones of high, medium, and low sensitivity, and different microphones can be selected by switching.
  • the recording object is far away, you can use the high-sensitivity microphone for recording; when the recording object is at a moderate distance, you can use the medium-sensitivity microphone to record; when the recording object is close, you can use the low-sensitivity microphone to record, thus ensuring the recording power.
  • the level is always maintained in a suitable position. Furthermore, the problem of poor recording quality caused by significant differences in recording signals when the recording distance is different is solved.
  • FIG. 7 is a schematic diagram of the position of a microphone according to an embodiment of the present invention.
  • the position of the high, medium and low sensitivity microphones on the mobile phone is as shown in FIG. 7.
  • the user may manually switch, or the terminal may automatically switch.
  • the following two modes are described by using different embodiments:
  • FIG. 8 is a schematic diagram of manually selecting a microphone for recording according to an embodiment of the present invention. As shown in FIG. 8, a multi-microphone selection and recording circuit is provided in this embodiment. The circuit consists of three modules:
  • Multi-microphone module It consists of a high-sensitivity microphone, a normal-sensitivity microphone, and a low-sensitivity microphone.
  • the first selector switch module consists of an analog switch and a mechanical button on the selection housing.
  • Sampling recording module (same as above recording module 46): completed by Codec's microphone recording path.
  • the terminal designed by the circuit can manually switch the switch to select a microphone with different sensitivity for recording.
  • One method is to have a selection item on the UI interface. When recording, the user can select which microphone to use for recording according to the recording environment.
  • the second is that there are mechanical buttons on the mobile phone, and the switch can be switched through the corresponding mechanical buttons.
  • FIG. 9 is a schematic diagram of automatically selecting a microphone recording according to an embodiment of the present invention. As shown in FIG. 9, a multi-microphone selection and recording circuit is provided in this embodiment. The circuit consists of three modules.
  • Multi-microphone module It consists of a high-sensitivity microphone, a normal-sensitivity microphone, and a low-sensitivity microphone.
  • the second selection switch module the switching of the microphone is completed by the Codec control module switch.
  • Sampling recording module (same as above recording module 46): completed by Codec's microphone recording path.
  • the terminal designed with this circuit can automatically switch the switch to select a microphone with different sensitivity for recording.
  • the Codec sends a corresponding control to the selection switch module according to whether the accepted digital signal is higher or lower than a certain range. If the digital signal has exceeded the threshold, the low sensitivity microphone is selected, and if it is lower than the threshold, the high sensitivity microphone is selected.
  • three types of microphones including high, medium, and low sensitivity are selected by switching.
  • the recording object is far away, use the high-sensitivity microphone to record; when the recording object is at a moderate distance, use the medium-sensitivity microphone to record; when the recording object is close, use the low-sensitivity microphone to record, always maintain the recording level at a suitable level.
  • Position solve the problem that the recording signal is different when the recording distance is different, resulting in poor recording quality.
  • other numbers of microphones can also be selected, and microphones with different sensitivities can be selected according to different distances.
  • the problem that the recording quality is poor when the recording distance is different and the recording quality is poor is solved.
  • the terminal achieves better recording effect, and improves the recording quality and the satisfaction of the user.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the recording method, device, and terminal provided by the embodiments of the present invention have the following beneficial effects: solving the problem that the recording effect is poor when recording with the terminal in the related art, thereby achieving the improvement of the recording quality. effect.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

L'invention concerne un procédé et un appareil d'enregistrement, et un terminal. Le procédé comprend les étapes consistant à: déterminer une position d'une source sonore (S302); selon la position de la source sonore, lancer un dispositif de collecte de son sur un dispositif d'enregistrement, la sensibilité du dispositif de collecte de son correspondant à la position de la source sonore (S304); et utiliser le dispositif de collecte de son pour enregistrer un son émis par la source sonore (S306). Le problème de l'état de la technique selon lequel un effet d'enregistrement est faible lorsqu'un terminal est utilisé pour l'enregistrement est résolu, permettant ainsi d'améliorer la qualité d'enregistrement.
PCT/CN2015/072447 2014-11-17 2015-02-06 Procédé et appareil d'enregistrement, et terminal WO2016078233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410657580.1A CN105679356B (zh) 2014-11-17 2014-11-17 录音方法、装置及终端
CN201410657580.1 2014-11-17

Publications (1)

Publication Number Publication Date
WO2016078233A1 true WO2016078233A1 (fr) 2016-05-26

Family

ID=56013148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/072447 WO2016078233A1 (fr) 2014-11-17 2015-02-06 Procédé et appareil d'enregistrement, et terminal

Country Status (2)

Country Link
CN (1) CN105679356B (fr)
WO (1) WO2016078233A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106357871A (zh) * 2016-09-29 2017-01-25 维沃移动通信有限公司 一种扩音方法及移动终端
CN108174369A (zh) * 2017-11-30 2018-06-15 广东小天才科技有限公司 早教设备的麦克风启动方法、装置、早教设备及存储介质
US11962975B2 (en) 2019-10-10 2024-04-16 Shenzhen Shokz Co., Ltd. Audio device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106356067A (zh) * 2016-08-25 2017-01-25 乐视控股（北京）有限公司 录音方法、装置及终端
CN106385489B (zh) * 2016-08-31 2019-01-15 维沃移动通信有限公司 一种确定上行语音数据的方法及移动终端
CN107889031B (zh) * 2017-11-30 2020-02-14 广东小天才科技有限公司 一种音频控制方法、音频控制装置及电子设备
CN109990889B (zh) * 2017-12-29 2021-06-29 深圳市优必选科技有限公司 一种录音机器人的控制方法及装置
CN109817225A (zh) * 2019-01-25 2019-05-28 广州富港万嘉智能科技有限公司 一种基于位置的会议自动记录方法、电子设备及存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004336634A (ja) * 2003-05-12 2004-11-25 Kenwood Corp マイクロフォン感度自動制御装置
JP2008060902A (ja) * 2006-08-31 2008-03-13 Nippon Hoso Kyokai <Nhk> 単一指向性マイクロホン
CN102045618A (zh) * 2009-10-19 2011-05-04 联想(北京)有限公司 自动调整的麦克风阵列、方法和携带麦克风阵列的装置
CN102293015A (zh) * 2009-01-20 2011-12-21 诺基亚公司 用于高振幅音频捕获的多膜麦克风
CN203313362U (zh) * 2013-05-17 2013-11-27 上海耐普微电子有限公司 多模式的微机械麦克风
CN104066036A (zh) * 2014-06-19 2014-09-24 华为技术有限公司 拾音装置及拾音方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5293275B2 (ja) * 2009-03-03 2013-09-18 船井電機株式会社 マイクロホンユニット
CN102403022A (zh) * 2010-09-13 2012-04-04 三洋电机株式会社 录音装置、录音条件设定方法以及录音条件设定程序
CN102186051A (zh) * 2011-03-10 2011-09-14 弭强 基于声音定位的视频监控系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004336634A (ja) * 2003-05-12 2004-11-25 Kenwood Corp マイクロフォン感度自動制御装置
JP2008060902A (ja) * 2006-08-31 2008-03-13 Nippon Hoso Kyokai <Nhk> 単一指向性マイクロホン
CN102293015A (zh) * 2009-01-20 2011-12-21 诺基亚公司 用于高振幅音频捕获的多膜麦克风
CN102045618A (zh) * 2009-10-19 2011-05-04 联想(北京)有限公司 自动调整的麦克风阵列、方法和携带麦克风阵列的装置
CN203313362U (zh) * 2013-05-17 2013-11-27 上海耐普微电子有限公司 多模式的微机械麦克风
CN104066036A (zh) * 2014-06-19 2014-09-24 华为技术有限公司 拾音装置及拾音方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106357871A (zh) * 2016-09-29 2017-01-25 维沃移动通信有限公司 一种扩音方法及移动终端
CN108174369A (zh) * 2017-11-30 2018-06-15 广东小天才科技有限公司 早教设备的麦克风启动方法、装置、早教设备及存储介质
CN108174369B (zh) * 2017-11-30 2021-04-23 广东小天才科技有限公司 早教设备的麦克风启动方法、装置、早教设备及存储介质
US11962975B2 (en) 2019-10-10 2024-04-16 Shenzhen Shokz Co., Ltd. Audio device

Also Published As

Publication number Publication date
CN105679356A (zh) 2016-06-15
CN105679356B (zh) 2019-02-15

Similar Documents

Publication Publication Date Title
WO2016078233A1 (fr) Procédé et appareil d&#39;enregistrement, et terminal
US11727936B2 (en) Voice detection optimization based on selected voice assistant service
US11302341B2 (en) Microphone array based pickup method and system
JP5085556B2 (ja) エコー除去の構成
US20230410813A1 (en) Voice assistant persistence across multiple network microphone devices
TWI272860B (en) Audio receiver and volume reminder method
CN104991754B (zh) 录音方法及装置
US11790937B2 (en) Voice detection optimization using sound metadata
US8878678B2 (en) Method and apparatus for providing an intelligent mute status reminder for an active speaker in a conference
WO2019033986A1 (fr) Procédé de détection de dispositif de lecture de son, appareil, support d&#39;enregistrement et terminal
WO2017088632A1 (fr) Procédé d&#39;enregistrement, procédé et appareil de lecture d&#39;enregistrement et terminal
WO2013170522A1 (fr) Procédé et dispositif d&#39;ajustement et de traitement d&#39;une sonnerie de téléphone
US10510361B2 (en) Audio processing apparatus that outputs, among sounds surrounding user, sound to be provided to user
CN105187602B (zh) 一种终端音量的调节方法和装置
US20090323973A1 (en) Selecting an audio device for use
CN105491252A (zh) 一种切换彩铃的方法装置
CN111988704B (zh) 声音信号处理方法、装置以及存储介质
WO2023025004A1 (fr) Procédé et appareil d&#39;enregistrement vidéo, dispositif électronique et support de stockage lisible
CN106961509B (zh) 通话参数处理方法、装置及电子设备
US9251803B2 (en) Voice filtering method, apparatus and electronic equipment
WO2015131634A1 (fr) Procédé et terminal pour une réduction de bruit audio
US20130287217A1 (en) Noise handling during audio and video recording
CN108449498B (zh) 语音通话数据处理方法、装置、存储介质及移动终端
US20130226581A1 (en) Communication device and method
WO2023245390A1 (fr) Procédé et appareil de commande d&#39;écouteur intelligent, dispositif électronique et support de stockage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15860862

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15860862

Country of ref document: EP

Kind code of ref document: A1