WO2021227571A1 - Dispositif intelligent, et procédé et système de commande de haut-parleur intelligent - Google Patents

Dispositif intelligent, et procédé et système de commande de haut-parleur intelligent Download PDF

Info

Publication number
WO2021227571A1
WO2021227571A1 PCT/CN2021/075139 CN2021075139W WO2021227571A1 WO 2021227571 A1 WO2021227571 A1 WO 2021227571A1 CN 2021075139 W CN2021075139 W CN 2021075139W WO 2021227571 A1 WO2021227571 A1 WO 2021227571A1
Authority
WO
WIPO (PCT)
Prior art keywords
smart
sound
detection module
smart device
speaker
Prior art date
Application number
PCT/CN2021/075139
Other languages
English (en)
Chinese (zh)
Inventor
刘广松
王梓瑞
杨青
Original Assignee
苏州触达信息技术有限公司
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 苏州触达信息技术有限公司 filed Critical 苏州触达信息技术有限公司
Publication of WO2021227571A1 publication Critical patent/WO2021227571A1/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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics

Definitions

  • a method for controlling a smart speaker is suitable for a smart device including a first sound detection module and a second sound detection module.
  • the method includes: detecting a first sound signal that reaches the first sound detection module directly, and detecting The second sound signal of the second sound detection module, wherein the first sound signal and the second sound signal are simultaneously transmitted by the same smart speaker; the receiving time of the first sound signal and the receiving time of the second sound signal are determined Based on the distance between the first sound detection module and the second sound detection module and the time difference, determine the relative angle between the smart device and the smart speaker; send a notification message containing the relative angle to the smart A sound box, so that the smart sound box directionally emits sound to the smart device based on the relative angle.
  • the first sound detection module and the second sound detection module in the second smart device respectively detect the sound signal.
  • the detection signal detected by the first sound detection module and the sound signal directly reaching the first sound detection module is determined to be the first sound signal; the detection signal detected by the second sound detection module and the sound signal directly reaching the first sound detection module
  • the detection signal is determined to be the second sound signal.
  • the second smart device sends out multiple sound signals at the same time, for example, it sends out an ultrasonic signal and an audible sound signal.
  • the first sound detection module in the second smart device is adapted to detect ultrasonic signals
  • the second sound detection module is adapted to detect audible sound signals.
  • the first sound detection module detects the ultrasonic signal
  • the second sound detection module detects the audible sound signal.
  • the detection signal detected by the first sound detection module and the ultrasonic signal reaching the first sound detection module is determined to be the first sound signal
  • the detection signal of the module is determined to be the second sound signal.
  • the first sound signal and the second sound signal are ultrasonic waves having a code division multiple access format and include a media access control address (MAC) of the second smart device.
  • MAC media access control address
  • the first smart device can accurately identify the source of the sound signal based on the MAC address of the second smart device included in the sound signal.
  • the first smart device can accurately use two direct signals from the same sound source to determine the relative angle to the sound source based on the MAC address extracted from the sound signal. Will not be interfered by other sound sources.
  • Step 3 The second smart device calculates the distance difference d between the two direct signals for the positioning signal based on the time difference between the two direct signals detected by the two sets of microphones contained in the second smart device.
  • Step 2 The two microphone arrays of the smart phone receive ultrasonic signals and calculate the Mac address of the smart speaker. At the same time, the smart phone calculates the distance difference d between the two direct signals of the two microphone arrays.
  • the embodiment of the present invention also proposes an application scenario in which a smart device (such as a smart phone, a smart earphone, etc.) that can produce sound is used to control a smart speaker according to the foregoing relative angle calculation method.
  • a smart device such as a smart phone, a smart earphone, etc.
  • Fig. 11 is a structural diagram of a smart device according to the present invention.
  • a first sound detection module and a second sound detection module are arranged in the smart device, and there is a fixed distance between the first sound detection module and the second sound detection module.
  • the size of the smart device is usually small, so the distance between the first sound detection module and the second sound detection module arranged in the smart device is much smaller than the distance between the smart device and the smart speaker.
  • Smart devices are suitable for being held or worn by users, for example, they can be implemented as smart phones, smart earphones, smart remote controls, tablet computers, personal digital assistants, smart bracelets, smart glasses, and so on.
  • the smart speaker uses a built-in microphone (or microphone array) to simultaneously transmit the first sound signal directly to the first sound detection module and the second sound signal directly to the second sound detection module.
  • the smart speaker can reuse an original microphone in the smart speaker to simultaneously transmit the first sound signal and the second sound signal.
  • add a microphone to the smart speaker and use the newly added microphone to simultaneously transmit the first sound signal and the second sound signal.
  • Smart devices can use the built-in controller to perform the relative angle determination process, or use a single-chip computer, single-board computer, or DSP and other control modules to perform the relative angle determination process.
  • the speaker array in the smart speaker directionally emits sound to the smart device based on the emission angle, or the ultrasonic directional sound generator in the smart speaker directionally emits sound to the smart device based on the emission angle.
  • Loudspeaker array technology A large number of high-frequency speakers form an array to form a beam.
  • the beam direction that is, the main lobe direction, has the highest energy, and the beam direction is aligned with the smart device that is positioned based on the relative angle.
  • the smart speaker includes: an array processor for generating an audio signal containing a beam deflection angle aimed at the smart device based on the emission angle; a digital-to-analog converter for converting the audio signal into an analog format; and a power amplifier for Power amplifies the audio signal output by the digital-to-analog converter; the speaker array is used to transmit the audio signal output by the power amplifier.
  • Ultrasound-based audio frequency directional propagation technology The audible sound signal is modulated onto the ultrasonic carrier signal and emitted into the air by the ultrasonic transducer.
  • these signals will interact and self-demodulate, and then generate a new sound wave whose frequency is the sum of the original ultrasonic frequency (sum frequency) and the difference (difference frequency). If the ultrasonic wave is selected properly, the difference frequency sound wave can fall in the audible sound area. In this way, with the help of the high directivity of the ultrasound itself, the process of directional sound propagation is realized.
  • smart speakers include: an ultrasonic directional sounder.
  • Example 2 Based on the rotation angle of the smart device and the relative angle between the smart device and the smart speaker at the rotation stop point, determine the distance between the smart device and the smart speaker at the rotation stop point. Specifically, when the smart device is rotated from the first position point T 1 to the second position point T 2 with the fixed point A as the center, the rotation angle of the smart device is determined; wherein when the smart device rotates to the second position point T 2 , Based on the relative difference between the smart device and the smart speaker determined based on the time difference between the first sound detection module and the second sound detection module arranged on the smart device for the direct sound signal sent by the smart speaker at the position B The angle has changed to zero, or the relative angle continues to change to an angle ⁇ after changing to zero, where ⁇ is not greater than 180 degrees; the distance between the smart device and the smart speaker is determined based on the relative angle and the rotation angle.
  • determining the distance between the smart device and the smart speaker includes: Determine the distance R 1 between the smart device and the smart speaker when the smart device is at the first position point T 1 ; where R 2 is the distance between the fixed point A and the smart device; It is the relative angle between the smart device and the smart speaker when the smart device is at the first position point T 1 ; ⁇ 1 is the rotation angle, and ⁇ 1 is the angle ⁇ T 1 AB.
  • determining the distance between intelligent devices and intelligent speaker comprising: based Determine the distance R 1 between the smart device and the smart speaker when the smart device is at the second position point T 2 ; where R 2 is the distance between the fixed point A and the smart device; It is the relative angle between the smart device and the smart speaker when the smart device is at the second position point T 2 ; ⁇ 1 is the rotation angle, and ⁇ 1 is the angle ⁇ T 2 AB.
  • Step 1201 Detect a first sound signal directly reaching the first sound detection module, and detect a second sound signal directly reaching the second sound detection module, wherein the first sound signal and the second sound signal are the same intelligent The speakers emit at the same time.
  • Step 1202 Determine the time difference between the receiving moment of the first sound signal and the receiving moment of the second sound signal.
  • Step 1204 Send a notification message including the relative angle to the smart speaker, so that the smart speaker directionally emits sound to the smart device based on the relative angle.
  • Fig. 13 is a structural diagram of a system for controlling a smart speaker according to the present invention.
  • the smart speaker 30 is placed horizontally on the ground.
  • the microphone 20 in the smart speaker 30 continuously emits an ultrasonic signal containing the logo of the smart speaker 30.
  • the user opens the APP in the smart phone 40 and triggers the play button in the APP.
  • the first microphone 18 and the second microphone 19 of the smart phone 40 respectively detect ultrasonic signals containing the unique identification of the smart phone 40.
  • the distance between the first microphone 18 and the second microphone 19 is D.
  • the controller in the smart phone 40 determines that the identifiers contained in the ultrasonic signals received by the first microphone 18 and the second microphone 19 are the same, the controller respectively calculates the relative angles of the smart phone 40 and the smart speaker 30 And the distance L between the smart phone 40 and the smart speaker 30.
  • Relative angle Is the angle between the line E between the microphone 20 and the first microphone 18 and the line A between the first microphone 18 and the second microphone 19, or the line K between the microphone 20 and the second microphone 19 and the first microphone 18
  • the angle between the line A and the second microphone 19, where D is sufficiently small relative to L, the two angles can be regarded as the same.
  • the smartphone 40 will include relative angles via wireless communication
  • the notification message of the distance L is sent to the server, and the server forwards the notification message to the smart speaker 30.
  • the smart speaker 30 calculates the emission angle to be ( ⁇ - ⁇ ).
  • the speaker array is controlled to directionally emit sound to the smart phone 40 based on the emission angle ( ⁇ - ⁇ ) and the distance L, where the volume of the sound and the distance L have a monotonically increasing relationship.
  • the main beam of sound covers the area defined by the straight line B and the straight line C, and the beam deflection angle of the main beam is ( ⁇ - ⁇ ). Therefore, the user who is holding the smartphone 40 between the straight line B and the straight line C can listen to the sound directionally.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

La présente invention concerne un dispositif intelligent ainsi qu'un procédé et un système de commande d'un haut-parleur intelligent. Le dispositif intelligent comprend : un premier module de détection de son configuré pour détecter un premier signal sonore atteignant directement le premier module de détection de son ; un second module de détection de son configuré pour détecter un second signal sonore atteignant directement le second module de détection de son, le premier signal sonore et le second signal sonore étant simultanément émis à partir d'un même haut-parleur intelligent ; un module de détermination d'angle configuré pour déterminer une différence de temps entre un instant de réception du premier signal sonore et un instant de réception du second signal sonore, et pour déterminer un angle relatif entre le dispositif intelligent et le haut-parleur intelligent sur la base de la distance entre le premier module de détection de son et le second module de détection de son et la différence de temps ; et un module d'envoi configuré pour envoyer au haut-parleur intelligent un message de notification comprenant l'angle relatif, de telle sorte que le haut-parleur intelligent émet de manière directionnelle un son vers le dispositif intelligent sur la base de l'angle relatif. Un sondage directionnel basé sur un calcul d'angle relatif est obtenu.
PCT/CN2021/075139 2020-05-13 2021-02-04 Dispositif intelligent, et procédé et système de commande de haut-parleur intelligent WO2021227571A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010402878.3 2020-05-13
CN202010402878.3A CN112104929A (zh) 2020-05-13 2020-05-13 一种智能设备、控制智能音箱的方法和系统

Publications (1)

Publication Number Publication Date
WO2021227571A1 true WO2021227571A1 (fr) 2021-11-18

Family

ID=73750084

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/075139 WO2021227571A1 (fr) 2020-05-13 2021-02-04 Dispositif intelligent, et procédé et système de commande de haut-parleur intelligent

Country Status (2)

Country Link
CN (1) CN112104929A (fr)
WO (1) WO2021227571A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112104929A (zh) * 2020-05-13 2020-12-18 苏州触达信息技术有限公司 一种智能设备、控制智能音箱的方法和系统
CN112104928A (zh) * 2020-05-13 2020-12-18 苏州触达信息技术有限公司 一种智能音箱、控制智能音箱的方法和系统
CN112969121A (zh) * 2021-04-12 2021-06-15 苏州触达信息技术有限公司 耳机与多媒体设备的智能交互系统及方法
CN113873392A (zh) * 2021-09-06 2021-12-31 深圳市海创嘉科技有限公司 一种智能音箱阵列系统
CN115914988A (zh) * 2021-09-30 2023-04-04 华为技术有限公司 用于指引用户的方法和电子设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003083828A1 (fr) * 2002-03-27 2003-10-09 Aliphcom Configurations pour detection de microphone et d'activite vocale (vad) s'utilisant avec des systemes de communication
CN103366756A (zh) * 2012-03-28 2013-10-23 联想(北京)有限公司 一种声音信号的接收方法及装置
CN105223543A (zh) * 2014-06-25 2016-01-06 Tcl集团股份有限公司 一种基于音响装置的声波定位方法及其系统
CN107271963A (zh) * 2017-06-22 2017-10-20 广东美的制冷设备有限公司 声源定位的方法和装置及空调器
CN108966077A (zh) * 2018-06-19 2018-12-07 四川斐讯信息技术有限公司 一种音箱音量的控制方法及系统
CN110379439A (zh) * 2019-07-23 2019-10-25 腾讯科技（深圳）有限公司 一种音频处理的方法以及相关装置
CN112104929A (zh) * 2020-05-13 2020-12-18 苏州触达信息技术有限公司 一种智能设备、控制智能音箱的方法和系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003083828A1 (fr) * 2002-03-27 2003-10-09 Aliphcom Configurations pour detection de microphone et d'activite vocale (vad) s'utilisant avec des systemes de communication
CN103366756A (zh) * 2012-03-28 2013-10-23 联想(北京)有限公司 一种声音信号的接收方法及装置
CN105223543A (zh) * 2014-06-25 2016-01-06 Tcl集团股份有限公司 一种基于音响装置的声波定位方法及其系统
CN107271963A (zh) * 2017-06-22 2017-10-20 广东美的制冷设备有限公司 声源定位的方法和装置及空调器
CN108966077A (zh) * 2018-06-19 2018-12-07 四川斐讯信息技术有限公司 一种音箱音量的控制方法及系统
CN110379439A (zh) * 2019-07-23 2019-10-25 腾讯科技（深圳）有限公司 一种音频处理的方法以及相关装置
CN112104929A (zh) * 2020-05-13 2020-12-18 苏州触达信息技术有限公司 一种智能设备、控制智能音箱的方法和系统

Also Published As

Publication number Publication date
CN112104929A (zh) 2020-12-18

Similar Documents

Publication Publication Date Title
WO2021227571A1 (fr) Dispositif intelligent, et procédé et système de commande de haut-parleur intelligent
WO2021227570A1 (fr) Dispositif de haut-parleur intelligent, et procédé et système de commande de dispositif de haut-parleur intelligent
US10492015B2 (en) Automated user/sensor location recognition to customize audio performance in a distributed multi-sensor environment
EP3122066B1 (fr) Amélioration audio via une utilisation opportuniste de microphones
JP4725643B2 (ja) 音波出力装置、通話装置、音波出力方法、及びプログラム
CN103229518B (zh) 听力辅助系统和方法
CN106303836B (zh) 一种调节立体声播放的方法及装置
US20160161595A1 (en) Narrowcast messaging system
US20130003983A1 (en) Headphone
JP2008543143A (ja) 音響変換器のアセンブリ、システムおよび方法
CN106506793B (zh) 声学配对的装置和方法
US9729970B2 (en) Assembly and a method for determining a distance between two sound generating objects
US20160165338A1 (en) Directional audio recording system
US20070165866A1 (en) Method and apparatus to facilitate conveying audio content
CN112672251A (zh) 一种扬声器的控制方法和系统、存储介质及扬声器
CN108966086A (zh) 基于目标位置变化的自适应定向音频系统及其控制方法
CN109672465B (zh) 一种调整天线增益的方法、设备及系统
CN112098949B (zh) 一种定位智能设备的方法和装置
CN112104686B (zh) 一种智能设备和智能设备间的文件传输方法
TWI687104B (zh) 定向聲音播放系統及其播放方法
CN112098935A (zh) 一种寻找智能设备的方法和智能设备
KR101450095B1 (ko) 실시간 위치 추적 초음파 장치를 이용한 자동 음량 조절 시스템
CN215912213U (zh) 一种多功能耳机
EP3539128A1 (fr) Traitement de la parole à partir de microphones répartis
EP1410678A2 (fr) Procede et systeme de transmission et/ou de reception de signaux audio dans le sens souhaite

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: 21804240

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: 21804240

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM1205A DATED 27.06.2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21804240

Country of ref document: EP

Kind code of ref document: A1