WO2017183372A1 - Dispositif d'aide à la transformation intérieure d'un véhicule - Google Patents

Dispositif d'aide à la transformation intérieure d'un véhicule Download PDF

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Publication number
WO2017183372A1
WO2017183372A1 PCT/JP2017/010774 JP2017010774W WO2017183372A1 WO 2017183372 A1 WO2017183372 A1 WO 2017183372A1 JP 2017010774 W JP2017010774 W JP 2017010774W WO 2017183372 A1 WO2017183372 A1 WO 2017183372A1
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WO
WIPO (PCT)
Prior art keywords
vehicle interior
speaker
occupant
conversation
sound
Prior art date
Application number
PCT/JP2017/010774
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English (en)
Japanese (ja)
Inventor
家田　清一
一平 菅江
Original Assignee
アイシン精機 株式会社
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 アイシン精機 株式会社 filed Critical アイシン精機 株式会社
Publication of WO2017183372A1 publication Critical patent/WO2017183372A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/10—Speech classification or search using distance or distortion measures between unknown speech and reference templates
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Definitions

  • the present invention relates to a vehicle interior conversation support device.
  • the vehicle interior conversation assisting device described in Patent Document 1 includes a sound collection microphone and a speaker provided on a ceiling portion of the vehicle compartment on the front seat side and the rear seat side of the vehicle, respectively. Then, the sound picked up by the sound collecting microphone on the front seat side is output from the speaker on the rear seat side, and the sound picked up by the sound collecting microphone on the back seat side is output from the speaker on the front seat side, It is the structure which assists the conversation between the passenger
  • the sound collecting microphone on the front seat side is provided on the front side of the speaker on the front seat side, and the sound collecting microphone on the rear seat side is provided on the rear side of the speaker on the rear seat side.
  • the sound collecting microphone on the front seat side has a sound collecting area directed toward the vehicle front side, and the sound collecting microphone on the rear seat side has a sound collecting area directed toward the vehicle rear side.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle interior conversation support device that can more clearly convey the voice of the speaker to the listener.
  • a vehicle interior conversation support device that solves the above problems includes a sound collection unit that collects sound information in the vehicle interior, an occupant detection unit that detects an occupant in the vehicle interior, and an occupant in which the sound information is detected in the vehicle interior
  • a conversation determination unit that determines whether the conversation indicates a conversation of the passenger
  • a speaker identification unit that identifies a speaker of the conversation when the sound information indicates the conversation of the occupant
  • the speaker And a selective collection output unit that selectively collects and outputs the voice of the above.
  • the voice of the speaker can be transmitted to the listener more clearly even in situations where the sound inside and outside the vehicle hinders the conversation. And thereby, the convenience of a passenger can be improved.
  • a seating position specifying unit that specifies a seating position of the occupant in the vehicle interior
  • a sound source specifying unit that specifies a sound source of the sound information
  • a sound source of the sound information is detected in the vehicle interior.
  • a match determination unit that determines whether or not the seating position of any occupant coincides with the seating position of the occupant. In this case, it is preferable to specify the occupant as a speaker of the conversation.
  • the vehicle interior conversation support device may further include a microphone array provided in the vehicle interior having a plurality of directional microphones facing different directions.
  • the sound source specifying unit preferably specifies a sound source direction of the sound information based on a position where the microphone array is provided based on an input level of each directional microphone, and the match determination unit When the seating position of the passenger is in the sound source direction of the sound information, it is preferable to determine that the seating position of the passenger matches the sound source.
  • the vehicle interior conversation support device may further include a plurality of directional microphones provided in the vehicle interior in a state in which they face in different directions.
  • the selective collection output unit selects a directional microphone facing the direction of the speaker from the plurality of directional microphones and collects the voice of the speaker using the selected directional microphone. Is preferred.
  • the vehicle interior conversation support device further includes a plurality of directional speakers provided in the vehicle interior in directions different from each other, and the selective collection output unit is configured to selectively collect the speech of the speaker. Is preferably output from a directional speaker facing the direction of an occupant other than the speaker detected in the passenger compartment among the plurality of directional speakers.
  • the voice of the speaker can be efficiently transmitted to other occupants who are listeners. It is preferable that the vehicle interior conversation support apparatus further includes a noise filter that attenuates noise other than voice included in the sound information.
  • the voice of the speaker can be transmitted to the listener more clearly.
  • the occupant detection unit of the vehicle interior conversation support apparatus may detect an occupant in the vehicle interior based on a captured image projected by a camera provided in the vehicle interior. In this case, the captured image can be shared with vehicle security control.
  • the occupant detection unit of the vehicle interior conversation support device may detect an occupant in the vehicle interior based on an output of a seating sensor provided on a seat in the vehicle interior. In this case, an occupant in the passenger compartment can be accurately detected with a simple configuration.
  • the vehicle 1 of the present embodiment is provided with a camera 3 that displays an image in the passenger compartment 2.
  • the camera 3 constitutes a monitor unit 10 that is integrated with the sound collecting microphone 4 and the speaker 5.
  • the vehicle 1 of this embodiment becomes the structure by which this monitor unit 10 is arrange
  • the camera 3 of the monitor unit 10 of the present embodiment is an omnidirectional camera 23 that can photograph all the seats 7 and all the vehicle windows 20 provided in the passenger compartment 2. .
  • the seat 7 shown in the lower left is the right front seat (driver's seat) 7fa
  • the seat 7 shown in the lower right is the left front seat (passenger seat) 7fb
  • the two seats 7 shown on the upper side are a right rear seat 7ra and a left rear seat 7rb, respectively.
  • the windshield 20 fa, 20 fb, 20 ra, 20 rb located on the side of each seat 7 and the windshield 20 fc and rear glass 20 rc of the vehicle 1 are also shown as the vehicle window 20.
  • the sound collecting microphone 4 of the monitor unit 10 is a microphone array 24X including a plurality of directional microphones 24 (24a to 24d) facing different directions.
  • the speaker 5 of the monitor unit 10 is a speaker array 25X including a plurality of directional speakers 25 (25a to 25d) that are similarly directed in different directions.
  • the monitor ECU 30 of the present embodiment specifies the sound source of the sound information IS collected using the sound collection microphone 4 based on the comparison of the input levels of the directional microphones 24 constituting the microphone array 24X, that is, the sound collection volume. To do.
  • the monitor ECU 30 determines whether or not the sound source of the sound information IS matches the seating position of any occupant 40 detected in the passenger compartment 2.
  • the monitor ECU 30 of the present embodiment first performs image analysis of the captured image IP in the passenger compartment 2 imaged by the camera 3 (step 101), and based on the analysis result, the passenger compartment 2 determines whether or not there is an occupant 40 in step 2 (step 102).
  • the passenger compartment conversation support control is performed to selectively collect and output the voice of the occupant 40 as the speaker 51. Execute (step 103).
  • the monitor ECU 30 determines whether or not the seating position of any occupant 40 identified in step 201 matches the sound source of the sound information IS identified in step 203 (step 204). Furthermore, when the sound source of the sound information IS matches the seating position of any occupant 40 (step 204: YES), the monitor ECU 30 determines whether or not the sound information IS indicates the conversation of the occupant 40. Determination is made (step 205). When the sound information IS indicates the conversation of the occupant 40 (step 205: YES), the occupant 40 that matches the sound source of the sound information IS is specified as the speaker 51 of the conversation (step 206). .
  • the monitor ECU 30 selectively collects the voice of the occupant 40 identified as the speaker 51 (step 207). That is, among the directional microphones 24 (24a to 24d) constituting the microphone array 24X of the monitor unit 10, the directional microphone 24 facing the seat 7 on which the speaker 51 is seated is selected and used. The sound information IST, that is, the voice of the speaker 51 is collected. Further, the monitor ECU 30 of the present embodiment uses the noise filter 55 (see FIG. 4), thereby the sound included in the sound information IST collected by the directional microphone 24 facing the seat 7 on which the speaker 51 is seated. Noise other than the above is attenuated (noise filter processing, step 208).
  • the monitor ECU 30 of the present embodiment is directed to the seat 7 in which the listener 52 who is an occupant other than the speaker 51 sits among the directional speakers 25 (25a to 25d) constituting the speaker array 25X of the monitor unit 10. And the sound information IST after the noise filter processing, that is, the voice of the speaker 51 in a state where the noise is attenuated is output from the selected directional speaker 25 (step 209). .
  • the monitor ECU 30 collects sound information IS in the passenger compartment 2 by functioning as a sound collection unit together with the sound collection microphone 4. Moreover, monitor ECU30 detects the passenger
  • the voice of the speaker 51 can be transmitted to the listener 52 more clearly even in a situation where the sound inside and outside the vehicle 1 hinders conversation. And thereby, the convenience of passenger 40 can be improved.
  • security control of the vehicle 1 can be executed by performing image analysis on the captured image IP projected by the camera 3.
  • the monitor ECU 30 functions as a seating position specifying unit, thereby specifying the seating position (seat 7 on which the passenger is seated) in the passenger compartment 2 based on the captured image IP reflected by the camera 3. Further, the monitor ECU 30 functions as a sound source specifying unit to analyze the sound information IS collected using the sound collecting microphone 4 in the passenger compartment 2 and specify the sound source of the sound information IS based on the analysis result. To do. Furthermore, the monitor ECU 30 functions as a coincidence determination unit to determine whether or not the sound source of the specified sound information IS matches the seating position of any occupant 40 detected in the passenger compartment 2. Then, when the sound source of the sound information IS matches the seating position of any occupant 40, the monitor ECU 30 functions as a utterer specifying unit, thereby specifying the occupant 40 as the speaker 51 of the conversation.
  • the speaker 51 of the conversation can be specified with high accuracy.
  • the voice of the occupant 40 as the speaker 51 can be transmitted to the listener 52 more clearly.
  • a microphone array 24X having a plurality of directional microphones 24 (24a to 24d) facing different directions is provided in the passenger compartment 2. Then, the monitor ECU 30 functions as a selection collection output unit, selects the directional microphone 24 facing the direction of the speaker 51, and collects the voice of the speaker 51 using it. By adopting such a configuration, the voice of the speaker 51 can be selectively collected with high accuracy.
  • the monitor ECU 30 functions as a sound source specifying unit and a coincidence determining unit, so that the sound source of the sound information IS based on the position where the microphone array 24X is provided based on the input level of each directional microphone 24
  • the direction is specified and the seating position of the occupant 40 is in the sound source direction of the sound information IS
  • a speaker array 25X having a plurality of directional speakers 25 (25a to 25d) facing different directions is provided.
  • the monitor ECU 30 functions as a selective collection output unit, so that the voice of the speaker 51 selectively collected is transmitted from the directional speaker 25 facing the listener 52 who is an occupant 40 other than the speaker 51. Output. Thereby, the voice of the speaker 51 can be efficiently transmitted to the listener 52.
  • the monitor ECU 30 as the speaker sound information output unit includes a noise filter 55 for attenuating noise other than speech included in the sound information IS collected using the sound collection microphone 4. Thereby, the voice of the speaker 51 can be transmitted to the listener 52 more clearly.
  • the camera 3 constitutes the monitor unit 10 integrated with the sound collecting microphone 4 and the speaker 5. And it decided to arrange
  • the present invention is not limited to this, and the camera 3 does not necessarily have to be provided integrally with the sound collecting microphone 4 and the speaker 5. You may change arbitrarily, such as a pillar.
  • a configuration using a wide-angle camera such as the omnidirectional camera 23 is not necessarily required, and the number of cameras may be arbitrarily changed. Further, the arrangement and configuration of the sound collecting microphone 4 and the speakers 5 and the number thereof may be arbitrarily changed.
  • the vehicle interior conversation support device 31 may not necessarily include the directional microphone 24 and the directional speaker 25.
  • the sound collecting microphones 4 are provided at a plurality of locations in the passenger compartment 2, the one disposed near the passenger 40 identified as the speaker 51 is selected from the plurality of sound collecting microphones 4.
  • the voice of the speaker 51 may be collected using the selected sound collecting microphone 4.
  • speakers 5 are provided at a plurality of locations in the passenger compartment 2, a speaker 5 arranged in the vicinity of a listener 52 who is an occupant other than the speaker 51 is selected from the plurality of speakers 5.
  • the speaker 5 may be configured to output the voice of the speaker 51 from the speaker 5. Further, the voice of the speaker 51 collected selectively may not necessarily be output toward the listener 52.
  • the authentication ECU when the authentication ECU detects the proximity of a person to the vehicle 1 by wireless communication with a portable device (electronic key), image analysis processing and sound information analysis processing used for in-vehicle conversation support control are started. It was decided to be done.
  • the present invention is not limited to this.
  • the start timing of the image analysis processing and the sound information analysis processing is arbitrarily set including the start trigger of the camera 3 and the sound collection microphone 4 such as when the vehicle 1 is turned on (IG on). May be.
  • the present invention is not limited to this, and it may be configured to determine whether or not the seating position of the occupant 40 matches the sound source of the sound information IS after determining whether or not the sound information IS indicates conversation. .
  • the speaker 51 of the conversation can be specified with higher accuracy.
  • the presence / absence of the occupant 40 in the vehicle 1 and its seating position are detected by analyzing the captured image IP of the camera 3 provided in the passenger compartment 2.
  • the present invention is not limited to this, and an occupant may be detected using the output of a seating sensor provided on the vehicle seat.
  • the seating sensor may be of any type, such as a pressure sensitive type using a membrane switch or a strain gauge, a capacitance type, etc.
  • the speaker array 25X similar to the above embodiment is provided in the passenger compartment 2, among the directional speakers 25 forming the speaker array 25X, in human detection based on the captured image IP of the camera 3, It is good to select the thing facing the direction of the vehicle window 20 determined that the person outside the vehicle is reflected, and to output the voice of the speaker 51 from the directional speaker 25. Or you may make it output a sound toward the listener 52 outside a vehicle using the speaker 5 provided in the vehicle interior 2.
  • SYMBOLS 1 ... Vehicle, 2 ... Vehicle compartment, 2a ... Ceiling part, 3 ... Camera (occupant detection part, speaker identification part, seating position identification part, and coincidence determination part), 4 ... Sound collection microphone (sound collection part, speaker) Specific unit, coincidence determination unit, and selective collection output unit), 5 ... speaker (selection collection output unit), 7 ... seat, 7f ... front seat, 7r ... rear seat, 7fa ... right front seat, 7rb ... left rear seat DESCRIPTION OF SYMBOLS 10 ... Monitor unit, 20 ... Car window, 23 ... Omnidirectional camera, 24 (24a-24d) ... Directional microphone, 24X ... Microphone array, 25 (25a-25d) ... Directional speaker, 25X ...

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Mechanical Engineering (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

La présente invention concerne un dispositif d'aide à la transformation intérieure d'un véhicule doté d'une unité de collecte de son destinée à collecter des informations de son à l'intérieur d'un véhicule, une unité de détection d'équipage destinée à détecter un équipage à l'intérieur du véhicule, une unité de détermination de transformation destinée à déterminer si les informations de son sont ou non celles qui indiquent la transformation de l'équipage détectée à l'intérieur du véhicule, une unité de spécification de haut-parleur destinée à spécifier le haut-parleur d'une transformation lorsque les informations de son sont celles qui indiquent la transformation de l'équipage, et une unité de collecte et de sortie sélective destinée à collecter de façon sélective les voix du haut-parleur et à délivrer les voix collectées.
PCT/JP2017/010774 2016-04-18 2017-03-16 Dispositif d'aide à la transformation intérieure d'un véhicule WO2017183372A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016083134A JP2017193207A (ja) 2016-04-18 2016-04-18 車室内会話支援装置
JP2016-083134 2016-04-18

Publications (1)

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WO2017183372A1 true WO2017183372A1 (fr) 2017-10-26

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PCT/JP2017/010774 WO2017183372A1 (fr) 2016-04-18 2017-03-16 Dispositif d'aide à la transformation intérieure d'un véhicule

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WO (1) WO2017183372A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114255753A (zh) * 2021-12-21 2022-03-29 北京地平线机器人技术研发有限公司 语音交互指令处理方法、装置及计算机可读存储介质
CN114598962A (zh) * 2020-12-07 2022-06-07 湾流航空航天公司 飞机上确定位置并操控换能器波束至该位置的麦克风阵列
WO2024078435A1 (fr) * 2022-10-09 2024-04-18 蔚来汽车科技(安徽)有限公司 Procédé de commutation dynamique de zones vocales, procédé d'interaction vocale, dispositif, support et véhicule

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6984420B2 (ja) * 2018-01-09 2021-12-22 トヨタ自動車株式会社 対話装置
JP2019123354A (ja) * 2018-01-16 2019-07-25 株式会社デンソー 乗員検知装置
JP7405502B2 (ja) * 2018-08-24 2023-12-26 Ｌｉｎｅヤフー株式会社 情報処理装置、情報処理方法、及び情報処理プログラム
JP2020044879A (ja) 2018-09-14 2020-03-26 トヨタ自動車株式会社 車両用音入出力装置
JP7163876B2 (ja) * 2019-07-02 2022-11-01 トヨタ車体株式会社 車内会話支援装置
WO2021038736A1 (fr) * 2019-08-28 2021-03-04 三菱電機株式会社 Dispositif de commande de champ sonore et procédé de commande de champ sonore

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02312349A (ja) * 1989-05-26 1990-12-27 Fujitsu Ten Ltd 車内通話装置
JPH07176178A (ja) * 1993-12-20 1995-07-14 Alpine Electron Inc 車載用オーディオ装置
JP2005217807A (ja) * 2004-01-30 2005-08-11 Citizen Watch Co Ltd 車載用スピーカーシステム
JP2010023639A (ja) * 2008-07-18 2010-02-04 Kenwood Corp 車内会話補助装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02312349A (ja) * 1989-05-26 1990-12-27 Fujitsu Ten Ltd 車内通話装置
JPH07176178A (ja) * 1993-12-20 1995-07-14 Alpine Electron Inc 車載用オーディオ装置
JP2005217807A (ja) * 2004-01-30 2005-08-11 Citizen Watch Co Ltd 車載用スピーカーシステム
JP2010023639A (ja) * 2008-07-18 2010-02-04 Kenwood Corp 車内会話補助装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114598962A (zh) * 2020-12-07 2022-06-07 湾流航空航天公司 飞机上确定位置并操控换能器波束至该位置的麦克风阵列
CN114255753A (zh) * 2021-12-21 2022-03-29 北京地平线机器人技术研发有限公司 语音交互指令处理方法、装置及计算机可读存储介质
WO2024078435A1 (fr) * 2022-10-09 2024-04-18 蔚来汽车科技(安徽)有限公司 Procédé de commutation dynamique de zones vocales, procédé d'interaction vocale, dispositif, support et véhicule

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