WO2014193056A1 - Appareil et procédé pour commander le volume sonore d'un guide diffusé dans un passage pour piétons - Google Patents

Appareil et procédé pour commander le volume sonore d'un guide diffusé dans un passage pour piétons Download PDF

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Publication number
WO2014193056A1
WO2014193056A1 PCT/KR2013/010070 KR2013010070W WO2014193056A1 WO 2014193056 A1 WO2014193056 A1 WO 2014193056A1 KR 2013010070 W KR2013010070 W KR 2013010070W WO 2014193056 A1 WO2014193056 A1 WO 2014193056A1
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WO
WIPO (PCT)
Prior art keywords
pedestrian
volume
signal
broadcast
crosswalk
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Application number
PCT/KR2013/010070
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English (en)
Korean (ko)
Inventor
박태원
송영도
임철규
Original Assignee
주식회사 토페스
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Filing date
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Application filed by 주식회사 토페스 filed Critical 주식회사 토페스
Publication of WO2014193056A1 publication Critical patent/WO2014193056A1/fr

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals

Definitions

  • the present invention relates to an apparatus and method for controlling the volume of announcements in a pedestrian crossing, and more particularly, to an announcement broadcasting volume in a pedestrian crossing that adjusts the volume of announcements according to the volumes of pedestrians and ambient noise waiting for a signal in a pedestrian crossing.
  • a control apparatus and method are provided.
  • Pedestrian crossings are drawn on the driveways.
  • the traffic signal system is installed with a pedestrian traffic light facing the crosswalk and controls the flow of pedestrians, and a traffic light and a traffic signal controller for controlling the flow of the vehicle are installed at the top of the lane.
  • the traffic signal controller repeatedly turns on the pedestrian traffic light in consideration of the time required for the crossing of the pedestrian controlling the vehicle traffic light and the pedestrian traffic light.
  • the conventional broadcasting system always provides a guide broadcast at a constant volume regardless of the number of pedestrians waiting for the crossing at day and night and at crosswalks.
  • the announcement is unnecessarily output, and there is a problem that the pedestrian cannot accurately listen to the announcement during the daytime due to ambient noise.
  • the present invention has been made to improve the above problems, and an object of the present invention is to control the volume of the guidance broadcast volume in the pedestrian crossing to adjust the volume of the announcement according to the volume of the pedestrian waiting for the signal in the crosswalk and the ambient noise And providing a method.
  • Another object of the present invention is to reduce the rejection of the pedestrian guidance by outputting a guide broadcast of the appropriate volume according to the number of pedestrians, the density distribution of the pedestrians and the volume of the ambient noise.
  • Another object of the present invention is to prevent traffic accidents in pedestrian crossing in advance, and in particular, to accurately deliver announcements to visually impaired children or children to reduce the traffic accident rate at pedestrian crossings.
  • an apparatus for controlling announcement broadcasting volume in a crosswalk includes: a pedestrian information detector configured to detect pedestrian information on a pedestrian waiting for a signal in a pedestrian crossing; A volume measuring unit measuring a volume of noise around the crosswalk; A guide broadcast output unit configured to output a guide broadcast to pedestrians; And determine the volume of the announcement broadcast according to the volume of the pedestrian information extracted by the pedestrian information detection unit and the ambient noise measured by the volume measurement unit, and the guidance broadcast output unit is configured to output the announcement by the determined volume of the announcement broadcast. It characterized in that it comprises a broadcast volume determination unit for outputting.
  • the pedestrian information detector comprises: a pedestrian number detector for detecting the number of pedestrians entering the preset detection area in the image photographed by the photographing unit; And a density distribution calculator for calculating a density distribution diagram of pedestrians in the detection area using the number of pedestrians detected by the pedestrian number detector.
  • the present invention further includes a pedestrian signal detector for detecting a pedestrian signal of the pedestrian crossing, wherein the broadcast volume determiner performs the guide broadcast through the guide broadcast output unit if the pedestrian signal detected by the pedestrian signal detector is a stop signal. It is characterized by outputting.
  • the walking signal detector is characterized in that for detecting a controller signal for controlling a traffic light from the traffic signal controller.
  • the pedestrian signal detector is characterized in that for detecting the current applied to the traffic light from the traffic signal controller.
  • the pedestrian signal detection unit is characterized in that for detecting the lighting state of the traffic light photographed by the imaging unit.
  • a guide broadcasting volume control method in a crosswalk comprising: detecting pedestrian information on a pedestrian waiting for a signal at a pedestrian crossing; Measuring a volume of noise around the crosswalk; Determining a volume of a guide broadcast according to the volume of the pedestrian information and the ambient noise; And outputting the guide broadcast at the determined volume of the guide broadcast.
  • the detecting of the pedestrian information may include: detecting the number of pedestrians entering the predetermined detection area in the image by photographing the crosswalk; And calculating a dense distribution diagram of the pedestrians in the detection area using the number of pedestrians.
  • the present invention may further include detecting a pedestrian signal of the crosswalk, and if the detected pedestrian signal is a stop signal, outputting the guide broadcast.
  • the step of detecting the pedestrian signal of the crosswalk is characterized in that for detecting the controller signal for controlling the crosswalk traffic light from the traffic signal controller.
  • the step of detecting the pedestrian signal of the crosswalk is characterized in that for detecting the current applied to the traffic light from the traffic signal controller.
  • the detecting of the pedestrian signal of the crosswalk may include detecting a lighting state of the traffic light in the captured image.
  • the present invention adjusts and outputs the volume of the guide broadcast according to the volume of the pedestrian waiting for the signal at the crosswalk and the ambient noise.
  • the present invention outputs the guidance broadcast of the appropriate volume according to the number of pedestrians, the density distribution of the pedestrians and the volume of the ambient noise to guide the pedestrians walking in the crosswalk, and output the guidance broadcast at the appropriate volume for the announcement of the pedestrians Reduces rejection
  • the present invention prevents traffic accidents in pedestrian crossings in advance, and in particular, accurately delivers the announcement to visually impaired children or children, thereby reducing the traffic accident rate in pedestrian crossings.
  • FIG. 1 is a block diagram of an apparatus for controlling announcement volume in a crosswalk according to a first embodiment of the present invention.
  • FIG 2 is an exemplary view showing a detection area in a captured image according to the first embodiment of the present invention.
  • FIG. 3 is a flowchart of a method of controlling announcement volume in a crosswalk according to a first embodiment of the present invention.
  • FIG. 4 is a block diagram of an apparatus for controlling announcement volume in a pedestrian crossing according to a second embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for controlling announcement volume in a crosswalk according to a second embodiment of the present invention.
  • FIG. 1 is a block diagram of an apparatus for controlling announcement volume in a crosswalk according to a first embodiment of the present invention
  • FIG. 2 is an exemplary view showing a detection area in a captured image according to the first embodiment of the present invention.
  • the guidance broadcast volume control apparatus 10 in a crosswalk includes a pedestrian signal detector 11, a pedestrian information detector 12, a volume measurer 13, and a broadcaster. And a volume determination unit 14 and a guide broadcast output unit 15.
  • the pedestrian signal detector 11 detects a pedestrian signal.
  • the pedestrian signal is a visual electrical signal that guides the pedestrian 52 whether the pedestrian 52 should cross the crosswalk 54 or wait.
  • the pedestrian signal may include a red and green light flickering of the traffic light, a control signal of the traffic signal controller 100 and a power applied to the traffic light from the traffic signal controller 100 to blink the traffic light.
  • the pedestrian signal detector 11 may employ all the various devices capable of detecting each pedestrian signal for each pedestrian signal.
  • the pedestrian signal detector 11 when detecting the pedestrian signal based on whether the red light and the green light of the traffic light are blinking, the pedestrian signal detector 11 is displayed in the image captured by the photographing unit 200 as shown in FIG. 2. In the traffic light region 53, it is identified whether the red light and the green light are blinking.
  • the pedestrian signal detector 11 When detecting a pedestrian signal based on the control signal of the traffic signal controller 100, the pedestrian signal detector 11 detects a control signal for controlling the traffic light by the traffic signal controller 100.
  • the pedestrian signal detection unit 11 When detecting the pedestrian signal based on the power applied to the traffic light from the traffic signal controller 100, the pedestrian signal detection unit 11 is applied to flash the red light and the green light of the traffic light from the traffic signal controller 100. Sense current.
  • the pedestrian signal detection unit 11 of the current applied to the traffic light from the traffic signal controller 100 in order to flash the red light and green light of the traffic light, the control signal and the traffic light of the traffic signal controller 100 Detecting any one to detect a pedestrian signal has been described as an example.
  • the technical scope of the present invention is not limited thereto, and includes all various devices capable of detecting a pedestrian signal.
  • the pedestrian information detector 12 detects pedestrian information.
  • the pedestrian information detector 12 includes a pedestrian number detector 121 and a density distribution calculator 122.
  • the pedestrian number detector 121 detects the number of pedestrians waiting for a signal in the crosswalk 54.
  • the pedestrian number detector 121 sets the detection area 51 in the image 50 captured by the photographing unit 200, and detects the pedestrian 52 in the set detection area 51.
  • FIG 2 illustrates an example of the detection area 51 in the image 50 captured by the photographing unit 200.
  • the detection area 51 is set to an area in which the pedestrian 52 waiting for a signal in the crosswalk 54 of the image 50 normally waits.
  • the pedestrian number detector 121 counts the pedestrians 52 in the detection area 51 in the image and detects the number of pedestrians.
  • the pedestrian number detector 121 captures the image 50 captured by the photographing unit 200, stores the background image 50 of the detection area 51 in advance, and moves to enter the detection area 51.
  • the contour of the pedestrian 52 is extracted based on the pixel change according to the detection, and the number of pedestrians in the detection area 51 is detected based on the contour.
  • the density distribution calculator 122 calculates a density distribution diagram of the pedestrian 52 in the detection area 51.
  • the density distribution calculator 122 calculates the number of pedestrians in the detection area 51 detected by the pedestrian number detector 121 by dividing the actual area of the detection area 51. Therefore, the dense distribution calculation unit 122 appears as the number of pedestrians per unit area.
  • the volume measuring unit 13 measures the volume of ambient noise generated around the crosswalk.
  • the broadcast volume determination unit 14 sends a signal to the pedestrian information detector 12.
  • the volume of the announcement broadcast is determined using the pedestrian information detected by the number of pedestrians and the density distribution of the pedestrian 52 and the volume of the ambient noise of the crosswalk measured by the volume measuring unit 13.
  • the broadcast volume determination unit 14 may variously determine the volume of the guide broadcast according to the number of pedestrians, the density distribution diagram, and the volume of the ambient noise.
  • the broadcast volume determiner 14 increases or decreases the volume of the announcement broadcast based on the reference volume by reflecting the number of pedestrians, the density distribution diagram, and the ambient noise in the preset reference volume, or the number of pedestrians, the density distribution map, and the like.
  • the volume of the announcement is determined by extracting the volume of the announcement from a preset lookup table according to the volume of ambient noise.
  • the broadcast volume determination unit 14 sets the volume of the guide broadcast to '0' so that the broadcast volume is not output, regardless of the volume of ambient noise.
  • the volume of the announcement is determined appropriately according to the density distribution of the and the volume of the ambient noise.
  • the guide broadcast output unit 15 outputs a guide broadcast currently output at the volume of the guide broadcast determined by the broadcast volume determination unit 14.
  • the detection of the traffic light state and the pedestrian information by using the image 50 captured by one photographing unit 200 has been described as an example.
  • the technical scope of the present invention is not limited thereto, and the imaging unit for detecting the traffic light state and the imaging unit for detecting pedestrian information may be separately provided.
  • the photographing unit 200 may use the photographing unit 200 installed in the existing pedestrian crossing 54 or a traffic signal system (not shown).
  • the image 50 illustrated in FIG. 2 is an example of extracting a traffic light state and pedestrian information from an image 50 captured by one photographing unit 200.
  • FIG 3 is a flowchart of a method for controlling announcement volume in a crosswalk 54 according to the first embodiment of the present invention.
  • the photographing unit 200 captures an image 50 (S100), and the pedestrian signal detector 11 detects a pedestrian signal (S102).
  • the pedestrian signal detector 11 extracts the traffic light region 53 from the image 50 captured by the photographing unit 200, and determines whether the red light or the green light is detected in the extracted traffic light region 53. Detect.
  • the pedestrian signal detector 11 may detect a pedestrian signal by detecting a control signal of the traffic signal controller 100 or a current applied to a traffic light from the traffic signal controller 100 according to a method of detecting a pedestrian signal. have.
  • the broadcast volume determination unit 14 determines whether the pedestrian signal is a stop signal (S104).
  • the broadcast volume determination unit 14 returns to step S100 of capturing the image 50.
  • the broadcast volume determination unit 14 extracts the pedestrian information through the pedestrian information detector 12.
  • the pedestrian number detector 121 detects the number of pedestrians in the detection area 51 of the image 50 captured by the photographing unit 200 (S106), and the density distribution calculator 122 determines the pedestrian number detector 121.
  • the density distribution diagram of the pedestrians 52 in the detection area 51 is calculated using the number of pedestrians detected in step S108.
  • the volume measuring unit 13 measures the volume of the noise around the crosswalk (S110).
  • the broadcast volume determination unit 14 guides according to the number of pedestrians in the detection area 51 input from the pedestrian information detector 12, the density distribution diagram of the pedestrians 52, and the volume of ambient noise input from the volume measuring unit 13. The volume of the broadcast is determined (S112).
  • the announcement broadcast output unit 15 outputs the currently output guidance announcement at the volume determined by the broadcast volume determination unit 14 (S114).
  • the guide broadcasting volume control device at the crosswalk is installed in the crosswalk to determine the volume of the guide broadcast according to the volume of the pedestrian information and the ambient noise.
  • the main server 30 it is also possible for the main server 30 to determine the volume of the announcement broadcast. This is explained in the second embodiment.
  • FIG. 4 is a block diagram of an apparatus for controlling announcement volume in a pedestrian crossing according to a second embodiment of the present invention.
  • the guidance broadcast volume control apparatus 40 in the crosswalk according to the second embodiment of the present invention includes a broadcast module 20 and a main server 30.
  • the broadcast module 20 includes a pedestrian signal detector 21, a pedestrian information detector 22, a volume measurer 23, a controller 24, a guide broadcast output unit 25, and a communication unit 26.
  • a plurality of such broadcast modules 20 may be installed according to the pedestrian crossing 54. In the present embodiment, two broadcast modules 20 will be described.
  • the pedestrian signal detector 21, the pedestrian information detector 22, the volume measuring unit 23, and the guide broadcast output unit 25 are the same as those of the first embodiment, detailed description thereof will be omitted.
  • the communication unit 26 transmits and receives various types of information with the main server 30 through a communication network.
  • the wireless network supports a second generation based on CDMA (Code Division Multiple Access), a third generation based on Wideband Code Division Multiple Access (WCDMA), and a fourth generation or more generation based on Long Term Evolution (LTE) / WiBro.
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • WiBro Wi-Fi
  • the controller 24 determines the identification information set in the corresponding broadcasting module 20, the pedestrian information detected by the pedestrian information detector 22, and the volume measurer 23. The volume of the ambient noise measured in the transfer to the main server 30 through the communication unit 26.
  • the controller 24 inputs the volume of the announcement broadcast to the announcement broadcast output unit 25.
  • the guide broadcast output unit 25 outputs the guide broadcast according to the volume of the guide broadcast determined by the main server 30.
  • the main server 30 receives the volume of the identification information, the pedestrian information, and the ambient noise from each broadcasting module 20 to determine the volume of the guide broadcast for each broadcasting module 20, and according to the identification information corresponding broadcast module ( 20) to transmit the volume of the announcement.
  • the main server 30 includes a communication module 31 and a broadcast volume determination module 32.
  • the communication module 31 receives the volume of pedestrian information and ambient noise from the broadcasting module 20 through the communication network, inputs the volume to the broadcasting volume determining module 32, and receives the volume of the guide broadcast determined by the broadcasting volume determining module 32.
  • the transmission is transmitted to the broadcasting module 20 through a communication network.
  • the broadcast volume determining module 32 determines the volume of the guide broadcast using the pedestrian information received from the communication module 31 and the volume of the ambient noise, and transmits the determined volume of the guide broadcast through the communication module 31 through the broadcast module ( 20).
  • FIG. 5 is a flowchart of a method for controlling announcement volume in a crosswalk according to a second embodiment of the present invention.
  • the photographing unit 200 captures an image 50 (S200), and the pedestrian signal detector 21 detects a pedestrian signal (S202).
  • the pedestrian signal detector 11 extracts the traffic light region 53 from the image 50 captured by the photographing unit 200, and determines whether the red light or the green light is detected in the extracted traffic light region 53. Detect.
  • the pedestrian signal detector 11 may detect a pedestrian signal by detecting a control signal of the traffic signal controller 100 or a current applied to a traffic light from the traffic signal controller 100 according to a method of detecting a pedestrian signal. have.
  • the controller 24 determines whether the pedestrian signal is a stop signal (S204).
  • the controller 24 returns to the step S200 of capturing the image 50.
  • the controller 24 detects pedestrian information through the pedestrian information detector 22.
  • the pedestrian number detector 221 detects the number of pedestrians in the detection area 51 of the image 50 captured by the photographing unit 200 (S206), and the dense distribution detector 222 detects the number of pedestrians 221.
  • the density distribution diagram of the pedestrians 52 in the detection area 51 is calculated using the number of pedestrians detected in step S208.
  • the volume measuring unit 23 measures the volume of the ambient noise (S210).
  • the controller 24 displays the identification information of the corresponding broadcasting module 20, the number of pedestrians detected by the pedestrian information detector 22, the density distribution diagram of the pedestrians 52, and the volume of ambient noise through the main server 26. Transfer to 30 (S212).
  • the communication module 31 receives the identification information, the number of pedestrians, the dense distribution diagram, and the ambient noise of the corresponding broadcasting module 20 from the communication unit 26 through the communication network and inputs the volume to the broadcasting volume determination module 32.
  • the broadcast volume determination module 32 determines the volume of the guide broadcast according to the number of pedestrians, the density distribution diagram, and the volume of the ambient noise (S214).
  • the communication module 31 transmits the volume of the guide broadcast determined by the broadcast volume determination module 32 to the corresponding broadcast module 20 according to the identification information (S216).
  • the communication unit 26 inputs the volume of the announcement broadcast received from the communication module 31 through the communication network to the controller 24, and the controller 24 inputs the volume of the announcement broadcast to the announcement broadcast output unit 25. .
  • the guide broadcast output unit 25 outputs the volume of the guide broadcast according to the volume of the guide broadcast received from the controller 24 (S218).
  • the present invention configured as described above adjusts and outputs the volume of the guide broadcast according to the volume of the pedestrian and ambient noise waiting for the signal in the crosswalk 54.
  • the present invention outputs a guide broadcast at an appropriate volume in accordance with the number of pedestrians, dense distribution map and the ambient noise to guide the pedestrians walking in the crosswalk, reducing the rejection of the pedestrian guide broadcast.
  • the present invention outputs a guide broadcast to prevent traffic accidents in pedestrian crossing in advance, and in particular, in the pedestrian crossing 54 to accurately deliver the guide broadcast to the visually impaired or children, to reduce the traffic accident rate at the crosswalk .

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  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention comprend : une unité de détection d'informations de piéton destinée à détecter des informations de piéton concernant un piéton qui attend un signal de circulation dans un passage pour piétons ; une unité de mesure de volume sonore destinée à mesurer un volume sonore du bruit au voisinage du passage pour piétons ; une unité de sortie de diffusion de guide permettant de diffuser un guide destiné au piéton ; et une unité de détermination de volume sonore de diffusion destinée à déterminer un volume sonore du guide diffusé sur la base des informations de piéton extraites par l'unité de détection d'informations de piéton, et du volume sonore du bruit au voisinage du passage pour piétons, qui est mesuré par l'unité de mesure de volume sonore, et à faire en sorte que l'unité de diffusion de guide fournisse en sortie le guide diffusé au volume sonore déterminé.
PCT/KR2013/010070 2013-05-31 2013-11-07 Appareil et procédé pour commander le volume sonore d'un guide diffusé dans un passage pour piétons WO2014193056A1 (fr)

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KR10-2013-0062282 2013-05-31
KR1020130062282A KR101477780B1 (ko) 2013-05-31 2013-05-31 횡단보도에서의 안내 방송 음량 제어 장치 및 방법

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114630238A (zh) * 2022-03-15 2022-06-14 广州康盛网络科技有限公司 舞台音箱音量控制方法、装置、电子设备及介质

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101683012B1 (ko) * 2016-06-15 2016-12-08 (주)세이프업 음성 안내를 이용한 횡단보도 보행자 안전 시스템 및 그 방법
CN109816973A (zh) * 2018-01-24 2019-05-28 杭州商警云智能科技有限公司 一种斑马线行人过街交通信号灯感应装置
KR102241980B1 (ko) 2021-01-11 2021-04-19 주식회사 황금휘날레 Rfid시스템
KR102244152B1 (ko) 2021-01-11 2021-04-23 주식회사 황금휘날레 스마트ai신호등시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005301898A (ja) * 2004-04-15 2005-10-27 Denso Corp 情報提供システム
US20060028357A1 (en) * 2004-08-05 2006-02-09 Beckwith Leslie A 2-Wire push button station control system for a traffic light controlled intersection
JP2007087092A (ja) * 2005-09-22 2007-04-05 Selco Kk 道路横断支援装置
KR20100001032A (ko) * 2008-06-26 2010-01-06 (주)무등종합개발 보행신호 음성안내장치
JP2012113585A (ja) * 2010-11-26 2012-06-14 Kyosan Electric Mfg Co Ltd 交通信号機用音響装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005301898A (ja) * 2004-04-15 2005-10-27 Denso Corp 情報提供システム
US20060028357A1 (en) * 2004-08-05 2006-02-09 Beckwith Leslie A 2-Wire push button station control system for a traffic light controlled intersection
JP2007087092A (ja) * 2005-09-22 2007-04-05 Selco Kk 道路横断支援装置
KR20100001032A (ko) * 2008-06-26 2010-01-06 (주)무등종합개발 보행신호 음성안내장치
JP2012113585A (ja) * 2010-11-26 2012-06-14 Kyosan Electric Mfg Co Ltd 交通信号機用音響装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114630238A (zh) * 2022-03-15 2022-06-14 广州康盛网络科技有限公司 舞台音箱音量控制方法、装置、电子设备及介质
CN114630238B (zh) * 2022-03-15 2024-05-17 广州宏牌音响有限公司 舞台音箱音量控制方法、装置、电子设备及介质

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