WO2015018253A1 - Intelligent control and alarm wireless vehicle audio device - Google Patents

Intelligent control and alarm wireless vehicle audio device Download PDF

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Publication number
WO2015018253A1
WO2015018253A1 PCT/CN2014/081752 CN2014081752W WO2015018253A1 WO 2015018253 A1 WO2015018253 A1 WO 2015018253A1 CN 2014081752 W CN2014081752 W CN 2014081752W WO 2015018253 A1 WO2015018253 A1 WO 2015018253A1
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module
voice
image
information
recognition module
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PCT/CN2014/081752
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French (fr)
Chinese (zh)
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袁志贤
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Yuan Zhi’Xian
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Publication of WO2015018253A1 publication Critical patent/WO2015018253A1/en

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/26Speech to text systems

Definitions

  • the utility model relates to a car audio, in particular to a wireless car audio device with intelligent control and alarm.
  • the technical problem to be solved by the present invention is to provide a separate control for the driver, other personnel cannot control at will, and the driver does not need to manually select, and only needs to issue a voice command to control Intelligent car handling and alarm for wireless car audio equipment.
  • a wireless car audio device with intelligent control and alarm which is characterized in that it comprises a voice receiving module, a voice recognition module, an image capturing module, an image recognition module
  • the music alarm module further includes a central processing module, an information storage module, a display module and an audio playing unit, wherein the voice receiving module is connected to the voice recognition module, and the voice recognition module is connected to the music alarm module, and the image capturing module and the image recognition The module is connected, and the image recognition module is also connected to the music alarm module, the music alarm module is connected to the central processing module, and the information storage module, the display module and the audio playback unit are respectively connected to the central processing module, the respective modules and the sound
  • the information transmission between the playing units is realized by means of wireless connection transmission;
  • the voice receiving module further includes a microphone disposed on the steering wheel in front of the driver for receiving a voice signal, the microphone transmitting the voice to the voice recognition module in a wireless manner, and the voice recognition module transmitting the voice information and the pre-recorded driving The member voice information is compared and recognized, and the recognition result and the voice command are transmitted to the music alarm module;
  • the image capturing module includes a camera, the camera is disposed on a steering wheel in front of the driver for capturing an image signal, and the camera wirelessly transmits the image to the image recognition module, and the image recognition module will recognize the image information and the Entered driving
  • the avatar information is compared and transmitted to the music alarm module; the music alarm module receives and compares information from the voice recognition module and the image recognition module, and if it matches the pre-recorded sound and image information, It is passed to the central processing module for next control, and if not, the music alarm message is sent to the user and the voice command is rejected.
  • the utility model adopts intelligent control of voice recognition and image recognition, and is guaranteed to be separately controlled by the driver, other personnel cannot control at will, and the driver does not need to manually select, only need to issue
  • the voice command can be controlled, easy to use, and secure during driving.
  • Figure 1 is a schematic block diagram of the structure of the present invention.
  • the wireless car audio device of the intelligent control and alarm of the utility model has a voice recognition module comprising: a voice recognition module for a specific person.
  • a voice recognition module for a specific person the user needs to train each term in advance.
  • each term of the user is said to be repeated several times, and the speech recognition module extracts the feature quantity of the term, and stores the feature quantity into the storage module in sequence.
  • the speech recognition module compares the feature quantity of the input term with the similarity degree of each feature quantity stored in the information storage module, and outputs the term with the similarity greater than the predetermined value as the recognition result.
  • the number of entries recognized by a specific person's recognition unit is generally less than 1000, and the recognition performance will decrease significantly as the number of entries increases, and for different users, in different noise environments, and different Under different physiological and psychological states of the same user, the performance of the system will be significantly affected.
  • the intelligent car audio device of the intelligent control and alarm of the present invention comprises a voice receiving module 11 , a voice recognition module 12 , an image capturing module 21 , an image recognition module 22 , a music alarm module 35 , and a central unit.
  • the music alarm module 35 is connected to the central processing module 13, and the information storage module 14, the display module 15 and the audio playback unit 16 respectively
  • the central processing module 13 is connected, and the information transmission between each of the above modules and the audio playback unit 16 is implemented by means of wireless connection transmission;
  • the voice receiving module 11 further includes a microphone disposed on the steering wheel in front of the driver for receiving a voice signal, and the microphone transmits the voice to the voice recognition module 12 in a wireless manner, and the voice recognition module 12 transmits the voice information and the voice
  • the entered driver sound information is compared and recognized, and the recognition result and the voice command are transmitted to the music alarm module 35;
  • the image capturing module 21 includes a camera, the camera is disposed on a steering wheel in front of the driver for capturing an image signal, and the camera wirelessly transmits the image to the image recognition module 22, and the image recognition module 22 will recognize the image.
  • the information is compared with the pre-recorded driver avatar information and the recognition result is transmitted to the music alarm.
  • the music alarm module 35 receives and compares the information from the voice recognition module 12 and the image recognition module 22, and if it matches the pre-recorded sound and image information, passes it to the central processing module 13 for next control, if not The match sends a music alert message to the user and rejects the voice command.
  • the voice receiving module 11 is configured to receive a voice command of the user
  • the voice recognition module 12 is configured to identify voice command information of the target user
  • the image capturing module 21 is configured to capture a head image of the user
  • the image recognition module 22 is configured to: Receiving the avatar information of the user and comparing the avatar information with the pre-recorded avatar information to determine whether it is a real "owner”
  • the music alarm module 35 is configured to receive the information and then pass the selection or the music alarm
  • the central processing module 13 is configured to perform Function control and data processing
  • the information storage module 14 is for storing related information
  • the display module 15 is for displaying the played information.
  • the user In use, the user only needs to say the name of the play that he wants, and the voice receiving module 11 receives the voice information of the user, and transmits the voice information signal to the voice recognition module 12 and the music alarm module 35.
  • the music alarm module 35 processes the received information from the image capturing module 21 and the image recognition module 22, and after identifying it as its true "owner", transmits it to the central processing module 13, which controls the storage.
  • the information of the module 14 is extracted, the display of the display module 15 and the audio playback unit 16 are played.

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

An intelligent control and alarm wireless vehicle audio device, which comprises a voice receiver module (11), a voice recognition module (12), an image capturing module (21), an image recognition module (22), and a music alarm module (35), also comprises a central processing module (13), an information storage module (14), a display module (15), and an audio playback unit (16). The voice receiver module (11) is connected to the voice recognition module (12). The voice recognition module (12) is connected to the music alarm module (35). While at the same time, the image capturing module (21) is connected to the image recognition module (22). The image recognition module (22) also is connected to the music alarm module (35). The music alarm module (35) is connected to the central processing module (13). Also, the information storage module (14), the display module (15), and the audio playback unit (16) respectively are connected to the central processing module (13). By employing voice recognition and image recognition for intelligent control, a driver only needs to issue a voice command to exert control, use is convenient, and at the same time, safety during driving is ensured.

Description

智能操控及报警的无线汽车音响设备 技术领域  Wireless car audio equipment with intelligent control and alarm
本实用新型涉及一种汽车音响, 特别是一种智能操控及报警的无 线汽车音响设备。  The utility model relates to a car audio, in particular to a wireless car audio device with intelligent control and alarm.
Body
如今的生活中, 汽车已经成为人们重要的交通工具, 甚至超出了 代歩工具的概念。于是, 汽车中的各种附加的功能也随之成为人们关 注的热点。在驾驶的时候同时享受音乐的乐趣是大家都喜欢的驾驶状 态,于是车载的卡带式音响,车载 CD播放器,车载 VCD/DVD播放器, 车载 MP3播放器都应运而生了, 大大丰富了人们在驾驶时候的乐趣。 但是这些音乐的播放装置都存在一个显著的问题就是其歌曲选择和 播放的状态需要人们用手进行调节和控制,这对于驾驶人员是很大的 安全隐患, 而且当要播放的音乐越来越多的时候, 要选择喜欢的音乐 播放就需要不断去调节, 例如, 音乐的播放清单里有 1000首音乐, 驾驶员听完第三首以后想听第三百首的话,这个调节的工作量是难以 想象的, 也是难以忍受的。而且除了驾驶员以外, 目前很多乘客也可 以手动去控制音乐的选择,驾驶途中如果驾驶员旁边以及身后的人手 动去控制音乐选择, 对驾驶的安全性产生威胁, 而且会影响到驾驶员 的情绪。所以市场需要一种单独供驾驶员控制, 其他人员不能随意控 制, 而且驾驶员不需要手动选择, 只需要发出声音命令即可操控的汽 车音响。 实用新型内容 In today's life, cars have become an important means of transportation for people, even beyond the concept of the tools of generation. As a result, various additional functions in the car have also become a hot spot of concern. While enjoying the music while driving, it is the driving state that everyone likes, so the car-mounted cassette audio, car CD player, car VCD/DVD player, car MP3 player came into being, greatly enriched People have fun while driving. However, there is a significant problem with the playback devices of these music. The state of song selection and playback requires people to adjust and control by hand, which is a great security risk for the driver, and more and more music to be played. When you want to choose the music you like, you need to constantly adjust it. For example, there are 1000 music in the music playlist. If the driver wants to listen to the third hundred after listening to the third song, the workload of this adjustment is difficult. Imagined, it is also unbearable. In addition to the driver, many passengers can also manually control the choice of music. If the driver is next to the driver and the person behind him manually controls the music selection, it will threaten the safety of the driver and affect the driver's mood. . Therefore, the market needs a car stereo that can be controlled by the driver alone, other people can't control it at will, and the driver does not need to manually select it. Utility model content
为了解决现有技术中存在的缺陷,本实用新型需要解决的技术问 题是提供一种单独供驾驶员控制, 其他人员不能随意控制, 而且驾驶 员不需要手动选择,只需要发出声音命令即可操控的智能操控及报警 的无线汽车音响设备。  In order to solve the defects existing in the prior art, the technical problem to be solved by the present invention is to provide a separate control for the driver, other personnel cannot control at will, and the driver does not need to manually select, and only needs to issue a voice command to control Intelligent car handling and alarm for wireless car audio equipment.
本实用新型解决现有的技术问题所采用的技术方案是:一种智能 操控及报警的无线汽车音响设备,其特征在于,其包括语音接收模块, 语音识别模块, 图像摄取模块, 图像识别模块, 音乐报警模块, 还包 括中央处理模块, 信息存储模块, 显示模块以及音响播放单元, 其中 该语音接收模块与语音识别模块相连,该语音识别模块与该音乐报警 模块相连, 同时图像摄取模块和图像识别模块相连, 而图像识别模块 也与音乐报警模块相连, 所述音乐报警模块和中央处理模块相连, 并 且该信息存储模块,显示模块以及音响播放单元分别与该中央处理模 块相连,上述各个模块以及音响播放单元间的信息传输采用无线连接 传输的方式实现;  The technical solution adopted by the utility model to solve the prior art problem is: a wireless car audio device with intelligent control and alarm, which is characterized in that it comprises a voice receiving module, a voice recognition module, an image capturing module, an image recognition module, The music alarm module further includes a central processing module, an information storage module, a display module and an audio playing unit, wherein the voice receiving module is connected to the voice recognition module, and the voice recognition module is connected to the music alarm module, and the image capturing module and the image recognition The module is connected, and the image recognition module is also connected to the music alarm module, the music alarm module is connected to the central processing module, and the information storage module, the display module and the audio playback unit are respectively connected to the central processing module, the respective modules and the sound The information transmission between the playing units is realized by means of wireless connection transmission;
语音接收模块进一歩包括麦克风,所述麦克风设置于驾驶员前面 的方向盘上, 用于接收语音信号, 该麦克风采用无线方式将声音传输 给语音识别模块,语音识别模块将声音信息和预先录入的驾驶员声音 信息进行比对识别并将识别结果和声音命令传给音乐报警模块;  The voice receiving module further includes a microphone disposed on the steering wheel in front of the driver for receiving a voice signal, the microphone transmitting the voice to the voice recognition module in a wireless manner, and the voice recognition module transmitting the voice information and the pre-recorded driving The member voice information is compared and recognized, and the recognition result and the voice command are transmitted to the music alarm module;
所述的图像摄取模块包括摄像头,所述摄像头设置于驾驶员前面 的方向盘上, 用于摄取图像信号, 该摄像头采用无线方式将图像传输 给图像识别模块,图像识别模块将识别的图像信息和预先录入的驾驶 员头像信息进行比对识别并将识别结果传输给音乐报警模块; 所述音乐报警模块接收来自于语音识别模块和图像识别模块的 信息并比对,如符合预先录入的声音和图像信息则将其传给中央处理 模块进行下一歩控制,如反之不符合则向使用者发出音乐报警信息并 拒绝其声音命令。 The image capturing module includes a camera, the camera is disposed on a steering wheel in front of the driver for capturing an image signal, and the camera wirelessly transmits the image to the image recognition module, and the image recognition module will recognize the image information and the Entered driving The avatar information is compared and transmitted to the music alarm module; the music alarm module receives and compares information from the voice recognition module and the image recognition module, and if it matches the pre-recorded sound and image information, It is passed to the central processing module for next control, and if not, the music alarm message is sent to the user and the voice command is rejected.
根据以上的结构, 本实用新型相对于现有技术, 本实用新型采用 语音识别和图像识别智能控制, 保证单独供驾驶员控制, 其他人员不 能随意控制, 而且驾驶员不需要手动选择, 只需要发出声音命令即可 操控, 使用方便, 同时保障了驾驶过程中的安全。  According to the above structure, compared with the prior art, the utility model adopts intelligent control of voice recognition and image recognition, and is guaranteed to be separately controlled by the driver, other personnel cannot control at will, and the driver does not need to manually select, only need to issue The voice command can be controlled, easy to use, and secure during driving.
附图说明 DRAWINGS
图 1本实用新型的结构示意框图。  Figure 1 is a schematic block diagram of the structure of the present invention.
具体实施方式 detailed description
下面结合具体实施方式和附图说明对本实用新型进一歩描述。 本实用新型的智能操控及报警的无线汽车音响设备,其语音识别 模块包括: 针对特定人的语音识别模块。在针对特定人的语音识别模 块中, 用户需要事先对每一个词条进行训练。在训练阶段, 用户每个 词条依次说数遍, 语音识别模块提取词条的特征量, 并将特征量按序 列存入存储模块中。在识别阶段, 语音识别模块将输入词条的特征量 依次与信息存储模块中存储的每一个特征量进行相似度比较,将相似 度大于预定值的词条作为识别结果输出。针对特定人的识别单元识别 的词条数目一般在 1000条以下, 识别性能随着词条数目的增加会有 明显的下降, 并且对于不同用户、在不同的噪声环境中, 以及不同的 时间相同用户的不同生理、心理状态下, 系统的性能都会受到明显的 影响。 The present invention will be further described below in conjunction with the specific embodiments and the accompanying drawings. The wireless car audio device of the intelligent control and alarm of the utility model has a voice recognition module comprising: a voice recognition module for a specific person. In a speech recognition module for a specific person, the user needs to train each term in advance. In the training phase, each term of the user is said to be repeated several times, and the speech recognition module extracts the feature quantity of the term, and stores the feature quantity into the storage module in sequence. In the recognition stage, the speech recognition module compares the feature quantity of the input term with the similarity degree of each feature quantity stored in the information storage module, and outputs the term with the similarity greater than the predetermined value as the recognition result. The number of entries recognized by a specific person's recognition unit is generally less than 1000, and the recognition performance will decrease significantly as the number of entries increases, and for different users, in different noise environments, and different Under different physiological and psychological states of the same user, the performance of the system will be significantly affected.
如图 1所示,本实用新型的智能操控及报警的无线汽车音响设备, 其包括语音接收模块 11, 语音识别模块 12, 图像摄取模块 21, 图像 识别模块 22, 音乐报警模块 35, 还包括中央处理模块 13, 信息存储 模块 14, 显示模块 15 以及音响播放单元 16, 其中该语音接收模块 11与语音识别模块 12相连, 该语音识别模块 12与该音乐报警模块 35相连, 同时图像摄取模块 21和图像识别模块 22相连, 而图像识 别模块 22也与音乐报警模块 35相连, 所述音乐报警模块 35和中央 处理模块 13相连, 并且该信息存储模块 14, 显示模块 15以及音响 播放单元 16分别与该中央处理模块 13相连,上述各个模块以及音响 播放单元 16间的信息传输采用无线连接传输的方式实现;  As shown in FIG. 1 , the intelligent car audio device of the intelligent control and alarm of the present invention comprises a voice receiving module 11 , a voice recognition module 12 , an image capturing module 21 , an image recognition module 22 , a music alarm module 35 , and a central unit. The processing module 13, the information storage module 14, the display module 15 and the audio playback unit 16, wherein the voice receiving module 11 is connected to the voice recognition module 12, the voice recognition module 12 is connected to the music alarm module 35, and the image capturing module 21 and The image recognition module 22 is connected, and the image recognition module 22 is also connected to the music alarm module 35. The music alarm module 35 is connected to the central processing module 13, and the information storage module 14, the display module 15 and the audio playback unit 16 respectively The central processing module 13 is connected, and the information transmission between each of the above modules and the audio playback unit 16 is implemented by means of wireless connection transmission;
语音接收模块 11进一歩包括麦克风, 所述麦克风设置于驾驶员 前面的方向盘上, 用于接收语音信号, 该麦克风采用无线方式将声音 传输给语音识别模块 12, 语音识别模块 12将声音信息和预先录入的 驾驶员声音信息进行比对识别并将识别结果和声音命令传给音乐报 警模块 35 ;  The voice receiving module 11 further includes a microphone disposed on the steering wheel in front of the driver for receiving a voice signal, and the microphone transmits the voice to the voice recognition module 12 in a wireless manner, and the voice recognition module 12 transmits the voice information and the voice The entered driver sound information is compared and recognized, and the recognition result and the voice command are transmitted to the music alarm module 35;
所述的图像摄取模块 21包括摄像头, 所述摄像头设置于驾驶员 前面的方向盘上, 用于摄取图像信号, 该摄像头采用无线方式将图像 传输给图像识别模块 22, 图像识别模块 22将识别的图像信息和预先 录入的驾驶员头像信息进行比对识别并将识别结果传输给音乐报警 所述音乐报警模块 35接收来自于语音识别模块 12和图像识别模 块 22的信息并比对, 如符合预先录入的声音和图像信息则将其传给 中央处理模块 13进行下一歩控制, 如反之不符合则向使用者发出音 乐报警信息并拒绝其声音命令。 The image capturing module 21 includes a camera, the camera is disposed on a steering wheel in front of the driver for capturing an image signal, and the camera wirelessly transmits the image to the image recognition module 22, and the image recognition module 22 will recognize the image. The information is compared with the pre-recorded driver avatar information and the recognition result is transmitted to the music alarm. The music alarm module 35 receives and compares the information from the voice recognition module 12 and the image recognition module 22, and if it matches the pre-recorded sound and image information, passes it to the central processing module 13 for next control, if not The match sends a music alert message to the user and rejects the voice command.
该语音接收模块 11用于接收使用者的语音命令, 该语音识别模 块 12用于对目标用户的语音命令信息进行识别,图像摄取模块 21用 于摄取用户的头部图像, 图像识别模块 22用于接收用户的头像信息 并与其预先录入的头像信息进行比对识别, 以确定是否为真正的 "主 人", 音乐报警模块 35用于接收信息后选择通过还是音乐报警, 该 中央处理模块 13用于进行功能控制和数据处理, 该信息存储模块 14 用于存储相关的信息, 该显示模块 15用于显示播放的信息。  The voice receiving module 11 is configured to receive a voice command of the user, the voice recognition module 12 is configured to identify voice command information of the target user, the image capturing module 21 is configured to capture a head image of the user, and the image recognition module 22 is configured to: Receiving the avatar information of the user and comparing the avatar information with the pre-recorded avatar information to determine whether it is a real "owner", the music alarm module 35 is configured to receive the information and then pass the selection or the music alarm, and the central processing module 13 is configured to perform Function control and data processing, the information storage module 14 is for storing related information, and the display module 15 is for displaying the played information.
使用时, 使用者只需说出自己想要的播放的名目,所述语音接收 模块 11会接收使用者的语音信息, 并将语音信息信号传给所述语音 识别模块 12以及音乐报警模块 35, 同时音乐报警模块 35会将接收 到的来自于图像摄取模块 21和图像识别模块 22的信息进行处理,识 别是其真正 "主人"后, 传输给中央处理模块 13, 该中央处理模块 13控制该存储模块 14的信息提取, 该显示模块 15的显示以及该音 响播放单元 16声音播放。  In use, the user only needs to say the name of the play that he wants, and the voice receiving module 11 receives the voice information of the user, and transmits the voice information signal to the voice recognition module 12 and the music alarm module 35. At the same time, the music alarm module 35 processes the received information from the image capturing module 21 and the image recognition module 22, and after identifying it as its true "owner", transmits it to the central processing module 13, which controls the storage. The information of the module 14 is extracted, the display of the display module 15 and the audio playback unit 16 are played.

Claims

权利要求 Rights request
1. 一种智能操控及报警的无线汽车音响设备, 其特征在于: 其 包括语音接收模块, 语音识别模块, 图像摄取模块, 图像识别模块, 音乐报警模块, 还包括中央处理模块, 信息存储模块, 显示模块以及 音响播放单元, 其中该语音接收模块与语音识别模块相连, 该语音识 别模块与该音乐报警模块相连,同时图像摄取模块和图像识别模块相 连, 而图像识别模块也与音乐报警模块相连, 所述音乐报警模块和中 央处理模块相连, 并且该信息存储模块, 显示模块以及音响播放单元 分别与该中央处理模块相连,上述各个模块以及音响播放单元间的信 息传输采用无线连接传输的方式实现;  1. A wireless car audio device with intelligent control and alarm, characterized in that: it comprises a voice receiving module, a voice recognition module, an image capturing module, an image recognition module, a music alarm module, and a central processing module and an information storage module. a display module and an audio playing unit, wherein the voice receiving module is connected to the voice recognition module, the voice recognition module is connected to the music alarm module, and the image capturing module is connected to the image recognition module, and the image recognition module is also connected to the music alarm module. The music alarm module is connected to the central processing module, and the information storage module, the display module and the audio playback unit are respectively connected to the central processing module, and the information transmission between the respective modules and the audio playback unit is implemented by means of wireless connection transmission;
2.语音接收模块进一歩包括麦克风,所述麦克风设置于驾驶员前 面的方向盘上, 用于接收语音信号, 该麦克风采用无线方式将声音传 输给语音识别模块,语音识别模块将声音信息和预先录入的驾驶员声 音信息进行比对识别并将识别结果和声音命令传给音乐报警模块; 2. The voice receiving module further includes a microphone disposed on the steering wheel in front of the driver for receiving a voice signal, the microphone transmitting the voice to the voice recognition module in a wireless manner, and the voice recognition module pre-recording the voice information Driver's voice information is compared and identified and the recognition result and voice command are transmitted to the music alarm module;
3.所述的图像摄取模块包括摄像头,所述摄像头设置于驾驶员前 面的方向盘上, 用于摄取图像信号, 该摄像头采用无线方式将图像传 输给图像识别模块,图像识别模块将识别的图像信息和预先录入的驾 驶员头像信息进行比对识别并将识别结果传输给音乐报警模块; 3. The image capturing module includes a camera, the camera is disposed on a steering wheel in front of the driver for capturing an image signal, and the camera wirelessly transmits the image to the image recognition module, and the image recognition module will recognize the image information. Comparing with the pre-recorded driver avatar information and transmitting the recognition result to the music alarm module;
4.所述音乐报警模块接收来自于语音识别模块和图像识别模块 的信息并比对,如符合预先录入的声音和图像信息则将其传给中央处 理模块进行下一歩控制,如反之不符合则向使用者发出音乐报警信息  4. The music alarm module receives and compares information from the voice recognition module and the image recognition module, and if it meets the pre-recorded sound and image information, transmits it to the central processing module for next control, if not, if not Send music alert messages to users
PCT/CN2014/081752 2013-08-03 2014-07-07 Intelligent control and alarm wireless vehicle audio device WO2015018253A1 (en)

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