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    • 2. 发明公开
    • SOUND COLLECTING DEVICE, AND METHOD OF CONTROLLING SOUND COLLECTING DEVICE
    • 声音收集装置,以及控制声音收集装置的方法
    • EP3306950A1
    • 2018-04-11
    • EP16803379.3
    • 2016-06-01
    • Clarion Co., Ltd.
    • TAKADA, NaokiNAKASHIMA, Fumiaki
    • H04R3/00A47C7/38A47C7/62B60N2/48B60R11/02H04R1/02H04R1/40
    • An object is to provide a sound collecting device and a method of controlling a sound collecting device with which it is possible to easily obtain audio of a speaking person with a high level of precision while keeping the number of component parts small and preventing the structure from becoming complicated.
      An audio processing unit 35 judges whether or not the current mode is an operation mode (a speech mode or a conversation mode) in which audio of an occupant of the vehicle serving as a speaking person is obtained (step S1A). When the current mode is another operation mode (an audio playback mode or a head position measuring mode), the audio processing unit 35 sets the directionality of a microphone array to be directed toward the outside of the occupant or to be non-directional (steps S4A and S5A) and obtains input audio of the microphone array. In contrast, when the current mode is an operation mode (the speech mode or the conversation mode) in which audio of the occupant is obtained, the audio processing unit 35 arranges the directionality of the microphone array to be directed toward the occupant (step S2A).
    • 本发明的目的是提供一种声音收集装置和一种控制声音收集装置的方法,通过该装置和方法,可以以较高的精度轻松地获得讲话者的声音,同时保持组成部分的数量小并且防止该结构 变得复杂。 音频处理单元35判断当前模式是否是获得用作讲话人的车辆的乘客的音频的操作模式(讲话模式或对话模式)(步骤S1A)。 当当前模式是另一种操作模式(音频重放模式或头部位置测量模式)时,音频处理单元35将麦克风阵列的方向性设置为朝向乘员的外部或者是无方向的(步骤 S4A和S5A)并获得麦克风阵列的输入音频。 相反,当当前模式是获得乘员的音频的操作模式(讲话模式或对话模式)时,音频处理单元35将麦克风阵列的指向性布置为朝向乘员(步骤S2A )。
    • 3. 发明公开
    • DIGITAL SPEAKER SYSTEM
    • 数字扬声器系统
    • EP2699019A1
    • 2014-02-19
    • EP12770803.0
    • 2012-03-12
    • Clarion Co., Ltd.
    • TAKADA, NaokiKONO, KenjiTANAKA, HiroyukiUEHARA, Masayoshi
    • H04R3/00H03F3/68H04R3/14
    • H04R9/02H03F3/68H03F2200/03H03F2200/331H04R1/005H04R3/12H04R3/14H04R2209/041
    • A digital speaker system that can perform both enhancement of reproduction capability and simplification of construction is provided with a construction using plural speaker units for one audio channel. The digital speaker system has a first signal processor 32A for generating plural driving digital signals SS1 to SS6 from one digital audio signal SB1 into which an input digital audio signal SA is branched, and a second signal processor 32B for generating a single driving digital signal SS7 from the other digital audio signal SB2 into which the input digital audio signal SA is branched, and a speaker unit for one audio channel is constructed by a main speaker unit 22A having a voice coil bobbin 23Awith plural voice coils suppliedwith the plural driving digital signals SS1 to SS6, and a sub speaker unit 22B having a voice coil bobbin 23B with a single voice coil supplied with the single driving digital signal.
    • 能够同时执行再现能力的提高和结构的简化的数字扬声器系统具有使用用于一个音频频道的多个扬声器单元的构造。 数字扬声器系统具有第一信号处理器32A和第二信号处理器32B,第一信号处理器32A用于从输入数字音频信号SA分支成的一个数字音频信号SB1产生多个驱动数字信号SS1至SS6,第二信号处理器32B用于产生单个驱动数字信号SS7 从输入数字音频信号SA被分支到的另一个数字音频信号SB2和用于一个音频通道的扬声器单元由主扬声器单元22A构成,主扬声器单元22A具有带有多个音圈的音圈绕线筒23A,多个音圈被提供有多个驱动数字信号SS1 至SS6,以及具有音圈线圈架23B的副扬声器单元22B,音圈线圈架23B具有单个驱动数字信号的单个音圈。