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    • 1. 发明申请
    • DIGITAL SPEAKER SYSTEM
    • 数字扬声器系统
    • US20140029763A1
    • 2014-01-30
    • US14112007
    • 2012-03-12
    • Naoki TakadaKenji KonoHiroyuki TanakaMasayoshi Uehara
    • Naoki TakadaKenji KonoHiroyuki TanakaMasayoshi Uehara
    • H04R9/02
    • 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 23A with plural voice coils supplied with 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.
    • 能够实现再现能力的提高和简化构造的数字扬声器系统具有使用用于一个音频通道的多个扬声器单元的结构。 数字扬声器系统具有第一信号处理器32A,用于从输入数字音频信号SA被分支的一个数字音频信号SB1产生多个驱动数字信号SS1至SS6;以及第二信号处理器32B,用于产生单个驱动数字信号SS7 从输入数字音频信号SA分支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具有多个音圈的主扬声器单元22A构成,该多个音圈具有多个驱动数字 信号SS1至SS6,以及具有提供单个驱动数字信号的具有单个音圈的音圈架23B的副扬声器单元22B。