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    • 17. 发明授权
    • Notification sound control unit of approaching vehicle audible system
    • 接近车载音响系统的通知声控单元
    • US09162619B2
    • 2015-10-20
    • US14371676
    • 2012-03-16
    • Takahisa AoyagiAsako OmoteYouichi KatoNoritaka KokidoSatoru Inoue
    • Takahisa AoyagiAsako OmoteYouichi KatoNoritaka KokidoSatoru Inoue
    • B60Q1/00B60Q5/00G10K15/02
    • B60Q5/008G10K15/02
    • A notification sound control unit of an approaching vehicle audible system includes a first rotation speed calculation section that calculates a first rotation speed, based on an accelerator opening degree signal of an electric vehicle, a second rotation speed calculation section that calculates a second rotation speed, based on a vehicle speed signal of the electric vehicle, a rotation speed synthesis section that synthesizes the first rotation speed and the second rotation speed, a virtual engine rotation speed calculation section that applies filtering processing to a synthesis rotation speed synthesized by the rotation speed synthesis section so as to calculate a virtual engine rotation speed, and a notification sound signal generation processing section that changes a pitch and a volume of a phoneme signal outputted from a phoneme, based on the virtual engine rotation speed, so as to generate a notification sound signal.
    • 接近车辆音响系统的通知声音控制单元包括基于电动车辆的加速器开度信号计算第一转速的第一转速计算部,计算第二转速的第二转速计算部, 基于所述电动汽车的车速信号,合成所述第一转速和所述第二转速的转速合成部,对由所述转速合成而合成的合成转速进行滤波处理的虚拟发动机转速计算部 以便计算虚拟发动机转速,以及通知声音信号生成处理部,其基于虚拟发动机转速改变从音素输出的音素信号的音调和音量,以产生通知声音 信号。
    • 20. 发明申请
    • ELECTRIC MOVING BODY ALARM SOUND CONTROL DEVICE
    • 电动机体报警声控制装置
    • US20130063258A1
    • 2013-03-14
    • US13696160
    • 2010-08-16
    • Tatsuya MitsugiSatoru InoueTakahisa Aoyagi
    • Tatsuya MitsugiSatoru InoueTakahisa Aoyagi
    • B60Q5/00
    • B60Q5/008
    • An electric moving body alarm sound control device that does not generate alarm sound more than necessary nor less than necessary is provided in electric moving bodies, such as hybrid vehicles and electric vehicles, excellent in quietness. An electric moving body alarm sound control device comprises an electric moving body noise detection unit that detects noise the electric moving body generates by itself; an electric moving body noise level comparison determination unit that determines the noise level the electric moving body generates, based on the detection signal detected by the electric moving body noise detection unit; and an alarm sound volume level control unit that takes control of the volume level of alarm sound a sound-emitting unit emits, based on the determination result by the electric moving body noise level comparison determination unit.
    • 在诸如混合动力车辆和电动车辆的电动移动体中,在静音性优异的情况下,提供不产生超出必要范围的报警声的电动车身报警声控制装置。 一种电动移动体报警声控制装置,其特征在于,包括:电动移动体噪声检测部,其检测所述电动体自身产生的噪声; 电动移动体噪声电平比较确定单元,其基于由所述电动移动体噪声检测单元检测到的检测信号来确定所述电动移动体产生的噪声电平; 以及报警音量级别控制单元,其基于电动移动体噪声级别比较确定单元的确定结果来控制声音发射单元发出的警报声音的音量水平。