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    • 4. 发明授权
    • Spoken-instruction controlled system for an automotive vehicle
    • 用于汽车的口语指令控制系统
    • US4506377A
    • 1985-03-19
    • US408702
    • 1982-08-16
    • Norimasa KishiKazunori NosoToru Futami
    • Norimasa KishiKazunori NosoToru Futami
    • B60R16/02B60R16/037G10L11/00G10L15/00G10L15/22G10L15/28G10L1/00
    • B60R16/0373G10L15/22
    • A spoken-instruction controlled system for an automotive vehicle by which a single actuator can be activated repeatedly or a plurality of actuators can be activated sequentially by repeatedly depressing a recognition switch within a predetermined time period after a spoken instruction corresponding to the single actuator or actuators has been recognized by a speech recognizer. Therefore, it is possible to activate an actuator repeatedly or actuators sequentially without uttering the same spoken instruction repeatedly. The spoken-instruction controlled system according to the present invention comprises a two-circuit analog switch, at least one analog switch, at least one retriggerable timer unit, an AND gate, an OR gate, a shift register, etc., in addition to a speech recognizer.
    • 一种用于机动车辆的口语指令控制系统,通过该语音指令控制系统可以重复地激活单个致动器或者可以在对应于单个致动器或致动器的语音指令之后在预定时间段内反复按压识别开关来顺序地激活多个致动器 已被语音识别器识别。 因此,可以重复地激活执行器或者顺序地执行致动器,而不会重复地发出相同的说明指令。 根据本发明的语音指令控制系统除了包括双电路模拟开关,至少一个模拟开关,至少一个可再触发定时器单元,与门,或门,移位寄存器等之外,还包括: 语音识别器
    • 8. 发明授权
    • Speech recognition system and method for variable noise environment
    • 可变噪声环境的语音识别系统和方法
    • US4610023A
    • 1986-09-02
    • US456326
    • 1983-01-06
    • Kazunori NosoNorimasa KishiToru Futami
    • Kazunori NosoNorimasa KishiToru Futami
    • B60R16/02B60R16/037G10L11/00G10L11/02G10L15/04G10L15/06G10L15/20G10L5/00
    • B60R16/0373G10L15/20
    • An automotive vehicle speech recognition system sets a recording-mode reference threshold level to be lower than a recognition-mode reference threshold level. Therefore, a spoken instruction supplied to the system in a low voice while the vehicle is parked in a quiet place during a record mode can be correlated with an instruction uttered in a loud voice during a recognition mode while the vehicle is running in a noisy environment. During the record and recognition modes reference threshold signals derived by smoothing a spoken instruction are multiplied by two different factors such that the reference threshold in the recognition mode has a greater multiplication factor than the reference threshold in the record mode. While the driver is uttering a command a first smoothed version of the utterance power spectrum is compared with a fixed reference threshold level, set to the value of a second smoothed version of the utterance power spectrum at the time the utterance began. While no command is being uttered the reference threshold varies in accordance with the second smoothed version. The first smoothed version includes higher frequency components than the second smoothed version.
    • 汽车车辆语音识别系统将记录模式参考阈值电平设置为低于识别模式参考阈值电平。 因此,当车辆在记录模式下停放在安静的地方时,以低声音提供给系统的语音指令可以在车辆在嘈杂的环境中行驶期间在识别模式期间与在大声中发出的指令相关联 。 在记录和识别模式期间,通过平滑语音指令导出的参考阈值信号被乘以两个不同因素,使得识别模式中的参考阈值具有比记录模式中的参考阈值更大的乘法因子。 当驱动器发出命令时,将话音功率谱的第一平滑版本与固定的参考阈值电平进行比较,该固定参考阈值电平被设置为话语开始时的话音功率谱的第二平滑版本的值。 虽然没有发出命令,但是参考阈值根据第二平滑版本而变化。 第一个平滑版本包括比第二个平滑版本更高的频率分量。