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    • 5. 发明申请
    • Apparatus for generating surround signal from two-channel stereo signal
    • 用于从双声道立体声信号产生环绕信号的装置
    • US20050031128A1
    • 2005-02-10
    • US10858615
    • 2004-06-01
    • Yuji TomitaHideki Matsui
    • Yuji TomitaHideki Matsui
    • H04S7/00H04R5/02H04S3/00H04R5/00
    • H04R5/02
    • To restrict a loss, or a variation in a loudness, of the sound of a rear speaker if the separation of a two-channel stereo signal degrades in a surround device which generates a four-channel surround signal based on a difference component of the two-channel stereo signal. In a surround device which generates the difference signal based on input left and right channel signal, and generates a driving signal of a front speaker arranged in front of the audience and a driving signal of a rear speaker arranged behind the audience based on the left and right input signals and the difference signal, a part of the driving signal of the front speaker or a part of the two-channel signal is mixed to the driving signal of the rear speaker, and therefore, the loss or the variation in the loudness of the sound of the rear speaker can be restricted even if the separation of the two-channel stereo signal degrades.
    • 为了限制后置扬声器的声音的损失或声音的变化,如果双声道立体声信号的分离在产生四声道环绕信号的环绕设备中降级,该环绕设备基于两者的差分分量 通道立体声信号。 在环绕设备中,其基于输入的左右声道信号产生差分信号,并且生成布置在观众面前的前置扬声器的驱动信号,以及基于左侧布置在观众后面的后置扬声器的驾驶信号,以及 右输入信号和差分信号,前扬声器的驱动信号的一部分或双声道信号的一部分被混合到后扬声器的驱动信号,因此,声音的损失或响度的变化 即使两声道立体声信号的分离降低,也可以限制后置扬声器的声音。
    • 6. 发明授权
    • Apparatus for generating surround signal from two-channel stereo signal
    • 用于从双声道立体声信号产生环绕信号的装置
    • US07764805B2
    • 2010-07-27
    • US10858615
    • 2004-06-01
    • Yuji TomitaHideki Matsui
    • Yuji TomitaHideki Matsui
    • H04R5/02
    • H04R5/02
    • To restrict a loss, or a variation in a loudness, of the sound of a rear speaker if the separation of a two-channel stereo signal degrades in a surround device which generates a four-channel surround signal based on a difference component of the two-channel stereo signal. In a surround device which generates the difference signal based on input left and right channel signal, and generates a driving signal of a front speaker arranged in front of the audience and a driving signal of a rear speaker arranged behind the audience based on the left and right input signals and the difference signal, a part of the driving signal of the front speaker or a part of the two-channel signal is mixed to the driving signal of the rear speaker, and therefore, the loss or the variation in the loudness of the sound of the rear speaker can be restricted even if the separation of the two-channel stereo signal degrades.
    • 为了限制后置扬声器的声音的损失或声音的变化,如果双声道立体声信号的分离在产生四声道环绕信号的环绕设备中降级,该环绕设备基于两者的差分分量 通道立体声信号。 在环绕设备中,其基于输入的左右声道信号产生差分信号,并且生成布置在观众面前的前置扬声器的驱动信号,以及基于左侧布置在观众后面的后置扬声器的驾驶信号,以及 右输入信号和差分信号,前扬声器的驱动信号的一部分或双声道信号的一部分被混合到后扬声器的驱动信号,因此,声音的损失或响度的变化 即使两声道立体声信号的分离降低,也可以限制后置扬声器的声音。
    • 8. 发明授权
    • Control apparatus and method, and signal processing apparatus
    • 控制装置和方法以及信号处理装置
    • US08589719B2
    • 2013-11-19
    • US13025390
    • 2011-02-11
    • Hideki Matsui
    • Hideki Matsui
    • G06F1/00
    • H04L25/03057H04L25/0286H04L25/03885
    • A control apparatus controls a signal processing unit. The signal processing unit is mounted within a case and includes a waveform shaping unit which performs a waveform shaping process on an inputted signal. The control apparatus includes: an obtaining device which obtains (i) mounting information indicating a mounting state of the signal processing unit, (ii) temperature information indicating a temperature of the signal processing unit, and (iii) processing unit characteristic information indicating characteristics unique to the signal processing unit; and an adjusting device which adjusts waveform shaping characteristics of the waveform shaping unit, on the basis of the mounting information, the temperature information and the processing unit characteristic information.
    • 控制装置控制信号处理单元。 信号处理单元安装在壳体内,并且包括对输入信号执行波形整形处理的波形整形单元。 控制装置包括:获取装置,其获得(i)安装指示信号处理单元的安装状态的信息,(ii)指示信号处理单元的温度的温度信息,以及(iii)表示特征唯一的处理单元特征信息 到信号处理单元; 以及调整装置,其基于安装信息,温度信息和处理单元特性信息来调整波形整形单元的波形整形特性。