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    • 2. 发明授权
    • Speaker device and filter coefficient generating device therefor
    • 扬声器装置及滤波系数发生装置
    • US09118997B2
    • 2015-08-25
    • US13642859
    • 2010-04-26
    • Satoshi MiyataToshimitsu Suetsugu
    • Satoshi MiyataToshimitsu Suetsugu
    • H04R3/04H04R3/12H04R1/40H04R27/00
    • H04R3/12H04R1/403H04R27/00
    • To provide a speaker device that can form a substantially uniform sound field over a range from a long distance to a short distance without significantly increasing a calculation load. A plurality of FIR filters 21 to 2n perform delay control of respective speakers so as to increase a delay time difference between adjacent speakers 51 to 5n in a line array speaker 5 toward one end of the line array speaker 5, and thereby over a wide range from a long distance to a short distance, a sound filed 12 is formed. Also, by adding a common shift delay time Dc to filter coefficients for the FIR filters 21 to 2n, the delay time difference between adjacent speakers 51 to 5n is made less than a sampling period of a sound signal to form a wide and uniform sound field 12.
    • 提供一种扬声器装置,其能够在从远距离到短距离的范围内形成基本上均匀的声场,而不会显着增加计算负荷。 多个FIR滤波器21至2n执行各个扬声器的延迟控制,以便将线阵列扬声器5中的相邻扬声器51至5n之间的延迟时间差增加到线阵列扬声器5的一端,从而在较宽范围内 从长距离到短距离,形成声场12。 此外,通过添加公共移位延迟时间Dc以对FIR滤波器21至2n的系数进行滤波,使得相邻扬声器51至5n之间的延迟时间差小于声音信号的采样周期,以形成宽而均匀的声场 12。
    • 4. 发明授权
    • Position measuring method and mobile communication terminal
    • 位置测量方法和移动通信终端
    • US07432923B2
    • 2008-10-07
    • US11650476
    • 2007-01-08
    • Masanori FujiwaraSatoshi MiyataSeiichi KawakamiJun SakamotoKazuya KawakamiAtsushi Wada
    • Masanori FujiwaraSatoshi MiyataSeiichi KawakamiJun SakamotoKazuya KawakamiAtsushi Wada
    • G01S5/14
    • G01S19/48G01S2205/008
    • When a user of a mobile communication terminal makes a request for a position-measuring of a current location, at step S101, a position-measuring method determining section checks a position-measuring method specified. When the method specified is a “cell ID position-measuring”, and it is performed, when the method specified is a “base station radio waves position-measuring”; a base station radio waves position-measuring is performed, when the method specified is a “GPS position-measuring” or a “not specified”, at step S102, a judgment of whether an area in which the mobile communication terminal exist is an area suitable for data communication is made. When the judgment is negative, an autonomous GPS position-measuring is performed. When the judgment is affirmative, an assisted GPS position-measuring is performed. In this case, when the assisted GPS position-measuring has failed, in process to deal with failure of assisted GPS position-measuring at step S108, in a case of predetermined conditions, further the autonomous GPS position-measuring or a supplementary cell ID position-measuring is performed.
    • 当移动通信终端的用户请求当前位置的位置测量时,在步骤S101中,位置测量方法确定部分检查指定的位置测量方法。 当指定的方法是“小区ID位置测量”,并且执行时,当指定的方法是“基站无线电波位置测量”时; 执行基站无线电波位置测量时,当指定的方法是“GPS位置测量”或“未指定”时,在步骤S102,判断移动通信终端存在的区域是否为 进行适合数据通信的区域。 当判断为否定时,执行自主的GPS位置测量。 当判断为肯定时,执行辅助GPS位置测量。 在这种情况下,当辅助GPS位置测量失败时,在步骤S108处理处理辅助GPS位置测量的失败时,在预定条件的情况下,还可以进行自主GPS位置测量或辅助小区ID 进行位置测量。
    • 5. 发明授权
    • Electronic musical instrument having a control section memory for
generating musical tone parameters
    • 具有用于产生乐音参数的控制部分存储器的电子乐器
    • US5446237A
    • 1995-08-29
    • US871
    • 1993-01-05
    • Yasunao AbeSatoshi MiyataShinichi Ito
    • Yasunao AbeSatoshi MiyataShinichi Ito
    • G10H1/057G10H1/18G10H7/00H04J3/00
    • G10H1/0575G10H1/186G10H7/004G10H2250/621
    • An electronic musical instrument having a common memory, a tone generator and a control section. The common memory stores a plurality of musical tone parameters and is accessed by the tone generator and the control section. The tone generator generates a musical tone based on the musical tone parameters stored in the common memory and writes a musical tone parameter indicating the current state of the musical tone being generated by the tone generator, in the common memory. The control section directs the tone generator to generate a musical tone by writing the plurality of musical tone parameters corresponding to the musical tone in the common memory and controls the tone generation by monitoring the current state of the musical tone based on the musical tone parameter stored in the common memory. In the electronic musical instrument, the load of the control section for controlling the tone generator is reduced, and the circuit sizes of the control section and the total memory capacity required for the electronic musical instrument are also reduced.
    • 具有公共存储器,乐音发生器和控制部分的电子乐器。 公共存储器存储多个乐音参数,并由音调发生器和控制部分访问。 乐音发生器基于存储在公共存储器中的乐音参数产生乐音,并将表示由乐音发生器产生的乐音的当前状态的乐音参数写入公共存储器中。 控制部通过将与音乐对应的多个乐音参数写入公共存储器来引导音调发生器生成乐音,并且基于存储的乐音参数监视音调的当前状态来控制音调生成 在共同记忆中。 在电子乐器中,用于控制乐音发生器的控制部分的负载减小,并且电子乐器所需的控制部分的电路尺寸和总存储容量也减小。
    • 6. 发明授权
    • Noise eliminating apparatus
    • 消声装置
    • US08180068B2
    • 2012-05-15
    • US11817868
    • 2006-03-07
    • Kensaku FujiiSatoshi Miyata
    • Kensaku FujiiSatoshi Miyata
    • H04R1/02
    • H04R3/04G10L21/0208G10L2021/02165H04R3/005
    • A noise eliminating apparatus includes a first microphone, a second microphone and a signal processing unit, the signal processing unit includes a linear prediction filter and a noise resynthesis filter, the linear prediction filter receives an output signal of the first microphone, predicts the output signal of the first microphone by linear prediction and generates a prediction signal, and the noise resynthesis filter is an adaptive filter which receives, as a main input signal, a first difference signal obtained by subtracting one of the output signal of the first microphone and the prediction signal from the other, receives, as an error signal, a second difference signal obtained by subtracting one of an output signal of the second microphone and an output signal of the noise resynthesis filter itself from the other, and updates a filter coefficient so that the error signal is minimized.
    • 噪声消除装置包括第一麦克风,第二麦克风和信号处理单元,信号处理单元包括线性预测滤波器和噪声再合成滤波器,线性预测滤波器接收第一麦克风的输出信号,预测输出信号 通过线性预测生成第一麦克风,并生成预测信号,噪声再合成滤波器是自适应滤波器,其接收通过减去第一麦克风的输出信号和预测中的一个获得的第一差分信号作为主输入信号, 从另一方面接收通过从另一方减去第二麦克风的输出信号和噪声再合成滤波器本身的输出信号中的一个而获得的第二差分信号作为误差信号,并更新滤波器系数,使得 误差信号最小化。
    • 10. 发明授权
    • Speaker device
    • 扬声器装置
    • US09565504B2
    • 2017-02-07
    • US14408961
    • 2012-06-19
    • Satoshi MiyataHiroshi Kubota
    • Satoshi MiyataHiroshi Kubota
    • H04R29/00H04R3/12
    • H04R29/00H04R3/12H04R29/002
    • To provide a speaker apparatus that can detect miswiring to a speaker unit or trouble of a speaker unit itself. The speaker apparatus is configured to include: two or more speaker units 11 that are arranged in a speaker housing 10; a sensor microphone 12 that is arranged in the speaker housing 10 and outputs a sound collection signal 6; a target unit selection part 20 that selects any one of the speaker units 11 as a target unit; a sound signal supply part 21 that supplies an external sound signal 4 to the target unit; and an error detection part 25 that provides an error output on the basis of the external sound signal 4 and the sound collection signal 6.
    • 提供一种可以检测扬声器单元的接线错误或扬声器单元本身的故障的扬声器装置。 扬声器装置被配置为包括:布置在扬声器壳体10中的两个或更多个扬声器单元11; 传感器麦克风12,布置在扬声器壳体10中并输出声音采集信号6; 选择扬声器单元11中的任一个作为目标单元的目标单元选择部20; 向目标单元提供外部声音信号4的声音信号提供部21; 以及基于外部声音信号4和声音采集信号6提供误差输出的误差检测部分25。