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    • 6. 发明授权
    • Data processing apparatus and parameter generating apparatus applied to surround system
    • 应用于环绕系统的数据处理装置和参数发生装置
    • US07859533B2
    • 2010-12-28
    • US11397998
    • 2006-04-04
    • Toru KitayamaKenichi TamiyaKoji KushidaMasao Kondou
    • Toru KitayamaKenichi TamiyaKoji KushidaMasao Kondou
    • G06T11/20
    • H04S7/302H04S7/40H04S2400/13
    • Calculation is performed for sound paths 112-1, 114-1 along which sounds emitted from a sound emitting point 104 in an acoustic space 102 are reflected and delivered to a sound receiving point 106. By the calculation, entering angles ⊖R1, ⊖R2 by which the sound paths enter the front side 106a of the sound receiving point 106 are obtained. Calculation is then performed to obtain angles by which respective speakers 52C, 52L, 52R, 52SR, 52SL of a 5.1 surround system are arranged in a listening room, with the front side 106a of the sound receiving point 106 centered thereon. Audio signals on the respective sound paths are distributed among channels for any two speakers. Consequently, sharp localization of sound images is achieved, requiring less calculation in simulating acoustic characteristics of the acoustic space 102 in which the sound emitting point 104 for emitting sounds and the sound receiving point 106 for receiving the sounds are placed.
    • 对于声音路径112-1,114-1进行计算,沿着声音空间102发出的声音发射点104的声音被反射并传送到声音接收点106.通过计算,输入角度⊖R1,⊖R2 声音路径进入声音接收点106的前侧106a。 然后进行计算,以获得5.1声道环绕系统的各个扬声器52C,52L,52R,52SR,52SL布置在收听室中的角度,声音接收点106的前侧106a位于其上。 相应声音路径上的音频信号分布在任何两个扬声器的声道之间。 因此,实现声像的锐利定位,需要较少的模拟声音空间102的声学特性的计算,其中发出声音的声音发射点104和用于接收声音的声音接收点106被放置。
    • 9. 发明授权
    • Method of verifying preamplifier circuit functions, and magnetic record regeneration apparatus using the same
    • 验证前置放大器电路功能的方法,以及使用其的磁记录再生装置
    • US07233452B2
    • 2007-06-19
    • US11186823
    • 2005-07-22
    • Masao Kondou
    • Masao Kondou
    • G11B27/36G11B5/09
    • H03F3/04G11B5/02G11B5/455G11B20/10027G11B20/10527G11B20/1816G11B2220/2516H03F2200/102H03F2200/168H03F2200/393H03F2200/462H03F2200/78
    • Disclosed is a preamplifier circuit of a magnetic record regeneration apparatus with a write system and a read system, certainly verifying a write function in a short period of time. The preamplifier circuit includes, in the write system, a write driver; a current-voltage conversion circuit for converting the write current from the write driver into a corresponding voltage; a waveform shaping circuit for converting the output voltage from the current-voltage conversion circuit into a full-wave rectified waveform; a peak-hold circuit for holding a peak value of the output from the waveform shaping circuit; a filter circuit for outputting an average voltage of the output from the waveform shaping circuit; and a determination circuit for determining that the write driver is abnormal based on each output status of the peak-hold circuit and the filter circuit.
    • 公开了一种具有写入系统和读取系统的磁记录再生装置的前置放大器电路,当然在短时间内验证写入功能。 前置放大器电路在写入系统中包括写入驱动器; 用于将来自写入驱动器的写入电流转换成相应电压的电流 - 电压转换电路; 波形整形电路,用于将来自电流 - 电压转换电路的输出电压转换为全波整流波形; 用于保持来自波形整形电路的输出的峰值的峰值保持电路; 滤波电路,用于输出来自波形整形电路的输出的平均电压; 以及确定电路,用于基于峰值保持电路和滤波器电路的每个输出状态来确定写入驱动器是异常的。
    • 10. 发明申请
    • Data processing apparatus and parameter generating apparatus applied to surround system
    • 应用于环绕系统的数据处理装置和参数发生装置
    • US20060251260A1
    • 2006-11-09
    • US11397998
    • 2006-04-04
    • Toru KitayamaKenichi TamiyaKoji KushidaMasao Kondou
    • Toru KitayamaKenichi TamiyaKoji KushidaMasao Kondou
    • H04R5/00
    • H04S7/302H04S7/40H04S2400/13
    • Calculation is performed for sound paths 112-1, 114-1 along which sounds emitted from a sound emitting point 104 in an acoustic space 102 are reflected and delivered to a sound receiving point 106. By the calculation, entering angles θR1, θR2 by which the sound paths enter the front side 106a of the sound receiving point 106 are obtained. Calculation is then performed to obtain angles by which respective speakers 52C, 52L, 52R, 52SR, 52SL of a 5.1 surround system are arranged in a listening room, with the front side 106a of the sound receiving point 106 centered thereon. Audio signals on the respective sound paths are distributed among channels for any two speakers. Consequently, sharp localization of sound images is achieved, requiring less calculation in simulating acoustic characteristics of the acoustic space 102 in which the sound emitting point 104 for emitting sounds and the sound receiving point 106 for receiving the sounds are placed.
    • 对于声音路径112-1,114-1进行计算,沿着声音空间102从声音发射点104发出的声音被反射并传送到声音接收点106。 通过计算,获得进入声音路径进入声音接收点106的前侧106a的入射角度θR1,θR2。 然后进行计算,以获得角度,通过该角度将5.1环绕声系统的各个扬声器52C,52L,52R,52SR,52SL布置在听音室中,声音接收点106的前侧106a位于 上。 相应声音路径上的音频信号分布在任何两个扬声器的声道之间。 因此,实现声像的锐利定位,需要较少的模拟声音空间102的声学特性的计算,其中发出声音的声音发射点104和用于接收声音的声音接收点106被放置。