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1. 发明授权

US5521325A Device for synthesizing a musical tone employing random modulation of a wave form signal 失效
标题翻译：用于使用波形信号的随机调制来合成乐音的装置
公开(公告)号：US5521325A
公开(公告)日：1996-05-28
申请号：US854295
申请日：1992-03-19
申请人： Chifumi Takeuchi , Toshifumi Kunimoto , Norio Suzuki , Takaaki Muto
发明人： Chifumi Takeuchi , Toshifumi Kunimoto , Norio Suzuki , Takaaki Muto
IPC分类号： G10H1/16 , G10H5/00 , G10H1/04 , G10H7/00
CPC分类号： G10H5/007 , G10H1/16 , G10H2250/445 , G10H2250/515 , G10H2250/521
摘要： An apparatus for synthesizing a musical tone comprises a loop circuit for circulating an input wave form signal through a delay circuit, a wave form memory, and a random modulation circuit for modulating the wave form signal stored in the wave form memory. The random modulation circuit generates a random signal, such as a noise signal. The random signal modulates address data to the wave form memory, so that the read wave form data read out from the wave form memory is delicately varied with time.
摘要翻译：用于合成乐音的装置包括用于通过延迟电路循环输入波形信号的环路电路，波形存储器和用于调制存储在波形存储器中的波形信号的随机调制电路。随机调制电路产生诸如噪声信号的随机信号。随机信号将地址数据调制到波形存储器，使得从波形存储器读出的读波形数据随着时间精细变化。

2. 发明授权

US5998724A Tone synthesizing device and method capable of individually imparting effect to each tone to be generated 有权
标题翻译：能够单独地对要产生的每种色调赋予效果的色调合成装置和方法
公开(公告)号：US5998724A
公开(公告)日：1999-12-07
申请号：US176513
申请日：1998-10-21
申请人： Chifumi Takeuchi , Toru Kitayama , Toshifumi Kunimoto
发明人： Chifumi Takeuchi , Toru Kitayama , Toshifumi Kunimoto
IPC分类号： G10H1/12 , G10H5/00 , G10H7/00 , G10H1/02
CPC分类号： G10H5/007 , G10H1/125 , G10H7/006 , G10H2210/235 , G10H2210/251 , G10H2240/241 , G10H2240/311 , G10H2250/211 , G10H2250/411 , G10H2250/521
摘要： Basic tone waveform corresponding to a designated tone color and pitch is generated in each of a plurality of channels. Effect is imparted to the basic tone waveform in accordance with an algorithm for providing a predetermined effect, independently for each of the channels. The effect to be imparted is controlled in accordance with the designated tone pitch, separately for each of the channels. The effect impartment may be conducted using a processor, such as a DSP, executing a predetermined program containing a predetermined effect-imparting algorithm. In one example of the effect-imparting algorithm, a delay loop is employed through which an input exciting signal is circulated while being delayed, and an effect specific to an electromagnetic pickup of an electric guitar can be approximated by controlling the delay amount in the delay loop. In another example of the effect-imparting algorithm, a ransom signal is generated to control a cutoff frequency on the basis of the random signal, the basic tone waveform is filtered in accordance with the thus-controlled cutoff frequency, and the resultant filtered tone waveform is circulated through a delay loop whose delay amount is controlled in accordance with the designated tone pitch.
摘要翻译：在多个通道的每个通道中产生与指定的音色和音调相对应的基本音波形。根据用于为每个通道独立地提供预定效果的算法，赋予基本乐音波形的效果。根据指定的音调，针对每个声道单独地控制要赋予的效果。可以使用诸如DSP的处理器执行包含预定的效果赋予算法的预定程序来进行效果隔离。在效果赋予算法的一个示例中，采用延迟环路，通过该延迟环路，输入激励信号在被延迟的同时循环，并且可以通过控制延迟中的延迟量来近似对电吉他的电磁拾取器特有的效果循环。在效果赋予算法的另一示例中，产生赎金信号，以根据随机信号控制截止频率，根据这样控制的截止频率对基本乐音波形进行滤波，得到的滤波乐音波形通过延迟量循环，其延迟量根据指定的音调进行控制。

3. 发明授权

US5969284A Music apparatus using boolean and numerical parameters settable by manipulator 失效
标题翻译：使用可由机械手设定的布尔值和数值参数的乐器
公开(公告)号：US5969284A
公开(公告)日：1999-10-19
申请号：US5784
申请日：1998-01-12
申请人： Takao Yamamoto , Toshifumi Kunimoto , Takeshi Komano , Chifumi Takeuchi
发明人： Takao Yamamoto , Toshifumi Kunimoto , Takeshi Komano , Chifumi Takeuchi
IPC分类号： G10H1/02 , G10H1/18 , G10H1/24 , G10H5/00 , G10H7/00 , G10H7/08 , G10H7/10
CPC分类号： G10H1/24 , G10H5/002 , G10H7/002 , G10H2210/251 , G10H2240/311
摘要： A parameter setting apparatus is provided in an electronic music instrument for editing a configure of parameters in accordance with a manipulation amount to set a tone generator which creates a desired timbre of musical tones upon setting. In the apparatus, a first memory device stores a first subset of parameters containing a Boolean parameter having a first Boolean value and a numerical parameter having a first numerical value. A second memory device stores a second subset of parameters containing the Boolean parameter having a second Boolean value and the numerical parameter having a second numerical value. An operating device provides a manipulation amount for editing parameters. An interpolating device interpolates the first numerical value and the second numerical value in accordance with the manipulation amount to determine an edited numerical value of the numerical parameter. A selecting device selects one of the first Boolean value and the second Boolean value in accordance with the manipulation amount to determine an edited Boolean value of the Boolean parameter. A setting device configure the tone generator with the set of parameters containing the numerical parameter having the edited numerical value and the Boolean parameter having the edited Boolean value.
摘要翻译：在电子乐器中设置参数设定装置，用于根据操作量编辑参数的配置，以设定在设定时产生所需音乐音色的乐音发生器。在该装置中，第一存储装置存储包含具有第一布尔值和具有第一数值的数值参数的布尔参数的参数的第一子集。第二存储器设备存储包含具有第二布尔值的布尔参数的参数的第二子集，并且数值参数具有第二数值。操作装置提供用于编辑参数的操纵量。内插装置根据操作量内插第一数值和第二数值，以确定数字参数的编辑数值。选择装置根据操作量选择第一布尔值和第二布尔值中的一个，以确定布尔参数的编辑布尔值。设置装置使用包含具有编辑的数值的数值参数的参数集合和具有编辑的布尔值的布尔参数来配置音调生成器。

4. 发明授权

US5621801A Reverberation effect imparting system 失效
标题翻译：混响效果赋予系统
公开(公告)号：US5621801A
公开(公告)日：1997-04-15
申请号：US257544
申请日：1994-06-09
申请人： Toshifumi Kunimoto , Masahiro Kakishita , Chifumi Takeuchi
发明人： Toshifumi Kunimoto , Masahiro Kakishita , Chifumi Takeuchi
IPC分类号： G10H1/00 , G10K15/12 , H04R3/00 , H03G3/00
CPC分类号： G10K15/12 , Y10S84/26
摘要： A reverberation effect imparting system includes plural comb filters, each of which has a signal delay line and a feedback loop for filtering a delayed output signal from the delay line and feeding the filtered signal back to the input side with a variable loop gain. The device further includes a junction section which receives the respective output signals from the delay lines of the plural comb filters. The junction section controls the received signals with respective variable scattering coefficients and sums up the thus-controlled signals, so as to introduce the summed signal into the feedback loop of each of the comb filters. In this manner, reverberation control according to the waveguide theory is performed by the junction section, while the conventional-type reverberation control is performed by the comb filters. Thus, reverberation can be controlled through a combination of the two controls.
摘要翻译：混响效果赋予系统包括多个梳状滤波器，每个梳状滤波器具有信号延迟线和反馈回路，用于对来自延迟线的延迟输出信号进行滤波，并将滤波后的信号以可变的环路增益送回输入侧。该装置还包括接收部分，其接收来自多个梳状滤波器的延迟线的相应输出信号。接合部分以相应的可变散射系数控制接收到的信号，并将这样控制的信号相加，以将求和的信号引入每个梳状滤波器的反馈回路中。以这种方式，根据波导理论的混响控制由接合部执行，而常规型混响控制由梳状滤波器执行。因此，可以通过两个控制的组合来控制混响。

5. 发明授权

US5308918A Signal delay circuit, FIR filter and musical tone synthesizer employing the same 失效
标题翻译：信号延迟电路，FIR滤波器和采用相同的乐音合成器
公开(公告)号：US5308918A
公开(公告)日：1994-05-03
申请号：US869448
申请日：1992-04-16
申请人： Akira Yamauchi , Toshifumi Kunimoto , Chifumi Takeuchi , Iwao Higashi
发明人： Akira Yamauchi , Toshifumi Kunimoto , Chifumi Takeuchi , Iwao Higashi
IPC分类号： G10H1/00 , G10H1/12 , G10H5/00 , H03H17/00 , H03H17/06 , G10H5/02
CPC分类号： H03H17/0027 , G10H1/0091 , G10H1/12 , G10H5/007 , H03H17/06 , G10H2250/115 , G10H2250/521 , Y10S84/09 , Y10S84/10 , Y10S84/26
摘要： The present invention provides a signal delay circuit for substantially steplessly changing a delay interval. The signal delay circuit is composed essentially of a delay controller, a first delay circuit, and a second delay circuit. The delay controller generates and outputs control data consisting of a real number bearing control information for controlling the delay interval, the real number consists of an integral portion and a fractional portion. The first delay circuit receives an incidental signal, delays the incidental signal for creating a first intermediate signal, and outputs the first intermediate signal, the first intermediate signal being delayed with respect to the incidental signal by an interval which is a product of a predetermined cardinal interval and the integral portion of the real number. The second delay circuit receives the first intermediate signal, produces at least one second intermediate signal by delaying the first intermediate signal by at least one interval which is an integral multiple of the predetermined cardinal interval, interpolates the first intermediate signal and said at least one second intermediate signal for producing a delayed signal, and outputs the delayed signal, the delayed signal being delayed with respect to the first intermediate signal by an interval which is a product of the predetermined cardinal interval and the fractional portion of the real number. As a result, the delayed signal is delayed with respect to the incidental signal by a delay interval which is a product of the predetermined cardinal interval and the real number output by the delay control means.
摘要翻译：本发明提供一种用于基本上无级改变延迟间隔的信号延迟电路。信号延迟电路基本上由延迟控制器，第一延迟电路和第二延迟电路组成。延迟控制器产生并输出由用于控制延迟间隔的实数轴承控制信息组成的控制数据，实数由整体部分和分数部分组成。第一延迟电路接收附带信号，延迟用于产生第一中间信号的附带信号，并且输出第一中间信号，第一中间信号相对于附带信号延迟一个间隔，该间隔是预定基数间隔和实数的积分部分。第二延迟电路接收第一中间信号，通过将第一中间信号延迟至少一个间隔，产生至少一个第二中间信号，该间隔是预定基本间隔的整数倍，内插第一中间信号和所述至少一个第二中间信号用于产生延迟信号的中间信号，并且输出延迟信号，延迟信号相对于第一中间信号延迟一个间隔，该间隔是预定基数和实数的分数部分的乘积。结果，延迟信号相对于附带信号被延迟延迟间隔，该延迟间隔是预定的基本间隔与由延迟控制装置输出的实数的乘积的乘积。

6. 发明授权

US5256830A Musical tone synthesizing apparatus 失效
标题翻译：音乐合成装置
公开(公告)号：US5256830A
公开(公告)日：1993-10-26
申请号：US581310
申请日：1990-09-11
申请人： Chifumi Takeuchi , Toshifumi Kunimoto
发明人： Chifumi Takeuchi , Toshifumi Kunimoto
IPC分类号： G10H1/12 , G10H5/00 , G10H1/08
CPC分类号： G10H1/125 , G10H5/007 , G10H2250/046 , G10H2250/061 , G10H2250/105 , G10H2250/451 , G10H2250/515 , G10H2250/521 , Y10S84/10 , Y10S84/26
摘要： A musical tone synthesizing apparatus is designed to simulate the acoustic sounds of non-electronic musical instruments. In the non-electronic musical instrument providing the resonator such as the piano and guitar, the produced acoustic sound contains three kinds of sounds, i.e., a direct sound, a resonant sound and a transient sound. Herein, the direct sound is produced directly by playing the instrument, the resonant sound is produced from the resonator based on the direct sound and the transient sound is produced when the impulse to be occurred by playing the instrument propagates through the resonator. Thus, signals simulating these sounds respectively are mixed together so as to produce the synthesized musical tone signal, which well-simulates the acoustic sound.
摘要翻译：乐音合成装置被设计成模拟非电子乐器的声音。在提供诸如钢琴和吉他的谐振器的非电子乐器中，产生的声音包含三种声音，即直接声音，共振声音和瞬态声音。这里，通过播放乐器直接产生直接声音，基于直接声音从谐振器产生谐振声，并且当通过播放乐器发生的脉冲通过谐振器传播时产生瞬态声音。因此，模拟这些声音的信号分别混合在一起，以产生良好地模拟声音的合成乐音信号。

7. 发明授权

US5245127A Signal delay circuit, FIR filter and musical tone synthesizer employing the same 失效
标题翻译：信号延迟电路，FIR滤波器和采用相同的乐音合成器
公开(公告)号：US5245127A
公开(公告)日：1993-09-14
申请号：US869860
申请日：1992-04-16
申请人： Akira Yamauchi , Toshifumi Kunimoto , Chifumi Takeuchi , Iwao Higashi
发明人： Akira Yamauchi , Toshifumi Kunimoto , Chifumi Takeuchi , Iwao Higashi
IPC分类号： G10H1/00 , G10H1/12 , G10H5/00 , H03H17/06
CPC分类号： G10H1/12 , G10H1/0091 , G10H5/007 , H03H17/06 , G10H2250/115 , G10H2250/521 , Y10S84/10 , Y10S84/26
摘要： The present invention provides a signal delay circuit for substantially steplessly changing a delay interval. The signal delay circuit is composed essentially of a delay controller, a first delay circuit, and a second delay circuit. The delay controller generates and outputs control data consisting of a real number bearing control information for controlling the delay interval, the real number consists of an integral portion and a fractional portion. The first delay circuit receives an incidental signal, delays the incidental signal for creating a first intermediate signal, and outputs the first intermediate signal, the first intermediate signal being delayed with respect to the incidental signal by an interval which is a product of a predetermined cardinal interval and the integral portion of the real number. The second delay circuit receives the first intermediate signal, produces at least one second intermediate signal by delaying the first intermediate signal by at least one interval which is an integral multiple of the predetermined cardinal interval, interpolates the first intermediate signal and said at least one second intermediate signal for producing a delayed signal, and outputs the delayed signal, the delayed signal being delayed with respect to the first intermediate signal by an interval which is a product of the predetermined cardinal interval and the fractional portion of the real number. As a result, the delayed signal is delayed with respect to the incidental signal by a delay interval which is a product of the predetermined cardinal interval and the real number output by the delay control means.
摘要翻译：本发明提供一种用于基本上无级改变延迟间隔的信号延迟电路。信号延迟电路基本上由延迟控制器，第一延迟电路和第二延迟电路组成。延迟控制器产生并输出由用于控制延迟间隔的实数轴承控制信息组成的控制数据，实数由整体部分和分数部分组成。第一延迟电路接收附带信号，延迟用于产生第一中间信号的附带信号，并且输出第一中间信号，第一中间信号相对于附带信号延迟一个间隔，该间隔是预定基数间隔和实数的积分部分。第二延迟电路接收第一中间信号，通过将第一中间信号延迟至少一个间隔，产生至少一个第二中间信号，该间隔是预定基本间隔的整数倍，内插第一中间信号和所述至少一个第二中间信号用于产生延迟信号的中间信号，并且输出延迟信号，延迟信号相对于第一中间信号延迟一个间隔，该间隔是预定基数和实数的分数部分的乘积。结果，延迟信号相对于附带信号被延迟延迟间隔，该延迟间隔是预定的基本间隔与由延迟控制装置输出的实数的乘积的乘积。

8. 发明授权

US5223653A Musical tone synthesizing apparatus 失效
标题翻译：音乐合成装置
公开(公告)号：US5223653A
公开(公告)日：1993-06-29
申请号：US524137
申请日：1990-05-15
申请人： Toshifumi Kunimoto , Chifumi Takeuchi
发明人： Toshifumi Kunimoto , Chifumi Takeuchi
IPC分类号： G10H1/06 , G10H5/00
CPC分类号： G10H1/06 , G10H5/007 , G10H2250/046 , G10H2250/435 , G10H2250/521 , Y10S84/09 , Y10S84/10
摘要： A musical tone synthesizing apparatus which is suitable for simulating and synthesizing the percussion instrument tone provides a closed-loop including at least an adder and a delay circuit. An input signal corresponding to a musical tone signal to be synthesized is supplied to the adder from an external device. The adder adds the input signal to its feedback signal. The output of adder is delayed by a delay time in the delay circuit, wherein delay time is controlled by a modulation signal. Then, delayed output of the delay circuit is fed back to the adder as the feedback signal. Thus, the output of adder or a signal propagating the delay circuit is picked up as a synthesized musical tone signal. Preferably, it is possible to provide a plurality of delay circuits.
摘要翻译：适用于模拟和合成打击乐器音调的乐音合成装置提供至少包括加法器和延迟电路的闭环。对应于要合成的乐音信号的输入信号从外部装置提供给加法器。加法器将输入信号加到其反馈信号上。加法器的输出在延迟电路中延迟延迟时间，其中延迟时间由调制信号控制。然后，延迟电路的延迟输出被反馈到加法器作为反馈信号。因此，加法器的输出或传播延迟电路的信号被拾取为合成乐音信号。优选地，可以提供多个延迟电路。

9. 发明授权

US5241129A Electronic musical instrument having physical model tone generator 失效
标题翻译：具有物理模型音发生器的电子乐器
公开(公告)号：US5241129A
公开(公告)日：1993-08-31
申请号：US833934
申请日：1992-02-11
申请人： Takaaki Muto , Chifumi Takeuchi
发明人： Takaaki Muto , Chifumi Takeuchi
IPC分类号： G10H7/08 , G10H5/00 , G10H7/00 , G10K15/12
CPC分类号： G10H5/007 , G10H2250/451 , G10H2250/521 , Y10S84/09 , Y10S84/10
摘要： An object of the present invention is to provide an electronic musical instrument which can generate a plurality of tones in spite of the inexpensive and simple structure thereof and can correct the quantity of phase delay of a closed loop in a physical model tone generator without use of any special processor such as a high-speed CPU or a dedicated numerical operation processor, not only to thereby attain performance effects of echo, chorus and the like but to simulate a performance style of repeating the operation of one string or key in the condition in which a tone corresponding to the string or key remains, without production of noise even when parameters for constituent elements of the physical model tone generator are respectively changed widely. The electronic musical instrument includes a driving waveform for storing a plurality of driving waveform data corresponding to performance information in advance, and a closed loop constituted by a shift register and a low-pass filter. The plurality of driving waveform data are supplied into the closed loop and repeatedly circulated while applying at least a delay process and a decay process onto the plurality of driving waveform data by way of time division corresponding to the performance information. As a result, a plurality of signals circulating in the closed loop are generated as a plurality of tone signals.
摘要翻译：本发明的一个目的是提供一种电子乐器，尽管它具有廉价且简单的结构，但能够校正物理模型乐音发生器中闭环的相位延迟量，而不使用诸如高速CPU或专用数字操作处理器的任何特殊处理器，不仅能够达到回声，合唱等的性能效果，而且可以模拟在条件中重复一个字符串或键的操作的演奏风格即使对于物理模型音发生器的构成要素的参数分别变化，也不会产生噪声，即使对应于弦或键的音调也不会产生噪声。电子乐器包括用于预先对应于演奏信息存储多个驱动波形数据的驱动波形，以及由移位寄存器和低通滤波器构成的闭环。多个驱动波形数据被提供到闭环中并且通过对应于演奏信息的时分对多个驱动波形数据施加至少延迟处理和衰减处理而重复循环。结果，产生在闭环中循环的多个信号作为多个音调信号。

10. 发明授权

US5223657A Musical tone generating device with simulation of harmonics technique of a stringed instrument 失效
标题翻译：音乐发生装置，具有弦乐器谐波技术的仿真
公开(公告)号：US5223657A
公开(公告)日：1993-06-29
申请号：US658556
申请日：1991-02-21
申请人： Chifumi Takeuchi
发明人： Chifumi Takeuchi
IPC分类号： G10H7/08 , G10H1/00 , G10H5/00 , G10H7/00
CPC分类号： G10H5/007 , G10H2250/046 , G10H2250/451 , G10H2250/521 , Y10S84/09 , Y10S84/10 , Y10S84/26
摘要： A musical tone generating device is capable of simulating various special playing techniques for a stringed instrument in which the harmonic spectrums of produced sound is enhanced, or otherwise altered. The device includes a delay circuit wherein an input signal thereto is delayed and output; a closed loop circuit comprising multiple feedback pathways to which the output of the delay circuit is supplied and processed therein, after which the processed signal is returned toward the delay circuit as an input signal; an excitation device in response to a predetermined control signal, generating an excitation signal and supplying it to the closed loop circuit, such that the excitation signal corresponds to an excitation vibration in the stringed instrument being simulated; and a control device wherein the predetermined control signal is generated and whereby the delay interval of the delay circuit and the processing carried out in the multiple feedback pathways are controlled.
摘要翻译：音乐发生装置能够模拟用于弦乐器的各种特殊播放技术，其中产生的声音的谐波谱被增强或以其他方式改变。该装置包括延迟电路，其中输入信号被延迟并输出; 一个闭环电路，包括多个反馈通道，延迟电路的输出端被提供给该反馈通路，在此之后，经处理的信号作为输入信号返回到延迟电路; 激励装置，响应于预定的控制信号，产生激励信号并将其提供给闭环电路，使得激励信号对应于被仿真的弦乐器中的激励振动; 以及控制装置，其中生成预定的控制信号，并且由此控制延迟电路的延迟间隔和在多个反馈通路中进行的处理。

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