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公开(公告)号：US4287802A
公开(公告)日：1981-09-08
申请号：US40041
申请日：1979-05-17
申请人： Akio Imamura , Naota Katada
发明人： Akio Imamura , Naota Katada
摘要： An electronic musical instrument having its keyboard divided into plural key ranges with musical tones being generated with tone colors which are different one key range from another. For achieving this object, the instrument comprises channel processors, tone generators, additional tone generators for the lowest (or highest) key in each key range, a common key coder for obtaining key data of depressed keys and a control circuit for supplying key codes delivered out of the key coder to only a channel processor of a corresponding key range. The key coder delivers out key data of depressed keys sequentially one key data at one time slot. According to the invention, the lowest (or highest) tone in a predetermined key range is generated with a tone color corresponding to the key range and also with a different tone color. The time slot allotted to the lowest (or highest) key is divided into two halves and a key code of the lowest (or highest) key is applied to a corresponding channel processor during the first half and is applied to a tone generator for the lowest (or highest) key after being once stored in a register. A lowest key detection circuit generates a pulse defining the second half of the time slot.
摘要翻译： 一种电子乐器，其键盘被分成多个键区域，其中生成具有与另一个不同的一个键范围的音色的乐音。 为了实现该目的，仪器包括通道处理器，音调发生器，用于每个键范围中最低（或最高）键的附加音调发生器，用于获得按下的键的键数据的公共密钥编码器和用于提供递送的密钥代码的控制电路 从关键编码器到只有相应键范围的通道处理器。 密钥编码器在一个时隙顺序地输出按键的密钥数据一个密钥数据。 根据本发明，通过对应于键范围的音色并且还具有不同的音色来生成预定键范围内的最低（或最高）音色。 分配给最低（或最高）密钥的时隙被划分为两半，并且最低（或最高）密钥的密钥码在前半部分被应用于对应的信道处理器，并且被应用于最低（或最高）密钥的音调发生器 （或最高）键一旦存储在寄存器中。 最低密钥检测电路产生定义时隙的后半部分的脉冲。
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公开(公告)号：US4282788A
公开(公告)日：1981-08-11
申请号：US97717
申请日：1979-11-27
申请人： Eiichi Yamaga , Junji Iio , Toshio Takeda , Akira Nakada , Akio Imamura
发明人： Eiichi Yamaga , Junji Iio , Toshio Takeda , Akira Nakada , Akio Imamura
CPC分类号： G10H1/40 , G10H1/38 , G10H2210/231 , G10H2210/361 , Y10S84/12 , Y10S84/22
摘要： An electronic musical instrument with an automatic chord performance device is of a type in which chord tones of plural series of different tone colors in different rhythm patterns are produced. This instrument employs a memory for storing a plurality of patterns per one rhythm and for plural rhythms in order to simultaneously obtain the chord tones of plural series per one rhythm. The patterns are read from the memory as tone generation timing signals. These tone generation timing signals control the amplitudes of the envelopes of the chord tone signals. The chord tone signals thus controlled in amplitude are generated after being controlled in the tone color in each of the series.
摘要翻译： 具有自动和弦演奏装置的电子乐器是一种类型，其中产生具有不同节奏图案的多系列不同色调的和弦音色。 该乐器采用一个存储器，用于每个节奏存储多个图案和多个节奏，以便同时获得每个节奏的多个系列的和弦音调。 从存储器读出图案作为音产生定时信号。 这些音调产生定时信号控制和弦音信号的包络的幅度。 这样控制的和弦音信号在每一系列的音色被控制之后产生。
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公开(公告)号：US4275634A
公开(公告)日：1981-06-30
申请号：US92082
申请日：1979-11-07
申请人： Akio Imamura , Eiichi Yamaga , Akira Nakada
发明人： Akio Imamura , Eiichi Yamaga , Akira Nakada
摘要： An electronic musical instrument is of a channel assignment type and simultaneously produces a plurality of tones in automatic arpeggio performance. For that purpose, the instrument incorporates a plurality of automatic arpeggio performance channels. An automatic arpeggio performance is carried out in accordance with an arpeggio pattern. In order to simultaneously produce a plurality of automatic arpeggio tones, the instrument assigns respective arpeggio composing tones for the plural arpeggio performance channels by using an arpeggio pattern for one-tone production and a change pattern obtained by adding change information to the arpeggio pattern. Thus an automatic performance of polyphonic arpeggio is realized.
摘要翻译： 电子乐器具有频道分配类型，同时在自动琶音演奏中产生多个音调。 为此，仪器包含多个自动琶音性能通道。 根据琶音模式进行自动琶音演奏。 为了同时产生多个自动琶音，仪器通过使用用于单音制作的琶音模式和通过将改变信息添加到琶音模式而获得的改变模式，为多个琶音性能频道分配相应的琶音组合音调。 因此实现了多声琶音的自动演奏。
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