公开(公告)号：US4468996A

公开(公告)日：1984-09-04

申请号：US462254

申请日：1983-01-31

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H7/08 ,  G10H1/02 ,  G10H1/08 ,  G10H7/00 ,  G10H7/06 ,  G10H1/06

CPC分类号： G10H7/06 ,  G10H1/02

摘要： A keyboard operated electronic musical instrument is disclosed which has a number of tone generators that are assigned to actuated keyswitches. Logic is provided for generating a note range signal for each preselected group of contiguous keyswitches in which the note range signal is selected for an actuated keyswitch. Musical effects such as vibrato and tone changes are selectively actuated in response to the note range signal. A mixture tone generator is described which uses a single set of harmonic coefficients which are translated and shifted in response to the note range signal.

摘要翻译： 公开了一种键盘操作的电子乐器，其具有分配给致动的钥匙开关的多个音调发生器。 逻辑被提供用于为每个预选的连续按键开关组生成音符范围信号，其中为驱动的键开关选择音符范围信号。 响应于音符范围信号选择性地启动诸如颤音和音调变化的音乐效果。 描述了使用响应于音符范围信号而被翻译和移位的单组谐波系数的混合音调发生器。

公开(公告)号：US4453441A

公开(公告)日：1984-06-12

申请号：US447080

申请日：1982-12-06

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H7/08 ,  G10H1/043 ,  G10H1/06 ,  G10H7/10

CPC分类号： G10H1/06 ,  G10H7/105

摘要： A keyboard operated electronic musical instrument is disclosed which has a number of tone generators that are assigned to actuated keyswitches. A tone generation computation means is implemented using a combination of an even symmetric function and an odd symmetric function. One of these functions is scaled in magnitude in response to a modulation control signal. The scaled and unscaled functions are combined to produce a musical waveshape which is frequency modulated by changes in the level of the modulation control signal.

摘要翻译： 公开了一种键盘操作的电子乐器，其具有分配给致动的钥匙开关的多个音调发生器。 使用偶对称函数和奇对称函数的组合来实现音调生成计算装置。 这些功能中的一个响应于调制控制信号被大小地缩放。 缩放和未缩放的功能被组合以产生由调制控制信号的电平的变化进行频率调制的音乐波形。

公开(公告)号：US4354414A

公开(公告)日：1982-10-19

申请号：US203021

申请日：1980-11-03

申请人： Ralph Deutsch ,  Leslie J. Deutsch

发明人： Ralph Deutsch ,  Leslie J. Deutsch

IPC分类号： G10H7/08 ,  G10H1/053 ,  G10H1/26 ,  G10H7/00 ,  G10H1/02

CPC分类号： G10H7/008 ,  G10H2210/221

摘要： A keyboard operated electronic musical instrument with polyphonic portamento and glissando effects in which each key controls one of a number of tone generators through a table of frequency numbers. The frequency transitions are achieved by subtracting the frequency number of a new note from the frequency number controlling the current frequency of an assigned tone generator. A predetermined fraction of the difference is stored in increment registers and added successively to the frequency numbers of the current notes until these numbers are equal to the frequency number of the new note. The addition rate, which determines the frequency transition time, is adjustable by means of a variable frequency time clock. The assignment of the tone generators to the actuated keyswitches is accomplished in a manner which prevents objectionable frequency cross-over transitions even when the number of notes in successive chords is changed.

摘要翻译： 键盘操作的电子乐器，具有复音音色和格里松特效果，其中每个键通过频数表控制多个乐音发生器中的一个。 通过从控制分配的音调发生器的当前频率的频率号中减去新音符的频率数来实现频率转换。 差异的预定分数存储在增量寄存器中，并且连续地添加到当前音符的频率号，直到这些数字等于新音符的频率数。 确定频率转换时间的加法率可通过可变频率时钟调节。 音调发生器对致动的钥匙开关的分配以防止不利的频率交叉转换的方式实现，即使连续和弦中的音符的数量改变。

公开(公告)号：US4350072A

公开(公告)日：1982-09-21

申请号：US257069

申请日：1981-04-24

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H7/08 ,  G10H1/00 ,  G10H7/04 ,  G10K15/08 ,  G10H1/02

CPC分类号： G10H1/0091 ,  G10H7/04 ,  G10H2210/281 ,  Y10S84/04 ,  Y10S84/26

摘要： A reverberation effect is produced in a musical tone generator of the type in which waveshape data points are sequentially and repetitively read out of a memory at a rate corresponding to the fundamental pitch of a musical tone. The reverberation effect is obtained by having a second memory storing waveshape points which are read out simultaneous with those from the first memory. The second data set is scaled by the ADSR envelope function and at selected echo time spacings is pointwise added to the data stored in the first memory. The data read out of the first memory is converted to an analog musical signal having a reverberation effect during the attack or release phase of the musical tone.

摘要翻译： 这种类型的乐音产生器产生混响效果，其中波形数据点以对应于乐音的基音间隔的速率从存储器中被顺序地重复地读出。 通过使第二存储器存储与第一存储器同时读出的波形点来获得混响效果。 第二数据集由ADSR包络函数缩放，并且在选择的回波时间间隔被点加到存储在第一存储器中的数据。 从第一存储器读出的数据在音乐的攻击或释放阶段被转换成具有混响效果的模拟音乐信号。

公开(公告)号：US4342248A

公开(公告)日：1982-08-03

申请号：US218884

申请日：1980-12-22

申请人： Ralph Deutsch ,  Leslie J. Deutsch

发明人： Ralph Deutsch ,  Leslie J. Deutsch

IPC分类号： G10H7/08 ,  G10H1/10 ,  G10H1/22 ,  G10H7/06 ,  G10H1/02

CPC分类号： G10H1/10 ,  G10H7/06 ,  G10H2240/145 ,  Y10S84/02 ,  Y10S84/04

摘要： A keyboard operated electronic musical instrument in which a number of tone generators are assigned to actuated keyswitches. When a keyswitch is actuated, a tone generator is assigned with a musical waveshape selected from a library of waveshapes which are ordered in a predetermined arrangement. The assignment of waveshapes is made in a priority order according to the musical frequencies associated with the actuated keyswitches so that a chorus effect is obtained in which each note of a group of simultaneous notes has its own tone color. The assignment of waveshapes is made in an adaptive manner so that the melody line retains its own distinctive sound even when the number of notes played simultaneously on a keyboard changes. Vibrato effects can selectively be applied to any of the set of waveshapes.

摘要翻译： 一种键盘操作的电子乐器，其中多个音调发生器分配给致动的钥匙开关。 当钥匙开关被致动时，乐音发生器被分配有从按照预定布置排列的波形库中选择的音乐波形。 波形的分配根据与致动的键开关相关联的音乐频率以优先顺序进行，使得获得合唱效果，其中一组同时音符的每个音符具有其自己的音色。 波形的分配是以自适应的方式进行的，因此即使在键盘上同时播放的音符数量发生变化时，旋律线也保留其自己独特的声音。 振动效应可以选择性地应用于任何一组波形。

公开(公告)号：US4331058A

公开(公告)日：1982-05-25

申请号：US209775

申请日：1980-11-24

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H1/18 ,  G10H1/38 ,  G10H1/46 ,  G10H7/08 ,  G10H7/10 ,  G10H1/02

CPC分类号： G10H1/38 ,  G10H1/46 ,  G10H7/105 ,  G10H2250/481

摘要： A keyboard operated electronic musical instrument having a number of keyboards in which the loudness balance of the accompaniment keyboards are adaptively maintained at a preselected loudness ratio with respect to the solo keyboard. The loudness balance is automatically maintained as the tone switches are altered and as the number of actuated notes varies on the keyboards. The balance ratio is accomplished by adaptively scaling the harmonic coefficients used in a discrete Fourier transform to generate the tones for the accompaniment keyboards.

摘要翻译： 具有多个键盘的键盘操作电子乐器，其中伴奏键盘的响度平衡相对于独奏键盘自适应地保持在预选的响度比。 当音调开关被改变并且随着键盘上激活的音符的数量变化时，响度平衡被自动维持。 平衡比通过自适应地缩放在离散傅里叶变换中使用的谐波系数来产生伴奏键盘的音调来实现。

公开(公告)号：US4300434A

公开(公告)日：1981-11-17

申请号：US150493

申请日：1980-05-16

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H1/14 ,  G10H7/04 ,  G10H7/08 ,  G10H7/10 ,  G10H1/02

CPC分类号： G10H7/04 ,  G10H7/08 ,  G10H7/10 ,  G10H2250/191 ,  G10H2250/481

摘要： In a musical instrument having one or more tone generators in which a plurality of data words corresponding to the amplitudes of a corresponding number of evenly spaced points defining the waveform of one cycle of an audio signal are transferred sequentially from a note register to a digital-to-analog converter in repetitive cycles at a rate proportional to the pitch of the tone being generated, apparatus is provided for varying the spectral content of the tone in response to control signals. A loudness control signal causes loud tones to be produced with a greater number of harmonics than those for a soft tone. A formant control signal also causes the tones to have a time variant spectral quality.

摘要翻译： 在具有一个或多个音调发生器的乐器中，其中对应于定义音频信号的一个周期的波形的相应数量的均匀间隔的点的幅度的多个数据字从音符寄存器顺序地传送到数字 - 模拟转换器以与生成的音调的音调成比例的速率在重复周期中提供装置，用于响应于控制信号改变音调的频谱内容。 响度控制信号会产生比用于柔和音调的谐波更大数量的高音。 共振峰控制信号也使音调具有时变频谱质量。

公开(公告)号：US4214503A

公开(公告)日：1980-07-29

申请号：US19318

申请日：1979-03-09

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H1/057 ,  G10H1/46 ,  G10H7/08 ,  G10H1/02

CPC分类号： G10H1/0575 ,  G10H1/46

摘要： In a musical keyboard instrument of a type having a number of tone generators substantially less than the number of keys, one of the tone generators being assigned to a key when activated, the pitch of the tone generator being set by the particular key, apparatus is provided for maintaining a constant audible loudness level to the listener from the tone generator regardless of the pitch of the tone generator. A plurality of sets of amplitude values are stored in a memory, each set including one value for each key. Each set of values corresponds to a particular loudness level. The envelope amplitude of the tone generator output is controlled to produce the same loudness level for all notes by addressing a set of values according to the selected loudness level and addressing a particular value according to which key is activated. An amplitude value is selected which is then used to control the envelope amplitude of the tone generator output signal. The amplitude value is used by the attack, decay, sustain and release amplitude generator such that the instantaneous envelope amplitude is always proportional to the selected amplitude value.

摘要翻译： 在具有基本上小于键数量的多个音调发生器的类型的音乐键盘乐器中，一个音调发生器在激活时被分配给一个键，音调发生器的音调由该特定键设备设置 用于不管音调发生器的音调如何，从音调发生器向收听者维持恒定的可听响度。 多组振幅值存储在存储器中，每组包括每个键的一个值。 每组值对应于特定的响度级别。 控制乐音发生器输出的包络幅度，以便通过根据选择的响度级别寻址一组值并根据哪个键被激活来寻址特定值来为所有音符产生相同的响度。 选择振幅值，然后将其用于控制​​乐音发生器输出信号的包络幅度。 振幅值由攻击，衰减，维持和释放振幅发生器使用，使得瞬时包络幅度总是与选定的振幅值成正比。

公开(公告)号：US4205577A

公开(公告)日：1980-06-03

申请号：US898720

申请日：1978-04-24

申请人： Ralph Deutsch

发明人： Ralph Deutsch

IPC分类号： G10H1/08 ,  G10H7/10 ,  G10H1/00 ,  G10H5/00

CPC分类号： G10H7/105 ,  G10H1/08 ,  G10H2230/255 ,  Y10S84/09

摘要： A polyphonic tone synthesizer in which two or more distinct voices are sounded by operation of a single key. While the voices have the same fundamental frequency, they are made audibly distinct by differing in harmonic content and differing in the shape of the envelope of the voice signal. The two or more voices are synthesized by alternately calculating master data lists of the amplitude values representative of points on the waveforms of the two voices, adding the two master data lists and converting the resulting values to an analog waveform by feeding the data to a digital-to-analog converter at a rate determined by the fundamental frequency of the note. The master data list for each voice is calculated repetitively during the time the key is operated by multiplying a set of coefficients with a set of sinusoid values and continuously scaling the resultant product by an envelope scale factor which changes with time to correspond to the desired envelope waveform. A single ADSR (attack/decay) generator may be time shared with each voice calculation to provide a differently changing envelope scale factor for each voice.

摘要翻译： 通过单个键的操作来发出两个或多个不同声音的复音音调合成器。 虽然声音具有相同的基频，但是由于声音信号的包络线的谐波含量不同和声音形状不同，所以声音区别。 通过交替地计算表示两个声音的波形上的点的幅度值的主数据列表来合成两个或更多个声音，添加两个主数据列表，并将得到的值转换为模拟波形，通过将数据馈送到数字 模拟转换器以由音符的基本频率确定的速率。 在键操作期间，通过将一组系数与一组正弦曲线值相乘来重复地计算每个声音的主数据列表，并且将所得乘积连续缩放以随时间变化以对应于期望的信封的包络比例因子 波形 单个ADSR（攻击/衰减）发生器可以与每个语音计算共享，以为每个声音提供不同变化的包络比例因子。

公开(公告)号：US4205576A

公开(公告)日：1980-06-03

申请号：US950786

申请日：1978-10-12

申请人： Ralph Deutsch ,  Leslie J. Deutsch

发明人： Ralph Deutsch ,  Leslie J. Deutsch

IPC分类号： G10H7/08 ,  G10H1/10 ,  G10H1/18 ,  G10H1/26 ,  G10H1/36 ,  G10H1/00 ,  G10H5/00

CPC分类号： G10H1/10 ,  G10H1/36 ,  G10H2210/565 ,  Y10S84/22

摘要： An electronic digital type organ having one or more keyboards generating two or more harmonically related tones in response to keying a melody monophonically on one of the keyboards. The harmonic tones may be of different tonal quality, so as to produce the effect of different instruments. The harmonic tones are generated automatically at a pitch determined by either the next lowest note to the accompaniment notes played on another keyboard or, if no other key is depressed, a pitch that is determined by the melody note and stored half-tone interval information.

摘要翻译： 一种具有一个或多个键盘的电子数字式机构，响应于将单声道上的旋律键入到一个键盘上，产生两个或多个谐波相关音调。 谐波色调可能具有不同的音调质量，从而产生不同乐器的效果。 谐音色调以由另一个键盘上播放的伴奏音符的下一个最低音符确定的音调自动产生，或者如果没有其他键被按下，则由音调音符和存储的半色调间隔信息确定的音高。