公开(公告)号：US5202528A

公开(公告)日：1993-04-13

申请号：US683339

申请日：1991-04-10

申请人： Makoto Iwaooji

发明人： Makoto Iwaooji

IPC分类号： G10H1/38 ,  G10G1/00 ,  G10H1/00 ,  G10H1/12 ,  G10H3/12

CPC分类号： G10H1/12 ,  G10H3/125 ,  G10H2210/066 ,  G10H2250/091 ,  Y10S84/09

摘要： A voice input to a microphone is converted by an A/D converter to a digital signal which is then delivered to a DSP, which extracts the notes of the input voice for determining same. The processing by the DSP includes bandpass filtering with a frequency corresponding to each note as the central frequency. A plurality of notes is processed on a time divisional basis to determine their respective notes. A new musical sound electronically corresponding to one or more notes extracted as the result of the note detection is then generated on a real time basis.

摘要翻译： 麦克风的声音输入由A / D转换器转换成数字信号，然后传送给DSP，DSP提取输入声音的音符以进行确定。 DSP的处理包括具有对应于每个音符的频率的带通滤波作为中心频率。 多个笔记在时间分割的基础上进行处理，以确定它们各自的笔记。 电子对应于作为笔记检测结果提取的一个或多个音符的新音乐声音随后被实时地生成。

公开(公告)号：US5001960A

公开(公告)日：1991-03-26

申请号：US362830

申请日：1989-06-07

申请人： Hitoshi Katou

发明人： Hitoshi Katou

IPC分类号： G10H1/00 ,  G10H3/12

CPC分类号： G10H3/125 ,  G10H1/0066 ,  G10H2210/066 ,  G10H2210/201

摘要： An input waveform signal representing, for example, a string oscillation is input to a pitch extraction circuit. The pitch extraction circuit extracts a pitch frequency from the input waveform signal, and this pitch frequency is input to a RAM connected to a CPU. On the other hand, LFO data from an LFO is input to a RAM. The CPU detects the amount of variation of the pitch frequency based on the pitch frequency and coverts the amount of variation of the pitch frequency in accordance with a predetermined conversion function. Thereafter the converted value is added to the LFO data to form musical sound control data for imparting a tremolo effect or a vibrato effect. The musical sound production circuit thereby imparts the above effect to the musical sound to be produced.

摘要翻译： 表示例如串振荡的输入波形信号被输入到音调提取电路。 音调提取电路从输入波形信号中提取音调频率，并且该音调频率被输入到连接到CPU的RAM。 另一方面，来自LFO的LFO数据被输入到RAM中。 CPU基于音调频率来检测音调频率的变化量，并且根据预定的转换功能来覆盖音调频率的变化量。 此后，将转换的值添加到LFO数据以形成用于施加颤音效果或颤音效果的音乐声音控制数据。 因此，音乐声音制作电路对要产生的音乐声音赋予上述效果。

公开(公告)号：US4884486A

公开(公告)日：1989-12-05

申请号：US344488

申请日：1989-04-27

申请人： Richard E. D. McClish

发明人： Richard E. D. McClish

IPC分类号： G01H1/14 ,  G10H1/12 ,  G10H3/12 ,  G10H3/18

CPC分类号： G01H1/14 ,  G10H1/12 ,  G10H3/125 ,  G10H3/186 ,  G10H2210/066 ,  Y10S84/09

摘要： The tone signal from a transducer monitoring the music vibrations of a bowed musical instrument contains an objectionable friction noise component which is removed by passing the tone signal through a high-pass filter having a variable cutoff frequency which is controlled by a pitch detector monitoring the fundamental frequency of a played note in the tone signal. The cutoff frequency of the filter is kept slightly below the fundamental frequency of the played note to avoid altering the tone color of the tone signal. When no fundamental frequency is detected by the pitch detector, the cutoff frequency of the filter remains at a pre-determined minimum which may be adjustable by the musician for best effect when strings are both bowed and plucked. The filtered tone signal may be applied to the pitch detector in order to increase the accuracy of the pitch detection process and thus increase the accuracy of the noise reducing characteristics of the system.

摘要翻译： 来自监测鞠躬乐器的音乐振动的换能器的音调信号包含令人讨厌的摩擦噪声分量，其通过使音调信号通过具有可变截止频率的高通滤波器来去除，该高通滤波器由音调检测器控制，监视基波 在音频信号中播放音符的频率。 滤波器的截止频率保持略低于播放音符的基频，以避免改变音调信号的音色。 当音调检测器没有检测到基频时，滤波器的截止频率保持在预定的最小值，音乐人可以通过音乐家的调节来最大限度地发挥弦乐的作用。 滤波后的音调信号可以被施加到音调检测器，以便提高音调检测处理的精度，从而提高系统的降噪特性的精度。

公开(公告)号：US4867028A

公开(公告)日：1989-09-19

申请号：US217033

申请日：1988-07-11

申请人： Peter S. Jones

发明人： Peter S. Jones

IPC分类号： G10H1/18 ,  G10H1/00 ,  G10H1/055 ,  G10H1/34 ,  G10H3/12 ,  G10H3/14

CPC分类号： G10H3/146 ,  G10H1/0556 ,  G10H1/342 ,  G10H2230/141 ,  Y10S84/12

摘要： A portable drum synthesizer is described having a pressure sensitive transducer adapted to be struck by the hand or fingers. The transducer output is switched to the trigger input of one or more voice generating circuits by means of finger operated switches. Certain of the finger operated switches additionally control the pitch or other parameters of the one or more voice generating circuits. The one or more voice generating circuits are optionally contained within the portable synthesizer which can take the general form of a guitar.

摘要翻译： 描述了一种便携式鼓式合成器，其具有适于被手或手指敲击的压敏传感器。 传感器输出通过手指操作的开关切换到一个或多个语音产生电路的触发输入。 手指操作开关中的某些另外控制一个或多个语音产生电路的音高或其它参数。 一个或多个语音产生电路可选地包含在可以采用吉他的一般形式的便携式合成器内。

公开(公告)号：US4841827A

公开(公告)日：1989-06-27

申请号：US252914

申请日：1988-10-03

申请人： Shigeru Uchiyama

发明人： Shigeru Uchiyama

IPC分类号： G10H1/46 ,  G10H3/12 ,  G10H7/00

CPC分类号： G10H1/46 ,  G10H3/125 ,  G10H7/00 ,  G10H2210/066 ,  Y10S84/10

摘要： An input waveform signal is converted into a digital peak value signal by an A/D converter, and the digital peak value signal is input to one input terminal A of a comparator. The other input terminal B of the comparator receives a preset digital peak value signal from a memory. These input signals are compared by the comparator. The content of the memory is reduced at a predetermined rate. If the comparator detects that the currently input waveform level is larger than the continuously reduced level of the memory, i.e., if A>B, a new waveform level is loaded in the memory. As a result, the output from the comparator is inverted. That is, condition A>B is changed into condition A

公开(公告)号：US4817485A

公开(公告)日：1989-04-04

申请号：US792042

申请日：1985-12-10

申请人： Terry Bozzio ,  Wayne Yentis

发明人： Terry Bozzio ,  Wayne Yentis

IPC分类号： G10H1/34 ,  G10H3/14 ,  G10H3/12

CPC分类号： G10H3/14 ,  G10H1/348 ,  Y10S84/12 ,  Y10S84/24

摘要： A pedal operated electronic drum. The electronic drum includes a pedal pivotally coupled to a base and a first striking or anvil element mounted on the base. A second striking or hammer element is operably coupled to the pedal so that depression of the pedal causes the hammer element to strike the anvil element. A transducer is acoustically coupled to the anvil element to convert impact induced vibrations in the anvil element into an electrical output signal. In one embodiment the hammer element is attached to a roller pivotally coupled to the base. A strap is wrapped about the roller and attached to the base so that depression of the pedal rotates the axle thereby causing the hammer element to strike the anvil element. In an alternative embodiment the strap is coupled to the pedal instead. Both of these embodiments may be adjusted to simulate the "feel" of a conventional pedal operated drum striking element. In yet another embodiment, the hammer and anvil elements are respectively attached to the base and pedal. A spring is disposed between the base and pedal to provide resistance and separation forces. Rapid depression of the pedal brings the hammer element into striking contact with the anvil element.

摘要翻译： 踏板操作电子鼓。 电子鼓包括枢转地联接到基座的踏板和安装在基座上的第一打击或砧座元件。 第二打击或锤击元件可操作地联接到踏板，使得踏板的下压使锤元件撞击砧座元件。 换能器声学耦合到砧座元件，以将砧座元件中的冲击感应振动转换为电输出信号。 在一个实施例中，锤元件附接到可枢转地联接到基座的辊。 带子被卷绕在辊子上并且附接到基座上，使得踏板的凹陷使轴线旋转，从而使锤元件撞击砧座元件。 在替代实施例中，带被耦合到踏板。 这些实施例都可以被调节以模拟传统的踏板操作鼓打击元件的“感觉”。 在另一个实施例中，锤和砧元件分别附接到基座和踏板。 弹簧设置在基座和踏板之间以提供阻力和分离力。 踏板的快速按压使锤元件与砧座元件紧密接触。

公开(公告)号：US4771671A

公开(公告)日：1988-09-20

申请号：US1813

申请日：1987-01-08

申请人： Marcian E. Hoff, Jr.

发明人： Marcian E. Hoff, Jr.

IPC分类号： A63J5/00 ,  G10G1/00 ,  G10H1/00 ,  G10H1/36 ,  G10H3/12 ,  G10H7/00

CPC分类号： G10H1/366 ,  G10H3/125 ,  G10H2210/066 ,  G10H2210/331 ,  G10H2210/541

摘要： An electronic entertainment device which allows an untrained vocalist or instrumentalist to easily synthesize an instrumental lead, and optionally, one or more harmonies, simultaneous with the lead, playing along with predefined background musical sequences. While the background parts to a song are being played by the device, or any outside musical player, the user plays the melody, or "lead", by humming, singing, whistling, or operating any tone-producing device, such as a musical instrument, into the device. The device then identifies the pitch, compares it with a table of allowable pitches, as dictated by predefined data associated with the background music, chooses an appropriate output tone, and drives a music synthesizer to play the chosen instrument at the determined pitch, in accordance with the allowable pitches. The note which is produced by the device is one which sounds pleasing in the context of the musical background. The device facilitates an active involvement in music expression without a need for well developed skills as a vocalist or instrumentalist.

摘要翻译： 一种电子娱乐装置，其允许未经训练的歌手或乐器演奏者容易地与乐器导线合成，以及可选地与导线同时进行一个或多个和声，与预定义的背景音乐序列一起播放。 虽然设备或任何外部音乐播放器正在播放歌曲的背景部分，但是用户通过哼唱，唱歌，吹口哨或操作诸如音乐的任何音调产生设备来播放旋律或“引导” 仪器，进入设备。 然后，设备识别音调，将其与允许音高的表进行比较，如与背景音乐相关联的预定义数据所规定的，选择适当的输出音，并且驱动音乐合成器以所确定的音调播放所选择的乐器，按照 具有允许的间距。 由设备产生的音符是在音乐背景的背景下听起来令人愉快的音符。 该设备有助于积极参与音乐表达，而不需要作为歌手或乐器演奏者的良好发展的技能。

公开(公告)号：US4633748A

公开(公告)日：1987-01-06

申请号：US583091

申请日：1984-02-23

申请人： Susumu Takashima ,  Toyotarou Tokimoto ,  Kazuyuki Kurosawa

发明人： Susumu Takashima ,  Toyotarou Tokimoto ,  Kazuyuki Kurosawa

IPC分类号： G10H3/12 ,  G10H5/00 ,  G10H7/00

CPC分类号： G10H5/005 ,  G10H3/125 ,  G10H2210/066 ,  Y10S84/29

摘要： An electronic musical instrument comprising detection means to detect time positions of an initial part and a terminal part of a voice, extraction means to extract pitch data of the voice, a plurality of processing means to subject the pitch data to different processing operations, means to successively select the processed pitch data of the plurality of processing means in correspondence with the respective detected time positions, and musical sound production means to produce a musical sound on the basis of the processed pitch data delivered from the selection means.

摘要翻译： 一种电子乐器，包括用于检测语音的初始部分和终端部分的时间位置的检测装置，用于提取语音的音调数据的提取装置，用于对音调数据进行不同处理操作的多个处理装置， 对应于检测到的时间位置连续地选择多个处理装置的处理后的音调数据，以及音乐声音产生装置，根据从选择装置发送的处理的音调数据产生音乐声音。

公开(公告)号：US4581973A

公开(公告)日：1986-04-15

申请号：US665779

申请日：1984-10-29

申请人： Yoshiki Hoshino

发明人： Yoshiki Hoshino

IPC分类号： G10D13/02 ,  G10H1/34 ,  G10H3/12 ,  G10H3/14

CPC分类号： G10H3/12 ,  G10D13/024 ,  G10H3/146 ,  G10H2230/275 ,  Y10S84/12

摘要： A pad for an electronic drum has a vibration responsive plate that is mounted on a cushion and has on its upper surface a relatively thin buffer pad, the plate having cushioning means on its outer edge between it and peripheral supporting structure, and a drumhead stretched directly over the buffer pad and retained by a cover member held in spaced relation from the plate, so that the feel of the pad is quite natural to the player and that vibrations from the frame or supporting structure are insulated from the plate, and that the plate vibrations are not adversely affected, the plate carrying a microphone or other sound pick-up means.

摘要翻译： 用于电子鼓的垫具有安装在缓冲垫上的振动响应板，并且在其上表面上具有相对较薄的缓冲垫，该板在其外边缘之间具有缓冲装置，其周边支撑结构和直接拉伸的鼓头 在缓冲垫上并且由与板平行地保持的盖构件保持，使得垫的感觉对于玩家来说是相当自然的，并且来自框架或支撑结构的振动与板绝缘，并且板 振动不会受到不利影响，板上携带麦克风或其他拾音装置。

公开(公告)号：US4202237A

公开(公告)日：1980-05-13

申请号：US886615

申请日：1978-03-14

申请人： Bjarne C. Hakansson

发明人： Bjarne C. Hakansson

IPC分类号： G10H1/00 ,  G10H1/08 ,  G10H3/12 ,  G10H7/00 ,  G10H5/06 ,  G10H5/10

CPC分类号： G10H1/08 ,  G10H3/125 ,  G10H2210/066 ,  Y10S84/11

摘要： The device of the invention extracts a fundamental frequency from signals coming from a played musical instrument. From this is synthesized a waveform with the same fundamental frequency which can be given an arbitrary form, so that an audical impression of e.g. a violin, a trumpet or a guitar can be given to sound produced by the waveform. The waveform is produced by making a pulse train with frequency n times the fumdamental frequency, leading the pulse train to a counter activating cyclically and sequentially n different outputs. The outputs are summed with different and adjustable weights, and the waveform is determined by adjusting the n weights. The number n can be any number. An embodiment is shown with n=16.

摘要翻译： 本发明的装置从播放的乐器的信号中提取基频。 由此可以合成具有相同基频的波形，该波形可被赋予任意形式，从而可以获得例如声音的声像。 可以给小提琴，小号或吉他给出由波形产生的声音。 通过使频率为傅立叶频率的n倍的脉冲序列产生波形，将脉冲序列引导到计数器周期性地和顺序地激活n个不同的输出。 输出与不同的和可调整的权重相加，波形通过调整n个权重来确定。 数字n可以是任何数字。 显示n = 16的实施例。