Yamaha Corporation

Nippon Gakki Seizo Kabushiki Kaisha

Kotaro Mizuno

Yasushi Kurakake

Hideo Suzuki

Takeshi Adachi

Eisaku Okamoto

Fumio Iwase

Akira Nakada

Takatoshi Okumura

Shigeru Yamada

Yasuhiko Asahi

Yasunao Abe

Mamoru Kimpara

Akira Tozuka

Yasushi Sakurai

Katsuya Tanaka

Shoji Tokunaga

A speaker unit mounting structure includes a provisionally fastening mechanism for fastening a speaker unit to a ceiling with a cabinet section of the speaker unit inserted in a mounting hole of the ceiling. The provisionally fastening mechanism includes a provisionally fastening tab formed of resilient metal, fixed to the outer peripheral side surface of the cabinet section and having a stepped engaging section engageable with the inner peripheral edge portion of the mounting hole. Engagement of the engaging section with the inner peripheral edge portion of the mounting hole can be canceled by a human operator pressing, from the face side of the ceiling, an operating section of the tab, exposed to a gap between the front side and a flange portion of the speaker unit, to thereby resiliently deform the operating section.

Speaker unit and speaker unit mounting structure

An electronic musical instrument cooperates with a MIDI instrument to generate musical tones in a desired manner which is arbitrarily set by a human operator. The electronic musical instrument has a plurality of MIDI channels for receiving performance data from the MIDI instrument as well as a memory, a keyboard, a visual display section and panel switches. The human operator manually operates the panel switches to designate functions, which can be adjusted or changed by the MIDI instrument during progression of musical performance played by the keyboard of the electronic musical instrument. For this reason, at least one MIDI channel is used to control the panel control event. The memory stores information representing relationship between note numbers, panel control events and the functions. The human operator is capable of editing content of the information, stored by the memory, in cooperation with the visual display section such that a panel control event, together with two functions, are assigned to a desired note number and a manner of execution of the two functions is arbitrarily set. Thus, the setting of the electronic musical instrument can be easily adjusted or changed by the MIDI instrument during progression of the musical performance.

Electronic musical instrument

A selector is provided for selecting a predetermined effect. Instruction as to whether this effect should be imparted or not is not made instantly in response to an output of this selector but made in association with instruction of start of tone generation by a key-on event signal. For example, even when a state in which an effect is selected is brought about in the course of generation of a tone without selecting an effect, this effect is not imparted to the tone which is currently being generated. Upon instruction of generation of another new tone in this state, instruction of imparting of the effect is made for the new tone so that the effect is imparted to the new tone from the start of generation of the tone. Conversely, when a state in which no effect is selected is brought about in the course of generation of a tone which is imparted with an effect, the effect is kept imparted to the tone which is currently being generated until generation of the tone is ended.

Electronic musical instrument controlling impartment or non-impartment

An electronic musical instrument is disclosed wherein the musical tone parameter such as the tone volume, tone color, acoustic reverberation, pan-pot and the like can be varied over time. The invention provides an electronic musical instrument including an operational device, a memory, a readout section, a control section and a tone generator. The operational device can be implemented in a stick type operator for example. The operational device generates operational data which vary over time in response to operations applied thereto. The operational data generated by operational device are consecutively stored in the memory. The readout section can be implemented in a CPU for example and consecutively reads out the operational data from the memory. The control section can be implemented in a CPU for example and generates a musical tone parameter which varies over time on the basis of data consecutively read out from the memory. The tone generator generates musical tones on the basis of a musical tone parameter. In this electronic musical instrument, the musical tone parameter of generated musical tones can be continuously varied over time in response to the operational data which are consecutively read out from the memory.

Electronic musical instrument for controlling musical tone with

An electronic musical instrument capable of generating musical sounds of a plurality of tone colors simply by designating a plurality of tone colors simultaneously in the tone color switches. The tone color switches may be provided in a front panel adjacent a keyboard.

Electronic musical instrument with tone color setting switches

An electronic musical instrument provides a keyboard providing plural keys, memories for storing necessary programs and data, a musical tone signal generating circuit providing plural channels and a control unit such as a micro computer. A melody tone is designated by depressing a melody key within the keyboard. Then, an additional tone is automatically generated in relation to the melody tone by executing the programs, wherein its pitch, volume and tone color are controlled by the control unit. The melody tone and additional tone are assigned to desirable channels, from which the melody tone and additional tone are generated at different phonic positions. By varying the number of forming pattern of additional tones, it is possible to carry out the performance full of variety. Preferably, the additional tone is selected identical to a chord constituent note within a chord designated by performing the keyboard.

Electronic musical instrument with a melody and rhythm generator

There is provided an electronic musical instrument capable of sounding plural musical tones, e.g., first and second musical tones, having different tone colors, to each of which the performer can impart a different pitch-bend-effect independently. As a means for imparting the pitch-bend-effect, there is provided a wheel-type control. In addition, this system also provides first and second modes. In the first mode, different variation widths of pitch-bend-effects are respectively imparted to the first and second musical tones on the basis of the control input given by operating the wheel-type control. In the second mode, the same variation width of pitch-bend-effect is imparted to the first and second musical tones on the basis of the control input given by operating the wheel-type control.

An electronic musical instrument is provided with tone color specifying switch, musical style specifying switch and device for deciding the joint of melody tones based on the tone color and musical style specified by these switches. A new-timing melody tone is decided to be jointed with a preceding timing melody tone, based on the specified tone color and musical style, in the state of melody tone joint, for example legato state or nonlegato state, during the preceding timing melody tone is being generated.

Electronic musical instrument with automatic control of melody tone in

An electronic musical instrument having a key-depression-detecting circuit for detecting a depressed key on a keyboard and for generating tone-pitch data corresponding to the depressed key, a tone-color-designating circuit for sequentially designating a desired tone color among a plurality of tone colors, a tone-color-data-storing circuit for storing tone-color data associated with the tone colors sequentially designated by the tone-color-designating circuit, an ensemble-tone-designating circuit for designating a predetermined number of tone colors among the most recently designated tone-color data stored in the tone-color-data-storing circuit; and a musical-tone-signal-generating circuit for generating a plurality of musical-tone signals in a parallel fashion, each of the musical-tone signals having a tone color corresponding to one of the tone colors designated by the ensemble-tone-designating circuit, and having a tone-pitch corresponding to the tone-pitch data generated by the key-depression-detecting circuit. The invention facilitates the selection of a desired combination of instrument sounds in an ensemble as well as changing the combination.

Ensemble tone color generator for an electronic musical instrument

A tone visualizing apparatus for visualizing an inputted audio signal to thereby display an image corresponding to this audio signal includes at least a detector, image display (such as a CRT display unit) and display controller. The detector detects characteristics of the audio signal such as envelope, chord, spectrum signal components, number of zero-cross points and energy of the audio signal. The image display displays an image based on given image information which can be generated from a video tape recorder (VTR), a video disk unit or an image memory constituted by a semiconductor memory. The display controller controls the image display so that a display parameter of the image will be controlled based on the detected characteristics of the audio signal. For example, the display parameter can be set as size, brightness or colors of the image. Thus, the image is controlled so that the impression of the image will be matched with that of the audio tone.

Tone visualizing apparatus

A musical tone visualizing apparatus includes at least an image memory for storing plural images relating to players and/or musical instruments of an orchestra, a display unit for displaying the images on a display screen thereof and a display control circuit for controlling the display unit so that displayed images can be varied in response to an inputted musical tone signal or inputted performance information outputted from an electronic musical instrument, for example. Hence, it is possible to move the players and musical instruments in response to performance of the electronic musical instrument, and it is also possible to selectively enlarge one display image of the player and musical instrument whose tone volume is the largest. Thus, the displayed images can be automatically varied in response to the performance of the electronic musical instrument.

Musical tone visualizing apparatus which displays an image of an

An electronic musical instrument can be provided with a control unit capable of arbitrarily shifting a tone pitch of a key within a keyboard from its reference tone pitch. This control unit includes a plurality of pitch-bend switches to which predetermined pitch values are respectively assigned. Each of these pitch-bend switches has a shape which can be easily operated by a player with high speed. The tone pitch of each key can be incremented or decremented by the predetermined pitch value from its reference tone pitch when the switches are operated by the player.

Control unit for electronic musical instrument

An automatic performance apparatus which records a performance state in the form of performance data in a storage means, and plays back a performance based on the performance data read out from the storage means In a record mode, a chord detection means discriminates whether or not a chord has been established. If a chord has been established, then chord information is written in memory. If a chord has not been established, then tone information including key-on information or a note portion of key-on information, excluding octave information, is written in memory. The automatic performance apparatus enables the use of a storage means having a greatly reduced storage capacity as compared to a prior art one, and pitch or note information designated at a keyboard or the like are recorded/played back as performance data without modification.

Automatic performance apparatus for an electronic musical instrument

A new automatic accompaniment apparatus for sequentially reading out at a predetermined tempo accompaniment pattern information, including interval shift information, stored in a pattern memory and then generating tones of a designated chord, designated by a chord designatin means such as a keyboard, based on the accompaniment pattern information, thereby performing an accompaniment performance. The new automatic accompaniment apparatus, when the interval shift information is read out, will play a chord which is constituted by shifting intervals of part or all of the constituting tones of the designated chord in place of the designated chord, thus enabling an accompaniment performance rich in variety to be played as compared with a conventional apparatus having a memory capacity equivalent to that of the present accompaniment apparatus.

Automatic accompanying apparatus for an electronic musical instrument

An automatic performing apparatus for use in an electronic musical instrument stores chord name data and chord generation timing data to carry out an automatic chord performance. In spite of frequent variations of a chord during the progression of a music piece, repetitive storage of a same chord name data is not required so that the amount of stored data can be reduced, allowing utilization of a memory of a small capacity.

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Hamamatsu, Japan

Kotaro Mizuno