JPH02297595A - Electronic taisho-koto - Google Patents

Abstract

PURPOSE:To simplify the maintenance and to surely and exactly adjust the musical scale by synthesizing electronically the musical scale selected by a musical scale selecting means and outputting a sound signal, and also, reading an amplitude variation of plural strings and adjusting the amplitude of a voice. CONSTITUTION:This TAISHO-KOTO (Japanese stringed instrument) has plural strings 22 for a musical performance, and also, the musical scale is selected by plural musical scale selecting means 23. The musical scale selected by these musical scale selecting means 23 is synthesized electronically as a sound signal of the TAISHO-KOTO by a voice synthesizing means 31, this sound signal is inputted to voice generating means 28, 32, and also, an amplitude variation of the string 22 is read by a pickup coil 27, and the amplitude of a voice generated from the voice generating means 28, 32 is adjusted by a voice amplitude adjusting means 33. In such a way, the maintenance is simplified, and also, any person can execute a musical performance by adjusting surely and exactly the musical scale.

Description

[Detailed Description of the Invention] Purpose of the Invention: (Industrial Application Field) This invention is an electronic device that electronically reads the amplitude changes of the strings being played and generates the a-color sound of the Taishogoto through voice synthesis. Regarding Taishogoto.

(Prior Art) In recent years, there has been a revival boom in Japanese classical musical instruments. Among them, the Taishogoto is played, III! It is particularly difficult for the agency to refer to the Taishogoto because it is not handled well.Also, the Taishogoto is said to be effective in preventing blurred vision in the elderly and has begun to be used in rehabilitation clinics.Figure 1 shows the conventional Taishogoto. The Taishogoto 1, which shows the front appearance, has N number of strings 3 strung in parallel in the center of the main body 2, which is a resonance box. In the center of these strings 3, several aWi keys 4 for selecting scales are lined up.

An upper cover 5 is attached to the upper part of the 8th floor key 4 for protection and decoration.

The left part of main body 2 is for adjusting the height of the scale of 9th string 3: J4g! There is also a knob 6 on the right side of the main body 2.
A hole 8 is provided for extracting the vibration a of the twisted string 3.

FIG. 2 shows the upper cover 5 removed from the main body 2.

A mounting member 10 is provided at the central portion of the main body 2 in the L direction, and the eighth floor key 4 is mounted to the member 10 so as to move up and down. Further, the main body 2 is loaded with a scale setting member 9 for setting a prescribed third scale between each scale key 4.

Next, in explaining the operation of this Taishogoto I, FIGS. 3(A) and 3(B) show the XX cross section of FIG. 1.

On this Taishogoto I, the scale key 4 is attached to the mounting 11 member lo as shown in +A+ in the same figure so that it can be pushed down by the spring 11, so that the scale key 4 does not come into contact with the strings 3. The same figure (in A+, the user is
When playing, press scale key 4 in the direction with the fingers of one hand, Q
As shown in Figure (B), the 1st string 3 is held between the 8th floor key 4 and the Ill setting member 9, and the 3rd floor of the string 3 is set. here,! J
Figure 1 M Kanade! Hold string 3 of 57 in the fingers of your other hand and pull it with a mic (and string 3 will vibrate.

Sound generated by the resonance of the main body 2 is emitted from the hole 8.

(Problem to be Solved by the Invention) However, the scale keys 4 and the scale setting member 9 are made of hard metal, and moreover, during performance, as shown in FIG. and the BN setting member 9. This action is repeated mechanically during the performance.

In other words, the first string 3 is always f-shaped as shown in Figure 534.

Mechanically stressed. So 1st string 3 is gold! Because of the IN direction, cracks 12 occur as shown in the figure, making it extremely easy to break the wire. For this reason, in the conventional Taishogoto I, it was necessary to frequently change the string 3. Moreover, since these multiple strings 3 are strung at extremely narrow intervals, the replacement λ is 0, which is the national seal.Furthermore, if the user δ is an elderly person like the one mentioned above, the first string 3 must be replaced to repair the disconnection. It was extremely difficult. Furthermore, since the scale of the Taisho koto is based on the chord of string 3, it required a high degree of skill even for ordinary people to adjust the scale to 3 using the JJ knob 6.

This invention was made from the above-mentioned circumstances,
An object of the present invention is to provide an electronic taishokoto that is easy to maintain and allows anyone to reliably and accurately adjust and play the scale.

Structure of the Invention: (Means for Solving the Problems) The present invention relates to an electronic taishokoto, and relates to a plurality of scales Ij! that selects a plurality of strings and a scale corresponding to these strings. Sawa means and
a voice synthesis means for electronically synthesizing the scales selected by the scale selection means and outputting a voice signal; a voice generation means for generating voice from the voice signal; This is achieved by comprising a sound amplitude adjusting means that reads each of the amplitude changes of the strings and adjusts the amplitude of the sound.

(Function) The electronic Taishogoto of this invention has a plurality of strings for playing and has an 8th floor. The scales selected by the scale selection means (3rd scale key, scale selection switch) are selected by the scale selection means of 1 loss, and the scales selected by these scale selection means are synthesized in a 14f manner as the Furukawa Iego of the Taishogoto by the voice synthesis means, and this audio signal is The sound generation means (amplification circuit, speaker) is manually powered, and the amplitude change of the first string is read by a pickup coil, and the sound amplitude adjustment means adjusts the amplitude of the sound emitted from the sound generation stage. In other words, the selection of the 8th floor is made electronically. Therefore, unlike the conventional Taishogoto, the number of strings does not easily break due to fatigue, etc. Therefore, this electronic Taishogoto is easy to maintain, and anyone can reliably and accurately adjust the M string. can play.

(Embodiment) FIG. 5 shows the front appearance of an electronic taishokoto 20 which is an embodiment of the present invention, and FIG. 6 shows the top cover 5 removed.

Next, the differences between the electronic taishokoto 20 of the present invention and the conventional taishokoto 1 will be briefly explained.

This electronic Taishogoto 20 is similar to the conventional Taishogoto 1 shown in FIG.
It has almost the same appearance. However, in this electronic taishokoto 20, the strings 22 are partially stretched on the left and right sides of the main body 21. This is the S in scale key 4 like the traditional Taishogoto l.
This is to eliminate mechanical scale selection. For more details,
In this electric Taishogoto 20, the strings 22 are connected to the main body 2 as shown in Figure 6.
It is divided into units 29A and 2913, which are easier to attach and detach than 1. What about unit 29A? A string 22 for Ji playing is stretched, and a pickup coil 27 for electrically detecting changes in the amplitude of the string 22 is provided below it. Also, the unit 29n is for decoration and does not function as the string 22 here. This unit 29B may be omitted. To the left of the pickup coil 27 is a speaker 28 that emits the sound of the taishokoto tone. 0 is provided at the upper center of the main body 21.

Similarly to the above, the scale key 23 is attached to the member 10. Further, here, a switch member 4I is provided at the F portion of the scale key 23. On the left side of the unit 29B, there is an adjustment polycoum 24 for adjusting the height of the 8th floor by 1 section.On the left side of the main unit 21, there is a tone adjustment for 11 sections of # amount, pitch, and timbre. The key 25 is on the right side, and the earphone jack 43. A power switch 26 is provided.

Figure 7 shows the main body 21 showing the Y-Y new moon in Figure 5.
A circuit board 30 on which an integrated circuit and a scale selection switch 40 are mounted is provided inside. The scale selection switch 40 is connected to the switch member 4I at the top and is turned on and off by moving the scale key 23 up and down. Moreover, a main body 2-day-old battery 42 is built-in.

Next, the inner R circuit of the electronic taishokoto 20 will be explained with reference to FIG.

The circuit board FIi 30 is supplied with power from the battery 42 via the power switch 26. The 0 circuit J5 board 30 synthesizes Taishogoto and other 0 colors using the sampling synthesis method, analysis-based synthesis method, etc. A voice synthesizing means 31 is provided. The speech synthesis means 31 includes
:A adjustment volume 24 and tone ffi section key 25 are connected, and the tone of the voice, the pitch of the scale, etc. are controlled by :J4! l! be done.

When the scale selection switch 40 is turned on, a scale signal SS according to each scale is manually inputted to the speech synthesis means 31. Further, the amplitude change of the string 22 is detected by the pickup fill 27, and this amplitude change is inputted to the audio amplitude adjustment means 33 as an amplitude signal GS. Audio amplitude y4g1
From the means 33, the audio signal O8 (
When the string is pulled from top to bottom), os' (when the string is pulled from bottom to top), the drive signal BS (when the string is pulled from top to bottom), and BSo (when the string is pulled from bottom to top) the amplification degree ji92 which adjusts the amplification degree of the amplifier circuit 32
A signal vS is output. The audio signals AS (when the string is pulled from the top to the bottom) and AS' (when the string is pulled from the bottom to the top) amplified by the amplifier circuit 32 are input to the speaker 28, and the speaker 28 outputs the sound of the Taishogoto tone. is emitted. Furthermore, the audio signals AS and AS' are outputted via the earphone jack 43 by switching between the speaker 28 and the speaker 28 .

With such a configuration, the operation of the electronic taishokoto 20 of the present invention will be explained.

First, before use, turn on the power switch 26 and turn the adjustment volume 24 of the electronic taishokoto 20 to adjust the pitch of the scale. When playing, press tone adjustment key 25 to JIlff.
i to set the timbre, volume, etc., and select the scale using the scale key 23 in the same way as the conventional Taishogoto 1.
The pickup coil 27 detects the change in Sw4 of the string 22 when the pickup coil 27 pulls the string 22 of the unit 29A.
is input to the speech synthesis means 3I. The audio signal O5 or O8' is input from the audio synthesis means 31 to the amplifier circuit 32. At this time, the amplifier circuit 32 includes an audio amplitude adjusting means 33.
Since the amplification degree adjustment signal vS is inputted from the speaker 28, an audio signal AS or 8S' proportional to the amplitude change of the string 22 is inputted to the speaker 28, and the speaker 28 emits a sound having the tone of the Taishogoto.

With this electronic taishokoto, the sound and volume of the sound change depending on the strength with which the string 22 is pulled and the direction, resulting in a more natural tone.

One row color 3III again! By pressing the l key 25 once, you can also generate the tones of other instruments.

Next, another embodiment of the electronic taishokoto of the present invention will be described.

FIG. 9 shows the front appearance of another electronic taishokoto 50 of the present invention.

Incidentally, the same members as those in the above figure will be described with reference numerals 11-.

First, the features of the electronic taishokoto 50 of the present invention will be explained. This electronic Taishogoto 50 has an added function for practicing the scales of the Taishogoto. Here, in order to realize the above function, for example, a plurality of Taishogoto songs for 8s lessons are displayed on the right side of the main body 21.

A card insertion slot 53 is provided into which a memory card 54, which is a memory means in which data is stored, is inserted. A card reader/writer 56 is provided behind the card insertion slot 53 for reading data from the memory card 54 and reading newly created data. The memory card 54 also has a storage medium such as magnetic,
Light, IC memory, etc. are used. A reset switch 51 for playing one of the two songs stored in the memory card 54 is provided on the right side of the card insertion slot 53. Light emitting means 55 such as lamps and LEDs that emit light in the order in which the notes of the song are played are embedded in the push buttons of the scale key 23A, respectively, in response to a drive signal TS manually inputted from a light emitting means driving circuit n59, which will be described later. The way the light emitting means 55 emits light is such that when, for example, the first note in the playing order emits light continuously, the next note flashes light at that time. Also, the color may be changed so that the beginning of the ai7 is red and the primary is the edge.To the right of the scale key 23A, there is a reset switch 51'c with the number of the selected song (for example!
, 2). 1. On the right side of the display section 52, there is a changeover switch 62 for switching the conditions when you want to listen to the song being played through the speaker 28.
Start switch 61 for starting the performance of a song
1 body with 2! An interface terminal 58 for input/output according to the MIDI standard is provided on the right side.

Next, the internal circuit formed on the circuit board 30A of the electronic taishokoto 50 of the present invention will be explained with reference to FIG.

The speech synthesis means 31A used here has the following functions in addition to the functions of the speech synthesis means 31.

(1) When the data KD1 is input from the card reader/writer 56, the DI is analyzed into the data, and the display means driving circuit 6
A display drive signal HS1 indicating the song number is input to 0.

Then, when a reset signal RS is inputted from the reset switch 51, music selection is performed based on the data KDI.

(2) Start signal SST from start switch 61
When this is input, the drive 1, PS No.

(3) Switching signal KKT from the switching switch 62
is input, the audio signals O3, O3 are input from the data KDI.
' is reproduced and input to the amplifier circuit 32 manually.

(4) Convert the song created by playing with the scale key 23AJ3 and strings 22 into data KD2, and convert it to data KD2,
The information is recorded on a writing memory card 54 inserted through the 6.

(5) The second device 1 (MID) via the interface 57
Raku21) with I standard and data ID of MIDI standard
give and receive.

In such a configuration, the operation of the electronic taishokoto 50 of the present invention will be explained.

First, an example using the memory card 54 will be described.

First, the δ to be used is determined in advance as 1 of the scale, etc.
Next to the 1m distance, there are several Taishogoto songs for practice.
A memory card 54 with data stored thereon is prepared, and this memory card 54 is inserted into the card insertion slot 53. The data KDI is read by the card reader/writer 56, inputted to the speech synthesis means 31A, and analyzed.

A display drive signal HS1 is input to the display drive circuit 60.A display signal H52 is input from the display drive circuit 60 to the display unit 52, and the number of the song stored in the memory card 54 is displayed. If the number of one song is not the number of the desired song, the reset switch 51 selects the song. If the song No. 7 is selected, the start switch 61 is selected.
0M A drive signal PS is input from the voice synthesis means 31A to the light emitting means drive circuit 59. A drive signal TS is input from the light emitting means drive circuit 59 to the light emitting means 55.
Since the light emitting means 55 embedded in the scale key 23A emits light in the order in which the notes of the song are played, the user selects the scale key 23A and pulls the string 22 to play. Sound is emitted from the speaker 28 in the same manner as the electronic Taishogoto 20. At this time, if you turn off the changeover switch 62.

The switching signal K K 'r is input to the voice synthesis means 31A, and the voice signals os, os reproduced from the DI are added to the data.
' is emitted from the speaker 28, so you can tell whether the song you have pulled is correct or not.

Next, when recording a performance song, prepare a memory card 54° for hot weather, insert this memory card 54° into the card insertion slot 53, select a scale with the scale key 23A, and pull the 5th string 22. play. As mentioned above, the sound is emitted from the speaker 28, and the sound synthesis means 31A
This memory card 54° converts the created song into data KD2 and records the data on the memory card 54° for 1-input inserted via the card reader/writer 56.
can be used for fIP for playback from next time. Fourth,
By connecting the output of a musical instrument that conforms to the IDI standard to the interface terminal 58, it is possible to perform in combination with this dormitory instrument.

(Modified example) In the above, the circuit board etc. are built into the main body 21, but it may be installed as a separate unit externally and connected with a cord etc. Also, only a pickup coil is needed to detect the amplitude change of the 5th string 22. Alternatively, microphones, optical detection means may be used, and All! ! ! The volume 24 may be omitted by using a fixed resistor or the like, or the voice synthesis means 31A may be provided with an automatic chaining function, or the voice synthesis means may be provided with a function of reproducing transient characteristics related to string vibration. If this is done, the transient characteristics will be automatically added to the output audio signal, and the amplification degree adjustment signal ■ will be sent to the amplifier circuit 32.
There is no need to manually perform S, and the circuit configuration becomes simpler.

Further, in the electronic taishokoto 50, a display means such as an L-CD or the like for displaying one side of the notes of the taishokoto may be provided in the upper case 5).

Effect; According to the electronic Taishogoto of this invention, the ab &
I haven't selected the t1st order of the string. This has the advantage that the strings do not break due to the frequency of use of the scale keys, making maintenance extremely convenient. Also, the height of the r'i floor can be adjusted by rotating the adjustment volume, etc. Since it can be done in I lit, it is easy to use and has accurate benefits. Another advantage is that you can practice playing using earphones without disturbing others. Furthermore, if the memory means is used, there is an advantage that the player can practice the song by himself5 and can perform it automatically. It also has the advantage of being able to be played in combination with 5 other 'ins. Moreover, it has the advantage of being simple in structure and inexpensive.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the front appearance of a conventional Taishogoto, Figure 2 is a diagram showing the upper cover removed from the main body in Figure 3, and Figures 3 (A) and (B) are the x in Figure 1. Figure 4 is a diagram showing the -X cross section, Figure 4 is a diagram explaining metal fatigue of the string, Figure 5 is a diagram showing the front appearance of the electronic taishokoto of the present invention, Figure 6 is a diagram with the upper cover removed from the main body of Figure 5. Figure 7 shows how it is! I
FIG. 8 is a diagram showing the circuit configuration of the Taishogoto of this invention. FIG. 9 is a diagram showing the front appearance of another electronic Taishogoto of this invention. FIG. 10 is a diagram showing the front appearance of another electronic Taishogoto of this invention. It is a diagram showing the circuit HA configuration of an electronic Taishogoto. 1... Taishogoto, 2.21... One body, 3°22...
Strings, 4.23...Scale key, 5...Top cover, 6.
...adjustment knob, 7...performance section, 8...hole, 9...
Scale setting member, 10... mounting member, 11... spring, 12... crack, 20... electronic taishokoto, 24...
・：AW1 volume, 25...5 colors 3I! key, 2
6... Power switch, 27... Pickup coil, 28... Speaker, 29 (A), (B)... Unit, 30... Circuit board, 31... Voice synthesis means, 32... ...Amplification circuit, 33...Audio amplitude *m means,
40...4th floor switch, 42...battery, 43.
...Earphone jack. Figure 2 (A) 3rd side Figure 4

Claims (1)

[Claims] 1. A plurality of strings, a plurality of scale selection means for selecting scales corresponding to these strings, and an audio system that electronically synthesizes the scales selected by these scale selection means and outputs an audio signal. The apparatus further comprises a synthesizing means, a sound generating means for generating sound from the sound signal, and a sound amplitude adjusting means for reading amplitude changes of the plurality of strings when the plurality of strings are played and adjusting the amplitude of the sound. An electronic Taishogoto featuring the following. 2. The electronic taishokoto according to claim 1, wherein the timbre of the voice can be freely changed. 3. The electronic taishokoto according to claim 1, wherein the audio signal is a taishokoto audio waveform. 4. Change the pitch of the above scale to soprano, alto,
The electronic taishokoto according to claim 1, which can be converted into a bass or the like. 5. The electronic taishokoto according to claim 1, wherein the scale can be automatically tuned. 6. Claim 6, wherein the performance of the strings is stored as data in the memory means, and the data is read out from the memory means and reproduced as an audio signal as necessary, and the sound is emitted from the sound generating means. The electronic Taishogoto described in 1. 7. The electronic taishokoto according to claim 6, wherein when the strings are played, the performance is converted into the data and stored in the memory means. 8. A light emitting means for practicing the performance is provided at a predetermined portion of each of the plurality of scale selection means, and the performance procedure is displayed by flashing and/or variable light.
The electronic Taishogoto described in . 9. The electronic taishokoto according to claim 6, wherein the performance practice method is displayed on display means such as a display. 10. The electronic taishokoto according to claim 6, wherein the voice synthesizing means is provided with input/output terminals in accordance with the MIDI standard. 11. The voice synthesizing means has a function of reproducing transient characteristics related to the vibration of the string, and the output audio signal is reproduced based on the transient characteristics. Electronic Taishogoto.