JP4665123B2 - Musical scale creation method, musical scale creation program, computer-readable recording medium recording the program, musical scale creation apparatus, performance apparatus, and illumination apparatus - Google Patents
Musical scale creation method, musical scale creation program, computer-readable recording medium recording the program, musical scale creation apparatus, performance apparatus, and illumination apparatus Download PDFInfo
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本願発明は、外部からの光のスペクトルに応じて音階を作成し、それを用いた演奏や照明を実現することのできる方法やコンピュータプログラム、システム等に関するものである。 The present invention relates to a method, a computer program, a system, and the like that can create a musical scale according to the spectrum of light from the outside and realize performance and illumination using the scale.
従来、音階を自動作成する技術や自動演奏する技術が知られている。様々なフレーズを自動的に作成し演奏する装置等がそれである。 Conventionally, a technique for automatically creating a scale and a technique for performing automatically are known. It is a device that automatically creates and plays various phrases.
しかしながら、光のスペクトルに応じて音階を自動作成することは全く知られていない。これが実現されれば、光と音の競演を実現でき、たとえば屋外において太陽光のスペクトル強度やスペクトル波長の変化に連動した音の演出が可能になる。 However, it is not known at all to automatically create a scale according to the spectrum of light. If this is realized, a competition between light and sound can be realized. For example, it is possible to produce a sound in conjunction with changes in the spectral intensity and spectral wavelength of sunlight outdoors.
そこで、以上のとおりの事情に鑑み、本願発明は、外部からの光のスペクトルに応じて音階を作成することのできる音階作成方法、音階作成プログラム、該プログラムを記録したコンピュータ読取可能な記録媒体及び音階作成装置を提供し、また、それを用いた演奏や照明を実現することのできる演奏装置及び照明装置を提供することを課題としている。 Accordingly, in view of the circumstances as described above, the present invention provides a scale creation method, a scale creation program capable of creating a scale according to the spectrum of light from the outside, a scale creation program, a computer-readable recording medium storing the program, and It is an object of the present invention to provide a musical scale creation apparatus, and to provide a performance apparatus and an illumination apparatus that can realize performance and illumination using the scale creation apparatus.
本願発明は、上記の課題を解決するものとして、第１には、光スペクトルの色周波数を求め、該周波数を整数３桁台の数字が出るまで２で割り続け、得られた数値と同一、または近似する周波数の音を平均律の中から選択し、更にその中の最低音を基音とした色光の倍音列を作成し、それに基づいて平均律による音階や和音、音色を作成することを特徴とする音階作成方法を提供する。 The present invention solves the above-mentioned problem. First, the color frequency of the optical spectrum is obtained, and the frequency is continuously divided by 2 until a three-digit integer number is obtained, which is the same as the obtained numerical value. Or, select a sound with an approximate frequency from the average temperament, create a harmonic sequence of colored light based on the lowest tone among them, and create scales , chords, and timbres based on the average temperament. A scale creation method is provided.
また、第２、第３には、前記音階作成方法をコンピュータに実行させるための音階作成プログラム及び該音階作成プログラムを記録したコンピュータ読取可能な記録媒体を提供する。 Second and third, a scale creation program for causing a computer to execute the scale creation method and a computer-readable recording medium on which the scale creation program is recorded are provided.
またさらに、第４には、光を入力する光入力手段、および光スペクトルの色周波数を求め、該周波数を整数３桁台の数字が出るまで２で割り続け、得られた数値と同一、または近似する周波数の音を平均律の中から選択し、更にその中の最低音を基音とした色光の倍音列を作成し、それに基づいて平均律による音階や和音、音色を作成する音階作成手段を備えたことを特徴とする音階作成装置、第５には、前記光入力手段は、外部からの光を受光して入力することを特徴とする前記音階作成装置を提供する。 Furthermore, fourthly, the light input means for inputting light, and the color frequency of the light spectrum are obtained, and the frequency is continuously divided by 2 until a three-digit integer number is obtained, which is the same as the obtained numerical value, or Select a sound with an approximate frequency from the average temperament, and create a harmonic series of colored light based on the lowest tone among them, and then create a scale, chord, and timbre based on that. A scale creating apparatus characterized in that it is provided, and fifthly, the light input means receives the light from the outside and inputs it.
そして、第６には、前記音階作成装置により作成された音階を用いて自動演奏を行うことを特徴とする演奏装置を提供し、第７には、前記音階作成装置により作成された音階を用いて自動演奏された音楽を構成する音階の周波数を波長へ逆換算し、得られた波長の光を用いて自動照明を行うことを特徴とする照明装置を提供する。 Sixth, there is provided a performance device that performs automatic performance using the scale created by the scale creation device, and seventhly, the scale created by the scale creation device is used. A lighting device is provided, wherein the frequency of a musical scale that composes automatically played music is inversely converted into a wavelength, and automatic illumination is performed using light of the obtained wavelength.
上記第１〜第３の音階作成方法によれば、外部からの光のスペクトルに応じて音階や和音を自動作成することができる。 According to the first to third scale creation methods, a scale or chord can be automatically created according to the spectrum of light from the outside.
上記第４、第５の音階作成プログラムおよび記録媒体によれば、上記第１〜第３の音階作成方法と同様な効果が得られるコンピュータプログラムおよびそれを記録したフレキシブルディスクやＣＤ、ＤＶＤなどの記録媒体が実現され、上記第６〜第９の音階作成装置によれば、上記第１〜第３の音階作成方法と同様な効果が得られる装置が実現される。 According to the fourth and fifth musical scale creation programs and the recording medium, a computer program that can obtain the same effects as those of the first to third musical scale creation methods, and a recording such as a flexible disk, a CD, and a DVD on which the computer program is recorded. A medium is realized, and according to the sixth to ninth scale creation apparatuses, an apparatus that can achieve the same effects as the first to third scale creation methods is realized.
また、上記第１０の演奏装置によれば、上記音階作成装置によって作成された音階を用いた自動演奏が実現され、上記第１１の照明装置によれば、同じく作成された音階を用いて自動演奏に応じて自動照明の演出が実現される。 Further, according to the tenth performance device, automatic performance using the scale created by the scale creation device is realized, and according to the eleventh lighting device, automatic performance using the same created scale is realized. An automatic lighting effect is realized depending on the situation.
これらの本願発明により、光と音の競演を実現でき、たとえば公共の場所にシステムを設置したりオブジェとして屋外に設置したりして、天候のスペクトルを測定し、その測定値に連動して音楽を奏でることができる。またさらには、演奏されている音楽に連動して、照明の色を変化させたることも可能となる。 By these inventions of the present application, light and sound competition can be realized. For example, a system is installed in a public place or installed outdoors as an object, the weather spectrum is measured, and music is linked to the measured value. Can be played. Furthermore, it becomes possible to change the color of the lighting in conjunction with the music being played.
［第一の実施形態］
図１は、本願発明のシステム構成を例示したものであり、光スペクトルに基づいて平均律による音階を作成する音階作成装置１、音階作成装置１により作成された音階を用いて自動演奏を行う演奏装置２、および演奏装置２により自動演奏された音楽を構成する音階の周波数を波長へ逆換算し、得られた波長の光を用いて自動照明を行う照明装置３を備えている。
[First embodiment]
FIG. 1 exemplifies the system configuration of the present invention, and a musical scale creation device 1 that creates a scale based on the equal temperament based on an optical spectrum, and a performance that performs an automatic performance using the scale created by the musical scale creation device 1 The apparatus 2 and the illuminating device 3 that automatically converts the frequency of the scale constituting the music automatically played by the performance device 2 into a wavelength and performs automatic illumination using light of the obtained wavelength are provided.
まず、音階作成装置１は、図２に例示したように、光を入力する入力手段１１、および入力した光のスペクトルに基づいて平均律による音階を作成する音階作成手段１２を有している。 First, as illustrated in FIG. 2, the scale creation device 1 includes an input unit 11 that inputs light, and a scale creation unit 12 that creates a scale based on the equal temperament based on the spectrum of the input light.
より具体的には、入力手段１１は、装置外部からの光を受光したりして音階作成装置１に入力させるものであり、受光機能を有するものであれば装置形態や素子形態などは特に限定されない。 More specifically, the input means 11 receives light from the outside of the apparatus and inputs it to the scale creating apparatus 1, and the apparatus form, element form, etc. are particularly limited as long as it has a light receiving function. Not.
音階作成手段１２は、光入力手段１１により入力された光のスペクトルに基づいて音階を作成するものであり、たとえば、光スペクトルの色周波数を求め、得られた色周波数に基づいて平均律の中にある周波数の音を選択することで、音階を作成する。 The scale creating means 12 creates a scale based on the spectrum of the light input by the light input means 11. For example, the scale creating means 12 obtains the color frequency of the light spectrum and calculates the color frequency based on the obtained color frequency. A scale is created by selecting a sound with a frequency in
さらに説明すると、光スペクトルの色周波数を求め、該色周波数を２で割り続け、得られた数値と同一または近似する周波数の音を平均律の中から選択するといった手法が好ましい。 More specifically, it is preferable to obtain a color frequency of the optical spectrum, continuously divide the color frequency by 2, and select a sound having a frequency equal to or close to the obtained numerical value from the average temperament.
たとえば図３の例では、入力された光のスペクトルに赤の波長７８０ｎｍが含まれている場合、３×１０８ｍを７８０ｎｍで割ることによって赤色の周波数３８４６１５３８４６１５３８４・・・Ｈｚを求め、つまり３００００００００÷０．００００００７８０＝３８４兆６１５３８４６１５３８４Ｈｚを算出し（ステップＳ１）、この色周波数を２で割り続けて３桁台の数字を出す（ステップＳ２）。図３では、最終的に３４９．８０５６５４５２８０４８７Ｈｚという整数３桁台の数字を得ている。 For example, in the example of FIG. 3, if the input light spectrum includes a red wavelength of 780 nm, the red frequency 384615384615384... Hz is obtained by dividing 3 × 10 8 m by 780 nm, that is, 300000000 ÷ 0.0000000780 = 384 trillion 615384615384 Hz is calculated (step S1), and this color frequency is continuously divided by 2 to obtain a 3-digit number (step S2). In FIG. 3, finally, a number in the integer three digits of 349.805565280487 Hz is obtained.
この数字を平均律の中にある最も近いまたは同一の周波数の音に置き換える。図３では
、平均律の中から赤の周波数３４９Ｈｚと近似値にある音を求めると、ちょうど３４９ＨｚのＦ音と一致する（ステップＳ３）。
Replace this number with the closest or identical frequency sound in the equal temperament. In FIG. 3, when a sound having a red frequency of 349 Hz and an approximate value is obtained from the equal temperament, it coincides with the F sound of 349 Hz (step S3).
同様な処理を光スペクトルの各波長に対して行うことで、入力された光のスペクトルに応じて音階を自動作成できるのである。 By performing the same process for each wavelength of the light spectrum, a scale can be automatically created according to the spectrum of the input light.
以上により作成される光スペクトル音階（色スペクトル音階とも呼ぶ）を図４（ａ）（ｂ）に例示する。図４（ａ）（ｂ）では、赤色＝Ｆ音、橙色＝Ａ音、黄色＝Ｂフラット音、緑色＝Ｃ音、青色＝Ｄ音、藍色＝Ｅフラット音、紫色＝Ｆシャープ音となっている。 The optical spectrum scale (also called color spectrum scale) created as described above is illustrated in FIGS. 4 (a) and 4 (b), red = F sound, orange = A sound, yellow = B flat sound, green = C sound, blue = D sound, indigo color = E flat sound, purple = F sharp sound. ing.
なお、図５に例示したように、赤色＝Ｆ音の周波数は３４９Ｈｚで完全に一致するが、それ以外の色と音とは完全一致しない場合もあるので、近似値で判断して、最も近い周波数のものを選択すればよい。 As illustrated in FIG. 5, the frequency of red = F sound is completely matched at 349 Hz, but other colors and sounds may not be completely matched. What is necessary is just to select the thing of frequency.
なお、光入力手段１１は、光を受光等により入力するだけではなく、光のスペクトル情報を入力できるように構築されていてもよい。前者の場合では、光入力手段１１で光のスペクトル強度やスペクトル波長などのスペクトル情報を測定等により求めたり、音階作成手段１２にてそれらを求めたりすることができる。後者の場合では、光入力手段１１から音階作成手段１２へ光スペクトル情報が送られ、音階作成手段１２にてそれに基いて上記のとおりに音階を自動作成することができる。 The light input means 11 may be constructed not only to input light by receiving light but also to input light spectrum information. In the former case, spectral information such as the spectral intensity and spectral wavelength of light can be obtained by measurement or the like by the light input means 11, or can be obtained by the scale creation means 12. In the latter case, the optical spectrum information is sent from the light input means 11 to the scale creating means 12, and the scale creating means 12 can automatically create the scale based on it as described above.
以上の自動作成は、たとえば上記各処理のプログラムをコンピュータ上で実行させることで実現できる。図６はこの場合のコンピュータシステム構成を例示したものであり、表示部、入力部、処理部（ＣＰＵ）、記憶部（メモリ）、通信部、データベースおよびバスを備えており、記憶部には、自動作成プログラムや各種データが記憶されており、この記憶部とバスにより接続されている処理部は、自動作成プログラムの指令を受けて自動作成処理を実行する。また、処理部は、入力画面や各種データ等を表示するディスプレイなどの表示部、ユーザ操作や各種データを入力するキーボードやマウスなどの入力部とも、バスにより接続されている、データベースには、処理部により求められた音階が蓄積される。 The automatic creation described above can be realized, for example, by causing a program for each processing described above to be executed on a computer. FIG. 6 illustrates a computer system configuration in this case, and includes a display unit, an input unit, a processing unit (CPU), a storage unit (memory), a communication unit, a database, and a bus. An automatic creation program and various data are stored, and a processing unit connected to the storage unit via a bus executes an automatic creation process in response to an instruction from the automatic creation program. In addition, the processing unit is connected to a display unit such as a display for displaying an input screen and various data, and an input unit such as a keyboard and a mouse for inputting user operations and various data via a bus. The scale obtained by the part is accumulated.
後は、演奏装置２が、自動作成された音階を表す信号を音階作成装置１から受け取り、それに基づく音を鳴らして自動演奏を行う。 After that, the performance device 2 receives a signal representing the automatically created scale from the scale creation device 1 and plays a sound based on it to perform an automatic performance.
自動演奏については、たとえば上記図６と同様なシステム構成を構築しておき、処理部が、記憶部に記憶された演奏プログラムの指令を受けて、入力された音階信号に基づき音発生処理または演奏処理を実行することで、自動処理される。 For automatic performance, for example, a system configuration similar to that shown in FIG. 6 is constructed, and the processing unit receives instructions from a performance program stored in the storage unit and performs sound generation processing or performance based on the input scale signal. By executing the process, it is automatically processed.
これにより、光を音に変換する、つまり光を音で表現することが可能になり、たとえば天候のスペクトルに連動した音楽演奏が実現されることとなる。 As a result, light can be converted into sound, that is, light can be expressed by sound. For example, music performance linked to the weather spectrum can be realized.
なお、演奏装置２としてはシンセサイザー等を考慮でき、たとえば、シンセサイザーに上記システム構成を組み込んだり、プログラムのみを組み込んだり、あるいは別途上記システム構成を構築してそれと信号送受可能な構成としたりできる。 The performance device 2 can be a synthesizer or the like. For example, the system configuration can be incorporated into the synthesizer, only the program can be incorporated, or the system configuration can be separately constructed and a signal can be transmitted to and received from it.
一方、照明装置３は、演奏装置２により自動演奏された音楽を構成する音階の周波数を波長へ逆換算し、得られた波長の光を用いて自動照明する。 On the other hand, the illuminating device 3 converts the frequency of the scale constituting the music automatically played by the performance device 2 back to the wavelength, and automatically illuminates using the light of the obtained wavelength.
たとえば、演奏装置２により上記Ｆ音が鳴らされた場合には、Ｆ音の周波数３４９Ｈｚを波長へ逆換算し、得られた波長に該当する色を判定して、その色の光を照射する。 For example, when the F sound is played by the performance device 2, the frequency 349 Hz of the F sound is inversely converted into a wavelength, a color corresponding to the obtained wavelength is determined, and light of that color is emitted.
逆換算や色判定については、たとえば上記図６と同様なシステム構成を構築しておき、処理部が、記憶部に記憶された照明プログラムの指令を受けて、入力された音楽信号または音階信号に基づき逆換算処理および色判定処理を実行することで、自動処理される。 For inverse conversion and color determination, for example, a system configuration similar to that shown in FIG. 6 is constructed, and the processing unit receives an instruction of the lighting program stored in the storage unit and converts it into an input music signal or scale signal. Based on this, automatic processing is performed by executing reverse conversion processing and color determination processing.
これにより、上記のとおりに奏でられた音を光に再変換する、つまり光に基づいて表現された音楽を再び光で表現し直すことが可能になり、さらに一層複雑で華麗な光と音のコラボレーションが実現されることとなる。 As a result, it is possible to re-convert the sound played as described above into light, that is, to re-express music expressed based on light with light, and even more complex and brilliant light and sound. Collaboration will be realized.
以上の特徴を有する本願発明の根幹となる概念についての説明を、図７〜図１３に記載しておく。これら図７〜図１３に記載されていることから明らかなように、本願発明の基本概念は色と音、音と色との関係に基づいたものであり、それを各種技術手段により具現化して本願発明がなされているのである。 Descriptions of the basic concept of the present invention having the above features are described in FIGS. As is apparent from these FIG. 7 to FIG. 13, the basic concept of the present invention is based on the relationship between color and sound, and sound and color, and is embodied by various technical means. The present invention has been made.
［第二の実施形態］
なお、図７に例示したように、音や音楽から色を表現することは、様々な観点から考えられる。
[Second Embodiment]
Note that, as illustrated in FIG. 7, expressing colors from sound or music can be considered from various viewpoints.
たとえば、音の高低からイメージする色に関して、人間は、高い音は明るい色やビビッドな色、低い音は暗い色やストロングまたはディープな色を感じると考えられ、この感覚を上記色から音、音から色への変換処理に取り入れることも可能である。 For example, with regard to the color imaged from the level of the sound, humans are likely to feel light or vivid colors for high sounds, and dark or strong or deep colors for low sounds. It is also possible to incorporate in the conversion process from color to color.
楽器音からイメージする色に関しては、人間は、金管、木管、弦楽器、撥弦楽器など、楽器の材質や発音の仕組み、またその楽器の持つ演奏音域の違いにより、様々な色をイメージすると考えられ、この感覚を上記色から音、音から色への変換処理に取り入れることも可能である。 As for the color imaged from the instrument sound, humans are thought to imagine various colors depending on the material of the instrument, the mechanism of pronunciation, such as brass, woodwind, stringed instrument, plucked instrument, and the performance range of the instrument, It is also possible to incorporate this feeling into the color-to-sound and sound-to-color conversion processing.
和音の響からイメージする色に関しては、人間は、和音を構成する音の積み重なり方の違いにより生じるいろいろな響き、サウンドに対して、様々な色を感じると考えられ、この感覚を上記色から音、音から色への変換処理に取り入れることも可能である。 With regard to the color imaged from the sound of chords, humans are thought to feel various colors with respect to the various sounds and sounds that arise due to differences in the way the sounds that make up the chords are stacked. It can also be incorporated into the sound-to-color conversion process.
調性からイメージする色に関して、人間は、長調（メジャー）は明るい、短調（マイナー）は暗いといったように調性に対して明暗を感じると考えられ、また、シャープがつく調は明るく、フラットがつく調は暗く感じるとも考えられ、この感覚を上記色から音、音から色への変換処理に取り入れることも可能である。 In terms of colors that are imaged from tonality, humans feel that the major (major) is bright and the minor (minor) is dark, and that the tonality feels light and dark, and the sharp tone is bright and flat. It is thought that the dark tone seems dark, and it is possible to incorporate this sensation into the color-to-sound and sound-to-color conversion processing.
そして、これらの各要素が複合的にからんで色をイメージする場合も当然あり、この各要素の組み合わせを取り入れることも可能である。 Of course, there is a case where each of these elements forms a complex image of colors, and it is also possible to incorporate a combination of these elements.
［第三の実施形態］
また、図８に例示した、色倍音列音色を色へ変換する方法は、色と音の三要素を相互に関係づけたものであり、たとえば、色相と音色、明度と高低、彩度と音量といった関係を、色から音、音から色への変換処理に取り入れることも可能である。
[Third embodiment]
In addition, the method of converting a color overtone string timbre illustrated in FIG. 8 into color is a method in which three elements of color and sound are related to each other. For example, hue and tone, brightness and level, saturation and volume Such a relationship can be incorporated into the color-to-sound and sound-to-color conversion processing.
［第四の実施形態］
またさらに、図９に例示した、色倍音列から音色を作成することについては、音色の変化は基音上の倍音構成とそれぞれの倍音の音量の違いによりものであり、このことを応用して色倍音列からいろいろな音色を作ることが可能である。
[Fourth embodiment]
Furthermore, regarding the creation of a timbre from the color overtone sequence illustrated in FIG. 9, the change in timbre is due to the difference in the overtone composition on the fundamental tone and the volume of each overtone. It is possible to make various timbres from the harmonic series.
たとえば、正弦波（サイン波）は、音の原波形であり、倍音を全く含まない波形である。楽器音ではフルート、オカリナが該当する。鋸歯状波（ノコギリ波）は、基音上に整数倍音が含まれる波形であり、楽器音ではトランペット、ヴァイオリン該当する。矩形波（スクエア波）は、基音上に整数倍音が含まれる波形であり、楽器音ではクラリネットやオーボエが該当する。そしてこれらの関係に基づき、色から音、音から色へ変換処理に取り入れることも可能である。 For example, a sine wave (sine wave) is an original waveform of sound and is a waveform that does not include overtones. Flute and ocarina correspond to musical instrument sounds. A sawtooth wave (sawtooth wave) is a waveform in which an integer overtone is included on a fundamental tone, and corresponds to a trumpet or a violin in an instrument sound. A square wave (square wave) is a waveform in which an integer overtone is included on the fundamental tone , and a clarinet or oboe corresponds to a musical instrument sound. Based on these relationships, it is also possible to incorporate color-to-sound and sound-to-color conversion processing.
［第五の実施形態］
また、図１０に例示したように、音色から色への変換については、色倍音列から作られた音色の倍音構成のバランスをそのまま色の混色バランスへ変換する。これにより、まさにオリジナルの「音からの色」を作ることができる。
[Fifth embodiment]
Further, as illustrated in FIG. 10, for the conversion from timbre to color, the balance of the overtone composition of the timbre made from the color overtone sequence is converted into the color mixture balance as it is. This makes it possible to create an original “color from sound”.
たとえば、矩形波は、基音上に奇数倍音の三次倍音、五次倍音、七次倍音・・・を含む。この場合、たとえば図１０に例示したように、基音（ファ）に対応する赤色を１として、三次倍音（ド）に対応する緑色を１／３、五次倍音（ラ）に対応する橙色を１／５といった割合で混色する。図１０では各色の割合を円の大きさで表しているが、実際には各色同士が混ざった色となり、それが照明装置３により照明される。 For example, the rectangular wave includes an odd-numbered overtone third-order overtone, fifth-order overtone, seventh-order overtone, and so on. In this case, for example, as illustrated in FIG. 10, red corresponding to the fundamental tone (fa) is set to 1, green corresponding to the third harmonic (do) is 1/3, and orange corresponding to the fifth harmonic (ra) is set to 1. Mix colors at a rate of / 5. In FIG. 10, the ratio of each color is represented by the size of a circle, but in actuality, each color is a mixed color and is illuminated by the lighting device 3.
［第六の実施形態］
ところで、いろいろな音（音色とも呼べる）や色（色光とも呼べる）には、複数の波長（または周波数）が混ざり合っているという共通性が見られる。
[Sixth embodiment]
By the way, there is a commonality that various wavelengths (or frequencies) can be mixed in various sounds (also called timbres) and colors (also called colored lights).
音楽では、いろいろな音色の違いは、図１１に例示した音の「倍音列スペクトル構成」の違いで表すことができ、色光では、光の「分光スペクトル構成」（色スペクトル倍音列とも呼べる）の違いで表すことができる。 In music, the difference in various timbres can be represented by the difference in the “harmonic sequence spectrum configuration” of the sound illustrated in FIG. 11. In the case of colored light, the “spectral spectrum configuration” (also referred to as a color spectrum harmonic sequence) of light. Can be represented by a difference.
このことから、光の色周波数から変換された色スペクトル音階をもとに、図１２に例示したような赤＝Ｆ音を基音とした倍音列を作成し、この倍音列を用いて、いろいろな音色の倍音列スペクトル比率を、各色光の比率に当て嵌めることができ、これにより、倍音に基づく混色を作成できるようになる。 From this, based on the color spectrum scale converted from the color frequency of light, a harmonic sequence based on the red = F sound as illustrated in FIG. 12 is created, and various harmonics are used using this harmonic sequence. The harmonic sequence spectrum ratio of the timbre can be applied to the ratio of each color light, thereby making it possible to create a color mixture based on the harmonics.
なお図１１および図１２では奇数次倍音構成を例示しているが、倍音構成はこれに限定されない。 11 and 12 exemplify the odd harmonic structure, but the harmonic structure is not limited to this.
たとえば図１３（ａ）（ｂ）は、それぞれ、色スペクトル倍音列および色スペクトル倍音列音階の別の一例を示している。 For example, FIGS. 13A and 13B show another example of the color spectrum overtone string and the color spectrum overtone string scale, respectively.
１ 音階作成装置
１１ 光入力手段
１２ 音階作成手段
２ 演奏装置
３ 照明装置
DESCRIPTION OF SYMBOLS 1 Scale production apparatus 11 Optical input means 12 Scale production means 2 Performance apparatus 3 Illumination
Claims (7)
光スペクトルの色周波数を求め、該周波数を整数３桁台の数字が出るまで２で割り続け、得られた数値と同一、または近似する周波数の音を平均律の中から選択し、更にその中の最低音を基音とした色光の倍音列を作成し、それに基づいて平均律による音階や和音、音色を作成する音階作成手段
を備えたことを特徴とする音階作成装置。 The light input means for inputting light, and the color frequency of the light spectrum are obtained, and the frequency is divided by 2 until a three-digit integer number appears, and the sound with a frequency equal to or close to the obtained numerical value is averaged. A musical scale comprising means for creating a scale , a chord, and a tone based on an equal temperament based on a harmonic sequence of colored light that is selected from the above, and based on the lowest tone. Creation device.
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| JP6833313B2 (en) * | 2014-09-19 | 2021-02-24 | 石井 純 | Electronic musical instrument that makes full use of light receiving elements |
| WO2023223619A1 (en) * | 2022-05-16 | 2023-11-23 | 寛 渡會 | Music creation device and music creation method |
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