RU2626982C2 - Clog box - Google Patents

Abstract

FIELD: physics.

SUBSTANCE: clog box includes a deck, side walls; a base; a back wall, the thickness of the deck is calculated from a low note to a high one according to the formula Txn, where T is the reference or effective thickness, n is the tempered semitone coefficient equal to 1.05946. The clog box is made of hardwood or of wood with a specific density greater than one, or of modified wood.

EFFECT: invention allows creating musical instruments with a full octave range, which makes it possible to create musical compositions for clog boxes, increase in clog boxes' use in musical bands of all music genres.

2 cl, 3 dwg

Description

The invention relates to shock and noise musical instruments, namely to the box, and can be used in folk instrumental, folklore ensembles, professional orchestras, as well as in preschool institutions, music schools and other educational institutions.

From publicly available sources, the Russian folk percussion noise musical instrument is known - the box (they use another name for this instrument - the hoof), which consists of two bars connected by side walls. When playing, the box simulates the sound of a clatter of a horse's hooves. The instrument is made manually from valuable types of wood: oak, hornbeam, rosewood (sources [1-3]) The timbre sound of the musical device is achieved exclusively due to the wood used for its manufacture. This design of the box does not allow you to pre-create a musical instrument of a specific, predetermined tone or semitone, timbre sound. This limits the capabilities of the musical instrument.

The proposed invention solves this problem, namely, it allows at the production stage to "tune" the instrument to a given note. The technical result, objectively manifested in the creation and use of the invention, is to expand the sound range of the box, and more precisely, to create a box with a specific predetermined sound range. The invention allows the creation of musical instruments with a full octave range or more. Due to this, it becomes possible to create musical works for boxes, their use in musical groups of all directions is increasing.

. Темперирование звуков на инструменте называется настройкой. Однако в отношении ударно-шумовых музыкальных инструментов, в том числе в отношени коробочки, темперирование не применялось ранее, поскольку, как говорилось выше, такие музыкальные инструменты никогда не настраивались на определенную ноту, а инструмент лишь выполнял роль ритмики.The essence of the proposed solution is that for the first time it is proposed to use temperament for the constructive performance of a musical instrument. A uniformly temperated system, uniform temperament is a temperamental musical system in which each octave is divided into mathematically equal intervals, each of which is equal to

. Tempering sounds on an instrument is called tuning. However, with respect to shock-noisy musical instruments, including with respect to the box, tempering has not been applied before, since, as mentioned above, such musical instruments never tuned to a certain note, and the instrument only served as a rhythm.

The solution of the problem and the achievement of the technical result is possible due to the fact that in the box, including the deck (1), the side walls (2); base (3); the rear wall (4), unlike analogs, the thickness of the deck is calculated by the formula Txn, where Τ is the reference or calculated thickness, n is the temperament coefficient of the semitone equal to 1,05946. The box is made of hardwood or wood with a specific gravity of more than one or of modified wood.

The invention is illustrated by drawings.

In FIG. 1 is a front view of the box;

in FIG. 2 is a side view;

in FIG. 3 is a general view of a rectangular box.

In FIG. 1 shows a general view of the box, where 1 is the deck, 2 is the side walls; 3 - base; 4 - back wall; 5 - the value of the air column is the distance from the deck to the base. According to the proposed invention, the thickness of the deck is calculated as follows: Txn, where Τ is the reference or design plate thickness, and n = 1,05946 is a constant value used to calculate the tempered series. The use of such a calculation is shown in the following examples.

The scale of the first octave:

T ₀ = 3 mm - pe

T ₁ - 3 × 1,05946 = 3.19; sharp

T ₂ - 3.19 × 1.05946 = 3.38; mi

T ₃ - 3.38 × 1.05946 = 3.58; F

T ₄ - 3.38 × 1.05946 = 3.79; f sharp

T ₅ - 3.79 × 1.05946 = 4.01; salt

T ₆ - 4.01 × 1.05946 = 4.25; salt sharp

T ₇ - 4.25 × 1.05946 = 4.45; a la

T ₈ - 4.45 × 1.05946 = 4.72; a sharp

T ₉ - 4.72 × 1.05946 = 5.0; si

T ₁₀ - 5.0 × 1.05946 = 5.25; before

T ₁₁ - 5.25 × 1.05946 = 5.56; to sharp

The sound scale of the second octave:

T ₁₂ - 5.56 × 1.05946 = 5.89; re of the second octave

T ₁₃ - 5, 89 × 1,05946 = 6.24; sharp

T ₁₄ - 6.24 × 1.05946 = 6.61; mi

T ₁₅ - 6.61 × 1.05946 = 7.1; F

T ₁₆ - 7.1 × 1.05946 = 7.49; f sharp

T ₁₇ - 7.49 × 1.05946 = 7.94; salt

Τ ₁₈ - 7.94 × 1.05946 = 8.40; salt sharp

T ₁₉ - 8.40 × 1.05946 = 8.91; a la

T ₂₀ - 8.91 × 1.05946 = 9.44; a sharp

T ₂₁ - 9.44 × 1,05946 = 10.0 s

In the given example, the thickness of the deck T ₀ equal to 3 mm corresponds to the PE note of the first actava and is taken as a reference conditionally. By accepting a certain reference thickness and knowing the interval coefficient of the tempered semitone equal to 1,05946, as well as its serial number, you can build all 12 stages of the sound system (see Soviet Encyclopedia, 06/05/1956 edition, p. 204 article “Twelve-stage temperament series "). The following thicknesses T ₁ T ₂ T ₃ ... T ₂₁ - are calculated, therefore, are named by the author as calculated. If it is established that 3.0 mm corresponds to a note, for example, PE of the first act, then the calculation is made from this note.

Preferred box sizes are shown in a specific embodiment: base 1-30 mm ± 0.1 mm, length 180 mm ± 0.2 mm; side walls 2 - are bars with a size of 10 × 10 × 20 mm; the size of the air column is 5-20 mm. The parameters of the base, side walls and the distance from the deck to the base — the air columns for the purpose of the invention, are constant and do not change, while the thickness of the deck is “tuned” to a given note, for example, full notes of Do, Re, Mi, Fa, Sol, A, C , Until the next octave, etc. From a low note to a high, there are midtones between full notes. So, in accordance with the above calculations, the thickness of the deck corresponds to the following notes: the thickness of the deck 3.19 mm corresponds to a sharp note, the thickness of 3.38 mm corresponds to mi notes; thickness 3.58 mm - note fa; thickness 3.79 mm - note f sharp; thickness 4.01 mm - note salt; thickness 4.25 mm - note sharp sharp; thickness 4.45 mm - note la; thickness 4.72 mm - note a sharp; thickness 5.0 mm - note si; thickness 5.25 mm -not to; 5.56 mm thick - note to sharp, etc.

Thus, if it is necessary to create a musical instrument tuned to a note, for example, FA, then regardless of the type of box, without changing the height of the air column, determine the thickness of the deck from the calculation Txn, where T is the reference or calculated thickness of the plate, and n = 1, 05946 - interval coefficient of the tempered halftone:

T ₀ = 3 mm corresponds to re

T ₁ - 3 × 1,05946 = 3.19; sharp

T ₂ - 3.19 × 1.05946 = 3.38; mi

T ₃ = 3.38 × 1.05946 = 3.58; F

According to the presented example, with a deck thickness of 3.58 mm, the instrument will be tuned to the Fa note. If it is necessary to achieve a higher sound, it is necessary to calculate towards thickening the deck, i.e. increase in thickness.

Known equipment and auxiliary tools are used to make the box: a circular saw, surface gage, flat and round hand grinding equipment, CNC milling machines, boxes for gluing boxes, glues, vernier calipers, tuner, tuning fork, thickness gauge, grinding belts. Woodworking equipment should provide at least 8-12 processing classes. A musical instrument is made from hardwood, as well as from wood with a specific gravity of more than one and from modified wood.

An example of a musical instrument is shown on a box of rectangular shape as more technological in production. A rectangular box can be made from individual parts (base, side walls, back wall, deck) by sawing. In case of prolonged use, the deck may break through. In this case, it can be replaced, while the specified thickness of the deck will determine which note the musical instrument will be tuned to. The proposed invention can also be applied in other forms of boxes, for example hemispherical, oval, etc. In this case, the box is made by milling from a monolithic block of wood.

The box is used as follows. The tool is placed on any stand. When playing, the performer strikes the deck with special hammers or drumsticks. The invention extends the performance of a musical instrument.

Sources

1.http: //www.detsnab.ru/kopyttsa;

2. http://www.muzprom.ru/catalog/muzprom/udarnie_shurnovie/23.php

3. http://www.octavaperm.ru/catalog/category/shumovye/kopytca.

Claims (2)

1. A box including a deck (1), side walls (2); base (3); the back wall (4), characterized in that the thickness of the deck is calculated from a low note to a high one according to the formula Txn, where T is the reference or calculated thickness, n is the temperament coefficient of the semitone equal to 1,05946. 2. A box according to claim 1, characterized in that it is made of hardwood, or of wood with a specific gravity of more than one, or of modified wood.

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