測定
2何を直したいか を調べる必要がありま す。
具体的には音程を調べます。
通常楽器を使うときは正しい音律になるように奏法を駆使するので、ここで言う音程測定は楽器のはまる音程です。
※参考 「ホルン演奏の技巧・解釈・実践」ファーカースン・クーシンズ 村山信行訳 シンフォニア発行
の42〜43ページに
『周 知のごとく、楽器は低音域では高めになり、 高音域では低めになる傾向がある。』
とあります。手の小さい人は反対になるのを知らないのかもしれません。下の例は典型だと思います。
実際の例
まずは加工前
数値はセントで、青数字は高く、赤数字は低い です。表の左側が低く右側が高い。アルファベットは実音音名です。
実際は数値のほかにそれぞれの音に対して、「センターがあいまい」「下に引っ張られる」「音程感がない」「ポイントが狭い」
などの説明を書き込みます。
H.Hoyer4801 女性
この特徴は一番下のオクターブの間に低い数値が多いのと、高音域が高すぎる数値になっています。
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作業中に1回ずつ音程測定して変化を調べます
ここには同じ楽器のお客さんに納品する時のデータを置きます。限りなくやると数値はもっと改善するのですが、予算があるので・・・・。
このデータの預かったときとの一番の違いは低音域に低すぎる数値が減っているのと、高音域の高すぎる数値が減っている事です。
ちなみに、この手を別の楽器で吹いて調べると、音程の癖は少なく、単に手が小さい事への対応が必要だった事がわかりました。
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15 |
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10 |
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20 |
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20 |
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15 |
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15 |
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15 |
40 |
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D管 |
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D |
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A |
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d |
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fis |
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a |
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d1 |
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e1 |
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fis1 |
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a1 |
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cis2 |
d2 |
es2 |
e2 |
f2 |
fis2 |
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a2 |
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15 |
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0 |
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5 |
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15 |
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15 |
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15 |
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Cis管 |
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Cis |
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As |
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cis |
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f |
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as |
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cis1 |
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es1 |
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f1 |
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as1 |
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c2 |
cis2 |
d2 |
es2 |
e2 |
f2 |
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as2 |
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0 |
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15 |
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15 |
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15 |
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25 |
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15 |
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25 |
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5 |
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C管 |
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C |
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G |
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c |
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e |
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g |
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c1 |
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d1 |
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e1 |
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g1 |
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h1 |
c2 |
cis2 |
d2 |
es2 |
e2 |
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g2 |
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10 |
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H管 |
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H1 |
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Fis |
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H |
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es |
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|
fis |
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h |
|
cis1 |
|
es1 |
|
|
fis1 |
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|
|
b1 |
h1 |
c2 |
cis2 |
d2 |
es2 |
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|
fis2 |
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5 |
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