May 29, 2022
1939年5月にロンドンで開催された国際会議で、「ラ(A)」( ピアノ中央の「ド」のすぐ上の「ラ」) の振動数が440 Hz と定められました。これを国際標準ピッチと呼ぶそうです。
数検1級対策さんはTwitterを使っています
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1939年5月にロンドンで開催された国際会議で、「ラ(A)」( ピアノ中央の「ド」のすぐ上の「ラ」) の振動数が440 Hz と定められました。これを国際標準ピッチと呼ぶそうです。
数検1級対策さんはTwitterを使っています
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