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Pitch of brass instruments : ウィキペディア英語版 | Pitch of brass instruments
The pitch of a brass instrument is determined by its vibratory length, which determines the fundamental frequency of the open instrument and the frequencies of its overtones. Additional pitches are achieved by varying the length using the instrument's valve, slide, key or crook system. The fundamental frequency is not playable on some brass instruments. The table provides the pitch of the second overtone (an octave above the fundamental frequency) and length for some common brass instruments in descending order of pitch. This pitch is notated transpositionally as middle C for many of these brass instruments. ==Range== The normal playing range of most three-valved brass instruments extends from three whole tones below the 2nd harmonic of the condensed instrument to the 10th harmonic. Skilled players can produce tones outside this range. For many transposing brass instruments, this range is written as extending from F♯ below middle C to E two octaves and a third above middle C. The orchestral horn is an exception as it was classically assigned a range beginning at its fourth harmonic.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pitch of brass instruments」の詳細全文を読む
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