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词汇 Augmented seventh
分类 英语词汇 英语翻译词典
释义

Augmented seventh

英语百科

Augmented seventh

Augmented seventh on C  Play equal temperament  or  Just .
Pythagorean augmented seventh on C (531441/262144 = 1223.46), a Pythagorean comma above the perfect octave.  Play 

In classical music from Western culture, an augmented seventh is an interval produced by widening a major seventh by a chromatic semitone. For instance, the interval from C to B is a major seventh, eleven semitones wide, and both the intervals from C to B, and from C to B are augmented sevenths, spanning twelve semitones. Being augmented, it is classified as a dissonant interval. However, it is enharmonically equivalent to the perfect octave.

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