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octave |
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octave (ŏk`tĭv) [Lat.,=eighth], in music, the perfect interval interval, in music, the difference in pitch between two tones. Intervals may be measured acoustically in terms of their vibration numbers. They are more generally named according to the number of steps they contain in the diatonic scale of the piano; e.g. ..... Click the link for more information. between the 1st and 8th tones of the diatonic scale. The upper note of a perfect octave has a frequency of vibration twice that of the lower, and in modern Western notation the two have the same letter name. The octave is the first overtone (see harmonic harmonic. 1 Physical term describing the vibration in segments of a sound-producing body (see sound ). A string vibrates simultaneously in its whole length and in segments of halves, thirds, fourths, etc. ..... Click the link for more information. ). The range of the male voice is roughly an octave below that of the female; men and women supposedly singing in unison unison, in music, tones identical in pitch produced by two or more parts or voices. In popular usage a vocal composition is said to be sung in unison even though some of the voices are separated from others by the interval of an octave. ..... Click the link for more information. actually sing in octaves. octave 1. a. the interval between two musical notes one of which has twice the pitch of the other and lies eight notes away from it counting inclusively along the diatonic scale b. one of these two notes, esp the one of higher pitch c. (as modifier): an octave leap 2. Prosody a rhythmic group of eight lines of verse 3. a. a feast day and the seven days following b. the final day of this period 4. the eighth of eight basic positions in fencing octave [′äk·tiv] (acoustics) The interval in pitch between two tones such that one tone may be regarded as duplicating at the next higher pitch the basic musical import of the other tone; the sounds producing these tones then have a frequency ratio of 2 to 1. (physics) The interval between any two frequencies having a ratio of 2 to 1.
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"Those chords give the fifth and the octave," said Mr. This first part is called the octave, from the Latin word octo, eight. To which the devil, stopping the cart, answered quietly, "Senor, we are players of Angulo el Malo's company; we have been acting the play of 'The Cortes of Death' this morning, which is the octave of Corpus Christi, in a village behind that hill, and we have to act it this afternoon in that village which you can see from this; and as it is so near, and to save the trouble of undressing and dressing again, we go in the costumes in which we perform. |
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