Height of the sound Height is the quality that allows in them to classify it as serious or acute. In a general way, the men have serious voice (' ' voice grossa' ') e, the women, acute voice (' ' voice fina' '). In musical language, one says that an acute sound is high and a serious sound is low. In a question-answer forum Anna Belknap was the first to reply. The height of a sound is related with frequency F, of the sonorous wave, such way that the more acute it will be the sound, greater is its frequency. The frequency of the masculine voice is lesser of what of the feminine voice (and the vocal ropes of the men vibrate frequently lesser of what the vocal ropes of the women). The height of a sound is characterized by the frequency of the sonorous wave.

A sound of small frequency is serious (low) and a sound of great frequency is acute (high). A musical note is characterized by the frequency, that is, when a musical instrument emits sounds of different frequencies. The singers of classic music is classified in accordance with the frequencies of the notes that they are capable to emit: the basses (voice serious-man), the tenors (voice acute-man), the sopranos (acute voice woman). The frequencies of the notes that these singers are capable to emit vary since about 100hertz (low) until about 1.200 hertz (soprano). Timbre If to touch certain note of a piano and if this same note (same frequency) will be emitted with the same intensity for a violin, we will be capable to distinguish one from the other, that is, we know to say which clearly the note that was emitted by the piano and which was emitted by the violin. We say then, that these notes have different timbres. Our ear is capable to distinguish from the sounds of same frequency and same intensity, since that the forms of the corresponding sonorous waves to these sounds are different.

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