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童声往往有清脆、明亮、富有稚气、音量不大、男女音色相似的特征。随着年岁的增大,生理也逐步在变化,声带、喉头、各共鸣腔体等发声器官也有所改变。所以在音色、音质、音量、音高、音强、音域等方面均有明显变异。一般来说,4—6岁的儿童,声音单薄,音域狭窄(七度左右),7—11岁的儿童,声音较清脆明亮,气息能力有所增强,音域大约十度,嗓音条件好的,音域可达12度左右。由于他们的声带薄、频率高,在合唱中往往能和女高音一起担任主旋律音部。可是12—15岁的儿童,也就是高小
Children often have crisp, bright, full of childlike, volume is not large, men and women similar tone features. As age increases, the physiology is also gradually changing, vocal cords, larynx, the resonance cavity and other vocal organs have also changed. So in the tone, sound quality, volume, pitch, sound intensity, range and other aspects of significant variation. In general, 4-6-year-old children, thin sound, narrow range (about seven degrees), 7-11-year-old children, the sound crisp and bright, breath ability has been enhanced, the range of about ten degrees, good vocal conditions, Sound range up to 12 degrees. Because of their thin vocal frequency and high frequency, they often serve as key melodies with soprano in chorus. However, children aged 12-15, that is, tall and small