A 共振峰 is a 峰 of 频率 in the 频谱 of a 声音 which may be 联合 with a 共鸣 in the mechanism of the 制作 of the 声音 Vowel 声音 may possess more than one 共振峰 in different part of the 频谱 The 术语 may also be used in 关系 to 音乐 乐器 J Borwick quoted in Rodolfo Caesar 1992 The 作曲 of 电子声学 音乐 PhD Thesis University of East Anglia