This 术语 提及 to the manner in which the 可能 vertical 范围（排列） of 人类 听觉 is characterised through the occupancy and 演变 of the 频率 content of 声波

The 概念 is key to Spectromorphological 理论 and the 作曲家 and writer Denis Smalley introduces extremely detailed descriptive termninology in 频谱形态 Explaining Sound-shapes Organised 声波 Vol 2 No 2 Cambridge Cambridge University Press 1997

It should be noted that it is difficult to separate this 概念 from the 感知 of 音高 harmonicity 音色 声波 品质 and 运动