波塑形 is known by 几个 alternative names 包括 'non-linear distortion' and 'non-linear processing' Jean-Claude Risset is credited with the first 用 of the 技能 in 1969 though the 原则 技术 papers on the 技能 were published 独立 ten years later by Daniel Arfib James Beauchamp and Marc Lebrun

Recalling the 结构 of the 基础 波表 and assuming that it 包含 a 正弦 波 the regular increment of the instantaneous 相位 can be represented by a straight line This line is the 'transfer function' applied to the 波表 复杂 音色 修正 can be 创作 by simple 中项 and this 修正 can be made amplitude-sensitive and thus reflect the 行为 of acoustic instrumental 声 The 转移 功能（函数） can be drawn empirically or it can be calculated by mathematical formulae which give precise 控制 of the 谐（泛音） arising from the 波塑形 过程 源 - Richard Dobson 1992 A 字典 of 电子 and 算機/计算机 樂/乐 技术 牛津 University Press