线性 预定 编码 is one of a family of analysis/resynthesis 技术 发展 in the search for 技术 for 语 encoding 传送 and 接受 and is still the most widely used 技能 for computer-generated 语 LPC 试图 to estimate the 频谱 of a 声波 in 术语 of the 滤器 coefficients which would be needed to 合成 that 声波 when applied to an 'excitation source' which may be either 噪 for unvoiced 声 or a band-limited 脉冲 波 in which all the 谐（泛音） are of 相等 振幅 In a 合成 应用（应用程序） both the excitation 波形 and the 滤器 coefficients can be 改 in both the 频率 and 时间 domains to 创作 相关 variants of the 原始/原创 声波 源 - Richard Dobson 1992 A 字典 of 电子 and 算機/计算机 樂/乐 技术 牛津 University Press