A 形(曲)式 of 信号 处理 which enables the 音色 of one 信号 to be 改 by that of another The 原始/原创 声码器 the 词 is 派生 from 'voice coder' was 发展 in 1936 at Bell Laboratories by Homer Dudley as a 方法 for encoding and thus reducing the 频带宽度(带宽) of 语 信号 The 术语 'bandwidth' here signifies the amount of 信息 either in a 信号 or which can be carried by a communications 通道 The classic 樂/乐 应用(应用程序) of the 声码器 is to impose the 共振峰 特征 of the voice on some other 信号 也许 from a 合成器 源 - Richard Dobson 1992 A 字典 of 电子 and 算機/计算机 樂/乐 技术 牛津 University Press