This 术语 is 不 only the German 相当于 of 电子 音乐 it was the 起始 术语 used from 1949 originally by Werner Meyer-Eppler throughout the 1950s for 音乐 that was made a German 无线电 广播 facilities originally at the NWDR in Cologne All 声音 were 电子手段 生成 thus 不 involving any acoustic 录音 or acoustic or 电子 乐器 This 术语 when used outside of the German 语言 提及 to these early years and the 种类 of formalised 音乐 基于 on the 排序 of 音乐 参数 that was made by early pioneers 包括 Herbert Eimert 德国电子 音乐 was the polar opposite of 音乐 具体