Subsets of noise are AC power-related hum and buzz, electronic crackling, vinyl record clicks and pops, between-station radio noises, tape modulation noise, and the triboelectric cable effect.

• 噪音可分为交流电源产生的嗡嗡声、电器开关弹开声、塑胶磁带咔哒声、台间无线电噪音、调制磁带时的噪音、摩擦电效应噪音等几个不同的组。