Because of editing, balancing and other operations, magnetic recordings ultimately released by major studios may be many generations separated from the original recordings. Irregularities in transient response have not been commonly specified performance criteria in magnetic recorders. Nevertheless, these may detrimentally affect a multiple generation recording. In this paper the generation of phase distortion is explained in detail and solid state compensation techniques are analyzed. Examples of circuitry, waveform performance and test procedures are presented.
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