delay lines (1)

One of the most important sound-processing techniques employed by amateur and professional musicians as well as sound recording studios is the electronic delay line. Reverberation, echo, vibrato, phasing, flanging and chorus are just a few of the special effects which can be obtained by delaying an audio signal. However the applications of delay units are not restricted to audio effects; sound reinforcement systems, level control equipment, speech processors all employ delay lines in one form or another. The following article takes a close look at the `ins and outs` of this device, and examines some of the less well-known uses to which it is put.