Apple Logic Express 7 - Manual (Page 49)

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Delay
This chapter describes Logic’s delay effects.
This includes the Sample Delay, Tape Delay, and Stereo Delay plug-ins.
Sample Delay
This plug-in allows the simple delaying of a channel by single sample values. The stereo
version of the plug-in provides separate controls for each channel. This plug-in (when
used in conjunction with the phase inversion capabilities of the Gain plug-in) is
particularly suited to the correction of run-time problems that may occur with multi-
channel microphones.
Every sample (at a frequency of 44.1 kHz) is equivalent to the time taken for a sound
wave to travel 7.76 millimeters. Looked at differently: If you delay one channel of a
stereo microphone by 13 samples, this will emulate an acoustic (microphone)
separation of 10 centimeters.