“A recording is made on track A on tape recorder 1. The playback of this track played on tape recorder 2 is returned to track B on tape recorder 1 and is re-recorded, with the offset depending on the distance between the tape recorders. Then, the playback of track B on tape recorder 2 is returned to track A on tape recorder 1—this is the ‘reinjection.’ …… In reinjection, it’s preferabel that the base sound be recorded in advance; it’s already quite complicated controlling the recording and playback levels of the two reinjected tape recorders, especially for one person, and even for several. ”
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