gofar99 Messages: 1950 Registered: May 2010 Location: Southern Arizona
Illuminati (5th Degree)
Hi, Four track tapes were normally for reel to reel recorders and had two going in each direction. Numbered from one edge (1-4) in one direction it would use 1,3 and 2,4 in the opposite. Many recorders required you to swap the reels at the end of the tape and run it in the opposite direction. Some of the best ones had auto reverse and eliminated this issue. Cassette tapes BTW are a variation of the 4 track system. There were some other variations. One such used all 4 tracks in one direction, not very common and performance was often compromised. A more common one in Pro audio was a three track. All three were in the same direction. Often used with a central mic for the performer and two wing side mics for either instruments, other performers or room ambiance. When finally mastered to stereo the center channel was mixed into the side ones.
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