If a conductor wishes to deafen his hearers with a supercolossal roll of the drums or double them up in agony with a high note from the violins, Bell Telephone Laboratories now offers him an opportunity by new "stereophonic" recordings, on motion-picture film, of "enhanced"' music. In stereophonic recording, sound is picked up by three microphones widely separated on the sound stage, to produce an illusion of tonal depth and space comparable to that of an actual performance. It may then be "enhanced" by a conductor, taking the stereophonic recording and fiddling with...
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