Columbia's engineering department developed a process for emulating stereo from a mono source. They called this process "Electronically Rechanneled for Stereo". In the June 16, 1962, issue of Billboard magazine (page 5), Columbia announced it would issue "rechanneled" versions of greatest hits compilations that had been recorded in mono, including albums by Doris Day, Frankie Laine, Percy Faith, Mitch Miller, Marty Robbins, Dave Brubeck, Miles Davis, and Johnny Mathis.
Columbia's engineering department developed a process for emulating stereo from a mono source. They called this process "Electronically Rechanneled for Stereo". In the June 16, 1962 issue of Billboard magazine (page 5), Columbia announced it would issue "rechanneled" versions of greate,st hits compilations that had been recorded in mono, including albums by Doris Day, Frankie Laine, Percy Faith, Mitch Miller, Marty Robbins, Dave Brubeck, Miles Davis, and Johnny Mathis.