Warner Bros. Records issued the soundtrack album in both stereophonic and monaural versions. This began a practice of simultaneously recording orchestras with both stereophonic and monaural equipment. Alan Blumlein carried out his research into binaural sound and stereophonic gramophone recording here. A stereo microphone integrates two microphones in one unit to produce a stereophonic signal. This early form of stereophonic reception was called simulcast stereo. You gotta have glorious Technicolor/ Breathtaking CinemaScope and stereophonic sound. Engineers make a technical distinction between "binaural" and "stereophonic" recording. Some classical recordings were issued in high fidelity and stereophonic sound. This timing coincided with the launch of the stereophonic phonograph record. All songs recorded in stereophonic sound. Early American 2-track stereophonic tapes were very expensive. He was the first artist to incorporate stereophonic phasing effects in rock music recordings. He was the first musician to use stereophonic phasing effects in recordings. Vocal phrases were repeated and subjected to multiple echoes, panned across the stereophonic sound outlets. This was introduced in 1952 with Cinerama, holding six tracks of stereophonic sound.