These stereo recordings were released as mono records in 1954.
In 1955, Mercury began three-channel stereo recordings, still based on the principle of the single microphone.
A 540 Mbyte hard disk allowed approximately 47 minutes of stereo recording.
This, in effect, makes it a permanent part of the stereo recording.
Most listeners became familiar with him through the stereo recordings made in his last few years, when his health was declining.
In other words, when observing the audio frequencies only, the record appeared to have an ordinary stereo recording.
Stereo-4 decoders were sometimes used to produce pseudo 4-channel effects from 2-channel stereo recordings.
It does this by recovering the ambient sound from a stereo recording.
Recent home video releases feature some of the original stereo recordings.
It was one of the last major recording companies to adopt stereo recording, about 1960.
