Definition of Ultra Stereo
Ultra Stereo, stylized as ULTRA★STEREO, is a cinema sound system that was developed in 1984 by chief engineer Jack Cashin.
It was a 4/2/4 photographic sound encoding and decoding procedure compatible with (and using the same technical basic structure, with identical sound quality as) its competitor Dolby Stereo matrix.
Terms mentioned above
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What is Ultra Stereo?
Ultra Stereo, stylized as ULTRA★STEREO, is a cinema sound system that was developed in 1984 by chief engineer Jack Cashin.