UHJ means UD-4, Matrix H, 45J Stereo encoding system in
Electronics
Similar to UHJ
AA - Active Active
AA - Automatic Adjust
AA - Anti Aliasing
AA - Audio Animatronics
AAAC - All Aluminium Alloy Conductor
AACC - Audio Active Comparative Corrective
AACTS - Automated Accelerated Characterization Test Station
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