What is UHJ?
The Ambisonic format recommended for recording and studio processing is called B-Format and is just the W, X, Y and Z direction signals. If only horizontal surround sound is required, then the Z signal can be omitted. However, this destroys the possibility of periphonic (full-sphere) reproduction. Established transmission media (LP, FM radio, CD) are all two-channel and, unfortunately, it is impossible to obtain reasonable surround sound using only two of the B-Format signals. To overcome this, two-channel UHJ matrix encoding was developed. Not only can two-channel UHJ be decoded back into horizontal surround sound, but also this C-Format is mono and stereo compatible. When two-channel UHJ is played in stereo, the front- and side-stage material is reproduced with sharply defined images. The rear-stage material is reproduced, but given a less focused, more “recessed” quality. This helps to provide an audible distinction between front and rear sounds when played in stereo. When two-chann
=============== The Ambisonic format recommended for recording and studio processing is called B-Format and is just the W, X, Y and Z direction signals. If only horizontal surround sound is required, then the Z signal can be omitted. However, this destroys the possibility of periphonic (full-sphere) reproduction. Established transmission media (LP, FM radio, CD) are all two-channel and, unfortunately, it is impossible to obtain reasonable surround sound using only two of the B-Format signals. To overcome this, two-channel UHJ matrix encoding was developed. Not only can two-channel UHJ be decoded back into horizontal surround sound, but also this C-Format is mono and stereo compatible. When two-channel UHJ is played in stereo, the front- and side-stage material is reproduced with sharply defined images. The rear-stage material is reproduced, but given a less focused, more “recessed” quality. This helps to provide an audible distinction between front and rear sounds when played in stereo
