There records are a Hybrid Multichannel Super Audio CD. It means it contains three complete sets of musical recording on two layers: CD Audio and SACD. The CD Audio layer is accessible for those who have a standard CD player and two speakers-it is a stereo recording. The SACD layer is accessible to those who have a SACD player. This layer contains two sets of this recording: a two channel stereo and a multichannel 5.0. To listen to the multichannel recording a set of five speakes is necessary.
The music was recorded, edited and mixed in HD PCM format and later converted to DSD format as SACD.