Passive matrix for Double M/S MDMS U
Our investigations also considered other ways to optimize the functioning of the double M/S sets in concert halls and other typical settings in which surround recordings must maintain a fundamental front-back distinction. For example, delaying the surround-channel signals can improve the perception of spaciousness and avoid localization errors throughout a wider listening area. As a further measure to improve the spatial impression, the double M/S array can be augmented with more distantly-placed room microphones.
Phantom powering is required on only three of the inputs to which the M DMS is connected.
Note: The coefficients of the M DMS have been set for use with a front-facing SCHOEPS cardioid microphone. Unfortunately, the supercardioid or shotgun alternatives of the other Double M/S sets would not produce suitable results with this arrangement.
If the microphone signals are to be recorded directly and processed only later, an optional XLR-7 to 3 × XLR-3 adapter cable (model AK DMS/3U) can be used in place of the splitter box.
Similarly, the AK 3U DMS adapter cable (3 x XLR-3F to XLR-7M) is available so that the splitter box or matrix can be positioned at the far end of a multi-core extension cable.