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Double M/S Set Double MS Set 'MDMS'

  • complete set with three microphones and decoder M DMS for 5.0 surround
  • matrixing can be performed during or after recording
  • very small, lightweight array
  • can be well protected against wind (with “fur” Windjammer)
Double M/S Set Double MS Set 'MDMS'

”Double M/S” is an improved version of the well-known M/S stereo recording technique. In addition to a front-facing cardioid or supercardioid ”mid” microphone and a figure-8 ”side” microphone, a rear-facing directional microphone is set up. The front- and rear-facing microphones share the signal of the figure-8 microphone so as to form two complete, back-to-back M/S systems. One M/S system then provides the three front channels (the center channel signal being provided directly by the mid microphone of the front system), while the other system provides the two surround channels. An arrangement of this kind allows flexible processing of the stereo surround image width and post-production adjustment for both of the M/S pairs.

This complete set for Double M/S recordings entails the following:

  • 2 × CCM 4VL cardioid compact microphones (or a CCM 41VL supercardioid can be substituted for the forward-facing cardioid at a small increase in price)
  • 1 × CCM 8L figure-8 compact microphone
  • special shock mount for the three compact microphones
  • adapter cable from three Lemo plugs to one XLR-7 output
  • WSR DMS LU basket-type windscreen
  • WJ DMS ”Windjammer” windscreen cover
  • K DMS 5 U; 5-meter (16.5') XLR-7 extension cable
  • M DMS U matrix box

Double M/S with M DMS U matrix box
The SCHOEPS M DMS matrix is, in all respects, the simplest and most elegant way to obtain surround signals. It is a small, sturdy box with high-quality transformers forming a passive decoder matrix. Microphone signals are converted directly into 5.0 L / R / C / LS / RS surround signals. A second, switchable mode supplies four signals with no center-channel output.

The matrix parameters have been chosen so that the resulting signals correspond to an optimal arrangement (as shown at left) while avoiding unwanted artifacts. Both settings have the following characteristics:

  • minimal overlap (crosstalk)
  • optimal pickup balance in all directions
  • well-balanced 360° localization capability
  • optimal constancy of total levels across 360°
  • minimal pickup via the rear lobe (< -11 dB)

The SCHOEPS "Double M/S Tool" plug-in enables customized, intuitive decoding of the three signals of the Double M/S system.

Features and Application of the "Double MS Tool" are described here.

For each CCM-L microphone in this set, one SGC mounting clamp, one K 5 LU output cable and a standard wooden case is included.