What people are saying

• Marshall Day Software is like having an acoustic laboratory in the palm of your hand.

  Associate Professor Yan Xiang, Tsinghua University

• I regard the acoustic designs of Marshall Day Acoustics to be amongst the finest and probably the most innovative in the world.

  Dr Anders Gade, Technical University of Denmark

• The success of a musical performance depends on the sense of proximity of performer to listener. This sense is mediated largely by the directional properties of the reflected sound field.

  Sir Harold Marshall