 It was chosen for the World Intellectual Property Organization Award in 2009.Inverse coding goes back to Victor Ambartsumian's scientific legacy on inverse problems and represents the first solution of its kind in audio by separating sound sources at the same frequency by a time-level model.S5 ("Scalable Sparse Spatial Sound System") is a scalable multichannel coding system, which may incorporate a wide range of base audio codecs, preferably with additional encapsulation capacity for external data, e.g.